def get_index(channel_urls=(), prepend=True, platform=None,
use_cache=False, unknown=False, offline=False,
prefix=None):
"""
Return the index of packages available on the channels
If prepend=False, only the channels passed in as arguments are used.
If platform=None, then the current platform is used.
If prefix is supplied, then the packages installed in that prefix are added.
"""
channel_urls = config.normalize_urls(channel_urls, platform, offline)
if prepend:
pri0 = max(itervalues(channel_urls)) if channel_urls else 0
for url, rec in iteritems(config.get_channel_urls(platform, offline)):
channel_urls[url] = (rec[0], rec[1] + pri0)
index = fetch_index(channel_urls, use_cache=use_cache, unknown=unknown)
if prefix:
for dist, info in iteritems(install.linked_data(prefix)):
fn = dist + '.tar.bz2'
channel = info.get('channel', '')
if channel not in channel_urls:
channel_urls[channel] = (config.canonical_channel_name(channel, True, True), 0)
url_s, priority = channel_urls[channel]
key = url_s + '::' + fn if url_s else fn
if key not in index:
# only if the package in not in the repodata, use local
# conda-meta (with 'depends' defaulting to [])
info.setdefault('depends', [])
info['fn'] = fn
info['schannel'] = url_s
info['channel'] = channel
info['url'] = channel + fn
info['priority'] = priority
index[key] = info
return index
def __init__(self, index, sort=False, processed=False):
self.index = index
if not processed:
for fkey, info in iteritems(index.copy()):
if fkey.endswith(']'):
continue
for fstr in chain(info.get('features', '').split(),
info.get('track_features', '').split(),
track_features or ()):
self.add_feature(fstr, group=False)
for fstr in iterkeys(info.get('with_features_depends', {})):
index['%s[%s]' % (fkey, fstr)] = info
self.add_feature(fstr, group=False)
groups = {}
trackers = {}
installed = set()
for fkey, info in iteritems(index):
groups.setdefault(info['name'], []).append(fkey)
for feat in info.get('track_features', '').split():
trackers.setdefault(feat, []).append(fkey)
if 'link' in info and not fkey.endswith(']'):
installed.add(fkey)
self.groups = groups
self.installed = installed
self.trackers = trackers
self.find_matches_ = {}
self.ms_depends_ = {}
if sort:
for name, group in iteritems(groups):
groups[name] = sorted(group, key=self.version_key, reverse=True)
def __init__(self, index, sort=False, processed=False):
if not processed:
for fkey, info in iteritems(index.copy()):
for fstr in chain(info.get('features', '').split(),
info.get('track_features', '').split()):
fpkg = fstr + '@'
if fpkg not in index:
index[fpkg] = {
'name': fpkg, 'channel': '@', 'priority': 0,
'version': '0', 'build_number': 0,
'build': '', 'depends': [], 'track_features': fstr}
for fstr in iterkeys(info.get('with_features_depends', {})):
index['%s[%s]' % (fkey, fstr)] = info
groups = {}
trackers = {}
installed = set()
for fkey, info in iteritems(index):
groups.setdefault(info['name'], []).append(fkey)
for feat in info.get('track_features', '').split():
trackers.setdefault(feat, []).append(fkey)
if 'link' in info:
installed.add(fkey)
self.index = index
self.groups = groups
self.installed = installed
self.trackers = trackers
self.find_matches_ = {}
self.ms_depends_ = {}
if sort:
for name, group in iteritems(groups):
groups[name] = sorted(group, key=self.version_key, reverse=True)
def gen_clauses(self, specs):
C = Clauses()
# Creates a variable that represents the proposition:
# Does the package set include package "fn"?
for name, group in iteritems(self.groups):
for fkey in group:
C.new_var(fkey)
# Install no more than one version of each package
C.Require(C.AtMostOne, group)
# Create an on/off variable for the entire group
name = self.ms_to_v(name)
C.name_var(C.Any(group, polarity=None, name=name), name+'?')
# Creates a variable that represents the proposition:
# Does the package set include track_feature "feat"?
for name, group in iteritems(self.trackers):
name = self.ms_to_v('@' + name)
C.name_var(C.Any(group, polarity=None, name=name), name+'?')
# Create propositions that assert:
# If package "fn" is installed, its dependencie must be satisfied
for group in itervalues(self.groups):
for fkey in group:
nkey = C.Not(fkey)
for ms in self.ms_depends(fkey):
if not ms.optional:
C.Require(C.Or, nkey, self.push_MatchSpec(C, ms))
return C
def gen_clauses(self, specs):
C = Clauses()
# Creates a variable that represents the proposition:
# Does the package set include package "fn"?
for name, group in iteritems(self.groups):
for fkey in group:
C.new_var(fkey)
# Install no more than one version of each package
C.Require(C.AtMostOne, group)
# Create an on/off variable for the entire group
name = self.ms_to_v(name)
C.name_var(C.Any(group, polarity=None, name=name), name+'?')
# Creates a variable that represents the proposition:
# Does the package set include track_feature "feat"?
for name, group in iteritems(self.trackers):
name = self.ms_to_v('@' + name)
C.name_var(C.Any(group, polarity=None, name=name), name+'?')
# Create propositions that assert:
# If package "fn" is installed, its dependencie must be satisfied
for group in itervalues(self.groups):
for fkey in group:
nkey = C.Not(fkey)
for ms in self.ms_depends(fkey):
if not ms.optional:
C.Require(C.Or, nkey, self.push_MatchSpec(C, ms))
return C
def __init__(self, index, sort=False, processed=False):
if not processed:
for fkey, info in iteritems(index.copy()):
for fstr in chain(info.get('features', '').split(),
info.get('track_features', '').split()):
fpkg = fstr + '@'
if fpkg not in index:
index[fpkg] = {
'name': fpkg, 'channel': '@', 'priority': 0,
'version': '0', 'build_number': 0,
'build': '', 'depends': [], 'track_features': fstr}
for fstr in iterkeys(info.get('with_features_depends', {})):
index['%s[%s]' % (fkey, fstr)] = info
groups = {}
trackers = {}
installed = set()
for fkey, info in iteritems(index):
groups.setdefault(info['name'], []).append(fkey)
for feat in info.get('track_features', '').split():
trackers.setdefault(feat, []).append(fkey)
if 'link' in info:
installed.add(fkey)
self.index = index
self.groups = groups
self.installed = installed
self.trackers = trackers
self.find_matches_ = {}
self.ms_depends_ = {}
if sort:
for name, group in iteritems(groups):
groups[name] = sorted(group, key=self.version_key, reverse=True)
def __init__(self, index, sort=False, processed=False):
if not processed:
for fkey, info in iteritems(index.copy()):
for fstr in iterkeys(info.get('with_features_depends', {})):
index['%s[%s]' % (fkey, fstr)] = info
groups = {}
trackers = {}
installed = set()
for fkey, info in iteritems(index):
groups.setdefault(info['name'], []).append(fkey)
for feat in info.get('track_features', '').split():
trackers.setdefault(feat, []).append(fkey)
if 'link' in info:
installed.add(fkey)
self.index = index
self.groups = groups
self.installed = installed
self.trackers = trackers
self.find_matches_ = {}
self.ms_depends_ = {}
if sort:
for name, group in iteritems(groups):
groups[name] = sorted(group, key=self.version_key, reverse=True)
def app_get_index(all_version=False):
"""
return the index of available applications on the channels
By default only the latest version of each app is included in the result,
unless all_version is set to True.
"""
import sys
pyxx = 'py%d%d' % sys.version_info[:2]
def filter_build(build):
return bool(pyxx in build) if 'py' in build else True
index = {fn: info for fn, info in iteritems(get_index())
if info.get('type') == 'app' and filter_build(info['build'])}
if all_version:
return index
d = defaultdict(list) # name -> list of Package objects
for fn, info in iteritems(index):
d[_name_fn(fn)].append(Package(fn, info))
res = {}
for pkgs in itervalues(d):
pkg = max(pkgs)
res[pkg.fn] = index[pkg.fn]
return res
def app_get_index(all_version=False):
"""
return the index of available applications on the channels
By default only the latest version of each app is included in the result,
unless all_version is set to True.
"""
import sys
pyxx = 'py%d%d' % sys.version_info[:2]
def filter_build(build):
return bool(pyxx in build) if 'py' in build else True
index = {fn: info for fn, info in iteritems(get_index())
if info.get('type') == 'app' and filter_build(info['build'])}
if all_version:
return index
d = defaultdict(list) # name -> list of Package objects
for fn, info in iteritems(index):
d[_name_fn(fn)].append(Package(fn, info))
res = {}
for pkgs in itervalues(d):
pkg = max(pkgs)
res[pkg.fn] = index[pkg.fn]
return res
def build_groups(index):
groups = {}
feats = {}
for fn, info in iteritems(index):
if fn[-1] == '@':
assert info['name'] == fn and info.get('track_features','') == fn[:-1]
feats[fn] = info
else:
groups.setdefault(info['name'],[]).append(fn)
for feat in info.get('track_features','').split():
groups.setdefault(feat + '@',[]).append(fn)
for fn, info in iteritems(feats):
groups.setdefault(fn,[]).append(fn)
return groups
def build_groups(index):
groups = {}
feats = {}
for fn, info in iteritems(index):
if fn[-1] == '@':
assert info['name'] == fn and info.get('track_features','') == fn[:-1]
feats[fn] = info
else:
groups.setdefault(info['name'],[]).append(fn)
for feat in info.get('track_features','').split():
groups.setdefault(feat + '@',[]).append(fn)
for fn, info in iteritems(feats):
groups.setdefault(fn,[]).append(fn)
return groups
def filter_group(matches):
# If we are here, then this dependency is mandatory,
# so add it to the master list. That way it is still
# participates in the pruning even if one of its
# parents is pruned away
match1 = next(ms for ms in matches)
isopt = all(ms.optional for ms in matches)
name = match1.name
isfeat = name[0] == '@'
first = name not in snames
if isfeat:
assert len(matches) == 1 and match1.strictness == 1
group = self.trackers.get(name[1:], [])
else:
group = self.groups.get(name, [])
# Prune packages that don't match any of the patterns
# or which have unsatisfiable dependencies
nold = nnew = 0
for fkey in group:
if filter.setdefault(fkey, True):
nold += 1
sat = isfeat or self.match_any(matches, fkey)
sat = sat and all(any(filter.get(f2, True) for f2 in self.find_matches(ms))
for ms in self.ms_depends(fkey))
filter[fkey] = sat
nnew += sat
# Quick exit if we detect unsatisfiability
reduced = nnew < nold
if reduced:
log.debug('%s: pruned from %d -> %d' % (name, nold, nnew))
if nnew == 0:
if name in snames:
snames.remove(name)
if not isopt:
raise BadPrune(name)
return nnew != 0
if not reduced and not first or isopt or isfeat:
return reduced
# Perform the same filtering steps on any dependencies shared across
# *all* packages in the group. Even if just one of the packages does
# not have a particular dependency, it must be ignored in this pass.
if first:
snames.add(name)
cdeps = defaultdict(list)
for fkey in group:
if filter[fkey]:
for m2 in self.ms_depends(fkey):
if m2.name[0] != '@' and not m2.optional:
cdeps[m2.name].append(m2)
cdeps = {mname: set(deps) for mname, deps in iteritems(cdeps) if len(deps) >= nnew}
if cdeps:
matches = [(ms,) for ms in matches]
if sum(filter_group(deps) for deps in itervalues(cdeps)):
reduced = True
return reduced
def compress_(chains, pfx):
if not chains:
return ()
chain0 = set()
sname = next(_[0] for _ in chains).split(' ', 1)[0]
cdict = defaultdict(set)
for c in chains:
if len(c) == 1:
chain0.add(c[0].partition(' ')[-1])
else:
cdict[c[-1]].add(c[1:-1])
res = []
for csuff, cmid in iteritems(cdict):
cname, _, cver = csuff.partition(' ')
if cmid is not None and (cname != sname or cver not in chain0):
cmid = sorted(cmid, key=len)
if len(cmid[0]) == 0:
c = (pfx, csuff)
elif len(cmid[0]) == 1:
mids = set(c[0] for c in cmid if len(c) == 1)
c = (pfx, ','.join(sorted(mids)), csuff)
else:
mids = set(c[0] for c in cmid)
c = (pfx, ','.join(sorted(mids)), '...', csuff)
res.append(c)
if chain0:
if '' in chain0:
res.append((sname,))
else:
res.append((sname + ' ' + '|'.join(sorted(chain0)),))
return sorted(res, key=lambda x: (len(x), x))
def launch(fn, prefix=config.root_dir, additional_args=None):
info = install.is_linked(prefix, fn[:-8])
if info is None:
return None
if not info.get("type") == "app":
raise Exception("Not an application: %s" % fn)
# prepend the bin directory to the path
fmt = r"%s\Scripts;%s" if sys.platform == "win32" else "%s/bin:%s"
env = {"PATH": fmt % (abspath(prefix), os.getenv("PATH"))}
# copy existing environment variables, but not anything with PATH in it
for k, v in iteritems(os.environ):
if "PATH" not in k:
env[k] = v
# allow updating environment variables from metadata
if "app_env" in info:
env.update(info["app_env"])
# call the entry command
args = info["app_entry"].split()
args = [a.replace("${PREFIX}", prefix) for a in args]
arg0 = find_executable(args[0], env["PATH"])
if arg0 is None:
raise Exception("Executable not found: %s" % args[0])
args[0] = arg0
cwd = abspath(expanduser("~"))
if additional_args:
args.extend(additional_args)
return subprocess.Popen(args, cwd=cwd, env=env)
def app_get_index():
"""
return the index of available applications on the channels
"""
index = get_index()
return {fn: info for fn, info in iteritems(index)
if info.get('type') == 'app'}
def get_index(channel_urls=(), prepend=True, platform=None,
use_cache=False, unknown=False, offline=False,
prefix=None):
"""
Return the index of packages available on the channels
If prepend=False, only the channels passed in as arguments are used.
If platform=None, then the current platform is used.
If prefix is supplied, then the packages installed in that prefix are added.
"""
channel_urls = config.normalize_urls(channel_urls, platform=platform)
if prepend:
channel_urls += config.get_channel_urls(platform=platform)
if offline:
channel_urls = [url for url in channel_urls if url.startswith('file:')]
index = fetch_index(tuple(channel_urls), use_cache=use_cache,
unknown=unknown)
if prefix:
for dist, info in iteritems(install.linked_data(prefix)):
fn = dist + '.tar.bz2'
if fn not in index:
# only if the package in not in the repodata, use local
# conda-meta (with 'depends' defaulting to [])
info.setdefault('depends', [])
index[fn] = info
return index
def launch(fn, prefix=config.root_dir, additional_args=None):
info = install.is_linked(prefix, fn[:-8])
if info is None:
return None
if not info.get('type') == 'app':
raise Exception('Not an application: %s' % fn)
# prepend the bin directory to the path
fmt = r'%s\Scripts;%s' if sys.platform == 'win32' else '%s/bin:%s'
env = {'PATH': fmt % (abspath(prefix), os.getenv('PATH'))}
# copy existing environment variables, but not anything with PATH in it
for k, v in iteritems(os.environ):
if 'PATH' not in k:
env[k] = v
# allow updating environment variables from metadata
if 'app_env' in info:
env.update(info['app_env'])
# call the entry command
args = info['app_entry'].split()
args = [a.replace('${PREFIX}', prefix) for a in args]
arg0 = find_executable(args[0], env['PATH'])
if arg0 is None:
raise Exception('Executable not found: %s' % args[0])
args[0] = arg0
cwd = abspath(expanduser('~'))
if additional_args:
args.extend(additional_args)
return subprocess.Popen(args, cwd=cwd, env=env)
def get_index(channel_urls=(), prepend=True, platform=None,
use_cache=False, unknown=False, offline=False,
prefix=None):
"""
Return the index of packages available on the channels
If prepend=False, only the channels passed in as arguments are used.
If platform=None, then the current platform is used.
If prefix is supplied, then the packages installed in that prefix are added.
"""
channel_urls = config.normalize_urls(channel_urls, platform=platform)
if prepend:
channel_urls += config.get_channel_urls(platform=platform)
if offline:
channel_urls = [url for url in channel_urls if url.startswith('file:')]
index = fetch_index(tuple(channel_urls), use_cache=use_cache,
unknown=unknown)
if prefix:
for dist, info in iteritems(install.linked_data(prefix)):
fn = dist + '.tar.bz2'
if fn not in index:
# only if the package in not in the repodata, use local
# conda-meta (with 'depends' defaulting to [])
info.setdefault('depends', [])
index[fn] = info
return index
def test_LinearBound():
L = [
([], [0, 1], 10),
([], [1, 2], 10),
({'x1':2, 'x2':2}, [3, 3], 10),
({'x1':2, 'x2':2}, [0, 1], 1000),
({'x1':1, 'x2':2}, [0, 2], 1000),
({'x1':2, '!x2':2}, [0, 2], 1000),
([(1, 1), (2, 2), (3, 3)], [3, 3], 1000),
([(0, 1), (1, 2), (2, 3), (0, 4), (1, 5), (0, 6), (1, 7)], [0, 2], 1000),
([(0, 1), (1, 2), (2, 3), (0, 4), (1, 5), (0, 6), (1, 7),
(3, False), (2, True)], [2, 4], 1000),
([(1, 15), (2, 16), (3, 17), (4, 18), (5, 6), (5, 19), (6, 7),
(6, 20), (7, 8), (7, 21), (7, 28), (8, 9), (8, 22), (8, 29), (8, 41), (9,
10), (9, 23), (9, 30), (9, 42), (10, 1), (10, 11), (10, 24), (10, 31),
(10, 34), (10, 37), (10, 43), (10, 46), (10, 50), (11, 2), (11, 12), (11,
25), (11, 32), (11, 35), (11, 38), (11, 44), (11, 47), (11, 51), (12, 3),
(12, 4), (12, 5), (12, 13), (12, 14), (12, 26), (12, 27), (12, 33), (12,
36), (12, 39), (12, 40), (12, 45), (12, 48), (12, 49), (12, 52), (12, 53),
(12, 54)], [192, 204], 100),
]
for eq, rhs, max_iter in L:
if isinstance(eq, dict):
N = len(eq)
else:
N = max([0]+[a for c,a in eq if a is not True and a is not False])
C = Clauses(N)
C2 = Clauses(N)
Cpos = Clauses(N)
Cneg = Clauses(N)
if isinstance(eq, dict):
for k in range(1,N+1):
nm = 'x%d'%k
C.name_var(k, nm)
C2.name_var(k, nm)
Cpos.name_var(k, nm)
Cneg.name_var(k, nm)
eq2 = [(v,C.from_name(c)) for c,v in iteritems(eq)]
else:
eq2 = eq
x = C.LinearBound(eq, rhs[0], rhs[1])
x2 = C2.LinearBound(eq, rhs[0], rhs[1], 'sorter')
Cpos.Require(Cpos.LinearBound, eq, rhs[0], rhs[1])
Cneg.Prevent(Cneg.LinearBound, eq, rhs[0], rhs[1])
if x is not False:
for _, sol in zip(range(max_iter), C.itersolve([] if x is True else [(x,)],N)):
assert rhs[0] <= my_EVAL(eq2,sol) <= rhs[1], C.clauses
if x2 is not False:
for _, sol in zip(range(max_iter), C2.itersolve([] if x2 is True else [(x2,)],N)):
assert rhs[0] <= my_EVAL(eq2,sol) <= rhs[1], C2.clauses
if x is not True:
for _, sol in zip(range(max_iter), C.itersolve([] if x is True else [(C.Not(x),)],N)):
assert not(rhs[0] <= my_EVAL(eq2,sol) <= rhs[1]), C.clauses
if x2 is not True:
for _, sol in zip(range(max_iter), C2.itersolve([] if x is True else [(C2.Not(x),)],N)):
assert not(rhs[0] <= my_EVAL(eq2,sol) <= rhs[1]), C2.clauses
for _, sol in zip(range(max_iter), Cpos.itersolve([],N)):
assert rhs[0] <= my_EVAL(eq2,sol) <= rhs[1], ('Cpos',Cpos.clauses)
for _, sol in zip(range(max_iter), Cneg.itersolve([],N)):
assert not(rhs[0] <= my_EVAL(eq2,sol) <= rhs[1]), ('Cneg',Cneg.clauses)
def get_index(channel_urls=(), prepend=True, platform=None,
use_local=False, use_cache=False, unknown=False,
offline=False, prefix=None):
"""
Return the index of packages available on the channels
If prepend=False, only the channels passed in as arguments are used.
If platform=None, then the current platform is used.
If prefix is supplied, then the packages installed in that prefix are added.
"""
if use_local:
channel_urls = ['local'] + list(channel_urls)
channel_urls = normalize_urls(channel_urls, platform, offline)
if prepend:
channel_urls.extend(get_channel_urls(platform, offline))
channel_urls = prioritize_channels(channel_urls)
index = fetch_index(channel_urls, use_cache=use_cache, unknown=unknown)
if prefix:
priorities = {c: p for c, p in itervalues(channel_urls)}
for dist, info in iteritems(install.linked_data(prefix)):
fn = info['fn']
schannel = info['schannel']
prefix = '' if schannel == 'defaults' else schannel + '::'
priority = priorities.get(schannel, 0)
key = prefix + fn
if key in index:
# Copy the link information so the resolver knows this is installed
index[key]['link'] = info.get('link')
else:
# only if the package in not in the repodata, use local
# conda-meta (with 'depends' defaulting to [])
info.setdefault('depends', [])
info['priority'] = priority
index[key] = info
return index
def prune_features():
feats = set()
for ms in specs:
for fn in self.groups.get(ms.name, []):
if valid.get(fn, True):
feats.update(self.track_features(fn))
pruned = False
for feat in active - feats:
active.remove(feat)
for fn in self.groups[feat+'@']:
if valid.get(fn,True):
valid[fn] = False
pruned = True
for name, group in iteritems(self.groups):
nold = npruned = 0
for fn in group:
if valid.get(fn, True):
nold += 1
if self.features(fn) - feats:
valid[fn] = False
npruned += 1
if npruned:
pruned = True
log.debug('%s: pruned from %d -> %d for missing features'%(name,nold,nold-npruned))
if npruned == nold:
for ms in specs:
if ms.name == name and not ms.optional:
bad_deps.append((ms,name+'@'))
return pruned
def check_fields(self):
for section, submeta in iteritems(self.meta):
if section not in FIELDS:
sys.exit("Error: unknown section: %s" % section)
for key in submeta:
if key not in FIELDS[section]:
sys.exit("Error: in section %r: unknown key %r" % (section, key))
def build(m):
env = dict(os.environ)
env.update(environ.get_dict(m))
for name in 'BIN', 'INC', 'LIB':
path = env['LIBRARY_' + name]
if not isdir(path):
os.makedirs(path)
src_dir = source.get_dir()
bld_bat = join(m.path, 'bld.bat')
with open(bld_bat) as fi:
data = fi.read()
with open(join(src_dir, 'bld.bat'), 'w') as fo:
fo.write(msvc_env_cmd())
# more debuggable with echo on
fo.write('@echo on\n')
for kv in iteritems(env):
fo.write('set %s=%s\n' % kv)
fo.write("REM ===== end generated header =====\n")
fo.write(data)
cmd = [os.environ['COMSPEC'], '/c', 'bld.bat']
_check_call(cmd, cwd=src_dir)
kill_processes()
fix_staged_scripts()
def groupby(key, seq):
""" Group a collection by a key function
>>> names = ['Alice', 'Bob', 'Charlie', 'Dan', 'Edith', 'Frank']
>>> groupby(len, names) # doctest: +SKIP
{3: ['Bob', 'Dan'], 5: ['Alice', 'Edith', 'Frank'], 7: ['Charlie']}
>>> iseven = lambda x: x % 2 == 0
>>> groupby(iseven, [1, 2, 3, 4, 5, 6, 7, 8]) # doctest: +SKIP
{False: [1, 3, 5, 7], True: [2, 4, 6, 8]}
Non-callable keys imply grouping on a member.
>>> groupby('gender', [{'name': 'Alice', 'gender': 'F'},
... {'name': 'Bob', 'gender': 'M'},
... {'name': 'Charlie', 'gender': 'M'}]) # doctest:+SKIP
{'F': [{'gender': 'F', 'name': 'Alice'}],
'M': [{'gender': 'M', 'name': 'Bob'},
{'gender': 'M', 'name': 'Charlie'}]}
See Also:
countby
"""
if not callable(key):
key = getter(key)
d = defaultdict(lambda: [].append)
for item in seq:
d[key(item)](item)
rv = {}
for k, v in iteritems(d):
rv[k] = v.__self__
return rv
def generate_version_metrics(self, C, specs):
eqv = {}
eqb = {}
sdict = {}
for s in specs:
s = MatchSpec(s) # needed for testing
sdict.setdefault(s.name, []).append(s)
for name, mss in iteritems(sdict):
pkgs = [(self.version_key(p), p) for p in self.groups.get(name, [])]
# If the "target" field in the MatchSpec is supplied, that means we want
# to minimize the changes to the currently installed package. We prefer
# any upgrade over any downgrade, but beyond that we want minimal change.
targets = [ms.target for ms in mss if ms.target and ms.target in self.index]
if targets:
v1 = [(self.version_key(p), p) for p in targets]
tver = max(v1)
v2 = [p for p in pkgs if p > tver]
v3 = list(reversed([p for p in pkgs if p <= tver and p not in v1]))
pkgs = v1 + v2 + v3
pkey = None
for nkey, npkg in pkgs:
if pkey is None:
iv = ib = 0
elif pkey[0] != nkey[0] or pkey[1] != nkey[1]:
iv += 1
ib = 0
elif pkey[2] != nkey[2]:
ib += 1
if iv:
eqv[npkg] = iv
if ib:
eqb[npkg] = ib
pkey = nkey
return eqv, eqb
def get_index(channel_urls=(), prepend=True, platform=None,
use_cache=False, unknown=False, offline=False,
prefix=None):
"""
Return the index of packages available on the channels
If prepend=False, only the channels passed in as arguments are used.
If platform=None, then the current platform is used.
If prefix is supplied, then the packages installed in that prefix are added.
"""
channel_urls = config.normalize_urls(channel_urls, platform=platform)
if prepend:
channel_urls += config.get_channel_urls(platform=platform)
if offline:
channel_urls = [url for url in channel_urls if url.startswith('file:')]
index = fetch_index(tuple(channel_urls), use_cache=use_cache,
unknown=unknown)
if prefix:
for fn, info in iteritems(install.linked_data(prefix)):
fn = fn + '.tar.bz2'
orec = index.get(fn)
if orec is not None:
if orec.get('md5',None) == info.get('md5',None):
continue
info.setdefault('depends',orec.get('depends',[]))
index[fn] = info
return index
def __init__(self, index):
self.index = index
self.groups = defaultdict(list) # map name to list of filenames
for fn, info in iteritems(index):
self.groups[info['name']].append(fn)
self.msd_cache = {}
self.clear_filter()
def generate_version_eq(self, v, groups, specs, majoronly=False, include0=False):
eq = []
sdict = {}
for s in specs:
s = MatchSpec(s) # needed for testing
sdict.setdefault(s.name,[]).append(s)
key = lambda x: self.version_key(x,majoronly)
for name, mss in iteritems(sdict):
if name[-1] == '@' or all(ms.optional for ms in mss):
continue
pkgs = [(key(p),p) for p in groups[name]]
# If the "target" field in the MatchSpec is supplied, that means we want
# to minimize the changes to the currently installed package. We prefer
# any upgrade over any downgrade, but beyond that we want minimal change.
targets = [ms.target for ms in mss if ms.target]
if targets:
v1 = sorted(((key(t),t) for t in targets), reverse=True)
v2 = sorted((p for p in pkgs if p > v1[0]))
v3 = sorted((p for p in pkgs if p < v1[0]), reverse=True)
pkgs = v1 + v2 + v3
else:
pkgs = sorted(pkgs, reverse=True)
i = 0
prev = None
for nkey, pkg in pkgs:
if prev and prev != nkey:
i += 1
if i or include0:
eq += [(i, v[pkg])]
prev = nkey
return eq
def prune_features():
feats = set()
for ms in specs:
for fn in self.groups.get(ms.name, []):
if valid.get(fn, True):
feats.update(self.track_features(fn))
pruned = False
for feat in active - feats:
active.remove(feat)
for fn in self.groups[feat+'@']:
if valid.get(fn,True):
valid[fn] = False
pruned = True
for name, group in iteritems(self.groups):
nold = npruned = 0
for fn in group:
if valid.get(fn, True):
nold += 1
if self.features(fn) - feats:
valid[fn] = False
npruned += 1
if npruned:
pruned = True
log.debug('%s: pruned from %d -> %d for missing features'%(name,nold,nold-npruned))
if npruned == nold:
for ms in specs:
if ms.name == name and not ms.optional:
bad_deps.append((ms,name+'@'))
return pruned
def launch(fn, prefix=config.root_dir, additional_args=None):
info = install.is_linked(prefix, fn[:-8])
if info is None:
return None
if not info.get('type') == 'app':
raise Exception('Not an application: %s' % fn)
# prepend the bin directory to the path
fmt = r'%s\Scripts;%s' if sys.platform == 'win32' else '%s/bin:%s'
env = {'PATH': fmt % (abspath(prefix), os.getenv('PATH'))}
# copy existing environment variables, but not anything with PATH in it
for k, v in iteritems(os.environ):
if 'PATH' not in k:
env[k] = v
# allow updating environment variables from metadata
if 'app_env' in info:
env.update(info['app_env'])
# call the entry command
args = info['app_entry'].split()
args = [a.replace('${PREFIX}', prefix) for a in args]
arg0 = find_executable(args[0], env['PATH'])
if arg0 is None:
raise Exception('Executable not found: %s' % args[0])
args[0] = arg0
cwd = abspath(expanduser('~'))
if additional_args:
args.extend(additional_args)
return subprocess.Popen(args, cwd=cwd , env=env)
def __init__(self, index):
self.index = index
self.groups = defaultdict(list) # map name to list of filenames
for fn, info in iteritems(index):
self.groups[info['name']].append(fn)
self.msd_cache = {}
self.clear_filter()
def groupby(key, seq):
""" Group a collection by a key function
>>> names = ['Alice', 'Bob', 'Charlie', 'Dan', 'Edith', 'Frank']
>>> groupby(len, names) # doctest: +SKIP
{3: ['Bob', 'Dan'], 5: ['Alice', 'Edith', 'Frank'], 7: ['Charlie']}
>>> iseven = lambda x: x % 2 == 0
>>> groupby(iseven, [1, 2, 3, 4, 5, 6, 7, 8]) # doctest: +SKIP
{False: [1, 3, 5, 7], True: [2, 4, 6, 8]}
Non-callable keys imply grouping on a member.
>>> groupby('gender', [{'name': 'Alice', 'gender': 'F'},
... {'name': 'Bob', 'gender': 'M'},
... {'name': 'Charlie', 'gender': 'M'}]) # doctest:+SKIP
{'F': [{'gender': 'F', 'name': 'Alice'}],
'M': [{'gender': 'M', 'name': 'Bob'},
{'gender': 'M', 'name': 'Charlie'}]}
See Also:
countby
"""
if not callable(key):
key = getter(key)
d = defaultdict(lambda: [].append)
for item in seq:
d[key(item)](item)
rv = {}
for k, v in iteritems(d):
rv[k] = v.__self__
return rv
def build(m):
env = dict(os.environ)
env.update(environ.get_dict(m))
for name in 'BIN', 'INC', 'LIB':
path = env['LIBRARY_' + name]
if not isdir(path):
os.makedirs(path)
src_dir = source.get_dir()
bld_bat = join(m.path, 'bld.bat')
if exists(bld_bat):
with open(bld_bat) as fi:
data = fi.read()
with open(join(src_dir, 'bld.bat'), 'w') as fo:
fo.write(msvc_env_cmd())
# more debuggable with echo on
fo.write('@echo on\n')
for kv in iteritems(env):
fo.write('set %s=%s\n' % kv)
fo.write("REM ===== end generated header =====\n")
fo.write(data)
cmd = [os.environ['COMSPEC'], '/c', 'call', 'bld.bat']
_check_call(cmd, cwd=src_dir)
kill_processes()
fix_staged_scripts()
def generate_version_metric(self, C, groups, specs, majoronly=False):
eq = {}
sdict = {}
for s in specs:
s = MatchSpec(s) # needed for testing
sdict.setdefault(s.name, []).append(s)
key = lambda x: self.version_key(x, majoronly)
for name, mss in iteritems(sdict):
pkgs = groups.get(name, [])
pkgs = [(key(p), p) for p in pkgs]
# If the "target" field in the MatchSpec is supplied, that means we want
# to minimize the changes to the currently installed package. We prefer
# any upgrade over any downgrade, but beyond that we want minimal change.
targets = [ms.target for ms in mss if ms.target]
if targets:
v1 = sorted(((key(t), t) for t in targets), reverse=True)
v2 = sorted((p for p in pkgs if p > v1[0]))
v3 = sorted((p for p in pkgs if p < v1[0]), reverse=True)
pkgs = v1 + v2 + v3
else:
pkgs = sorted(pkgs, reverse=True)
i = 0
prev = None
for nkey, pkg in pkgs:
if prev and prev != nkey:
i += 1
if i:
eq[pkg] = i
prev = nkey
return eq
def fetch_index(channel_urls, use_cache=False, unknown=False):
log.debug('channel_urls=' + repr(channel_urls))
# pool = ThreadPool(5)
index = {}
stdoutlog.info("Fetching package metadata ...")
if not isinstance(channel_urls, dict):
channel_urls = {url: pri + 1 for pri, url in enumerate(channel_urls)}
for url in iterkeys(channel_urls):
if config.allowed_channels and url not in config.allowed_channels:
sys.exit("""
Error: URL '%s' not in allowed channels.
Allowed channels are:
- %s
""" % (url, '\n - '.join(config.allowed_channels)))
try:
import concurrent.futures
executor = concurrent.futures.ThreadPoolExecutor(10)
except (ImportError, RuntimeError):
# concurrent.futures is only available in Python >= 3.2 or if futures is installed
# RuntimeError is thrown if number of threads are limited by OS
session = CondaSession()
repodatas = [(url,
fetch_repodata(url, use_cache=use_cache,
session=session))
for url in iterkeys(channel_urls)]
else:
try:
urls = tuple(channel_urls)
futures = tuple(
executor.submit(fetch_repodata,
url,
use_cache=use_cache,
session=CondaSession()) for url in urls)
repodatas = [(u, f.result()) for u, f in zip(urls, futures)]
finally:
executor.shutdown(wait=True)
for channel, repodata in repodatas:
if repodata is None:
continue
new_index = repodata['packages']
url_s, priority = channel_urls[channel]
for fn, info in iteritems(new_index):
info['fn'] = fn
info['schannel'] = url_s
info['channel'] = channel
info['priority'] = priority
info['url'] = channel + fn
key = url_s + '::' + fn if url_s else fn
index[key] = info
stdoutlog.info('\n')
if unknown:
add_unknown(index, channel_urls)
if config.add_pip_as_python_dependency:
add_pip_dependency(index)
return index
def check_fields(self):
for section, submeta in iteritems(self.meta):
if section not in FIELDS:
sys.exit("Error: unknown section: %s" % section)
for key in submeta:
if key not in FIELDS[section]:
sys.exit("Error: in section %r: unknown key %r" %
(section, key))
def build_groups(index):
groups = {}
trackers = {}
for fn, info in iteritems(index):
groups.setdefault(info['name'], []).append(fn)
for feat in info.get('track_features', '').split():
trackers.setdefault(feat, []).append(fn)
return groups, trackers
def build_groups(index):
groups = {}
trackers = {}
for fn, info in iteritems(index):
groups.setdefault(info['name'], []).append(fn)
for feat in info.get('track_features', '').split():
trackers.setdefault(feat, []).append(fn)
return groups, trackers
def update_index(dir_path, verbose=False, force=False):
if verbose:
print("updating index in:", dir_path)
index_path = join(dir_path, '.index.json')
if force:
index = {}
else:
try:
mode_dict = {'mode': 'r', 'encoding': 'utf-8'} if PY3 else {'mode': 'rb'}
with open(index_path, **mode_dict) as fi:
index = json.load(fi)
except (IOError, ValueError):
index = {}
files = set(fn for fn in os.listdir(dir_path) if fn.endswith('.tar.bz2'))
for fn in files:
path = join(dir_path, fn)
if fn in index and index[fn]['mtime'] == getmtime(path):
continue
if verbose:
print('updating:', fn)
d = read_index_tar(path)
d.update(file_info(path))
index[fn] = d
# remove files from the index which are not on disk
for fn in set(index) - files:
if verbose:
print("removing:", fn)
del index[fn]
# Deal with Python 2 and 3's different json module type reqs
mode_dict = {'mode': 'w', 'encoding': 'utf-8'} if PY3 else {'mode': 'wb'}
with open(index_path, **mode_dict) as fo:
json.dump(index, fo, indent=2, sort_keys=True)
# --- new repodata
icons = {}
for fn in index:
info = index[fn]
if '_icondata' in info:
icons[info['_iconmd5']] = base64.b64decode(info['_icondata'])
assert '%(_iconmd5)s.png' % info == info['icon']
for varname in ('arch', 'platform', 'mtime', 'ucs',
'_icondata', '_iconmd5'):
try:
del info[varname]
except KeyError:
pass
if icons:
icons_dir = join(dir_path, 'icons')
if not isdir(icons_dir):
os.mkdir(icons_dir)
for md5, raw in iteritems(icons):
with open(join(icons_dir, '%s.png' % md5), 'wb') as fo:
fo.write(raw)
repodata = {'packages': index, 'info': {}}
write_repodata(repodata, dir_path)
def generate_feature_metric(self, C):
eq = {}
total = 0
for name, group in iteritems(self.groups):
nf = [len(self.features(fkey)) for fkey in group]
maxf = max(nf)
eq.update({fn: maxf-fc for fn, fc in zip(group, nf) if fc < maxf})
total += maxf
return eq, total
def check_duplicates():
map_name = defaultdict(list) # map package name to list of filenames
for fn in dists:
map_name[name_dist(fn)].append(fn)
for name, files in iteritems(map_name):
if len(files) > 1:
sys.exit("Error: '%s' listed multiple times: %s" %
(name, ', '.join(files)))
def check_duplicates():
map_name = defaultdict(list) # map package name to list of filenames
for fn in dists:
map_name[name_dist(fn)].append(fn)
for name, files in iteritems(map_name):
if len(files) > 1:
sys.exit("Error: '%s' listed multiple times: %s" %
(name, ', '.join(files)))
def generate_feature_metric(self, C):
eq = {}
total = 0
for name, group in iteritems(self.groups):
nf = [len(self.features(fkey)) for fkey in group]
maxf = max(nf)
eq.update({fn: maxf-fc for fn, fc in zip(group, nf) if fc < maxf})
total += maxf
return eq, total
def __init__(self, bad_deps, chains=True):
bad_deps = [list(map(lambda x: x.spec, dep)) for dep in bad_deps]
if chains:
chains = {}
for dep in sorted(bad_deps, key=len, reverse=True):
dep1 = [str(MatchSpec(s)).partition(' ') for s in dep[1:]]
key = (dep[0], ) + tuple(v[0] for v in dep1)
vals = ('', ) + tuple(v[2] for v in dep1)
found = False
for key2, csets in iteritems(chains):
if key2[:len(key)] == key:
for cset, val in zip(csets, vals):
cset.add(val)
found = True
if not found:
chains[key] = [{val} for val in vals]
bad_deps = []
for key, csets in iteritems(chains):
deps = []
for name, cset in zip(key, csets):
if '' not in cset:
pass
elif len(cset) == 1:
cset.clear()
else:
cset.remove('')
cset.add('*')
if name[0] == '@':
name = 'feature:' + name[1:]
deps.append('%s %s' %
(name,
'|'.join(sorted(cset))) if cset else name)
chains[key] = ' -> '.join(deps)
bad_deps = [chains[key] for key in sorted(iterkeys(chains))]
msg = '''The following specifications were found to be in conflict:%s
Use "conda info <package>" to see the dependencies for each package.'''
else:
bad_deps = [sorted(dep) for dep in bad_deps]
bad_deps = [', '.join(dep) for dep in sorted(bad_deps)]
msg = '''The following specifications were found to be incompatible with the
others, or with the existing package set:%s
Use "conda info <package>" to see the dependencies for each package.'''
msg = msg % dashlist(bad_deps)
super(Unsatisfiable, self).__init__(msg)
def fetch_index(channel_urls, use_cache=False, unknown=False):
log.debug('channel_urls=' + repr(channel_urls))
# pool = ThreadPool(5)
index = {}
stdoutlog.info("Fetching package metadata ...")
session = CondaSession()
if not isinstance(channel_urls, dict):
channel_urls = {url: pri+1 for pri, url in enumerate(channel_urls)}
for url in iterkeys(channel_urls):
if config.allowed_channels and url not in config.allowed_channels:
sys.exit("""
Error: URL '%s' not in allowed channels.
Allowed channels are:
- %s
""" % (url, '\n - '.join(config.allowed_channels)))
try:
import concurrent.futures
from collections import OrderedDict
repodatas = []
with concurrent.futures.ThreadPoolExecutor(10) as executor:
future_to_url = OrderedDict([(executor.submit(
fetch_repodata, url, use_cache=use_cache,
session=session), url)
for url in iterkeys(channel_urls)])
for future in future_to_url:
url = future_to_url[future]
repodatas.append((url, future.result()))
except ImportError:
# concurrent.futures is only available in Python 3
repodatas = map(lambda url: (url, fetch_repodata(url,
use_cache=use_cache, session=session)),
iterkeys(channel_urls))
for channel, repodata in repodatas:
if repodata is None:
continue
new_index = repodata['packages']
url_s, priority = channel_urls[channel]
for fn, info in iteritems(new_index):
info['fn'] = fn
info['schannel'] = url_s
info['channel'] = channel
info['priority'] = priority
info['url'] = channel + fn
key = url_s + '::' + fn if url_s else fn
index[key] = info
stdoutlog.info('\n')
if unknown:
add_unknown(index, channel_urls)
if config.add_pip_as_python_dependency:
add_pip_dependency(index)
return index
def fetch_index(channel_urls, use_cache=False, unknown=False, index=None):
log.debug('channel_urls=' + repr(channel_urls))
# pool = ThreadPool(5)
if index is None:
index = {}
stdoutlog.info("Fetching package metadata ...")
if not isinstance(channel_urls, dict):
channel_urls = {url: pri+1 for pri, url in enumerate(channel_urls)}
for url in iterkeys(channel_urls):
if allowed_channels and url not in allowed_channels:
sys.exit("""
Error: URL '%s' not in allowed channels.
Allowed channels are:
- %s
""" % (url, '\n - '.join(allowed_channels)))
try:
import concurrent.futures
executor = concurrent.futures.ThreadPoolExecutor(10)
except (ImportError, RuntimeError):
# concurrent.futures is only available in Python >= 3.2 or if futures is installed
# RuntimeError is thrown if number of threads are limited by OS
session = CondaSession()
repodatas = [(url, fetch_repodata(url, use_cache=use_cache, session=session))
for url in iterkeys(channel_urls)]
else:
try:
urls = tuple(channel_urls)
futures = tuple(executor.submit(fetch_repodata, url, use_cache=use_cache,
session=CondaSession()) for url in urls)
repodatas = [(u, f.result()) for u, f in zip(urls, futures)]
finally:
executor.shutdown(wait=True)
for channel, repodata in repodatas:
if repodata is None:
continue
new_index = repodata['packages']
url_s, priority = channel_urls[channel]
channel = channel.rstrip('/')
for fn, info in iteritems(new_index):
info['fn'] = fn
info['schannel'] = url_s
info['channel'] = channel
info['priority'] = priority
info['url'] = channel + '/' + fn
key = url_s + '::' + fn if url_s != 'defaults' else fn
index[key] = info
stdoutlog.info('\n')
if unknown:
add_unknown(index, channel_urls)
if add_pip_as_python_dependency:
add_pip_dependency(index)
return index
def test_installable(channel='defaults', verbose=True):
if not verbose:
sys.stdout = open(os.devnull, 'w')
success = False
has_py = re.compile(r'py(\d)(\d)')
for platform in ['osx-64', 'linux-32', 'linux-64', 'win-32', 'win-64']:
print("######## Testing platform %s ########" % platform)
channels = [channel] + get_default_urls()
index = get_index(channel_urls=channels,
prepend=False,
platform=platform)
for package, rec in iteritems(index):
# If we give channels at the command line, only look at
# packages from those channels (not defaults).
if channel != 'defaults' and rec.get('schannel',
'defaults') == 'defaults':
continue
name = rec['name']
if name in {'conda', 'conda-build'}:
# conda can only be installed in the root environment
continue
# Don't fail just because the package is a different version of Python
# than the default. We should probably check depends rather than the
# build string.
build = rec['build']
match = has_py.search(build)
assert match if 'py' in build else True, build
if match:
additional_packages = [
'python=%s.%s' % (match.group(1), match.group(2))
]
else:
additional_packages = []
version = rec['version']
print('Testing %s=%s' % (name, version))
# if additional_packages:
# print("Including %s" % additional_packages[0])
try:
check_install([name + '=' + version] + additional_packages,
channel_urls=channels,
prepend=False,
platform=platform)
except KeyboardInterrupt:
raise
# sys.exit raises an exception that doesn't subclass from Exception
except BaseException as e:
success = True
print("FAIL: %s %s on %s with %s (%s)" %
(name, version, platform, additional_packages, e),
file=sys.stderr)
return success
def __init__(self, bad_deps, chains=True):
bad_deps = [list(map(lambda x: x.spec, dep)) for dep in bad_deps]
if chains:
chains = {}
for dep in sorted(bad_deps, key=len, reverse=True):
dep1 = [str(MatchSpec(s)).partition(' ') for s in dep[1:]]
key = (dep[0],) + tuple(v[0] for v in dep1)
vals = ('',) + tuple(v[2] for v in dep1)
found = False
for key2, csets in iteritems(chains):
if key2[:len(key)] == key:
for cset, val in zip(csets, vals):
cset.add(val)
found = True
if not found:
chains[key] = [{val} for val in vals]
bad_deps = []
for key, csets in iteritems(chains):
deps = []
for name, cset in zip(key, csets):
if '' not in cset:
pass
elif len(cset) == 1:
cset.clear()
else:
cset.remove('')
cset.add('*')
if name[0] == '@':
name = 'feature:' + name[1:]
deps.append('%s %s' % (name, '|'.join(sorted(cset))) if cset else name)
chains[key] = ' -> '.join(deps)
bad_deps = [chains[key] for key in sorted(iterkeys(chains))]
msg = '''The following specifications were found to be in conflict:%s
Use "conda info <package>" to see the dependencies for each package.'''
else:
bad_deps = [sorted(dep) for dep in bad_deps]
bad_deps = [', '.join(dep) for dep in sorted(bad_deps)]
msg = '''The following specifications were found to be incompatible with the
others, or with the existing package set:%s
Use "conda info <package>" to see the dependencies for each package.'''
msg = msg % dashlist(bad_deps)
super(Unsatisfiable, self).__init__(msg)
def LB_Preprocess_(self, equation):
if type(equation) is dict:
equation = [(c, self.varnum(a)) for a, c in iteritems(equation)]
if any(c <= 0 or type(a) is bool for c, a in equation):
offset = sum(c for c, a in equation if a is True or a is not False and c <= 0)
equation = [(c, a) if c > 0 else (-c, -a) for c, a in equation
if type(a) is not bool and c]
else:
offset = 0
equation = sorted(equation)
return equation, offset
def LB_Preprocess_(self, equation):
if type(equation) is dict:
equation = [(c, self.varnum(a)) for a, c in iteritems(equation)]
if any(c <= 0 or type(a) is bool for c, a in equation):
offset = sum(c for c, a in equation if a is True or a is not False and c <= 0)
equation = [(c, a) if c > 0 else (-c, -a) for c, a in equation
if type(a) is not bool and c]
else:
offset = 0
equation = sorted(equation)
return equation, offset
def environment_for_conda_environment(prefix=config.root_dir):
# prepend the bin directory to the path
fmt = r'%s\Scripts' if sys.platform == 'win32' else '%s/bin'
binpath = fmt % abspath(prefix)
path = os.path.pathsep.join([binpath, os.getenv('PATH')])
env = {'PATH': path}
# copy existing environment variables, but not anything with PATH in it
for k, v in iteritems(os.environ):
if k != 'PATH':
env[k] = v
return binpath, env
def app_get_index(all_version=False):
"""
return the index of available applications on the channels
By default only the latest version of each app is included in the result,
unless all_version is set to True.
"""
index = {fn: info for fn, info in iteritems(get_index())
if info.get('type') == 'app'}
if all_version:
return index
d = defaultdict(list) # name -> list of Package objects
for fn, info in iteritems(index):
d[_name_fn(fn)].append(Package(fn, info))
res = {}
for pkgs in itervalues(d):
pkg = max(pkgs)
res[pkg.fn] = index[pkg.fn]
return res
def __init__(self, index):
self.index = index.copy()
self.feats = set()
for fn, info in iteritems(index):
for fstr in info.get('track_features','').split():
self.add_feature(fstr, False)
for fstr in iterkeys(info.get('with_features_depends',{})):
fn2 = fn + '[' + fstr + ']'
self.index[fn2] = info
self.groups = build_groups(self.index)
self.find_matches_ = {}
self.ms_depends_ = {}
def generate_feature_metric(self, C, groups, specs):
eq = {}
for name, group in iteritems(groups):
nf = [len(self.features(fn)) for fn in group]
maxf = max(nf)
if min(nf) == maxf:
continue
if not any(ms.name == name for ms in specs if not ms.optional):
maxf += 1
eq.update(
{fn: maxf - fc
for fn, fc in zip(group, nf) if fc < maxf})
return eq
def full_prune(specs, removes, optional, features):
self.default_filter(features, filter)
for ms in removes:
for fn in self.groups.get(ms.name, []):
filter[fn] = False
feats = set(self.trackers.keys())
snames.clear()
specs = slist = list(specs)
onames = set(s.name for s in specs)
for iter in range(10):
first = True
while sum(filter_group([s]) for s in slist) and not unsat:
slist = specs + [MatchSpec(n) for n in snames - onames]
first = False
if unsat:
return False
if first and iter:
return True
touched.clear()
for fstr in features:
touched[fstr + '@'] = True
for spec in chain(specs, optional):
self.touch(spec, touched, filter)
nfeats = set()
for fn, val in iteritems(touched):
if val:
nfeats.update(self.track_features(fn))
if len(nfeats) >= len(feats):
return True
pruned = False
feats &= nfeats
for fn, val in iteritems(touched):
if val and self.features(fn) - feats:
touched[fn] = filter[fn] = False
filter[fn] = False
pruned = True
if not pruned:
return True
def generate_package_count(self, v, groups, specs):
eq = []
snames = {s.name for s in map(MatchSpec, specs)}
for name, pkgs in iteritems(groups):
if name[-1] != '@' and name not in snames:
pkg_ver = sorted([(self.version_key(p),p) for p in groups[name]], reverse=True)
i = 1
prev = None
for nkey, pkg in pkg_ver:
if prev and prev != nkey:
i += 1
eq += [(i, v[pkg])]
prev = nkey
return eq
def dependency_sort(self, must_have):
def lookup(value):
return set(ms.name for ms in self.ms_depends(value + '.tar.bz2'))
digraph = {}
for key, value in iteritems(must_have):
depends = lookup(value)
digraph[key] = depends
sorted_keys = toposort(digraph)
must_have = must_have.copy()
# Take all of the items in the sorted keys
# Don't fail if the key does not exist
result = [must_have.pop(key) for key in sorted_keys if key in must_have]
# Take any key that were not sorted
result.extend(must_have.values())
return result
