def pull(repo: pygit2.Repository, remote_name: str = 'origin'):
"""
Pull
:param repo: the repository to pull
:param remote_name: name of the remote
:return:
"""
for remote in repo.remotes:
if remote.name == remote_name:
remote.fetch()
remote_master_id = repo.lookup_reference('refs/remotes/origin/master').target
merge_result, _ = repo.merge_analysis(remote_master_id)
# Up to date, do nothing
if merge_result & pygit2.GIT_MERGE_ANALYSIS_UP_TO_DATE:
return
# We can just fastforward
elif merge_result & pygit2.GIT_MERGE_ANALYSIS_FASTFORWARD:
repo.checkout_tree(repo.get(remote_master_id))
master_ref = repo.lookup_reference('refs/heads/master')
master_ref.set_target(remote_master_id)
repo.head.set_target(remote_master_id)
elif merge_result & pygit2.GIT_MERGE_ANALYSIS_NORMAL:
repo.merge(remote_master_id)
print(repo.index.conflicts)
assert repo.index.conflicts is None, 'Conflicts, ahhhh!'
user = repo.default_signature
tree = repo.index.write_tree()
repo.create_commit('HEAD', user, user, 'Merge!', tree, [repo.head.target, remote_master_id])
repo.state_cleanup()
else:
raise AssertionError('Unknown merge analysis result')
def git_is_clean(srcdir, project):
repo = Repository(os.path.join(srcdir, project.workspace_path, ".git"))
for _, b in iteritems(repo.status()):
if b != GIT_STATUS_IGNORED and b != GIT_STATUS_CURRENT:
return False, "has uncommitted changes"
if repo.head_is_detached:
return False, "has detached HEAD"
origin = get_origin(repo, project)
if not origin:
return False, "has no upstream remote"
remote_refs = []
local_refs = {}
for refname in repo.listall_references():
if refname.startswith("refs/remotes/%s/" % origin.name):
ref = repo.lookup_reference(refname)
if ref.type == GIT_REF_OID:
remote_refs.append(ref.target)
elif not refname.startswith("refs/remotes/"):
ref = repo.lookup_reference(refname)
if ref.type == GIT_REF_OID:
local_refs[ref.peel().id] = refname
if not remote_refs:
return False, "has no upstream remote branches"
if not local_refs:
return False, "has no local branches"
if not repo.lookup_branch("%s/%s" % (origin.name, project.master_branch), GIT_BRANCH_REMOTE):
return False, "has no upstream master branch"
for remote_ref in remote_refs:
for commit in repo.walk(remote_ref):
if commit.id in local_refs:
del local_refs[commit.id]
if local_refs:
return False, "has local commits: %s" % ", ".join(["'%s'" % name for _, name in iteritems(local_refs)])
return True, ""
def pull_repo(repo_path: Path):
"""Update a repository at repo_path by pulling from the remote named origin."""
repo = Repository(repo_path)
remote = repo.remotes['origin']
remote.fetch()
master_id = repo.lookup_reference('refs/remotes/origin/master').target
merge_result, _ = repo.merge_analysis(master_id)
if merge_result & GIT_MERGE_ANALYSIS_UP_TO_DATE:
return
if merge_result & GIT_MERGE_ANALYSIS_FASTFORWARD:
repo.checkout_tree(repo.get(master_id))
master_ref = repo.lookup_reference('refs/heads/master')
master_ref.set_target(master_id)
repo.head.set_target(master_id)
elif merge_result & GIT_MERGE_ANALYSIS_NORMAL:
repo.merge(master_id)
assert repo.index.conflicts is None, \
'Merge conflicts, please manually fix'
tree = repo.index.write_tree()
repo.create_commit('refs/heads/master', SIGNATURE, SIGNATURE,
'[build-server]: Merge', tree,
[repo.head.target, master_id])
repo.state_cleanup()
def launch(self):
# init repo
self._info('Locating the repository..')
try:
repo = Repository(REPO_PATH)
except GitError:
self._error('Failed to locate the repository!')
return
# fetch
self._info('Fetching repository..')
try:
repo.remotes['origin'].fetch()
except GitError:
self._error('Failed to fetch the repository!')
# reset repository
self._info('Resetting the repository..')
try:
repo.reset(
repo.lookup_reference('refs/remotes/origin/master').target, GIT_RESET_HARD)
except GitError:
self._error('Failed to reset the repository!')
# launch
self._info('Launching..')
try:
subprocess.Popen(EXE_PATH, cwd=EXE_WORKDIR)
except OSError:
self._error('Failed to launch!')
else:
self.destroy()
def sync_handler(fork_from: str, from_sha: str, repo_name: str,
ticket_id: int, pr_url: str):
output_path = '{}.txt'.format(pr_url.split('/', 3)[3].rsplit('/', 2)[0])
output_path = os.path.join(WORK_DIR, output_path.replace('/', '_'))
work_tree = os.path.join(WORK_DIR, fork_from)
parent_path = os.path.dirname(work_tree)
if not os.path.exists(parent_path):
os.makedirs(parent_path)
if not os.path.exists(work_tree):
repo = clone_repository(
'{0}{1}.git'.format(GITHUB_URL, fork_from), work_tree)
else:
repo = Repository(work_tree)
remote_name = repo_name.split('/')[0]
update_remote(work_tree, repo, repo_name, remote_name)
if remote_name == 'origin':
commit = repo.revparse_single(from_sha)
repo.checkout_tree(commit, strategy=GIT_CHECKOUT_FORCE)
else:
ref_name = 'refs/pull/{0}/head'.format(ticket_id)
try:
repo.create_reference(ref_name, from_sha)
except ValueError:
pass
ref = repo.lookup_reference(ref_name)
repo.checkout(ref, strategy=GIT_CHECKOUT_FORCE)
cwd = os.getcwd()
os.chdir(work_tree)
subprocess.call(
'{} . --output-file={}'.format(FLAKE8_EXECUTABLE, output_path),
shell=True)
os.chdir(cwd)
return output_path
def init_repo(repo_path, clone_from=None, clone_refs=False,
alternate_repo_paths=None, is_bare=True):
"""Initialise a new git repository or clone from existing."""
assert is_valid_new_path(repo_path)
init_repository(repo_path, is_bare)
if clone_from:
# The clone_from's objects and refs are in fact cloned into a
# subordinate tree that's then set as an alternate for the real
# repo. This lets git-receive-pack expose available commits as
# extra haves without polluting refs in the real repo.
sub_path = os.path.join(repo_path, 'turnip-subordinate')
clone_repository(clone_from, sub_path, True)
assert is_bare
alt_path = os.path.join(repo_path, 'objects/info/alternates')
with open(alt_path, 'w') as f:
f.write('../turnip-subordinate/objects\n')
if clone_refs:
# With the objects all accessible via the subordinate, we
# can just copy all refs from the origin. Unlike
# pygit2.clone_repository, this won't set up a remote.
# TODO: Filter out internal (eg. MP) refs.
from_repo = Repository(clone_from)
to_repo = Repository(repo_path)
for ref in from_repo.listall_references():
to_repo.create_reference(
ref, from_repo.lookup_reference(ref).target)
if alternate_repo_paths:
write_alternates(repo_path, alternate_repo_paths)
ensure_config(repo_path) # set repository configuration defaults
return repo_path
def get_current_branch(path_to_repository):
"""Utility method for getting the current branch from a Git repository.
Args:
path_to_repository (str): Path to the Git repository
Returns:
str: The current branch in the provided repository.
"""
repo = Repository(path_to_repository)
head = repo.lookup_reference("HEAD").resolve()
return head.shorthand
class Git(object):
r"""
Interact with a git repository.
"""
def __init__(self, gitdir):
r"""
Take a path to the git repository. Other methods interact with
this git repository.
"""
self.repo = Repository(gitdir)
def branches(self):
r"""
Return the list of a branch name and its last commit id.
"""
return self._refs('heads')
def tags(self):
r"""
Return the list of a tag name and its last commit id.
"""
return self._refs('tags')
def _refs(self, type):
refs = {}
pattern = re.compile(r'refs/%s/(.*)$' % type)
for ref in self.repo.listall_references():
m = pattern.match(ref)
if m:
reference = self.repo.lookup_reference(ref)
refs[m.group(1)] = reference.hex
return refs
def create_branch(self, name, target):
r"""
Create new branch.
"""
if not is_valid_value(name):
raise InvalidParamException("name is required")
if not is_valid_hex(target):
raise InvalidParamException("target is required")
target = sha_hex2bin(target)
try:
self.repo.create_reference('refs/heads/%s' % name, target)
except Exception, e:
raise InvalidParamException(str(e))
return True
def shift(amount, repo_path):
repo = Repository(repo_path)
head = repo.lookup_reference('HEAD').resolve()
adder = partial(add, amount=amount)
changelog = dict()
reference = REF_FMT.format(time=time(), pid=getpid())
for commit in repo.walk(head.oid, GIT_SORT_REVERSE | GIT_SORT_TOPOLOGICAL):
newmsg, nsubs = ISSUE_RE.subn(adder, commit.message)
if nsubs != 0 or any(pnt.oid in changelog for pnt in commit.parents):
parents = [changelog.get(c.oid, c.oid) for c in commit.parents]
new_oid = repo.create_commit(reference, commit.author,
commit.committer, newmsg, commit.tree.oid, parents)
changelog[commit.oid] = new_oid
return changelog, reference
def merge(dir, reference, msg):
repo = Repository(dir)
reference = "refs/heads/" + reference
print reference
other_branch_ref = repo.lookup_reference(reference)
other_branch_tip = other_branch_ref.target
# repo.merge(other_branch_tip)
print('merge complete!')
user = repo.default_signature
tree = repo.index.write_tree()
message = msg
new_commit = repo.create_commit('HEAD', user, user, message, tree,
[repo.head.target, other_branch_tip])
print(new_commit)
def git_is_clean(srcdir, project):
repo = Repository(os.path.join(srcdir, project.workspace_path, ".git"))
for _, b in iteritems(repo.status()):
if b != GIT_STATUS_IGNORED and b != GIT_STATUS_CURRENT:
return False, "has uncommitted changes"
if repo.head_is_detached:
return False, "has detached HEAD"
origin = get_origin(repo, project)
if not origin:
return False, "has no upstream remote"
remote_refs = []
local_refs = {}
for refname in repo.listall_references():
if refname.startswith("refs/remotes/%s/" % origin.name):
ref = repo.lookup_reference(refname)
if ref.type == GIT_REF_OID:
remote_refs.append(ref.target)
elif not refname.startswith("refs/remotes/"):
ref = repo.lookup_reference(refname)
if ref.type == GIT_REF_OID:
local_refs[ref.peel().id] = refname
if not remote_refs:
return False, "has no upstream remote branches"
if not local_refs:
return False, "has no local branches"
if not repo.lookup_branch("%s/%s" % (origin.name, project.master_branch),
GIT_BRANCH_REMOTE):
return False, "has no upstream master branch"
for remote_ref in remote_refs:
for commit in repo.walk(remote_ref):
if commit.id in local_refs:
del local_refs[commit.id]
if local_refs:
return False, "has local commits: %s" % ", ".join(
["'%s'" % name for _, name in iteritems(local_refs)])
return True, ""
class Repo:
def __init__(self, config):
self.repo = Repository(config.repository_path)
self.config = config
self.lock = threading.Lock()
master_ref = self.repo.lookup_reference("refs/heads/master")
self.repo.checkout(master_ref)
self.cred = MyRemoteCallback(config)
def lock_patch_work(self, id):
self.lock.acquire(True)
try:
#first lets update master
self.repo.remotes[self.config.repository_patch_origin].fetch()
#get the latest master
master_ref = self.repo.branches.remote[
self.config.repository_patch_origin + '/master']
#In case the branch exists, delete it
if id in self.repo.branches:
self.repo.branches.delete(id)
#create a new branch
local = self.repo.branches.local.create(id, master_ref.peel())
#finally switch over
self.repo.checkout(local)
except Exception as e:
self.lock.release()
raise e
def unlock_patch_work(self, id):
try:
self.repo.remotes[self.config.repository_patch_destination].push(
["+refs/heads/" + id], callbacks=self.cred)
master_ref = self.repo.branches.remote[
self.config.repository_patch_origin + '/master']
self.repo.checkout(master_ref)
finally:
self.lock.release()
def dispatch(self, id):
#FIXME also delete on the remote
self.repo.branches.delete(id)
def fetch_commit_message(self, chash):
obj = self.repo.get(chash)
return obj.message
def _fast_forward(self, local_path, merge_target, branch):
# fast-forward all the branches.
# pygit2 repo
repo = Repository(discover_repository(local_path))
# convert merge_target from hex into oid.
fetch_head = repo.revparse_single(merge_target)
# try to resolve a common anscestor between fetched and local
try:
head = repo.revparse_single(branch)
except KeyError:
# Doesn't exist. Create and done.
repo.create_reference(branch, fetch_head.oid)
return True, 'Created new branch: %s' % branch
if head.oid == fetch_head.oid:
return True, 'Source and target are identical.'
# raises KeyError if no merge bases found.
common_oid = repo.merge_base(head.oid, fetch_head.oid)
# Three different outcomes between the remaining cases.
if common_oid.hex not in (head.oid.hex, fetch_head.oid.hex):
# common ancestor is beyond both of these, not going to
# attempt a merge here and will assume this:
return False, 'Branch will diverge.'
elif common_oid.hex == fetch_head.oid.hex:
# Remote is also the common ancestor, so nothing to do.
return True, 'No new changes found.'
# This case remains: common_oid.hex == head.oid.hex, meaning
# this local repository is the ancestor of further changes
# fetched from the remote - remote newer, so fast-forward.
ref = repo.lookup_reference(branch)
ref.delete()
repo.create_reference(branch, fetch_head.oid)
return True, 'Fast-forwarded branch: %s' % branch
class Project1Test(unittest.TestCase):
def __init__(self, test_name, grader):
super(Project1Test, self).__init__(test_name)
self.grader = grader
# setUpClass doesn't work!?
def setUp(self):
self.out_string = ""
self.repo = REPO_TEMPLATE % self.grader.andrewid
os.chdir(self.grader.tmp_dir)
try:
self.tearDown()
except:
pass
self.git_clone(self.grader.root_repo)
os.chdir(self.repo)
self.repository = Repository('.git')
commit = self.resolve_tag()
self.git_checkout(commit.hex)
self.ran = False
self.port = random.randint(1025, 9999)
self.tls_port = random.randint(1025, 9999)
print '\nUsing ports: %d,%d' % (self.port, self.tls_port)
def pAssertEqual(self, arg1, arg2):
try:
self.assertEqual(arg1, arg2)
except Exception as e:
self.print_str(traceback.format_stack()[-2])
raise e
def pAssertTrue(self, test):
try:
self.assertTrue(test)
except Exception as e:
self.print_str(traceback.format_stack()[-2])
raise e
def print_str(self, prt_str):
print(prt_str)
self.out_string += ("\n" + prt_str)
def edit_notes(self, new_note):
notef = self.grader.notes
try:
check_both('cat %s' % (notef), False)
new_note = '\n'+new_note
except:
pass
check_both('echo "%s\nGood." >> %s' % (new_note, notef), False)
check_both('%s %s' % (self.grader.editor,notef))
def confirm(self):
print '-----------------------------------------------'
test = raw_input('OK [y/n]? ').lower() in ['y','']
self.pAssertTrue(test)
def change_cgi(self, new_path):
self.grader.cgi = new_path
def liso_name(self):
name = './lisod'
# text = raw_input('liso name? ').strip()
# if text: name = text
self.liso_name = name
return name
def get_path(self):
path = None
# text = raw_input('path? ').strip()
# if text: path = text
return path
def get_port(self):
port = self.port
# text = raw_input('port? ').strip()
# if text: port = int(text)
self.port = port
print port
return port
def get_tls_port(self):
tls_port = self.tls_port
# text = raw_input('tls_port? ').strip()
# if text: tls_port = int(text)
self.tls_port = tls_port
print tls_port
return tls_port
def find_path(self, name, tree, path='./', d=0):
if d == 15: return None
name = name.lower().strip()
# bredth first...?
for entry in tree:
if entry.name.lower().strip() == name:
return path
# now check depth...?
entries = [e for e in tree]
for entry in reversed(entries):
obj = self.repository[entry.oid]
if isinstance(obj, Tree):
obj = self.find_path(name, obj, os.path.join(path, entry.name), d+1)
if obj:
return obj
return None
def find_file(self, name, tree, d=0):
if d == 15: return None
name = name.lower().strip()
# bredth first...?
for entry in tree:
if entry.name.lower().strip() == name:
resolved = self.repository[entry.oid]
if not isinstance(resolved, Blob):
continue
return resolved
# now check depth...?
entries = [e for e in tree]
for entry in reversed(entries):
obj = self.repository[entry.oid]
if isinstance(obj, Tree):
obj = self.find_file(name, obj, d+1)
if obj:
return obj
return None
def run_lisod(self, tree):
path = self.get_path()
liso = self.liso_name()
port = self.get_port()
tls_port = self.get_tls_port()
if not path: path = self.find_path('Makefile', tree)
print 'switching to: %s' % path
os.chdir(path)
check_both('make clean', False, False)
check_output('make')
self.ran = True
resource.setrlimit(resource.RLIMIT_STACK, (resource.RLIM_INFINITY, resource.RLIM_INFINITY))
cmd = '%s %d %d %slisod.log %slisod.lock %s %s %s %s&' % (liso, port, tls_port, self.grader.tmp_dir, self.grader.tmp_dir, self.grader.www[:-1], self.grader.cgi, self.grader.priv_key, self.grader.cert)
#cmd = 'nohup ' + cmd
#cmd = cmd + " > /dev/null"
print cmd
self.pAssertEqual(0, os.system(cmd))
return liso
def git_clone(self, repourl):
with open('/dev/null', 'w') as f:
self.pAssertEqual(0, check_call(['git','clone', repourl], stderr=f,
stdout=f))
def git_checkout(self, commit_hex):
with open('/dev/null', 'w') as f:
self.pAssertEqual(0,
check_call(['git','checkout','%s' % commit_hex],
stdout=f, stderr=f))
def resolve_tag(self):
try:
tag = self.repository.lookup_reference('refs/tags/checkpoint-%d' % self.grader.cp_num)
except KeyError:
try:
tag = self.repository.lookup_reference('refs/tags/checkpoint_%d' % self.grader.cp_num)
except KeyError:
tag = self.repository.lookup_reference('refs/tags/checkpoint%d' % self.grader.cp_num)
#tag = self.repository.lookup_reference('refs/tags/regrade')
commit = self.repository[tag.target]
while isinstance(commit, Tag): commit = self.repository[commit.target]
return commit
def check_headers(self, response_type, headers, length_content, ext):
self.pAssertEqual(headers['Server'].lower(), 'liso/1.0')
try:
datetime.datetime.strptime(headers['Date'], '%a, %d %b %Y %H:%M:%S %Z')
except KeyError:
self.print_str('Bad Date header')
except:
self.print_str('Bad Date header: %s' % (headers['Date']))
self.pAssertEqual(int(headers['Content-Length']), length_content)
#self.pAssertEqual(headers['Connection'].lower(), 'close')
if response_type == 'GET' or response_type == 'HEAD':
header_set = set(['connection', 'content-length',
'date', 'last-modified',
'server', 'content-type'])
self.pAssertEqual(set(), header_set - set(headers.keys()))
if headers['Content-Type'].lower() != MIME[ext]:
self.print_str('MIME got %s expected %s' % (headers['Content-Type'].lower(), MIME[ext]))
self.pAssertTrue(headers['Content-Type'].lower() == MIME[ext] or
headers['Content-Type'].lower() == MIME['.html'])
try:
datetime.datetime.strptime(headers['Last-Modified'], '%a, %d %b %Y %H:%M:%S %Z')
except:
self.print_str('Bad Last-Modified header: %s' % (headers['Last-Modified']))
elif response_type == 'POST':
header_set = set(['connection', 'content-length',
'date', 'server'])
self.pAssertEqual(set(), header_set - set(headers.keys()))
else:
self.fail('Unsupported Response Type...')
# test existence of tag in repo
def test_tag_checkpoint(self):
self.print_str('\n\n----- Testing Tag -----')
self.repository.lookup_reference('refs/tags/checkpoint-%d' % self.grader.cp_num)
# test turn in timestamp
def test_timestamp(self):
self.print_str('\n\n----- Testing Timestamp -----')
commit = self.resolve_tag()
self.print_str('ref/tags/checkpoint-%d: %s' % (self.grader.cp_num, commit.hex))
self.print_str('Due: %s' % self.grader.due_date)
utctime = datetime.datetime.utcfromtimestamp(commit.commit_time)
utcoffset = datetime.timedelta(minutes=commit.commit_time_offset)
timestamp = utctime + utcoffset
self.print_str('Timestamp: %s' % timestamp)
timediff = timestamp - self.grader.due_date
if timediff.days >= 0 and\
timediff.seconds > 0 or\
timediff.microseconds > 0:
raise ValueError
# test readme.txt file up to snuff
def test_readme_file(self):
self.print_str('\n\n----- Testing readme.txt file -----')
commit = self.resolve_tag()
tree = commit.tree
print '\n----- readme.txt -----'
readme = self.find_file('readme.txt', tree)
print readme.data,
self.confirm()
self.edit_notes('README:')
# test vulnerabilities.txt up to snuff
def test_vulnerabilities_file(self):
self.print_str('\n\n----- Testing vulnerabilities.txt file -----')
commit = self.resolve_tag()
tree = commit.tree
print '\n----- vulnerabilities.txt -----'
vulnerable = self.find_file('vulnerabilities.txt', tree)
print vulnerable.data,
self.confirm()
self.edit_notes('VULNERABILITIES:')
# test tests.txt up to snuff
def test_tests_file(self):
self.print_str('\n\n----- Testing tests.txt file -----')
commit = self.resolve_tag()
tree = commit.tree
print '\n----- tests.txt -----'
tests = self.find_file('tests.txt', tree)
print tests.data,
self.confirm()
self.edit_notes('TESTS:')
# test Makefile up to snuff
def test_Makefile_file(self):
self.print_str('\n\n----- Testing Makefile file -----')
commit = self.resolve_tag()
tree = commit.tree
print '\n----- Makefile -----'
Makefile = self.find_file('Makefile', tree)
print Makefile.data,
self.confirm()
self.edit_notes('MAKEFILE:')
# test if source up to snuff
def test_inspect_source(self):
self.print_str('\n\n----- Inspect Source cod *.[c|h] -----')
self.print_str(self.grader.source_reminder)
self.pAssertEqual(0, check_call(['bash']))
self.confirm()
self.edit_notes('SOURCE:')
# tests if make properly creates lisod...
def test_lisod_file(self):
self.print_str('\n\n----- Testing make -----')
commit = self.resolve_tag()
path = self.get_path()
if not path: path = self.find_path('Makefile', commit.tree)
os.chdir(path)
check_output('make')
self.pAssertTrue(os.path.exists('./lisod'))
# send all test files to their server
# get output, give 3 second timeout
# check sha's of output
def test_replays(self):
self.print_str('\n\n----- Testing Replays -----')
commit = self.resolve_tag()
self.run_lisod(commit.tree)
time.sleep(3)
replays_dir = os.path.join(self.grader.tmp_dir, 'replays')
if not os.path.exists(replays_dir):
os.makedirs(replays_dir)
files = os.listdir(replays_dir)
num_passed = 0
num_files = 0
for fname in files:
basename, extension = os.path.splitext(fname)
if extension == '.test':
num_files += 1
self.print_str('testing %s...' % fname)
fname = os.path.join(self.grader.tmp_dir + 'replays', fname)
outfile = os.path.join(self.grader.tmp_dir + 'replays', '%s_%s.out' % (basename, self.repo))
command = 'ncat -i 1s localhost %d < %s > %s' % (self.port, fname, outfile)
check_both(command, False, False)
with open(os.path.join(self.grader.tmp_dir + 'replays', basename+'.out')) as f:
with open(outfile) as f2:
outhash = hashlib.sha256(f.read()).hexdigest()
out2hash = hashlib.sha256(f2.read()).hexdigest()
if outhash == out2hash:
self.print_str('ok')
num_passed += 1
else:
self.print_str('failed')
check_both('rm %s' % outfile)
self.print_str('passed %d of %d' % (num_passed, num_files))
self.pAssertEqual(num_passed,num_files)
def test_HEAD_headers(self):
self.print_str('----- Testing Headers -----')
tests = {
'http://127.0.0.1:%d/index.html' :
('f5cacdcb48b7d85ff48da4653f8bf8a7c94fb8fb43407a8e82322302ab13becd', 802),
'http://127.0.0.1:%d/images/liso_header.png' :
('abf1a740b8951ae46212eb0b61a20c403c92b45ed447fe1143264c637c2e0786', 17431),
'http://127.0.0.1:%d/style.css' :
('575150c0258a3016223dd99bd46e203a820eef4f6f5486f7789eb7076e46736a', 301)
}
commit = self.resolve_tag()
self.git_checkout(commit.hex)
name = self.run_lisod(commit.tree)
time.sleep(1)
for test in tests:
root,ext = os.path.splitext(test)
response = requests.head(test % self.port, timeout=10.0)
self.check_headers(response.request.method,
response.headers,
tests[test][1],
ext)
def test_HEAD(self):
self.print_str('----- Testing HEAD -----')
tests = {
'http://127.0.0.1:%d/index.html' :
('f5cacdcb48b7d85ff48da4653f8bf8a7c94fb8fb43407a8e82322302ab13becd', 802),
'http://127.0.0.1:%d/images/liso_header.png' :
('abf1a740b8951ae46212eb0b61a20c403c92b45ed447fe1143264c637c2e0786', 17431),
'http://127.0.0.1:%d/style.css' :
('575150c0258a3016223dd99bd46e203a820eef4f6f5486f7789eb7076e46736a', 301)
}
commit = self.resolve_tag()
self.git_checkout(commit.hex)
name = self.run_lisod(commit.tree)
time.sleep(1)
for test in tests:
root,ext = os.path.splitext(test)
response = requests.head(test % self.port, timeout=10.0)
contenthash = hashlib.sha256(response.content).hexdigest()
self.pAssertEqual(200, response.status_code)
def test_GET(self):
self.print_str('----- Testing GET -----')
tests = {
'http://127.0.0.1:%d/index.html' :
'f5cacdcb48b7d85ff48da4653f8bf8a7c94fb8fb43407a8e82322302ab13becd',
'http://127.0.0.1:%d/images/liso_header.png' :
'abf1a740b8951ae46212eb0b61a20c403c92b45ed447fe1143264c637c2e0786',
'http://127.0.0.1:%d/style.css' :
'575150c0258a3016223dd99bd46e203a820eef4f6f5486f7789eb7076e46736a'
}
commit = self.resolve_tag()
self.git_checkout(commit.hex)
name = self.run_lisod(commit.tree)
time.sleep(1)
for test in tests:
root,ext = os.path.splitext(test)
response = requests.get(test % self.port, timeout=10.0)
contenthash = hashlib.sha256(response.content).hexdigest()
self.pAssertEqual(200, response.status_code)
self.pAssertEqual(contenthash, tests[test])
def test_POST(self):
self.print_str('----- Testing POST -----')
tests = {
'http://127.0.0.1:%d/index.html' :
'f5cacdcb48b7d85ff48da4653f8bf8a7c94fb8fb43407a8e82322302ab13becd',
}
commit = self.resolve_tag()
self.git_checkout(commit.hex)
name = self.run_lisod(commit.tree)
time.sleep(1)
for test in tests:
root,ext = os.path.splitext(test)
# for checkpoint 2, this should time out; we told them to swallow the data and ignore
try:
response = requests.post(test % self.port, data='dummy data', timeout=3.0)
#except requests.exceptions.Timeout:
except requests.exceptions.RequestException:
print 'timeout'
continue
except socket.timeout:
print 'socket.timeout'
continue
# if they do return something, make sure it's OK
self.pAssertEqual(200, response.status_code)
def test_bw(self):
print '(----- Testing BW -----'
check_output('echo "----- Testing BW ----" >> %s' % self.grader.results)
commit = self.resolve_tag()
self.git_checkout(commit.hex)
name = self.run_lisod(commit.tree)
time.sleep(1)
self.pAssertEqual(0, os.system('curl -m 10 -o /dev/null http://127.0.0.1:%d/big.html 2>> %s' % (self.port, self.grader.results)))
def tearDown(self):
#check_both('rm ' + self.grader.tmp_dir + 'lisod.log', False, False)
check_both('rm ' + self.grader.tmp_dir + 'lisod.lock', False, False)
os.chdir(self.grader.tmp_dir)
shutil.rmtree(self.repo)
if sys.exc_info() == (None, None, None): #test succeeded
self.out_string += '\nok'
else:
self.out_string += '\nfailed'
if self.out_string:
check_both('echo "%s" >> %s' % (self.out_string, self.grader.results))
if self.ran:
print 'trying "killall -9 %s"' % os.path.basename(self.liso_name)
check_both('killall -9 %s' % os.path.basename(self.liso_name), True, False)
class CollectGit(object):
"""
Small Helper class for small repositories.
This does not scale because we hold a lot of data in memory.
"""
_regex_comment = re.compile(
r"(//[^\"\n\r]*(?:\"[^\"\n\r]*\"[^\"\n\r]*)*[\r\n]|/\*([^*]|\*(?!/))*?\*/)(?=[^\"]*(?:\"[^\"]*\"[^\"]*)*$)"
)
_regex_jdoc_line = re.compile(r"(- |\+)\s*(\*|/\*).*")
def __init__(self, path):
if not path.endswith('.git'):
if not path.endswith('/'):
path += '/'
path += '.git'
self._log = logging.getLogger(self.__class__.__name__)
self._path = path
self._repo = Repository(self._path)
self._hunks = {}
self._file_actions = {}
self._bugfix = {}
self._msgs = {}
self._days = {}
self._cdays = {}
self._branches = {}
self._tags = {}
self._dopts = GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES
self._SIMILARITY_THRESHOLD = 50
self._graph = nx.DiGraph()
@classmethod
def clone_repo(cls, uri, local_path):
project_name = uri.split('/')[-1].split('.git')[0]
repo_path = local_path + '/' + project_name + '/'
if os.path.isdir(repo_path):
c = subprocess.run(['git', 'fetch'],
cwd=repo_path,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
if c.returncode != 0:
err = 'Error pulling repository {} to {}'.format(
uri, repo_path)
raise Exception(err)
else:
os.mkdir(repo_path)
c = subprocess.run(['git', 'clone', uri, repo_path],
cwd=repo_path,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
if c.returncode != 0:
err = 'Error cloning repository {} to {}'.format(
uri, repo_path)
raise Exception(err)
return repo_path
def _changed_lines(self, hunk):
added_lines = []
deleted_lines = []
del_line = hunk['old_start']
add_line = hunk['new_start']
for line in hunk['content'].split('\n'):
tmp = line[1:].strip()
# is_comment = tmp.startswith('//') or tmp.startswith('/*') or tmp.startswith('*')
if line.startswith('+'):
added_lines.append((add_line, tmp))
del_line -= 1
if line.startswith('-'):
deleted_lines.append((del_line, tmp))
add_line -= 1
del_line += 1
add_line += 1
return added_lines, deleted_lines
def _comment_only_change(self, content):
content = content + '\n' # required for regex to drop comments
content = re.sub(self._regex_comment, "", content)
removed = ''
added = ''
for line in content.split('\n'):
line = re.sub(
r"\s+", " ", line, flags=re.UNICODE
) # replace all kinds of whitespaces (also multiple) with sińgle whitespace
if not re.match(self._regex_jdoc_line, line):
if line.startswith('-'):
removed += line[1:].strip()
elif line.startswith('+'):
added += line[1:].strip()
return removed == added
def _blame_lines(self,
revision_hash,
filepath,
strategy,
ignore_lines=False,
validated_bugfix_lines=False):
"""We want to find changed lines for one file in one commit (from the previous commit).
For this we are iterating over the diff and counting the lines that are deleted (changed) from the original file.
We ignore all added lines.
ignore_lines is already specific to all changed hunks of the file for which blame_lines is called
"""
c = self._repo.revparse_single('{}'.format(revision_hash))
self._hunks[revision_hash] = self._get_hunks(c)
changed_lines = []
if revision_hash not in self._hunks.keys(
) or not self._hunks[revision_hash]:
return changed_lines
for h in self._hunks[revision_hash]:
if h['new_file'] != filepath:
continue
# only whitespace or comment changes in the hunk, ignore
if strategy == 'code_only' and self._comment_only_change(
h['content']):
self._log.debug(
'detected whitepace or comment only change in {} for {}'.
format(revision_hash, filepath))
continue
added, deleted = self._changed_lines(h)
for dt in deleted:
if dt not in changed_lines and dt[1]:
if strategy == 'code_only' and dt[1].startswith(
('//', '/*', '*')):
continue
# we may only want validated lines
if validated_bugfix_lines is not False:
if dt[0] not in validated_bugfix_lines:
continue
# we may ignore lines, e.g., refactorings
if ignore_lines:
ignore = False
for start_line, end_line in ignore_lines:
if start_line <= dt[0] <= end_line:
ignore = True
break
# if we hit the line in our ignore list we continue to the next
if ignore:
# self._log.warn('ignore line {} in file {} in commit {} because of refactoring detection'.format(dt[0], filepath, revision_hash))
continue
changed_lines.append(dt)
return changed_lines
def blame(self,
revision_hash,
filepath,
strategy='code_only',
ignore_lines=False,
validated_bugfix_lines=False):
"""Collect a list of commits where the given revision and file were last changed.
Uses git blame.
:param str revision_hash: Commit for which we want to collect blame commits.
:param str filepath: File for which we want to collect blame commits.
:rtype: list
:returns: A list of tuples of blame commits and the original file for the given parameters.
"""
commits = []
# - ignore if commit is not in graph
if revision_hash not in self._graph:
return []
# # - ignore package-info.java
# if strategy == 'code_only' and filepath.lower().endswith('package-info.java'):
# self._log.debug('skipping blame on revision: {} for file {} because it is package-info.java'.format(revision_hash, filepath))
# return []
# # - ignore test/ /test/ example/ examples/
# if strategy == 'code_only' and re.match(self._regex_test_example, filepath):
# self._log.debug('skipping blame on revision: {} for file {} because it is a test or an example'.format(revision_hash, filepath))
# return []
# bail on multiple parents
parents = list(self._graph.predecessors(revision_hash))
if len(parents) > 1:
self._log.debug(
'skipping blame on revision: {} because it is a merge commit'.
format(revision_hash))
return []
changed_lines = self._blame_lines(revision_hash, filepath, strategy,
ignore_lines, validated_bugfix_lines)
parent_commit = self._repo.revparse_single('{}^'.format(revision_hash))
blame = self._repo.blame(filepath,
flags=GIT_BLAME_TRACK_COPIES_SAME_FILE,
newest_commit=parent_commit.hex)
for lineno, line in changed_lines:
# returns blamehunk for specific line
try:
bh = blame.for_line(lineno)
except IndexError as e:
# this happens when we have the wrong parent node
bla = 'tried to get file: {}, line: {}, revision: {}, blame commit: {}'.format(
filepath, lineno, revision_hash, str(bh.orig_commit_id))
self._log.error(bla)
raise # this is critical
inducing_commit = self._repo.revparse_single(str(
bh.orig_commit_id))
# start = bh.orig_start_line_number
# lines = bh.lines_in_hunk
# final_start = bh.final_start_line_number
# print(revision_hash, '->', inducing_commit.hex)
# print('original: {}: {}'.format(lineno, line))
# print('{},{}: {},{}'.format(start, lines, final_start, lines))
# blame_lines = []
# for hunk in self._hunks[inducing_commit.hex]:
# if hunk['new_file'] != bh.orig_path:
# continue
# ls = final_start
# for i, blame_line in enumerate(hunk['content'].split('\n')):
# if blame_line[1:].strip() and line[1:].strip() and blame_line[1:] == line[1:]:
# print('blame: {}:{}'.format(ls, blame_line))
# ls += 1
commits.append((inducing_commit.hex, bh.orig_path))
# make unique
return list(set(commits))
def commit_information(self, revision_hash):
obj = self._repo.get(revision_hash)
return {
'author_name':
obj.author.name,
'author_email':
obj.author.email,
'committer_name':
obj.committer.name,
'committer_email':
obj.committer.email,
'committer_date_utc':
datetime.fromtimestamp(obj.commit_time, tz=timezone.utc),
'committer_date':
obj.commit_time,
'committer_date_offset':
obj.commit_time_offset,
'message':
obj.message,
'file_actions':
self._file_actions[revision_hash]
}
def file_actions(self, revision_hash):
return self._file_actions[revision_hash]
def all_files(self, revision_hash):
# 1. checkout repo
self._checkout_revision(revision_hash)
# 2. list files
return self._list_files()
def first_occurence(self, filename):
# file rename tracking is not possible currently in libgit, see:
# https://github.com/libgit2/libgit2/issues/3041
# find first occurence of file with git cli
# git log --follow --diff-filter=A --find-renames=40% foo.js
path = self._path.replace('.git', '')
c = subprocess.run([
'git', 'log', '--all', '--pretty=tformat:"%H %ci"', '--follow',
'--diff-filter=A', '--find-renames=80%', '--', filename
],
cwd=path,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
if c.returncode != 0:
err = 'Error finding first occurrence of file: {}'.format(filename)
self._log.error(err)
self._log.error(c.stderr)
raise Exception(err)
full = c.stdout.decode('utf-8')
try:
first_line = full.split('\n')[-2]
except IndexError:
if not full:
print('no git log for file {}'.format(filename))
print(full)
raise
first_date = ' '.join(first_line.split(' ')[1:]).replace('"', '')
dt = datetime.strptime(
first_date, '%Y-%m-%d %H:%M:%S %z'
) # we can do this here because we control the input format, %z does not cover +01:00 just +100 (at least in 3.6)
return dt
def tags(self):
regex = re.compile('^refs/tags')
ret = []
for tagref in filter(lambda r: regex.match(r),
self._repo.listall_references()):
tag = self._repo.lookup_reference(tagref)
target = self._repo.lookup_reference(tagref).peel()
ret.append({
'name': tag.name.replace('refs/tags/', ''),
'revision_hash': target.id
})
return ret
def _checkout_revision(self, revision):
"""Checkout via shell, we ignore stdout output."""
path = self._path.replace('.git', '')
c = subprocess.run(['git', 'checkout', '-q', '-f', revision],
cwd=path,
stdout=subprocess.PIPE)
return c.returncode == 0
def _list_files(self):
"""The slower list_files"""
path = self._path.replace('.git', '')
ret = []
for root, dirs, files in os.walk(path):
for file in files:
filepath = os.path.join(root, file)
relative_filepath = filepath.replace(path, '')
ret.append(relative_filepath)
return ret
def _list_files2(self):
"""The faster list_files (relies on find command)"""
path = self._path.replace('.git', '')
lines = subprocess.check_output(['find', '.', '-iname', '*.java'],
cwd=path)
files = []
for f in lines.decode('utf-8').split('\n'):
if f.lower().endswith('.java'):
files.append(f.replace('./', ''))
return files
def _get_hunks(self, commit):
diffs = []
hunks = []
# for initial commit (or orphan commits) pygit2 needs some special attention
initial = False
if not commit.parents:
initial = True
diffs.append((None,
commit.tree.diff_to_tree(context_lines=0,
interhunk_lines=1)))
# we may have multiple parents (merge commit)
for parent in commit.parents:
# we need all information from each parent because in a merge each parent may add different files
tmp = self._repo.diff(parent,
commit,
context_lines=0,
interhunk_lines=1)
tmp.find_similar(self._dopts, self._SIMILARITY_THRESHOLD,
self._SIMILARITY_THRESHOLD)
diffs.append((parent.hex, tmp))
for parent, diff in diffs:
checked_paths = set()
for patch in diff:
if patch.delta.new_file.path in checked_paths:
self._log.warn('already have {} in checked_paths'.format(
patch.delta.new_file.path))
continue
mode = 'X'
if patch.delta.status == 1:
mode = 'A'
elif patch.delta.status == 2:
mode = 'D'
elif patch.delta.status == 3:
mode = 'M'
elif patch.delta.status == 4:
mode = 'R'
elif patch.delta.status == 5:
mode = 'C'
elif patch.delta.status == 6:
mode = 'I'
elif patch.delta.status == 7:
mode = 'U'
elif patch.delta.status == 8:
mode = 'T'
# diff to tree gives D for inital commit otherwise
if initial:
mode = 'A'
# we may have hunks to add
if patch.hunks and commit.hex not in self._hunks.keys():
self._hunks[commit.hex] = []
# add hunks
for hunk in patch.hunks:
# initial is special case
if initial:
content = ''.join(
['+' + l.content for l in hunk.lines])
hunks.append({
'header': hunk.header,
'new_file': patch.delta.new_file.path,
'new_start': hunk.old_start,
'new_lines': hunk.old_lines,
'old_start': hunk.new_start,
'old_lines': hunk.new_lines,
'content': content
})
else:
content = ''.join(
[l.origin + l.content for l in hunk.lines])
hunks.append({
'header': hunk.header,
'new_file': patch.delta.new_file.path,
'new_start': hunk.new_start,
'new_lines': hunk.new_lines,
'old_start': hunk.old_start,
'old_lines': hunk.old_lines,
'content': content
})
return hunks
def _changed_files(self, commit):
changed_files = []
diffs = []
# for initial commit (or orphan commits) pygit2 needs some special attention
initial = False
if not commit.parents:
initial = True
diffs.append((None,
commit.tree.diff_to_tree(context_lines=0,
interhunk_lines=1)))
# we may have multiple parents (merge commit)
for parent in commit.parents:
# we need all information from each parent because in a merge each parent may add different files
tmp = self._repo.diff(parent,
commit,
context_lines=0,
interhunk_lines=1)
tmp.find_similar(self._dopts, self._SIMILARITY_THRESHOLD,
self._SIMILARITY_THRESHOLD)
diffs.append((parent.hex, tmp))
for parent, diff in diffs:
checked_paths = set()
for patch in diff:
if patch.delta.new_file.path in checked_paths:
self._log.warn('already have {} in checked_paths'.format(
patch.delta.new_file.path))
continue
mode = 'X'
if patch.delta.status == 1:
mode = 'A'
elif patch.delta.status == 2:
mode = 'D'
elif patch.delta.status == 3:
mode = 'M'
elif patch.delta.status == 4:
mode = 'R'
elif patch.delta.status == 5:
mode = 'C'
elif patch.delta.status == 6:
mode = 'I'
elif patch.delta.status == 7:
mode = 'U'
elif patch.delta.status == 8:
mode = 'T'
# diff to tree gives D for inital commit otherwise
if initial:
mode = 'A'
# we may have hunks to add
if patch.hunks and commit.hex not in self._hunks.keys():
self._hunks[commit.hex] = []
# add hunks
for hunk in patch.hunks:
# initial is special case
if initial:
content = ''.join(
['+' + l.content for l in hunk.lines])
self._hunks[commit.hex].append({
'header':
hunk.header,
'new_file':
patch.delta.new_file.path,
'new_start':
hunk.old_start,
'new_lines':
hunk.old_lines,
'old_start':
hunk.new_start,
'old_lines':
hunk.new_lines,
'content':
content
})
else:
content = ''.join(
[l.origin + l.content for l in hunk.lines])
self._hunks[commit.hex].append({
'header':
hunk.header,
'new_file':
patch.delta.new_file.path,
'new_start':
hunk.new_start,
'new_lines':
hunk.new_lines,
'old_start':
hunk.old_start,
'old_lines':
hunk.old_lines,
'content':
content
})
# collect line stats
if initial:
fa = {
'lines_added': patch.line_stats[2],
'lines_deleted': patch.line_stats[1],
'changeset_size': len(diff),
'parent': None
}
else:
fa = {
'lines_added': patch.line_stats[1],
'lines_deleted': patch.line_stats[2],
'changeset_size': len(diff),
'parent': parent
}
#if mode == 'R':
# print('R {} -> {}, sim: {}'.format(patch.delta.old_file.path, patch.delta.new_file.path, patch.delta.similarity))
if mode in ['C', 'R']:
changed_file = [
mode, patch.delta.new_file.path,
patch.delta.old_file.path, fa
]
else:
changed_file = [mode, patch.delta.new_file.path, None, fa]
checked_paths.add(patch.delta.new_file.path)
changed_files.append(changed_file)
return changed_files
def collect(self):
# list all branches
for branch in list(self._repo.branches):
self._collect_branch(branch)
# list all tags
for obj in self._repo:
tag = self._repo[obj]
if tag.type == GIT_OBJ_TAG:
self._collect_branch(tag, is_tag=True)
return self._graph
def _collect_branch(self, branch, is_tag=False):
if type(branch) == str:
branch = self._repo.branches[branch]
# add nodes to graph
try:
for c in self._repo.walk(branch.target):
self._graph.add_node(c.hex)
# branch stuff, used for traversing backwards for tags in svn->git conversions
# if c.hex not in self._branches.keys():
# self._branches[c.hex] = []
# what about tags which are also on branches?
# if is_tag:
# self._tags[c.hex] = branch.name
# else:
# self._branches[c.hex].append(branch.branch_name)
# add msg
# self._msgs[c.hex] = c.message
# add days, we use this later for lookup
# day = str(datetime.fromtimestamp(c.commit_time, tz=timezone.utc).date())
# if day not in self._days.keys():
# self._days[day] = []
# self._days[day].append(c.hex)
# add for convenience for OntdekBaanBfs
# self._cdays[c.hex] = day
# add changed files per node
# if c.hex not in self._file_actions.keys():
# self._file_actions[c.hex] = self._changed_files(c)
# still too expensive
# self._create_hunks(c)
# add edges to graph
for c in self._repo.walk(branch.target):
for p in c.parents:
self._graph.add_edge(p.hex, c.hex)
except ValueError as e:
pass
class ChangeCtxDefault(ChangeCtx):
"""Class with the specific implementation details for the change context
of the default revision state of the repository. It inherits the common
implementation from the class :class:`ChangeCtxBase`.
"""
def __init__(self, repo_path):
self._repo_path = repo_path
self._repo = Repository(self._repo_path)
self._ctx = self._repo[self.revision_id]
@locked_cached_property
def files(self):
def r(_files, repo, tree, prefix=None):
for entry in tree:
obj = repo[entry.oid]
filename = prefix and (prefix + '/' + entry.name) or entry.name
if obj.type == GIT_OBJ_TREE:
r(_files, repo, obj, filename)
elif obj.type == GIT_OBJ_BLOB:
_files.append(filename)
else:
raise RuntimeError('Invalid object: %s' % filename)
f = []
r(f, self._repo, self._ctx.tree)
return sorted(f)
@locked_cached_property
def revision_id(self):
"""This property should be cached because the lookup_reference method
reloads itself.
"""
try:
ref = self._repo.lookup_reference('refs/heads/master')
except Exception:
raise RuntimeError('Branch "master" not found!')
return ref.target
def needs_reload(self):
try:
ref = self._repo.lookup_reference('refs/heads/master')
except Exception:
return True
return self.revision_id != ref.target
def filectx_needs_reload(self, filectx):
try:
ref = self._repo.lookup_reference('refs/heads/master')
except Exception:
raise RuntimeError('Branch "master" not found!')
return filectx._changectx.oid != ref.target
def published(self, date, now):
return date <= now
def etag(self, filectx):
return 'blohg-%i-%i-%s' % (filectx.mdate or filectx.date,
len(filectx.data),
adler32(filectx.path.encode('utf-8'))
& 0xffffffff)
def get_filectx(self, path):
return FileCtx(self._repo, self._ctx, path)
def get_folders(projectCode, branch, requested_path):
"""
:projectCode: идентификатор проекта
:branch: необходимая ветка
:folderPath: GET параметр путь к папке, получить через request.args.get('folderPath')
**Response:**
```
{
"list": [
{
"name": "myfile.md",
"full_path": "/folder/myfile.md",
"parent": "/folder/"
}
],
"_meta": {
"per-page": 12,
"page": 12,
"total-pages": 12
}
}
```
"""
# Get path
requested_path = "/" + requested_path
# print(requested_path, file=sys.stderr)
# Set folder
folder = config["REPO_FOLDER"] + projectCode
if not os.path.isdir(folder):
# TODO: throw exception
return json.dumps({"error": 404, "description": "Project not found"})
# Checkout branch
repo = Repository(folder)
branch = repo.lookup_branch('master')
ref = repo.lookup_reference(branch.name)
repo.checkout(ref)
# TODO: exception if branch not exists
# Get files it path
list = []
for root, dirs, files in os.walk(folder + requested_path):
for filename in files:
if root == folder + "/":
list.append({
"name": filename,
"full_path": "/" + filename,
"parent": "/"
})
else:
list.append({
"name": filename,
"full_path": root[len(folder):] + "/" + filename,
"parent": root[len(folder):] + "/"
})
response = {
"list": list,
"_meta": {
"per-page": 99999, # TODO: make pagination?
"page": 1,
"total-pages": 1
}
}
return json.dumps(response)
def _checkout_commit(self, repo: pygit2.Repository, commit):
repo.create_reference(DataExtractor.WORKING_TAG_REFNAME, commit.id)
repo.checkout(DataExtractor.WORKING_TAG_REFNAME)
repo.lookup_reference(DataExtractor.WORKING_TAG_REFNAME).delete()
class PyGitEngine(GitContentDatabaseEngine):
def __init__(self, config):
super(PyGitEngine, self).__init__(config)
self.repo = None
def connect(self):
"""Create content directory"""
if not isdir(self.content_path):
init_repository(self.content_path, bare=True)
self.repo = Repository(self.content_path)
self.create_initial_commit()
else:
self.repo = Repository(self.content_path)
@staticmethod
def do_put(content_path, object_hashes, content, filename):
"""Perform put operation. This is used in the distributed wrapper"""
content_hash = Repository(content_path).create_blob(content)
result = object_hashes[filename] = str(content_hash)
return result
def put_attr(self, content, filename):
"""Return attributes for the do_put operation"""
filename = self._inc_name(filename)
return (self.content_path, self.object_hashes, content, filename)
def put(self, content, filename="generic"): # pylint: disable=method-hidden
"""Put content in the content database"""
return self.do_put(*self.put_attr(content, filename))
def get(self, content_hash): # pylint: disable=method-hidden
"""Get content from the content database"""
return_data = self.repo[content_hash].data
return return_data
def find_subhash(self, content_hash):
"""Find hash in git"""
try:
blob = self.repo.revparse_single(content_hash)
return str(blob.id)
except KeyError:
return None
def create_initial_commit(self):
"""Create the initial commit of the git repository"""
empty_tree = self.repo.TreeBuilder().write()
self.create_commit_object(self._initial_message, empty_tree)
def create_commit_object(self, message, tree):
"""Create a commit object"""
references = list(self.repo.references)
master_ref = self.repo.lookup_reference(
self._commit_ref) if len(references) > 0 else None
parents = []
if master_ref is not None:
parents = [master_ref.peel().id]
author = Signature(self._commit_name, self._commit_email)
return self.repo.create_commit(self._commit_ref, author, author,
message, tree, parents)
def new_tree(self, parent):
"""Create new git tree"""
return self.repo.TreeBuilder()
def insert_blob(self, tree, basename, value):
"""Insert blob into tree"""
tree.insert(basename, value, GIT_FILEMODE_BLOB)
def insert_tree(self, tree, basename, value):
"""Insert tree into tree"""
tree.insert(basename, value, GIT_FILEMODE_TREE)
def write_tree(self, tree):
"""Write tree to git directory"""
return tree.write()
class Project1Test(unittest.TestCase):
def __init__(self, test_name, grader):
super(Project1Test, self).__init__(test_name)
self.grader = grader
# setUpClass doesn't work!?
def setUp(self):
self.out_string = ""
self.repo = REPO_TEMPLATE % self.grader.andrewid
os.chdir(self.grader.tmp_dir)
try:
self.tearDown()
except:
pass
self.git_clone(self.grader.root_repo)
os.chdir(self.repo)
self.repository = Repository('.git')
commit = self.resolve_tag()
self.git_checkout(commit.hex)
self.ran = False
self.port = random.randint(1025, 9999)
self.tls_port = random.randint(1025, 9999)
print '\nUsing ports: %d,%d' % (self.port, self.tls_port)
def pAssertEqual(self, arg1, arg2):
try:
self.assertEqual(arg1, arg2)
except Exception as e:
self.print_str(traceback.format_stack()[-2])
raise e
def pAssertTrue(self, test):
try:
self.assertTrue(test)
except Exception as e:
self.print_str(traceback.format_stack()[-2])
raise e
def print_str(self, prt_str):
print(prt_str)
self.out_string += ("\n" + prt_str)
def edit_notes(self, new_note):
notef = self.grader.notes
try:
check_both('cat %s' % (notef), False)
new_note = '\n' + new_note
except:
pass
check_both('echo "%s\nGood." >> %s' % (new_note, notef), False)
check_both('%s %s' % (self.grader.editor, notef))
def confirm(self):
print '-----------------------------------------------'
test = raw_input('OK [y/n]? ').lower() in ['y', '']
self.pAssertTrue(test)
def change_cgi(self, new_path):
self.grader.cgi = new_path
def liso_name(self):
name = './lisod'
# text = raw_input('liso name? ').strip()
# if text: name = text
self.liso_name = name
return name
def get_path(self):
path = None
# text = raw_input('path? ').strip()
# if text: path = text
return path
def get_port(self):
port = self.port
# text = raw_input('port? ').strip()
# if text: port = int(text)
self.port = port
print port
return port
def get_tls_port(self):
tls_port = self.tls_port
# text = raw_input('tls_port? ').strip()
# if text: tls_port = int(text)
self.tls_port = tls_port
print tls_port
return tls_port
def find_path(self, name, tree, path='./', d=0):
if d == 15: return None
name = name.lower().strip()
# bredth first...?
for entry in tree:
if entry.name.lower().strip() == name:
return path
# now check depth...?
entries = [e for e in tree]
for entry in reversed(entries):
obj = self.repository[entry.oid]
if isinstance(obj, Tree):
obj = self.find_path(name, obj, os.path.join(path, entry.name),
d + 1)
if obj:
return obj
return None
def find_file(self, name, tree, d=0):
if d == 15: return None
name = name.lower().strip()
# bredth first...?
for entry in tree:
if entry.name.lower().strip() == name:
resolved = self.repository[entry.oid]
if not isinstance(resolved, Blob):
continue
return resolved
# now check depth...?
entries = [e for e in tree]
for entry in reversed(entries):
obj = self.repository[entry.oid]
if isinstance(obj, Tree):
obj = self.find_file(name, obj, d + 1)
if obj:
return obj
return None
def run_lisod(self, tree):
path = self.get_path()
liso = self.liso_name()
port = self.get_port()
tls_port = self.get_tls_port()
if not path: path = self.find_path('Makefile', tree)
print 'switching to: %s' % path
os.chdir(path)
check_both('make clean', False, False)
check_output('make')
self.ran = True
resource.setrlimit(resource.RLIMIT_STACK,
(resource.RLIM_INFINITY, resource.RLIM_INFINITY))
cmd = '%s %d %d %slisod.log %slisod.lock %s %s %s %s&' % (
liso, port, tls_port, self.grader.tmp_dir, self.grader.tmp_dir,
self.grader.www[:-1], self.grader.cgi, self.grader.priv_key,
self.grader.cert)
#cmd = 'nohup ' + cmd
#cmd = cmd + " > /dev/null"
print cmd
self.pAssertEqual(0, os.system(cmd))
return liso
def git_clone(self, repourl):
with open('/dev/null', 'w') as f:
self.pAssertEqual(
0, check_call(['git', 'clone', repourl], stderr=f, stdout=f))
def git_checkout(self, commit_hex):
with open('/dev/null', 'w') as f:
self.pAssertEqual(
0,
check_call(
['git', 'checkout', '%s' % commit_hex], stdout=f,
stderr=f))
def resolve_tag(self):
try:
tag = self.repository.lookup_reference('refs/tags/checkpoint-%d' %
self.grader.cp_num)
except KeyError:
try:
tag = self.repository.lookup_reference(
'refs/tags/checkpoint_%d' % self.grader.cp_num)
except KeyError:
tag = self.repository.lookup_reference(
'refs/tags/checkpoint%d' % self.grader.cp_num)
#tag = self.repository.lookup_reference('refs/tags/regrade')
commit = self.repository[tag.target]
while isinstance(commit, Tag):
commit = self.repository[commit.target]
return commit
def check_headers(self, response_type, headers, length_content, ext):
self.pAssertEqual(headers['Server'].lower(), 'liso/1.0')
try:
datetime.datetime.strptime(headers['Date'],
'%a, %d %b %Y %H:%M:%S %Z')
except KeyError:
self.print_str('Bad Date header')
except:
self.print_str('Bad Date header: %s' % (headers['Date']))
self.pAssertEqual(int(headers['Content-Length']), length_content)
#self.pAssertEqual(headers['Connection'].lower(), 'close')
if response_type == 'GET' or response_type == 'HEAD':
header_set = set([
'connection', 'content-length', 'date', 'last-modified',
'server', 'content-type'
])
self.pAssertEqual(set(), header_set - set(headers.keys()))
if headers['Content-Type'].lower() != MIME[ext]:
self.print_str('MIME got %s expected %s' %
(headers['Content-Type'].lower(), MIME[ext]))
self.pAssertTrue(
headers['Content-Type'].lower() == MIME[ext]
or headers['Content-Type'].lower() == MIME['.html'])
try:
datetime.datetime.strptime(headers['Last-Modified'],
'%a, %d %b %Y %H:%M:%S %Z')
except:
self.print_str('Bad Last-Modified header: %s' %
(headers['Last-Modified']))
elif response_type == 'POST':
header_set = set(
['connection', 'content-length', 'date', 'server'])
self.pAssertEqual(set(), header_set - set(headers.keys()))
else:
self.fail('Unsupported Response Type...')
# test existence of tag in repo
def test_tag_checkpoint(self):
self.print_str('\n\n----- Testing Tag -----')
self.repository.lookup_reference('refs/tags/checkpoint-%d' %
self.grader.cp_num)
# test turn in timestamp
def test_timestamp(self):
self.print_str('\n\n----- Testing Timestamp -----')
commit = self.resolve_tag()
self.print_str('ref/tags/checkpoint-%d: %s' %
(self.grader.cp_num, commit.hex))
self.print_str('Due: %s' % self.grader.due_date)
utctime = datetime.datetime.utcfromtimestamp(commit.commit_time)
utcoffset = datetime.timedelta(minutes=commit.commit_time_offset)
timestamp = utctime + utcoffset
self.print_str('Timestamp: %s' % timestamp)
timediff = timestamp - self.grader.due_date
if timediff.days >= 0 and\
timediff.seconds > 0 or\
timediff.microseconds > 0:
raise ValueError
# test readme.txt file up to snuff
def test_readme_file(self):
self.print_str('\n\n----- Testing readme.txt file -----')
commit = self.resolve_tag()
tree = commit.tree
print '\n----- readme.txt -----'
readme = self.find_file('readme.txt', tree)
print readme.data,
self.confirm()
self.edit_notes('README:')
# test vulnerabilities.txt up to snuff
def test_vulnerabilities_file(self):
self.print_str('\n\n----- Testing vulnerabilities.txt file -----')
commit = self.resolve_tag()
tree = commit.tree
print '\n----- vulnerabilities.txt -----'
vulnerable = self.find_file('vulnerabilities.txt', tree)
print vulnerable.data,
self.confirm()
self.edit_notes('VULNERABILITIES:')
# test tests.txt up to snuff
def test_tests_file(self):
self.print_str('\n\n----- Testing tests.txt file -----')
commit = self.resolve_tag()
tree = commit.tree
print '\n----- tests.txt -----'
tests = self.find_file('tests.txt', tree)
print tests.data,
self.confirm()
self.edit_notes('TESTS:')
# test Makefile up to snuff
def test_Makefile_file(self):
self.print_str('\n\n----- Testing Makefile file -----')
commit = self.resolve_tag()
tree = commit.tree
print '\n----- Makefile -----'
Makefile = self.find_file('Makefile', tree)
print Makefile.data,
self.confirm()
self.edit_notes('MAKEFILE:')
# test if source up to snuff
def test_inspect_source(self):
self.print_str('\n\n----- Inspect Source cod *.[c|h] -----')
self.print_str(self.grader.source_reminder)
self.pAssertEqual(0, check_call(['bash']))
self.confirm()
self.edit_notes('SOURCE:')
# tests if make properly creates lisod...
def test_lisod_file(self):
self.print_str('\n\n----- Testing make -----')
commit = self.resolve_tag()
path = self.get_path()
if not path: path = self.find_path('Makefile', commit.tree)
os.chdir(path)
check_output('make')
self.pAssertTrue(os.path.exists('./lisod'))
# send all test files to their server
# get output, give 3 second timeout
# check sha's of output
def test_replays(self):
self.print_str('\n\n----- Testing Replays -----')
commit = self.resolve_tag()
self.run_lisod(commit.tree)
time.sleep(3)
replays_dir = os.path.join(self.grader.tmp_dir, 'replays')
if not os.path.exists(replays_dir):
os.makedirs(replays_dir)
files = os.listdir(replays_dir)
num_passed = 0
num_files = 0
for fname in files:
basename, extension = os.path.splitext(fname)
if extension == '.test':
num_files += 1
self.print_str('testing %s...' % fname)
fname = os.path.join(self.grader.tmp_dir + 'replays', fname)
outfile = os.path.join(self.grader.tmp_dir + 'replays',
'%s_%s.out' % (basename, self.repo))
command = 'ncat -i 1s localhost %d < %s > %s' % (
self.port, fname, outfile)
check_both(command, False, False)
with open(
os.path.join(self.grader.tmp_dir + 'replays',
basename + '.out')) as f:
with open(outfile) as f2:
outhash = hashlib.sha256(f.read()).hexdigest()
out2hash = hashlib.sha256(f2.read()).hexdigest()
if outhash == out2hash:
self.print_str('ok')
num_passed += 1
else:
self.print_str('failed')
check_both('rm %s' % outfile)
self.print_str('passed %d of %d' % (num_passed, num_files))
self.pAssertEqual(num_passed, num_files)
def test_HEAD_headers(self):
self.print_str('----- Testing Headers -----')
tests = {
'http://127.0.0.1:%d/index.html':
('f5cacdcb48b7d85ff48da4653f8bf8a7c94fb8fb43407a8e82322302ab13becd',
802),
'http://127.0.0.1:%d/images/liso_header.png':
('abf1a740b8951ae46212eb0b61a20c403c92b45ed447fe1143264c637c2e0786',
17431),
'http://127.0.0.1:%d/style.css':
('575150c0258a3016223dd99bd46e203a820eef4f6f5486f7789eb7076e46736a',
301)
}
commit = self.resolve_tag()
self.git_checkout(commit.hex)
name = self.run_lisod(commit.tree)
time.sleep(1)
for test in tests:
root, ext = os.path.splitext(test)
response = requests.head(test % self.port, timeout=10.0)
self.check_headers(response.request.method, response.headers,
tests[test][1], ext)
def test_HEAD(self):
self.print_str('----- Testing HEAD -----')
tests = {
'http://127.0.0.1:%d/index.html':
('f5cacdcb48b7d85ff48da4653f8bf8a7c94fb8fb43407a8e82322302ab13becd',
802),
'http://127.0.0.1:%d/images/liso_header.png':
('abf1a740b8951ae46212eb0b61a20c403c92b45ed447fe1143264c637c2e0786',
17431),
'http://127.0.0.1:%d/style.css':
('575150c0258a3016223dd99bd46e203a820eef4f6f5486f7789eb7076e46736a',
301)
}
commit = self.resolve_tag()
self.git_checkout(commit.hex)
name = self.run_lisod(commit.tree)
time.sleep(1)
for test in tests:
root, ext = os.path.splitext(test)
response = requests.head(test % self.port, timeout=10.0)
contenthash = hashlib.sha256(response.content).hexdigest()
self.pAssertEqual(200, response.status_code)
def test_GET(self):
self.print_str('----- Testing GET -----')
tests = {
'http://127.0.0.1:%d/index.html':
'f5cacdcb48b7d85ff48da4653f8bf8a7c94fb8fb43407a8e82322302ab13becd',
'http://127.0.0.1:%d/images/liso_header.png':
'abf1a740b8951ae46212eb0b61a20c403c92b45ed447fe1143264c637c2e0786',
'http://127.0.0.1:%d/style.css':
'575150c0258a3016223dd99bd46e203a820eef4f6f5486f7789eb7076e46736a'
}
commit = self.resolve_tag()
self.git_checkout(commit.hex)
name = self.run_lisod(commit.tree)
time.sleep(1)
for test in tests:
root, ext = os.path.splitext(test)
response = requests.get(test % self.port, timeout=10.0)
contenthash = hashlib.sha256(response.content).hexdigest()
self.pAssertEqual(200, response.status_code)
self.pAssertEqual(contenthash, tests[test])
def test_POST(self):
self.print_str('----- Testing POST -----')
tests = {
'http://127.0.0.1:%d/index.html':
'f5cacdcb48b7d85ff48da4653f8bf8a7c94fb8fb43407a8e82322302ab13becd',
}
commit = self.resolve_tag()
self.git_checkout(commit.hex)
name = self.run_lisod(commit.tree)
time.sleep(1)
for test in tests:
root, ext = os.path.splitext(test)
# for checkpoint 2, this should time out; we told them to swallow the data and ignore
try:
response = requests.post(test % self.port,
data='dummy data',
timeout=3.0)
#except requests.exceptions.Timeout:
except requests.exceptions.RequestException:
print 'timeout'
continue
except socket.timeout:
print 'socket.timeout'
continue
# if they do return something, make sure it's OK
self.pAssertEqual(200, response.status_code)
def test_bw(self):
print '(----- Testing BW -----'
check_output('echo "----- Testing BW ----" >> %s' %
self.grader.results)
commit = self.resolve_tag()
self.git_checkout(commit.hex)
name = self.run_lisod(commit.tree)
time.sleep(1)
self.pAssertEqual(
0,
os.system(
'curl -m 10 -o /dev/null http://127.0.0.1:%d/big.html 2>> %s' %
(self.port, self.grader.results)))
def tearDown(self):
#check_both('rm ' + self.grader.tmp_dir + 'lisod.log', False, False)
check_both('rm ' + self.grader.tmp_dir + 'lisod.lock', False, False)
os.chdir(self.grader.tmp_dir)
shutil.rmtree(self.repo)
if sys.exc_info() == (None, None, None): #test succeeded
self.out_string += '\nok'
else:
self.out_string += '\nfailed'
if self.out_string:
check_both('echo "%s" >> %s' %
(self.out_string, self.grader.results))
if self.ran:
print 'trying "killall -9 %s"' % os.path.basename(self.liso_name)
check_both('killall -9 %s' % os.path.basename(self.liso_name),
True, False)
class GitMixin(object):
tag_or_remote_regex = re.compile('^refs/(tags|remotes)/(.*)')
def __init__(self):
where = GitOperations.get_repository_location(self.user, self.name)
self.ondisk = Repository(where)
def refresh(self):
creds = GitOperations.get_credentials(self.git_user, self.user)
for remote in self.ondisk.remotes:
remote.credentials = creds
remote.fetch()
# update current reference
master_ref = self.ondisk.lookup_reference('refs/heads/master')
remote_ref = self.ondisk.lookup_reference('refs/remotes/origin/master')
master_ref.set_target(remote_ref.target)
def filter_references(self, regex):
return [ref for ref in self.ondisk.listall_references()
if regex.match(ref)]
def get_commit_time(self, name):
ref = self.ondisk.revparse_single(name)
if isinstance(ref, Tag):
return ref.get_object().commit_time
if isinstance(ref, Commit):
return ref.commit_time
raise GitException('invalid reference: commit time could not be found.') # pragma: no cover
def get_latest_refs(self, count=None):
info = self.filter_references(GitMixin.tag_or_remote_regex)
refs = list(zip(info, map(self.get_commit_time, info)))
refs.sort(key=itemgetter(1), reverse=True)
def ref_info(info):
(ref, commit_time) = info
what, name = GitMixin.tag_or_remote_regex.findall(ref)[0]
return (what, name, commit_time)
refs = map(ref_info, refs)
if not count:
return refs
return islice(refs, count)
def filter_commits(self, flags=0):
all_commits = self.ondisk.walk(self.ondisk.head.target, flags)
emails = [ue.email for ue in self.user.emails.all()]
return filter(lambda commit: commit.author.email in emails, all_commits)
def get_commits(self, count=None):
all_commits = self.filter_commits(GIT_SORT_TOPOLOGICAL)
if not count:
return all_commits
return islice(all_commits, count)
def get_commit_count(self):
return len(list(self.filter_commits()))
def get_shorthand_of_branch(self, branch):
commit = self.ondisk.lookup_branch(branch)
if commit:
return commit.shorthand
return '(none)'
def get_sha1_of_branch(self, branch):
commit = self.ondisk.lookup_branch(branch)
if commit:
return str(commit.get_object().id)[:6]
return '(none)'
def get_numstat(self, commit):
diff = None
try:
previous_commit = self.ondisk.revparse_single(str(commit.id) + '^')
diff = self.ondisk.diff(previous_commit, commit)
except KeyError:
# likely we hit the very first commit.
diff = commit.tree.diff_to_tree(swap=True)
additions, deletions = 0, 0
for patch in diff:
additions += patch.additions
deletions += patch.deletions
return (len(diff), additions, deletions)
def get_first_updated(self):
all_commits = self.ondisk.walk(self.ondisk.head.target,
GIT_SORT_TIME | GIT_SORT_REVERSE)
first_commit = next(all_commits)
return first_commit.commit_time
def get_last_updated(self):
all_commits = self.ondisk.walk(self.ondisk.head.target,
GIT_SORT_TIME)
last_commit = next(all_commits)
return last_commit.commit_time
def get_file_count(self):
diff = self.ondisk.head.get_object().tree.diff_to_tree()
return len([patch.old_file_path for patch in diff])
def get_line_count(self):
diff = self.ondisk.head.get_object().tree.diff_to_tree()
return sum([patch.deletions for patch in diff])
def get_author_count(self):
commits = self.filter_commits()
return len(set([commit.author.email for commit in commits]))
def commits_between(self, start, end):
all_commits = self.filter_commits(GIT_SORT_TIME | GIT_SORT_REVERSE)
starting = dropwhile(lambda obj: obj.commit_time < start, all_commits)
return takewhile(lambda obj: obj.commit_time <= end, starting)
@staticmethod
def by_day(obj):
# we want to group our commit times by the day. so convert
# timestamp -> date -> timestamp
new_date = date.fromtimestamp(obj.commit_time)
new_date += timedelta(days=1)
return timegm(new_date.timetuple())
@staticmethod
def group_by(series):
result = groupby(series, GitMixin.by_day)
return [{'date': commit_date,
'value': len(list(commits))}
for commit_date, commits in result]
def histogram(self, start, end):
series = self.commits_between(start, end)
return GitMixin.group_by(series)
class GitRepo:
"""A class that manages a git repository.
This class enables versiong via git for a repository.
You can stage and commit files and checkout different commits of the repository.
"""
path = ''
pathspec = []
repo = None
callback = None
author_name = 'QuitStore'
author_email = '*****@*****.**'
gcProcess = None
def __init__(self, path, origin=None, gc=False):
"""Initialize a new repository from an existing directory.
Args:
path: A string containing the path to the repository.
origin: The remote URL where to clone and fetch from and push to
"""
logger = logging.getLogger('quit.core.GitRepo')
logger.debug('GitRepo, init, Create an instance of GitStore')
self.path = path
self.gc = gc
if not exists(path):
try:
makedirs(path)
except OSError as e:
raise Exception('Can\'t create path in filesystem:', path, e)
try:
self.repo = Repository(path)
except KeyError:
pass
except AttributeError:
pass
if origin:
self.callback = QuitRemoteCallbacks()
if self.repo:
if self.repo.is_bare:
raise QuitGitRepoError('Bare repositories not supported, yet')
if origin:
# set remote
self.addRemote('origin', origin)
else:
if origin:
# clone
self.repo = self.cloneRepository(origin, path, self.callback)
else:
self.repo = init_repository(path=path, bare=False)
def cloneRepository(self, origin, path, callback):
try:
repo = clone_repository(url=origin,
path=path,
bare=False,
callbacks=callback)
return repo
except Exception as e:
raise QuitGitRepoError(
"Could not clone from: {} origin. {}".format(origin, e))
def addall(self):
"""Add all (newly created|changed) files to index."""
self.repo.index.read()
self.repo.index.add_all(self.pathspec)
self.repo.index.write()
def addfile(self, filename):
"""Add a file to the index.
Args:
filename: A string containing the path to the file.
"""
index = self.repo.index
index.read()
try:
index.add(filename)
index.write()
except Exception as e:
logger.info(
"GitRepo, addfile, Could not add file {}.".format(filename))
logger.debug(e)
def addRemote(self, name, url):
"""Add a remote.
Args:
name: A string containing the name of the remote.
url: A string containing the url to the remote.
"""
try:
self.repo.remotes.create(name, url)
logger.info("Successfully added remote: {} - {}".format(name, url))
except Exception as e:
logger.info("Could not add remote: {} - {}".format(name, url))
logger.debug(e)
try:
self.repo.remotes.set_push_url(name, url)
self.repo.remotes.set_url(name, url)
except Exception as e:
logger.info("Could not set push/fetch urls: {} - {}".format(
name, url))
logger.debug(e)
def checkout(self, commitid):
"""Checkout a commit by a commit id.
Args:
commitid: A string cotaining a commitid.
"""
try:
commit = self.repo.revparse_single(commitid)
self.repo.set_head(commit.oid)
self.repo.reset(commit.oid, GIT_RESET_HARD)
logger.info("Checked out commit: {}".format(commitid))
except Exception as e:
logger.info("Could not check out commit: {}".format(commitid))
logger.debug(e)
def commit(self, message=None):
"""Commit staged files.
Args:
message: A string for the commit message.
Raises:
Exception: If no files in staging area.
"""
if self.isstagingareaclean():
# nothing to commit
return
index = self.repo.index
index.read()
tree = index.write_tree()
try:
author = Signature(self.author_name, self.author_email)
comitter = Signature(self.author_name, self.author_email)
if len(self.repo.listall_reference_objects()) == 0:
# Initial Commit
if message is None:
message = 'Initial Commit from QuitStore'
self.repo.create_commit('HEAD', author, comitter, message,
tree, [])
else:
if message is None:
message = 'New Commit from QuitStore'
self.repo.create_commit('HEAD', author, comitter, message,
tree,
[self.repo.head.get_object().hex])
logger.info('Updates commited')
except Exception as e:
logger.info('Nothing to commit')
logger.debug(e)
if self.gc:
self.garbagecollection()
def commitexists(self, commitid):
"""Check if a commit id is part of the repository history.
Args:
commitid: String of a Git commit id.
Returns:
True, if commitid is part of commit log
False, else.
"""
if commitid in self.getids():
return True
else:
return False
def garbagecollection(self):
"""Start garbage collection.
Args:
commitid: A string cotaining a commitid.
"""
try:
# Check if the garbage collection process is still running
if self.gcProcess is None or self.gcProcess.poll() is not None:
# Start garbage collection with "--auto" option,
# which imidietly terminates, if it is not necessary
self.gcProcess = Popen(["git", "gc", "--auto", "--quiet"],
cwd=self.path)
logger.debug('Spawn garbage collection')
except Exception as e:
logger.debug('Git garbage collection failed to spawn')
logger.debug(e)
def getpath(self):
"""Return the path of the git repository.
Returns:
A string containing the path to the directory of git repo
"""
return self.path
def getcommits(self):
"""Return meta data about exitsting commits.
Returns:
A list containing dictionaries with commit meta data
"""
commits = []
if len(self.repo.listall_reference_objects()) > 0:
for commit in self.repo.walk(self.repo.head.target,
GIT_SORT_REVERSE):
commits.append({
'id':
str(commit.oid),
'message':
str(commit.message),
'commit_date':
datetime.fromtimestamp(
commit.commit_time).strftime('%Y-%m-%dT%H:%M:%SZ'),
'author_name':
commit.author.name,
'author_email':
commit.author.email,
'parents': [c.hex for c in commit.parents],
})
return commits
def getids(self):
"""Return meta data about exitsting commits.
Returns:
A list containing dictionaries with commit meta data
"""
ids = []
if len(self.repo.listall_reference_objects()) > 0:
for commit in self.repo.walk(self.repo.head.target,
GIT_SORT_REVERSE):
ids.append(str(commit.oid))
return ids
def isgarbagecollectionon(self):
"""Return if gc is activated or not.
Returns:
True, if activated
False, if not
"""
return self.gc
def isstagingareaclean(self):
"""Check if staging area is clean.
Returns:
True, if staginarea is clean
False, else.
"""
status = self.repo.status()
for filepath, flags in status.items():
if flags != GIT_STATUS_CURRENT:
return False
return True
def pull(self, remote='origin', branch='master'):
"""Pull if possible.
Return:
True: If successful.
False: If merge not possible or no updates from remote.
"""
try:
self.repo.remotes[remote].fetch()
except Exception as e:
logger.info("Can not pull: Remote {} not found.".format(remote))
logger.debug(e)
ref = 'refs/remotes/' + remote + '/' + branch
remoteid = self.repo.lookup_reference(ref).target
analysis, _ = self.repo.merge_analysis(remoteid)
if analysis & GIT_MERGE_ANALYSIS_UP_TO_DATE:
# Already up-to-date
pass
elif analysis & GIT_MERGE_ANALYSIS_FASTFORWARD:
# fastforward
self.repo.checkout_tree(self.repo.get(remoteid))
master_ref = self.repo.lookup_reference('refs/heads/master')
master_ref.set_target(remoteid)
self.repo.head.set_target(remoteid)
elif analysis & GIT_MERGE_ANALYSIS_NORMAL:
self.repo.merge(remoteid)
tree = self.repo.index.write_tree()
msg = 'Merge from ' + remote + ' ' + branch
author = Signature(self.author_name, self.author_email)
comitter = Signature(self.author_name, self.author_email)
self.repo.create_commit('HEAD', author, comitter, msg, tree,
[self.repo.head.target, remoteid])
self.repo.state_cleanup()
else:
logger.debug('Can not pull. Unknown merge analysis result')
def push(self, remote='origin', branch='master'):
"""Push if possible.
Return:
True: If successful.
False: If diverged or nothing to push.
"""
ref = ['refs/heads/' + branch]
try:
remo = self.repo.remotes[remote]
except Exception as e:
logger.info(
"Can not push. Remote: {} does not exist.".format(remote))
logger.debug(e)
return
try:
remo.push(ref, callbacks=self.callback)
except Exception as e:
logger.info("Can not push to {} with ref {}".format(
remote, str(ref)))
logger.debug(e)
def getRemotes(self):
remotes = {}
try:
for remote in self.repo.remotes:
remotes[remote.name] = [remote.url, remote.push_url]
except Exception as e:
logger.info('No remotes found.')
logger.debug(e)
return {}
return remotes
class GitBareBackend(object):
nb_transactions = 0
def __init__(self, path):
self.path = abspath(path) + '/'
# Open database
self.path_data = '%s/database/' % self.path
if not lfs.is_folder(self.path_data):
error = '"%s" should be a folder, but it is not' % path
raise ValueError, error
# Open repository
self.repo = Repository(self.path_data)
# Read index
try:
tree = self.repo.head.peel(GIT_OBJ_TREE)
self.repo.index.read_tree(tree.id)
except:
pass
# Check git commiter
try:
_, _ = self.username, self.useremail
except:
print '========================================='
print 'ERROR: Please configure GIT commiter via'
print ' $ git config --global user.name'
print ' $ git config --global user.email'
print '========================================='
raise
@classmethod
def init_backend(cls, path, init=False, soft=False):
init_repository('{0}/database'.format(path), bare=True)
#######################################################################
# Internal utility functions
#######################################################################
def _call(self, command):
"""Interface to cal git.git for functions not yet implemented using
libgit2.
"""
popen = Popen(command, stdout=PIPE, stderr=PIPE, cwd=self.path_data)
stdoutdata, stderrdata = popen.communicate()
if popen.returncode != 0:
raise EnvironmentError, (popen.returncode, stderrdata)
return stdoutdata
@lazy
def username(self):
cmd = ['git', 'config', '--get', 'user.name']
try:
username = self._call(cmd).rstrip()
except EnvironmentError:
raise ValueError(
"Please configure 'git config --global user.name'")
return username
@lazy
def useremail(self):
cmd = ['git', 'config', '--get', 'user.email']
try:
useremail = self._call(cmd).rstrip()
except EnvironmentError:
raise ValueError(
"Please configure 'git config --global user.email'")
return useremail
def _resolve_reference(self, reference):
"""This method returns the SHA the given reference points to. For now
only HEAD is supported.
FIXME This is quick & dirty. TODO Implement references in pygit2 and
use them here.
"""
# Case 1: SHA
if len(reference) == 40:
return reference
# Case 2: reference
reference = self.repo.lookup_reference(reference)
try:
reference = reference.resolve()
except KeyError:
return None
return reference.target
def normalize_key(self, path, __root=None):
# Performance is critical so assume the path is already relative to
# the repository.
key = __root.resolve(path)
if key and key[0] == '.git':
err = "bad '{0}' path, access to the '.git' folder is denied"
raise ValueError(err.format(path))
return '/'.join(key)
def handler_exists(self, key):
tree = self.repo.head.peel(GIT_OBJ_TREE)
try:
tree[key]
except:
return False
return True
def get_handler_names(self, key):
try:
tree = self.repo.head.peel(GIT_OBJ_TREE)
if key:
tree_entry = tree[key]
if tree_entry.type == 'blob':
raise ValueError
tree = self.repo[tree_entry.id]
except:
yield None
else:
for item in tree:
yield item.name
def get_handler_data(self, key):
tree = self.repo.head.peel(GIT_OBJ_TREE)
tree_entry = tree[key]
blob = self.repo[tree_entry.id]
return blob.data
def get_handler_mimetype(self, key):
data = self.get_handler_data(key)
return magic_from_buffer(data)
def handler_is_file(self, key):
return not self.handler_is_folder(key)
def handler_is_folder(self, key):
repository = self.repo
if key == '':
return True
else:
tree = repository.head.peel(GIT_OBJ_TREE)
tree_entry = tree[key]
return tree_entry.type == 'tree'
def get_handler_mtime(self, key):
# FIXME
return datetime.utcnow().replace(tzinfo=fixed_offset(0))
def traverse_resources(self):
tree = self.repo.head.peel(GIT_OBJ_TREE)
yield self.get_resource('/')
for name in self.get_names(tree):
if name[-9:] == '.metadata' and name != '.metadata':
yield self.get_resource('/' + name[:-9])
def get_names(self, tree, path=''):
for entry in tree:
base_path = '{0}/{1}'.format(path, entry.name)
yield base_path
if entry.filemode == GIT_FILEMODE_TREE:
sub_tree = self.repo.get(entry.hex)
for x in self.get_names(sub_tree, base_path):
yield x
def do_transaction(self, commit_message, data, added, changed, removed,
handlers):
self.nb_transactions += 1
# Get informations
git_author, git_date, git_msg, docs_to_index, docs_to_unindex = data
git_msg = commit_message or git_msg or 'no comment'
# List of Changed
added_and_changed = list(added) + list(changed)
# Build the tree from index
index = self.repo.index
for key in added_and_changed:
handler = handlers.get(key)
blob_id = self.repo.create_blob(handler.to_str())
entry = IndexEntry(key, blob_id, GIT_FILEMODE_BLOB_EXECUTABLE)
index.add(entry)
for key in removed:
index.remove(key)
git_tree = index.write_tree()
# Commit
self.git_commit(git_msg, git_author, git_date, tree=git_tree)
def git_commit(self, message, author=None, date=None, tree=None):
"""Equivalent to 'git commit', we must give the message and we can
also give the author and date.
"""
# Tree
if tree is None:
#tree = self.index.write_tree()
raise ValueError('Please give me a tree')
# Parent
parent = self._resolve_reference('HEAD')
parents = [parent] if parent else []
# Committer
when_time = time.time()
when_offset = -(time.altzone if time.daylight else time.timezone)
when_offset = when_offset / 60
name = self.username
email = self.useremail
committer = Signature(name, email, when_time, when_offset)
# Author
if author is None:
author = (name, email)
if date:
if date.tzinfo:
from pytz import utc
when_time = date.astimezone(utc) # To UTC
when_time = when_time.timetuple() # As struct_time
when_time = timegm(when_time) # To unix time
when_offset = date.utcoffset().seconds / 60
else:
err = "Worktree.git_commit doesn't support naive datatime yet"
raise NotImplementedError, err
author = Signature(author[0], author[1], when_time, when_offset)
# Create the commit
return self.repo.create_commit('HEAD', author, committer, message,
tree, parents)
def abort_transaction(self):
# TODO: Remove created blobs
pass
class DictRepository(object):
"""The :class:`DictRepository <DictRepository>` object.
:param repo_or_path:
The path to a repository, or an existing pygit2.Repository object.
If it is a path that does not exist, a new bare git repository will
be initialized there. If it is a path that does exist, then the
directory will be used as a bare git repository.
:type repo_or_path: string or pygit2.Repository
"""
def __init__(self, repo_or_path=None):
self._default_author = get_default_author()
if isinstance(repo_or_path, Repository):
self._repo = repo_or_path
elif os.path.isdir(repo_or_path):
self._repo = Repository(repo_or_path)
else:
self._repo = init_repository(repo_or_path, True) # bare repo
def _key_to_ref(self, key):
return "refs/%s/HEAD" % key
def get_commit_oid_for_key(self, key):
return self._repo[self._repo.lookup_reference(self._key_to_ref(key)).oid].oid
def get_raw_dict_for_commit_oid(self, commit_oid):
return json.loads(self._repo[self._repo[commit_oid].tree[DATA].oid].data)
def get_parent_oids_for_commit_oid(self, commit_oid):
return [parent.oid for parent in self._repo[commit_oid].parents]
def raw_commit(self, key, raw_dict, author, committer, message, parents):
"""Commit a dict to this :class:`DictRepository <DictRepository>`.
It is recommended that you use the :class:`GitDict <GitDict>` commit
method instead.
:param raw_dict: the data to commit.
:type raw_dict: dict
:param author:
The author of the commit. If None, will be replaced with default.
:type author: pygit2.Signature
:param committer:
The committer of this commit. If None, will be replaced with author.
:type committer: pygit2.Signature
:param message: The commit message.
:type message: string
:param parents:
A list of 20-byte object IDs of parent commits. An empty list
means this is the first commit.
:return: The oid of the new commit.
:rtype: 20 bytes
"""
if not isinstance(raw_dict, dict):
raise ValueError("%s is not a dict" % raw_dict)
author = author or self._default_author.signature()
committer = committer or author
blob_id = self._repo.write(GIT_OBJ_BLOB, json.dumps(raw_dict))
# TreeBuilder doesn't support inserting into trees, so we roll our own
tree_id = self._repo.write(GIT_OBJ_TREE, "100644 %s\x00%s" % (DATA, blob_id))
return self._repo.create_commit(self._key_to_ref(key), author, committer, message, tree_id, parents)
def create(self, key, dict={}, autocommit=False, message="first commit", author=None, committer=None):
"""Create a new :class:`GitDict <GitDict>`
:param key: The key of the new :class:`GitDict <GitDict>`
:type key: :class:`GitDict <GitDict>`
:param dict: (optional) The value of the dict. Defaults to empty.
:type dict: dict
:param autocommit:
(optional) Whether the :class:`GitDict <GitDict>` should
automatically commit. Defaults to false.
:type autocommit: boolean
:param message:
(optional) Message for first commit. Defaults to "first commit".
:type message: string
:param author:
(optional) The signature for the author of the first commit.
Defaults to global author.
:type author: pygit2.Signature
:param committer:
(optional) The signature for the committer of the first commit.
Defaults to author.
:type author: pygit2.Signature
:returns: the GitDict
:rtype: :class:`GitDict <GitDict>`
"""
self.raw_commit(key, dict, author, committer, message, [])
return self.get(key, autocommit=autocommit)
def has(self, key):
"""Determine whether there is an entry for key in this repository.
:param key: The key to check
:type key: string
:returns: whether there is an entry
:rtype: boolean
"""
try:
self._repo.lookup_reference(self._key_to_ref(key))
return True
except KeyError:
return False
def get(self, key, autocommit=False):
"""Obtain the :class:`GitDict <GitDict>` for a key.
:param key: The key to look up.
:type key: string
:param autocommit:
(optional) Whether the :class:`GitDict <GitDict>` should
automatically commit. Defaults to false.
:type autocommit: boolean
:returns: the GitDict
:rtype: :class:`GitDict <GitDict>`
:raises: KeyError if there is no entry for key
"""
return GitDict(self, key, autocommit=autocommit)
def fast_forward(self, from_dict, to_dict):
"""Fast forward a :class:`GitDict <GitDict>`.
:param from_dict: the :class:`GitDict <GitDict>` to fast forward.
:type from_dict: :class:`GitDict <GitDict>`
:param to_dict: the :class:`GitDict <GitDict>`to fast forward to.
:type to_dict: :class:`GitDict <GitDict>`
"""
from_ref = self._key_to_ref(from_dict.key)
self._repo.lookup_reference(from_ref).delete()
self._repo.create_reference(from_ref, self.get_commit_oid_for_key(to_dict.key))
def clone(self, original, key):
"""Clone a :class:`GitDict <GitDict>`.
:param original: the :class:`GitDict <GitDict>` to clone
:type original: :class:`GitDict <GitDict>`
:param key: where to clone to
:type key: string
:raises: ValueError if to_key already exists.
"""
try:
self._repo.create_reference(self._key_to_ref(key), self.get_commit_oid_for_key(original.key))
return self.get(key, autocommit=original.autocommit)
except GitError:
raise ValueError("Cannot clone to %s, there is already a dict there." % key)
class GitDict():
'''
A python dict, stored in git so it can be larger than memory and yet accessed for
reading and writing efficiently. Keys and values are git objects. The collection of
key-value pairs is stored in a one level hierarchy of pages (git objects) that are
indexed by a page table (also a git object).
'''
def __init__(self,
dir_,
name,
log=None,
do_create=False,
refs_ns='tags',
h_order=3):
self.dir_ = dir_
self.name = name
self.name_size = name + '.size'
self.name_items = name + '.items'
self.log = log or print
self.refs_ns = refs_ns
self.h_order = h_order
self.h_key_len = ((7 * h_order // 8) + 1) * 2
try:
self.repo = Repository(dir_)
except GitError as e:
if do_create:
self.repo = init_repository(dir_, bare=True)
else:
raise e
self.none = self.repo.write(GIT_OBJ_BLOB, '')
self._init()
def __repr__(self):
return f'GitDict("{self.dir_}", "{self.name}")'
def _lookup_reference(self, name):
return self.repo.lookup_reference(f'refs/{self.refs_ns}/{name}')
def _set_reference(self, name, target):
try:
self._lookup_reference(name).set_target(target)
except KeyError:
self.repo.references.create(f'refs/{self.refs_ns}/{name}', target)
def _init(self):
self._set_reference(self.name_size, self.repo.write(GIT_OBJ_BLOB, '0'))
self.items_table = PageTable()
@property
def items_table(self):
return PageTable(self.repo[self._lookup_reference(
self.name_items).target].data)
@items_table.setter
def items_table(self, table):
self._set_reference(self.name_items,
self.repo.write(GIT_OBJ_BLOB, table.data))
def __len__(self):
return int(self.repo[self._lookup_reference(self.name_size).target])
def _inc_size(self):
new_size = self.repo.write(GIT_OBJ_BLOB, str(len(self) + 1))
self._set_reference(self.name_size, new_size)
def __contains__(self, key):
return True if self.get(key) is not None else False
def get(self, key, default=None):
try:
return self[key]
except KeyError:
return default
def _key_oid_and_h_key(self, oid):
return oid.raw, int(oid.hex[:self.h_key_len], 16)
@staticmethod
def _entry_no(h_key, level):
return (h_key >> (7 * level)) & 127
def _get_page(self, h_key, table=None):
table = table or self.items_table
entry_no = self._entry_no(h_key, 0)
try:
return ItemPage(self.repo[Oid(table[entry_no])].data)
except TypeError:
return ItemPage()
def __getitem__(self, key):
key_oid, h_key = self._key_oid_and_h_key(pyghash(key))
page = self._get_page(h_key)
value_oid = page[key_oid]
return self.repo[Oid(value_oid)].data
def __setitem__(self, key, value):
key_oid, h_key = self._key_oid_and_h_key(
self.repo.write(GIT_OBJ_BLOB, key))
value_oid = self.repo.write(GIT_OBJ_BLOB, value).raw
table = self.items_table
page = self._get_page(h_key, table)
if key_oid in page:
return
page[key_oid] = value_oid
page_oid = self.repo.write(GIT_OBJ_BLOB, page.data).raw
entry_no = self._entry_no(h_key, 0)
table[entry_no] = page_oid
self.items_table = table
self._inc_size()
def report(self):
self.log(f'{repr(self)}: contains {len(self)} elements.')
def keys(self):
table = self.items_table
keys = []
for k in range(table.TABLE_SIZE):
if table[k] != table.EMPTY_PAGE_ID:
page = ItemPage(self.repo[Oid(table[k])].data)
for key in page.keys():
keys.append(self.repo[Oid(key)].data)
return keys
parser.add_argument("-f",
"--finish",
help="full commit id to end with",
type=str)
args = parser.parse_args()
if args.path:
# verify path existence
if path.exists(args.path) and args.path.endswith('.git'):
proj_path = args.path[:-4]
repo = Repository(args.path)
if args.branch and args.branch in list(repo.branches.local):
branch = repo.lookup_branch(
list(repo.branches.local)[list(repo.branches.local).index(
args.branch)])
ref = repo.lookup_reference(branch.name)
repo.checkout(ref)
print('Current Branch:')
print(repo.head.shorthand)
if args.list:
pprint.pprint(get_commit_id_list(args.finish, args.start))
if args.start and args.finish:
pprint.pprint(
git_perform_analysis(args.start, args.finish,
proj_path))
else:
# pyprint avaliable branches
print('Specify one of local avaliable local branches:')
print(*list(repo.branches.local), sep="\n")
else:
print('path ether not exis or it\'s not a repo')
conn.commit()
# Loop through the projects in the config file
for repo_name in config.sections():
# Attempt to open an existing local repo
try:
local_dir = os.path.join(base_path, 'repos', repo_name + '.git')
repo = Repository(local_dir)
# Fetch the latest commits (equivalent to "git fetch origin")
progress = repo.remotes["origin"].fetch()
# Update HEAD with the new commits (equivalent to "git update-ref HEAD FETCH_HEAD")
head = repo.head
fetch_head = repo.lookup_reference('FETCH_HEAD')
new_head = head.set_target(fetch_head.target)
# Notice new branches added to the origin
os.chdir(local_dir)
update_result = subprocess.call(["git", "remote", "update", "origin"])
# Prune local branches no longer present on the origin
prune_result = subprocess.call(["git", "remote", "prune", "origin"])
# Run git gc, to stop potential unlimited repo growth from accumulating dead objects over time
gc_result = subprocess.call(["git", "gc"])
except KeyError:
# Opening a local repo failed, so we assume it's not been cloned yet. Do the cloning now
class GitMiner(BaseMiner):
Id_Name_Login = namedtuple("Id_Name_Login", ["id", "name", "login"])
Code_Change = namedtuple("Code_Change", ["commit_id", "filename"])
def __init__(self, args):
super().__init__(args)
self._initialise_db()
if args.dbms == "sqlite":
self._conn.execute("PRAGMA foreign_keys=ON")
self.email_map = {}
self.commit_id = {}
self.id_commit = {}
self.code_change_map = {}
self.__init_user_emails()
self._dump_repository()
self.aio = args.aio
if self.aio:
self._create_loop()
self.repo = Repository(args.path)
self._fetch_references()
self._dump_tags()
self._fetch_commit_ids()
def _create_loop(self):
self.loop = asyncio.new_event_loop()
def load_from_file(self, file):
pass
def dump_to_file(self, path):
pass
def __init_user_emails(self):
res = self.execute_query(
"""
SELECT email, id, login, name
FROM contributors
WHERE email IS NOT NULL
"""
).fetchall()
for row in res:
self.email_map[row[0]] = self.Id_Name_Login(id=row[1], name=row[2], login=row[3])
def __init_code_change(self):
res = self.execute_query(
"""
SELECT id, commit_id, filename
FROM code_change
"""
).fetchall()
for row in res:
self.code_change_map[self.Code_Change(commit_id=row[1], filename=row[2])] = row[0]
def _dump_repository(self):
logger.info("Dumping Repository...")
res = self.execute_query(
f"""
SELECT repo_id
FROM repository
WHERE name="{self.repo_name}" and owner="{self.repo_owner}"
"""
).fetchone()
if res:
self._set_repo_id(res[0])
else:
repo = RepositoryStruct(
name=self.repo_name,
owner=self.repo_owner
).process()
obj = self.db_schema.repository_object(
name=self.repo_name,
owner=self.repo_owner,
created_at=repo.created_at,
updated_at=repo.updated_at,
description=repo.description,
disk_usage=repo.disk_usage,
fork_count=repo.fork_count,
url=repo.url,
homepage_url=repo.homepage_url,
primary_language=repo.primary_language,
total_stargazers=repo.stargazer_count,
total_watchers=repo.watcher_count,
forked_from=repo.forked_from
)
self._insert(self.db_schema.repository.insert(), obj)
self._set_repo_id()
def _fetch_references(self):
self.tags, self.branches = [], {}
for reference in self.repo.listall_references():
if 'refs/tags' in reference:
self.tags.append(reference)
else:
self.branches[reference] = self.repo.lookup_reference(reference).peel().oid
def _dump_tags(self):
objects = []
for tag in self.tags:
ref = self.repo.lookup_reference(tag)
tag_obj = self.repo[ref.target.hex]
if isinstance(tag_obj, Tag):
name = tag_obj.name
msg = tag_obj.message
tagged_object = tag_obj.hex
tagger = self.__get_user_id(name=tag_obj.tagger.name, email=tag_obj.tagger.email, oid=tagged_object,
is_author=False, is_tagger=True)
else:
name = tag.split('/')[-1]
msg = tag_obj.message
tagged_object = tag_obj.hex
tagger = self.__get_user_id(name=tag_obj.author.name, email=tag_obj.author.email, oid=tagged_object,
is_author=True, is_tagger=False)
obj = self.db_schema.tags_object(
name=name,
tagged_object=tagged_object,
message=msg,
tagger=tagger
)
objects.append(obj)
self._insert(object_=self.db_schema.tags.insert(), param=objects)
@staticmethod
def __get_status(status):
if status == 1:
return 'ADDED'
elif status == 2:
return 'DELETED'
elif status == 3:
return 'MODIFIED'
elif status == 4:
return 'RENAMED'
elif status == 5:
return 'COPIED'
elif status == 6:
return 'IGNORED'
elif status == 7:
return 'UNTRACKED'
elif status == 8:
return 'TYPECHANGED'
else:
return None
def __init_commits(self, inverse=False):
if not inverse:
res = self.execute_query(
f"""
SELECT oid, id
FROM commits
WHERE repo_id={self.repo_id}
"""
).fetchall()
for row in res:
self.commit_id[row[0]] = row[1]
else:
res = self._conn.execute(
f"""
SELECT id, oid
FROM commits
WHERE repo_id={self.repo_id}
"""
).fetchall()
for row in res:
self.id_commit[row[0]] = row[1]
def __get_commit_id(self, oid, pk=None):
if not pk:
try:
return self.commit_id[oid]
except KeyError:
return None
else:
try:
return self.id_commit[pk]
except KeyError:
self.__init_commits(inverse=True)
res = self.__get_commit_id(oid=None, pk=pk)
if not res:
raise Exception(f"GitMiner => __get_commit_id: Pk {pk} does not exist!")
else:
return res
def __check_user_id(self, email):
try:
map_ = self.email_map[email]
return [map_.id, map_.login, map_.name]
except KeyError:
res = self.execute_query(
f"""
SELECT id, login, name
FROM contributors
WHERE email="{email}"
"""
).fetchone()
if res:
self.email_map[email] = self.Id_Name_Login(id=res[0], login=res[1], name=res[2])
return res
def __update_contributor(self, name, id_, login, email):
name = name.replace('"', '""')
self.execute_query(
f"""
UPDATE contributors
SET name="{name}"
WHERE id={id_}
"""
)
self.email_map[email] = self.Id_Name_Login(id=id_, login=login, name=name)
def __get_user_id(self, name, email, oid, is_author, is_tagger):
if not email:
email = None
if not name:
name = None
res = self.__check_user_id(email)
if not res:
user = CommitUserStruct(
oid=oid,
repo_name=self.repo_name,
repo_owner=self.repo_owner,
name=name,
email=email,
is_author=is_author,
is_tagger=is_tagger
).process()
if user is None:
self._dump_anon_user_object(name=name, email=email, object_=self.db_schema.contributors.insert(),
locked_insert=LOCKED)
else:
self._dump_user_object(login=None, user_object=user, object_=self.db_schema.contributors.insert(),
locked_insert=LOCKED)
return self.__get_user_id(name=name, email=email, oid=oid, is_author=is_author, is_tagger=is_tagger)
else:
if name == res[2]:
return res[0]
elif name == res[1]:
return res[0]
else:
self.__update_contributor(name=name, id_=res[0], login=res[1], email=email)
return res[0]
def _dump_code_change(self, oid):
commit = self.repo.get(oid)
commit_id = self.__get_commit_id(oid)
logger.debug(f"Dumping Code Change for commit_id -> {commit_id}...")
code_change = []
if commit:
if not commit.parents:
diffs = [self.repo.diff("4b825dc642cb6eb9a060e54bf8d69288fbee4904", commit)]
else:
diffs = [self.repo.diff(i, commit) for i in commit.parents]
total_diffs = len(diffs)
for diff in diffs:
logger.debug(f"Remaining: {total_diffs}")
total_diffs -= 1
for patch in diff:
obj = self.db_schema.code_change_object(
repo_id=self.repo_id,
commit_id=commit_id,
filename=patch.delta.new_file.path,
additions=patch.line_stats[1],
deletions=patch.line_stats[2],
changes=patch.line_stats[1] + patch.line_stats[2],
change_type=self.__get_status(patch.delta.status)
)
code_change.append(obj)
self._insert(object_=self.db_schema.code_change.insert(), param=code_change)
logger.debug(f"Successfully dumped code change for {oid}!")
def __get_code_change_id(self, commit_id, filename):
try:
return self.code_change_map[self.Code_Change(commit_id=commit_id, filename=filename)]
except KeyError:
return Exception(f"GitMiner => __get_code_change_id: Object does not exist! commit_id={commit_id}, "
f"filename:{filename}")
def _dump_patches(self, oid):
commit = self.repo.get(oid)
commit_id = self.__get_commit_id(oid)
logger.debug(f"Dumping Patch for commit_id -> {commit_id}...")
patches = []
if not commit.parents:
diffs = [self.repo.diff("4b825dc642cb6eb9a060e54bf8d69288fbee4904", commit)]
else:
diffs = [self.repo.diff(i, commit) for i in commit.parents]
total_diffs = len(diffs)
for diff in diffs:
logger.debug(f"Remaining: {total_diffs}")
total_diffs -= 1
for patch in diff:
obj = self.db_schema.patches_object(
code_change_id=self.__get_code_change_id(commit_id, patch.delta.new_file.path),
patch=patch.patch
)
patches.append(obj)
self._insert(object_=self.db_schema.patches.insert(), param=patches)
logger.debug(f"Successfully dumped patch for {oid}!")
def _dump_commit(self, oid):
logger.debug(f"Inserting for commit: {oid}...")
commit = self.repo.get(oid)
if not commit.parents:
diffs = [self.repo.diff("4b825dc642cb6eb9a060e54bf8d69288fbee4904", commit)]
else:
diffs = [self.repo.diff(i, commit) for i in commit.parents]
num_files_changed = 0
additions, deletions = 0, 0
for diff in diffs:
num_files_changed += diff.stats.files_changed
additions += diff.stats.insertions
deletions += diff.stats.deletions
author_name = commit.author.name
author_email = commit.author.email
author_id = self.__get_user_id(name=author_name, email=author_email, oid=oid.hex, is_author=True,
is_tagger=False) if \
author_email.strip() else None
authored_date = datetime.fromtimestamp(commit.author.time)
committer_name = commit.committer.name
committer_email = commit.committer.email
if committer_email == "*****@*****.**":
committer_id = author_id
else:
committer_id = self.__get_user_id(name=committer_name, email=committer_email, oid=oid.hex,
is_author=False, is_tagger=False) if committer_email.strip() else None
committed_date = datetime.fromtimestamp(commit.commit_time)
message = commit.message
if len(commit.parents) > 1:
is_merge = 1
else:
is_merge = 0
obj = self.db_schema.commits_object(
repo_id=self.repo_id,
oid=oid.hex,
additions=additions,
deletions=deletions,
author_id=author_id,
authored_date=authored_date,
committer_id=committer_id,
committer_date=committed_date,
message=message,
num_files_changed=num_files_changed,
is_merge=is_merge
)
self._insert(object_=self.db_schema.commits.insert(), param=obj)
logger.debug(f"Successfully dumped commit: {oid.hex}")
def __fetch_branch_commits(self, branch_target):
logger.info(f"Ongoing Branch {branch_target[0]}...")
for commit in self.repo.walk(branch_target[1], GIT_SORT_TOPOLOGICAL | GIT_SORT_TIME):
if commit.oid not in self.commits:
self.commits.add(commit.oid)
else:
break
def _fetch_commit_ids(self):
try:
with open(f"{ROOT}/.gras-cache/{self.repo_name}_commits.txt", "rb") as fp:
self.commits = pickle.load(fp)
self.commits = [Oid(hex=x) for x in self.commits]
logger.info(f"TOTAL COMMITS: {len(self.commits)}")
return self.commits
except FileNotFoundError:
logger.error("Commits file not present, dumping...")
self.commits = set()
with concurrent.futures.ThreadPoolExecutor(max_workers=THREADS) as executor:
process = {executor.submit(self.__fetch_branch_commits, branch_target): branch_target for branch_target
in self.branches.items()}
for future in concurrent.futures.as_completed(process):
branch_target = process[future]
logger.info(f"Fetched for {branch_target[0]}, Total: {len(self.commits)}")
logger.info(f"TOTAL COMMITS: {len(self.commits)}")
with open(f"{ROOT}/.gras-cache/{self.repo_name}_commits.txt", "wb") as fp:
temp = [x.hex for x in self.commits]
pickle.dump(temp, fp)
del temp
@timing(name="commits", is_stage=True)
def _parse_commits(self):
res = self.execute_query(
f"""
SELECT DISTINCT oid
FROM commits
"""
).fetchall()
dumped_commits = [x[0] for x in res]
del res
commits = list(self.commits)
for i in range(0, len(commits), THREADS):
proc = [mp.Process(target=self._dump_commit, args=(oid,)) for oid in commits[i:i + THREADS] if
oid.hex not in dumped_commits]
for p in proc:
p.start()
while any([p.is_alive() for p in proc]):
continue
@timing(name="code change", is_stage=True)
def _parse_code_change(self):
id_oid = self.execute_query(
f"""
SELECT id, oid
FROM commits
"""
).fetchall()
dumped_ids = self.execute_query(
f"""
SELECT DISTINCT commit_id
FROM code_change
"""
).fetchall()
dumped_ids = [x[0] for x in dumped_ids]
not_dumped_commits = [x[1] for x in id_oid if x[0] not in dumped_ids]
del dumped_ids
del id_oid
for i in range(0, len(not_dumped_commits), THREADS):
proc = [mp.Process(target=self._dump_code_change, args=(oid,)) for oid in
not_dumped_commits[i: i + THREADS]]
for p in proc:
p.start()
while any([x.is_alive() for x in proc]):
continue
@timing(name="patches", is_stage=True)
def _parse_patches(self):
self.__init_commits(inverse=True)
res = self.execute_query(
f"""
SELECT id, commit_id
FROM code_change
"""
).fetchall()
cc_commit = {}
for row in res:
cc_commit[row[0]] = row[1]
res = self.execute_query(
"""
SELECT code_change_id
FROM patches
"""
)
not_dumped_commits = set(cc_commit.values()).difference({cc_commit[x[0]] for x in res})
not_dumped_commits = sorted([self.id_commit[id_] for id_ in not_dumped_commits])
del cc_commit
for i in range(0, len(not_dumped_commits), THREADS):
proc = [mp.Process(target=self._dump_code_change, args=(oid,)) for oid in
not_dumped_commits[i: i + THREADS]]
for p in proc:
p.start()
while any([x.is_alive() for x in proc]):
continue
@timing(name="async -> commits", is_stage=True)
async def _async_parse_commits(self):
loop = asyncio.get_event_loop()
tasks = [loop.run_in_executor(self.executor, self._dump_commit, oid) for oid in self.commits]
completed, _ = await asyncio.wait(tasks)
for t in completed:
logger.info(f"Dumped commit: {t.result()}")
@timing(name="async -> code change", is_stage=True)
async def _async_parse_code_change(self):
loop = asyncio.get_event_loop()
tasks = [loop.run_in_executor(self.executor, self._dump_code_change, oid) for oid in self.commits]
completed, _ = await asyncio.wait(tasks)
for t in completed:
logger.info(f"Dumped Code Change for commit: {t.result()}")
def process(self):
if self.aio:
self.loop.run_until_complete(self._parse_commits())
self.loop.run_until_complete(self._parse_code_change())
else:
# self._parse_commits()
self.__init_commits()
self._parse_code_change()
# self._parse_patches()
def __del__(self):
if self.aio:
self.loop.close()
class GitStorage(BaseStorage):
_backend = None
def __init__(self, context, repo_path=None):
self.context = context
rp = IStorageInfo(context).path
try:
self.repo = Repository(discover_repository(rp))
except KeyError:
# discover_repository may have failed.
raise PathNotFoundError('repository does not exist at path')
self.checkout() # defaults to HEAD.
@property
def empty_root(self):
return {'': '_empty_root'}
def _get_empty_root(self):
return self.empty_root
def _get_obj(self, path, cls=None):
if path == '' and self._commit is None:
# special case
return self._get_empty_root()
if self._commit is None:
raise PathNotFoundError('repository is empty')
root = self._commit.tree
try:
breadcrumbs = []
fragments = list(reversed(path.split('/')))
node = root
oid = None
while fragments:
fragment = fragments.pop()
if not fragment == '':
# no empty string entries, also skips over '//' and
# leaves the final node (if directory) as the tree.
oid = node[fragment].oid
node = self.repo.get(oid)
breadcrumbs.append(fragment)
if node is None:
# strange. Looks like it's either submodules only
# have entry nodes or pygit2 doesn't fully support
# this. Try to manually resolve the .gitmodules
# file.
if cls is None:
# Only return this if a specific type was not
# expected.
submods = parse_gitmodules(self.repo.get(
root[GIT_MODULE_FILE].oid).data)
submod = submods.get('/'.join(breadcrumbs))
if submod:
fragments.reverse()
return {
'': '_subrepo',
'location': submod,
'path': '/'.join(fragments),
'rev': oid.hex,
}
if node and (cls is None or isinstance(node, cls)):
return node
except KeyError:
# can't find what is needed in repo, raised by pygit2
raise PathNotFoundError('path not found')
# not what we were looking for.
if cls == Tree:
raise PathNotDirError('path not dir')
elif cls == Blob:
raise PathNotFileError('path not file')
raise PathNotFoundError('path not found')
@property
def _commit(self):
return self.__commit
@property
def rev(self):
if self.__commit:
return self.__commit.hex
return None
@property
def shortrev(self):
# TODO this is an interim solution.
if self.rev:
return self.rev[:12]
def basename(self, name):
return name.split('/')[-1]
def checkout(self, rev=None):
# None maps to the default revision.
if rev is None:
rev = 'HEAD'
try:
self.__commit = self.repo.revparse_single(rev)
except KeyError:
if rev == 'HEAD':
# probably a new repo.
self.__commit = None
return
raise RevisionNotFoundError('revision %s not found' % rev)
# otherwise a RevisionNotFoundError should be raised.
def files(self):
def _files(tree, current_path=None):
results = []
for node in tree:
if current_path:
name = '/'.join([current_path, node.name])
else:
name = node.name
obj = self.repo.get(node.oid)
if isinstance(obj, Blob):
results.append(name)
elif isinstance(obj, Tree):
results.extend(_files(obj, name))
return results
if not self._commit:
return []
results = _files(self._commit.tree)
return results
def file(self, path):
return self._get_obj(path, Blob).data
def listdir(self, path):
if path:
tree = self._get_obj(path, Tree)
else:
if self._commit is None:
return []
tree = self._commit.tree
return [entry.name for entry in tree]
def format(self, **kw):
# XXX backwards compatibility??
return kw
def log(self, start, count, branch=None, shortlog=False):
"""
start and branch are literally the same thing.
"""
def _log(iterator):
for pos, commit in iterator:
if pos == count:
raise StopIteration
yield {
'author': commit.committer.name,
'email': self._commit.committer.email,
'date': self.strftime(committer_dt(commit.committer)),
'node': commit.hex,
'rev': commit.hex,
'desc': commit.message
}
if start is None:
# assumption.
start = 'HEAD'
try:
self.repo.revparse_single(start)
except KeyError:
return []
try:
rev = self.repo.revparse_single(start).hex
except KeyError:
raise RevisionNotFoundError('revision %s not found' % start)
iterator = enumerate(self.repo.walk(rev, GIT_SORT_TIME))
return list(_log(iterator))
def pathinfo(self, path):
obj = self._get_obj(path)
if isinstance(obj, Blob):
return self.format(**{
'type': 'file',
'basename': self.basename(path),
'size': obj.size,
'date': self.strftime(committer_dt(self._commit.committer)),
})
elif isinstance(obj, dict):
# special cases are represented as dict.
if obj[''] == '_subrepo':
return self.format(**{
'type': 'subrepo',
'date': '',
'size': 0,
'basename': self.basename(path),
# extra field.
'obj': obj,
})
elif obj[''] == '_empty_root':
return self.format(**{
'type': 'folder',
'date': '',
'size': 0,
'basename': self.basename(path),
})
# Assume this is a Tree.
return self.format(**{
'basename': self.basename(path),
'size': 0,
'type': 'folder',
'date': '',
})
def branches(self):
return tuple(
(b, self.repo.lookup_branch(b).target.hex)
for b in self.repo.listall_branches()
)
def tags(self):
return tuple(
(b[10:], self.repo.lookup_reference(b).target.hex)
for b in self.repo.listall_references()
if b.startswith('refs/tags')
)
class GitRepo(object):
''' git repo class '''
def __init__(self, path):
try:
self.__repo = Repository(path)
except Exception as e:
self.__repo = None
print(e)
def get_info(self):
if not self.__repo:
return None
signature = self.__repo.default_signature
result = {
'path': self.__repo.path,
'workdir': self.__repo.workdir,
'bare': self.__repo.is_bare,
'empty': self.__repo.is_empty,
'name': signature.name,
'email': signature.email,
'time': signature.time,
'offset': signature.offset,
}
return result
def get_all_references(self):
return self.__repo.listall_references()
def get_reference(self, name):
if not self.__repo:
return None
ref = None
try:
ref = self.__repo.lookup_reference(name)
except Exception as e:
print(e)
return ref
def get_all_branches(self, branch_type=None):
if not self.__repo:
return None
if branch_type:
return self.__repo.listall_branches(branch_type)
r = self.__repo.listall_branches(GIT_BRANCH_LOCAL | GIT_BRANCH_REMOTE)
return r
def get_branch(self, name, branch_type=GIT_BRANCH_LOCAL):
if not self.__repo:
return None
return self.__repo.lookup_branch(name, branch_type)
def check_branch(self, name, branch_type=None):
if not branch_type:
if '/' in name:
branch_type = GIT_BRANCH_REMOTE
else:
branch_type = GIT_BRANCH_LOCAL
try:
result = self.get_branch(name, branch_type)
return result
except Exception as e:
print(e)
return False
def get_current_commit(self):
if not self.__repo:
return None
commit = self.__repo.revparse_single('HEAD')
return self.get_commit(commit)
def get_commit_by_branch(self, branch):
if not self.__repo:
return None
query = 'refs/'
if hasattr(branch, 'remote_name'):
query += 'remotes/'
else:
query += 'heads/'
query += branch.branch_name
try:
ref = self.get_reference(query)
commit = ref.target
return self.get_commit(commit)
except Exception as e:
print(e)
return None
def get_commit_by_tag(self, tag):
if self.__repo is None:
return None
if tag:
commit = tag.get_object()
return self.get_commit(commit)
return None
def get_commit(self, oid_or_commit):
''' return a commit w/ json '''
if not self.__repo or not oid_or_commit:
return None
try:
commit = oid_or_commit
if not isinstance(oid_or_commit, Commit):
commit = self.__repo.get(oid_or_commit)
if commit and commit.type == GIT_OBJ_COMMIT:
# t1 = self.__repo.revparse_single('HEAD^')
# t2 = self.__repo.revparse_single('HEAD^^')
# patches = self.__repo.diff(t1, t2)
# for p in patches:
# print(p.new_file_path)
result = {
'id': str(commit.id),
'author': commit.author.name,
'commiter': commit.committer.name,
'message': commit.message,
'message_encoding': commit.message_encoding,
'tree': str(commit.tree_id),
'parent': [str(pid) for pid in commit.parent_ids],
'time': str(commit.commit_time),
'time_offset': str(commit.commit_time_offset),
}
return result
except Exception as e:
print(e)
return None
def get_commits(self, depth=10, oid_or_commit=None):
result = []
if depth == 0:
return result
if oid_or_commit:
commit = self.get_commit(oid_or_commit)
else:
commit = self.get_current_commit()
if not commit:
return result
# TODO: starting from a commit or its parent
# TODO: author
result.append(commit)
depth -= 1
if commit and commit['parent']:
for parent in commit['parent']:
result.extend(self.get_commits(depth, parent))
return result
def get_commits_by_branch(self, name, path=None):
if not self.__repo:
return None
if self.check_branch(name):
ref = self.get_reference('refs/heads/' + name)
if ref:
commit = ref.target
commits = self.get_commits(commit)
result = {}
for key, val in commits.items():
if self.check_commit_by_path(val, path):
result[key] = val
return result
return None
def check_tag(self, name):
try:
ref = self.get_reference('refs/tags/' + name)
return ref
except Exception:
return False
def get_commits_by_tag(self, tag, path=None):
if not self.__repo:
return None
if tag:
commit = tag.target
commits = self.get_commits(commit)
result = {}
for key, val in commits.items():
if self.check_commit_by_path(val, path):
result[key] = val
return result
return None
def check_commit_by_path(self, commit, path):
if not commit:
return False
if path is None or len(path) == 0:
return True
result = self.get_tree(commit['tree'])
if not isinstance(path, list):
path = path.strip().split('/')
for name in path:
name = name.strip()
if name in result:
oid = result[name]
result = self.get_tree(oid)
if not result:
result = self.get_blob(oid)
return result is not None
def get_tree(self, oid, ppath=None):
if not self.__repo:
return None
try:
tree = self.__repo.get(oid)
if tree and tree.type == GIT_OBJ_TREE:
result = {}
for entry in tree:
item = {
'id': str(entry.id)
}
obj = self.__repo.get(entry.id)
if obj.type == GIT_OBJ_BLOB:
item['type'] = 'blob'
elif obj.type == GIT_OBJ_TREE:
item['type'] = 'tree'
item['ppath'] = ppath
result[entry.name] = item
return result
except Exception as e:
print(e)
return None
def get_tree_by_commit(self, commit, path=None):
if not commit:
return None
result = self.get_tree(commit['tree'])
if not path:
return result
# if not isinstance(path, list):
# path = path.strip().split('/')
try:
for name in path:
oid = result[name]['id']
p = result[name]['ppath']
p = name if not p else p + '/' + name
result = self.get_tree(oid, p)
if not result:
break
except Exception as e:
print(e)
result = None
return result
def get_current_root(self):
tree = self.get_current_commit()
if tree:
return self.get_tree(tree['tree'])
return None
def get_whole_tree(self, oid):
''' tree w/ json '''
if not self.__repo:
return None
result = tree_walker(self.__repo, oid)
return result
def get_blob(self, oid):
''' blob w/ json '''
if not self.__repo or not oid:
return None
try:
blob = self.__repo.get(oid)
if blob and blob.type == GIT_OBJ_BLOB:
content = blob.is_binary and None or blob.data.decode(
'utf8', 'ignore')
result = {
'id': str(blob.id),
'content': content,
'size': blob.size,
}
return result
except Exception as e:
print(e)
return None
def get_blob_by_commit(self, commit, path=None):
try:
tree = self.get_tree_by_commit(commit, path[:-1])
oid = tree[path[-1]]['id']
result = self.get_blob(oid)
return result
except Exception as e:
print(e)
return None
def get_tag(self, oid):
''' blob w/ json '''
if not self.__repo or not oid:
return None
try:
tag = self.__repo.get(oid)
if tag and tag.type == GIT_OBJ_TAG:
result = {
'id': str(oid),
'name': tag.name,
'target': str(tag.target.id),
'tagger': tag.tagger,
'message': tag.message,
}
return result
except Exception as e:
print(e)
return None
def get_patches(self, a=None, b=None):
try:
if not a:
a = 'HEAD'
if not b:
b = a + '^'
t1 = self.__repo.revparse_single(a)
t2 = self.__repo.revparse_single(b)
patches = self.__repo.diff(t1, t2)
result = []
for patch in patches:
p = {
'old_file_path': patch.old_file_path,
'new_file_path': patch.new_file_path,
'old_oid': str(patch.old_oid),
'new_oid': str(patch.new_oid),
'status': patch.status,
'similarity': patch.similarity,
'additions': patch.additions,
'deletions': patch.deletions,
'binary': patch.is_binary,
'hunks': [],
}
for hunk in patch.hunks:
h = {
'old_start': hunk.old_start,
'old_lines': hunk.old_lines,
'new_start': hunk.new_start,
'new_lines': hunk.new_lines,
'lines': hunk.lines,
}
p['hunks'].append(h)
result.append(p)
return result
except Exception as e:
print(e)
return None
class ChangeCtxDefault(ChangeCtx):
"""Class with the specific implementation details for the change context
of the default revision state of the repository. It inherits the common
implementation from the class :class:`ChangeCtxBase`.
"""
def __init__(self, repo_path):
self._repo_path = repo_path
self._repo = Repository(self._repo_path)
self._ctx = self._repo[self.revision_id]
@locked_cached_property
def files(self):
def r(_files, repo, tree, prefix=None):
for entry in tree:
obj = repo[entry.oid]
filename = prefix and (prefix + '/' + entry.name) or entry.name
if obj.type == GIT_OBJ_TREE:
r(_files, repo, obj, filename)
elif obj.type == GIT_OBJ_BLOB:
_files.append(filename)
else:
raise RuntimeError('Invalid object: %s' % filename)
f = []
r(f, self._repo, self._ctx.tree)
return sorted(f)
@locked_cached_property
def revision_id(self):
"""This property should be cached because the lookup_reference method
reloads itself.
"""
try:
ref = self._repo.lookup_reference('refs/heads/master')
except Exception:
raise RuntimeError('Branch "master" not found!')
return ref.target
def needs_reload(self):
try:
ref = self._repo.lookup_reference('refs/heads/master')
except Exception:
return True
return self.revision_id != ref.target
def filectx_needs_reload(self, filectx):
try:
ref = self._repo.lookup_reference('refs/heads/master')
except Exception:
raise RuntimeError('Branch "master" not found!')
return filectx._changectx.oid != ref.target
def published(self, date, now):
return date <= now
def etag(self, filectx):
return 'blohg-%i-%i-%s' % (filectx.mdate or filectx.date,
len(filectx.data), adler32(filectx.path)
& 0xffffffff)
def get_filectx(self, path):
return FileCtx(self._repo, self._ctx, path)
class Document(object):
'''
Class representing a document, interacts with the git
database
'''
def __init__( self, name, create=False, rootPath=None ):
'''
Constructor
Args:
name The name of the document
create If true, will create a document
rootPath The rootPath to use (if not supplied, uses default)
Exceptions:
RepoNotFound if repository isn't found
'''
if not rootPath:
rootPath = DEFAULT_ROOT_PATH
targetDir = os.path.join( rootPath, name + '.git' )
if create:
# Create a bare repository
self.repo = init_repository( targetDir, True )
self._CreateMasterBranch()
else:
try:
self.repo = Repository( targetDir )
except KeyError:
raise RepoNotFound()
def _CreateMasterBranch( self ):
'''
Creates the master branch on the repo w/ default file.
For now this is just a file named layout
'''
commitId = CommitBlob(
self.repo, '', SECTION_INDEX_FILENAME, 'Initial commit'
)
self.repo.create_reference( MASTER_REF, commitId )
@staticmethod
def _IsSectionRef( refName ):
'''
Checks if a refererence name refers to a section
Args:
refName: The reference name
Returns:
A boolean
'''
return refName.startswith( SECTION_REF_PREFIX )
@staticmethod
def _RefNameToSectionName( refName ):
'''
Converts a reference name to a section name
Args:
ref: The reference name
'''
return refName[ len(SECTION_REF_PREFIX) : ]
def _SectionRefs( self ):
'''
Gets an iterator over the section refs
'''
return (
(
self._RefNameToSectionName( ref ),
self.repo.lookup_reference( ref ),
)
for ref in self.repo.listall_references()
if self._IsSectionRef( ref )
)
def Sections( self ):
'''
Gets an iterator over all the sections
'''
return (
Section( name, self.repo[ref.oid], self.repo )
for name, ref in self._SectionRefs()
)
def CurrentSections( self ):
'''
Gets the current sections with their positions
Returns:
A list of tuples ( position, section )
'''
return enumerate( self._CurrentSections() )
def _CurrentSections( self ):
'''
Internal method to get the current sections
in order, without position numbers
Returns:
An iterator over the sections
'''
index = SectionIndex(self.repo)
for s in index.CurrentSections():
yield self.FindSection(s.name)
def FindSection( self, name ):
'''
Finds a section by name
Args:
name The name of the section to find
Returns:
The section if found
Exceptions:
SectionNotFound if section not found
'''
try:
ref = self.repo.lookup_reference(
SECTION_REF_PREFIX + name
)
except KeyError:
raise SectionNotFound()
return Section( name, self.repo[ref.oid], self.repo )
def AddSection( self, name, content='' ):
'''
Creates a new section
Args:
name The name of the section
content The optional initial content of the
section
Returns:
The new Section object
'''
# TODO: Should probably make
# sure no such section exists
commitId = CommitBlob(
self.repo,
content,
name,
'Created section ' + name
)
ref = self.repo.create_reference(
SECTION_REF_PREFIX + name,
commitId
)
index = SectionIndex(self.repo)
index.AddSection( name )
index.Save( self.repo )
return Section( name, self.repo[ ref.oid ], self.repo )
def RemoveSection( self, name ):
'''
Removes a section.
This function does not actually delete the data associated
with a section, it just removes it from the index.
Args:
name The name of the section to remove
'''
index = SectionIndex( self.repo )
index.RemoveSection( name )
index.Save( self.repo )
def get_default_branch(repo_path):
repo = Repository(repo_path)
return repo.lookup_reference('HEAD').target
def get_working_copy_tag(repo: pygit2.Repository) -> pygit2.Reference:
return repo.lookup_reference(WORKING_COPY_TAG_REF)
