def _save_cookies(file_path, dict_object):
"""Cache cookies dictionary to file. Filters out everything but JSESSIONID.
Positional arguments:
file_path -- string representing the file path to where cookie data is to be stored on disk.
dict_object -- dict containing the current JIRA session via JIRA()._session.cookies.get_dict().
"""
# Encode dict_object.
sanitized = dict((k, v) for k, v in dict_object.items() if k == 'JSESSIONID' and str(v).isalnum())
json_string = json.dumps(sanitized)
encoded = base64.b64encode(json_string.encode('ascii'))
# Remove existing files.
try:
os.remove(file_path)
except OSError:
pass
# Write file.
old_mask = os.umask(0o077)
with open(file_path, 'wb') as f:
f.seek(0)
f.truncate()
f.write(encoded)
f.flush()
if hasattr(os, 'fdatasync'):
os.fdatasync(f.fileno()) # Linux only.
os.umask(old_mask)
def do_fdatasync(fd):
try:
os.fdatasync(fd)
except AttributeError:
do_fsync(fd)
except OSError as err:
raise GlusterFileSystemOSError(err.errno, '%s, os.fsync("%s")' % (err.strerror, fd))
def fsync(self, isfsyncfile):
log.debug("file %s isfsyncfile %d" % (self.path, isfsyncfile))
self._fflush()
if isfsyncfile and hasattr(os, 'fdatasync'):
os.fdatasync(self.fd)
else:
os.fsync(self.fd)
def fsync(self, fdatasync, fh=None):
f = os.fdopen(os.open("." + path, os.O_RDONLY))
f.flush()
if fsyncfile and hasattr(os, "fdatasync"):
os.fdatasync(f.fileno())
else:
os.fsync(f.fileno())
def _sync(self, flags): with self.lock: if self.file: if flags & 1 and hasattr(os, 'fdatasync'): os.fdatasync(self.file.fileno()) else: os.fsync(self.file.fileno())
def get_sh_data( script_file, pretty_print = False ):
rfd, wfd = os.pipe()
if rfd != 3:
os.dup2(rfd, 3)
os.close(rfd)
rfd = 3
if wfd != 4:
os.dup2(wfd, 4)
os.close(wfd)
wfd = 4
tfd, tfn = tempfile.mkstemp()
try:
os.write(tfd, script)
os.write(tfd, "\n. %s\n\n" % script_file)
os.fdatasync(tfd)
os.close(tfd)
p = subprocess.Popen(['/bin/bash', tfn], executable='/bin/bash')
os.close(wfd)
result = rdata( rfd )
if pretty_print:
return json.dumps( result , indent = 4)
else:
return json.dumps( result )
finally:
os.close( rfd )
os.unlink( tfn )
def fsync(self, isfsyncfile):
self.__fail_dir_ops()
self._fflush()
if isfsyncfile and hasattr(os, 'fdatasync'):
os.fdatasync(self.fd)
else:
os.fsync(self.fd)
def addextra(tempdir, builddir, name, extralist):
# If there is no extraconf there, is no reason to do any other work
if extralist is None:
return
myf = "{}/conf/{}".format(builddir, name)
myf_orig = "{}/{}.orig".format(tempdir, name)
tmpfile = "{}/{}.orig.tmp".format(tempdir, name)
# copy isn't atomic so make sure that orig is created atomically so that
# file.orig is always correct even if file gets hosed. So that
# means if a user ever sees file.orig, they can be assured that it
# is the same as the original file with no corruption.
shutil.copyfile(myf, tmpfile)
with open(tmpfile, "r") as f:
fd = f.fileno()
os.fdatasync(fd)
# Remember first sync the file AND directory to make sure data
# is written out
fd = os.open(os.path.dirname(tmpfile), os.O_RDONLY)
os.fsync(fd)
os.close(fd)
# Rename should be atomic with respect to disk, yes all of this assumes
# linux and possibly non-network filesystems.
os.rename(tmpfile, myf_orig)
with open(myf, "a") as f:
if extralist:
for conf in extralist:
with open(conf) as f2:
content = f2.readlines()
for l in content:
f.write("%s\n" % format(l.strip()))
def LogRegistrationCodeMap(self, registration_code_map,
log_filename='registration_code_log.csv',
board=None, hwid=None):
"""Logs that a particular registration code has been used.
Args:
registration_code_map: A dict contains 'user' and 'group' reg code.
log_filename: File to append log to.
board: Board name. If None, will try to derive it from hwid.
hwid: HWID object, could be None.
Raises:
ValueError if the registration code is invalid.
ValueError if both board and hwid are None.
"""
for key in ('user', 'group'):
CheckRegistrationCode(registration_code_map[key])
if not board:
if hwid:
board = hwid.partition(' ')[0]
else:
raise ValueError('Both board and hwid are missing.')
if not hwid:
hwid = ''
# See http://goto/nkjyr for file format.
with open(os.path.join(self.data_dir, log_filename), "ab") as f:
csv.writer(f, dialect=NewlineTerminatedCSVDialect).writerow([
board,
registration_code_map['user'],
registration_code_map['group'],
time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime()),
hwid])
os.fdatasync(f.fileno())
def fsync(self, isfsyncfile):
syslog.syslog('Function fsync(%b) called' % (isfsyncfile))
self._fflush()
if isfsyncfile and hasattr(os, 'fdatasync'):
os.fdatasync(self.fd)
else:
os.fsync(self.fd)
def fdatasync(space, w_fd):
"""Force write of file with filedescriptor to disk.
Does not force update of metadata."""
fd = space.c_filedescriptor_w(w_fd)
try:
os.fdatasync(fd)
except OSError, e:
raise wrap_oserror(space, e)
def fsync(self, isfsyncfile):
logger.debug('DejumbleFile.fsync(%s)' % isfsyncfile)
if hasattr(self.file, 'fileno'):
self._fflush()
if isfsyncfile and hasattr(os, 'fdatasync'):
os.fdatasync(self.file.fileno())
else:
os.fsync(self.file.fileno())
def fsync(self, isfsyncfile):
if 'w' in self.file.mode or 'a' in self.file.mode:
self.file.flush()
if isfsyncfile and hasattr(os, 'fdatasync'):
os.fdatasync(self.file.fileno())
else:
os.fsync(self.file.fileno())
return 0
def commit(self):
self.fp.flush()
if hasattr(os, 'fdatasync'):
os.fdatasync(self.fp.fileno())
else:
os.fsync(self.fp.fileno())
self.fp.close()
rename(self.tmpname, self.filename)
def _save_locked(self):
tmp_file = "%s_temp" % self.filename_
fd = open(tmp_file, "w")
try:
fd.write("RESTARTS = %s" % repr(self.restarts_))
os.fdatasync(fd.fileno()) # put it on the disk
finally:
fd.close()
os.rename(tmp_file, self.filename_)
def daemon_log(msg):
formatted_msg = "%s %s\n" % (timestamp(), msg)
if opt_log_fd != None:
os.write(opt_log_fd, formatted_msg)
if not on_windows:
os.fdatasync(opt_log_fd)
if opt_debug:
sys.stdout.write(formatted_msg)
sys.stdout.flush()
def fsync(self, isfsyncfile):
self.lock.acquire()
try:
if isfsyncfile and hasattr(os, 'fdatasync'):
os.fdatasync(self.fd)
else:
os.fsync(self.fd)
finally:
self.lock.release()
def fsync(self, fdatasync, fh=None):
"""
"""
print "NyaFile.fsync() " #fdatasync = ", fdatasync, " fh = ", fh
self._fflush()
if isfsyncfile and hasattr(os, 'fdatasync'):
os.fdatasync(self.fd)
else:
os.fsync(self.fd)
def __exit__(self, exc_type, exc_val, exc_tb):
if exc_type is None:
self.outfd.flush()
if self.sync:
os.fdatasync(self.outfd.fileno())
os.fchmod(self.outfd.fileno(), self.mode)
os.rename(self.outfd.name, self.fname)
self.outfd.delete = False
self.outfd.close()
return False
def test_fdatasync(self):
os = self.posix
f = open(self.path2, "w")
try:
fd = f.fileno()
os.fdatasync(fd)
finally:
f.close()
raises(OSError, os.fdatasync, fd)
raises(ValueError, os.fdatasync, -1)
def fsync(self, isfsyncfile):
verbose("file fsync isfsyncfile %s:" % isfsyncfile)
if self.trigger_activity():
self._fflush()
if isfsyncfile and hasattr(os, 'fdatasync'):
os.fdatasync(self.fd)
else:
os.fsync(self.fd)
else:
return -errno.EIO
def __exit__(self, exc_type, exc_val, exc_tb):
if exc_type is None:
self.outfd.flush()
if self.sync: os.fdatasync(self.fd)
os.fchmod(self.fd, self.osmode)
os.rename(self.abspath, self.fname)
else:
os.unlink(self.abspath)
self.outfd.close()
return False
def fsync( self, file_descriptor, isfsyncfile ):
logging.debug( 'FSYNC' )
try:
if isfsyncfile and hasattr(os, 'fdatasync'):
os.fdatasync( file_descriptor )
else:
os.fsync( file_descriptor )
except:
return -errno.EACCES
def daemon_log(msg):
if opt_debug_limit >= 0:
if len(msg) > opt_debug_limit:
msg = msg[:opt_debug_limit] + "... [%s B]" % (len(msg),)
formatted_msg = "%s %s\n" % (timestamp(), msg)
if opt_log_fd != None:
os.write(opt_log_fd, formatted_msg)
if has_os_fdatasync:
os.fdatasync(opt_log_fd)
if opt_debug and opt_debug_limit != 0:
sys.stdout.write(formatted_msg)
sys.stdout.flush()
def daemon_log(msg):
formatted_msg = "%s %s\n" % (timestamp(), msg)
if opt_log_fd != None:
os.write(opt_log_fd, formatted_msg)
if not on_windows:
os.fdatasync(opt_log_fd)
if opt_debug and opt_debug_stdout_limit != 0:
if opt_debug_stdout_limit > 0 and len(formatted_msg) > opt_debug_stdout_limit:
sys.stdout.write(formatted_msg[:opt_debug_stdout_limit-3] + "...\n")
else:
sys.stdout.write(formatted_msg)
sys.stdout.flush()
def fsync(self, path, datasync, fh):
global VERBOSE
path = fix_path(path, self.log)
err = 0
try:
if bool(datasync):
os.fdatasync(fh)
else:
os.fsync(fh)
except OSError, e:
err = e.errno
self.log.exception(path)
def fsync(self, path, datasync, fh=None):
"""
Synchronises an open file.
datasync: If True, only flush user data, not metadata.
"""
with ewrap("fsync"):
logging.debug("fsync: %s (datasync %s, fh %s)" % (path, datasync, fh))
self._fflush(fh)
if datasync and hasattr(os, 'fdatasync'):
os.fdatasync(fh.fileno())
else:
os.fsync(fh.fileno())
def daemon_log(msg):
formatted_msg = "%s %s\n" % (timestamp(), msg)
if opt_log_fd != None:
os.write(opt_log_fd, formatted_msg)
if has_os_fdatasync:
os.fdatasync(opt_log_fd)
if opt_debug and opt_debug_stdout_limit != 0:
if opt_debug_stdout_limit > 0 and len(
formatted_msg) > opt_debug_stdout_limit:
sys.stdout.write(formatted_msg[:opt_debug_stdout_limit - 3] +
"...\n")
else:
sys.stdout.write(formatted_msg)
sys.stdout.flush()
def gzip_file(params, file):
log.logger.debug('started,file=%s' % file)
try:
with open(file, 'rt') as f_in:
with gzip.open(file + '.gz',
'wt',
compresslevel=params.gzip_compresslevel) as f_out:
shutil.copyfileobj(f_in, f_out)
f_out.flush()
os.fdatasync(f_out.fileno())
os.remove(file)
except:
log.logger.error('\n' + traceback.format_exc())
exit(1)
def test_fdatasync(self):
os = self.posix
f = open(self.path2)
try:
fd = f.fileno()
os.fdatasync(fd)
finally:
f.close()
try:
os.fdatasync(fd)
except OSError:
pass
else:
raise AssertionError("os.fdatasync didn't raise")
def test_fdatasync(self):
os = self.posix
f = open(self.path2, "w")
try:
fd = f.fileno()
os.fdatasync(fd)
finally:
f.close()
try:
# May not raise anything with a buggy libc (or eatmydata)
os.fdatasync(fd)
except OSError:
pass
raises(ValueError, os.fdatasync, -1)
def Write(self, filename, id = 0):
write_time = int(time.time())
self.SetValue(TIME, [write_time, id, time.ctime(write_time)])
basename = os.path.basename(filename)
dirname = os.path.dirname(filename)
tmpfilename = "%s/.%s" % (dirname, basename)
fd = open(tmpfilename, 'w')
fd.write('AUTO_RUNNER_REQUEST = %s' % repr(self.datadict))
os.fdatasync(fd.fileno()) # sync on disk
fd.close()
(rc, out) = commands.getstatusoutput('mv -f %s %s' % \
(tmpfilename, filename))
if rc:
raise IOError, out
def test_fdatasync(self):
os = self.posix
f = open(self.path2)
try:
fd = f.fileno()
os.fdatasync(fd)
finally:
f.close()
try:
os.fdatasync(fd)
except OSError:
pass
else:
raise AssertionError("os.fdatasync didn't raise")
def sync():
"""
synchronize the CSV file with the remote database
this uses varied user-agents, and on error it sleeps for
a random interval (up to, but not including 1 second)
"""
request_factory = lambda u: urllib2.Request(
u, headers={"User-Agent": random.choice(USER_AGENTS)})
url_root = "http://www.payphone-project.com/numbers/usa/"
with open("uspayphones.csv", "wb") as fp:
writer = csv.writer(fp)
writer.writerow(
["address", "name", "number", "state_abbreviation", "town"])
for abbreviation in STATE_ABBREVIATIONS:
state_url = os.path.join(url_root, abbreviation)
print "[*] Operating in state", abbreviation, "from", state_url
state_request = request_factory(state_url)
for town in extract_towns(urllib2.urlopen(state_request).read()):
town_url = os.path.join(state_url, town)
print "\t[*] Scanning", town, "from", town_url
try:
while 1:
try:
town_request = request_factory(town_url)
for payphone in extract_payphones(
urllib2.urlopen(town_request).read()):
print "\t\t[*] Found", payphone["name"],
print "(%s)" % payphone["number"],
print "at", payphone["address"], "in",
print town.replace('_', ' ')
writer.writerow([
payphone["address"], payphone["name"],
payphone["number"], abbreviation,
town.replace('_', ' ')
])
os.fdatasync(fp.fileno())
break
except (urllib2.HTTPError, urllib2.URLError) as e:
print >> sys.stderr, "\x1b[31m[!] Failed" \
" to GET %s:" % town_url, e, "\x1b[39m"
time.sleep(random.random())
except KeyboardInterrupt:
print "[*] Quitting GET attempts"
return # break out of everything
def gzip_d(gzfile):
log.logger.debug('started,infile=%s' % gzfile)
try:
outfpath = gzfile[:-3]
with open(outfpath, 'w') as outfile:
with gzip.open(gzfile) as infile:
for line in infile:
line = line.decode()
outfile.write(line)
outfile.flush()
os.fdatasync(outfile.fileno())
except:
log.logger.error('\n' + traceback.format_exc())
exit(1)
def test_fdatasync(self):
os = self.posix
f = open(self.path2, "w")
try:
fd = f.fileno()
os.fdatasync(fd)
finally:
f.close()
try:
# May not raise anything with a buggy libc (or eatmydata)
os.fdatasync(fd)
except OSError:
pass
raises(ValueError, os.fdatasync, -1)
def daemon_log(msg):
if opt_debug_limit >= 0:
if len(msg) > opt_debug_limit:
msg = (msg[:opt_debug_limit/2] +
("...[%s B, log CRC %s]..." % (len(msg), messages.crc(msg))) +
msg[-opt_debug_limit/2:])
formatted_msg = "%s %s\n" % (timestamp(), msg)
if opt_log_fd != None:
os.write(opt_log_fd, formatted_msg)
if has_os_fdatasync:
os.fdatasync(opt_log_fd)
if opt_debug and opt_debug_limit != 0:
sys.stdout.write(formatted_msg)
sys.stdout.flush()
def handle(self, *args, **kwargs):
result = FuseOpResult()
file_desc = kwargs["file_descriptor"]
try:
if kwargs["datasync"]:
os.fdatasync(file_desc)
else:
os.fsync(file_desc)
except Exception as e:
logging.error("Error during fsync request: {}".format(e))
result.errno = errno.EIO
result.data = str(e)
return result
def write(fd, serial_number, pyobject):
os.lseek(fd, os.SEEK_SET, 0)
data_pickle = pickle.dumps(pyobject, pickle.HIGHEST_PROTOCOL)
data_serial = struct.pack('>Q', serial_number)
data_length = struct.pack('>Q', len(data_pickle))
m = hashlib.md5()
m.update(data_serial)
m.update(data_length)
m.update(data_pickle)
os.write(fd, ''.join([m.digest(), data_serial, data_length, data_pickle]))
os.fdatasync(fd)
def write_profile(self, force=False):
"""Write out profile data to disk.
Write out this ``OsProfile``'s data to a file in Boom
format to the paths specified by the current configuration.
Currently the ``os_id``, ``short_name`` and ``version_id``
keys are used to construct the file name.
If the value of ``force`` is ``False`` and the ``OsProfile``
is not currently marked as dirty (either new, or modified
since the last load operation) the write will be skipped.
:param force: Force this profile to be written to disk even
if the entry is unmodified.
:raises: ``OsError`` if the temporary entry file cannot be
renamed, or if setting file permissions on the
new entry file fails.
"""
if not force and not self._unwritten:
return
profile_path = self._profile_path()
_log_debug("Writing OsProfile(name='%s', os_id='%s') to '%s'" %
(self.name, self.disp_os_id, basename(profile_path)))
(tmp_fd, tmp_path) = mkstemp(prefix="boom", dir=boom_profiles_path())
with fdopen(tmp_fd, "w") as f:
for key in [k for k in PROFILE_KEYS if k in self._profile_data]:
if self._comments and key in self._comments:
f.write(self._comments[key].rstrip() + '\n')
f.write('%s="%s"\n' % (key, self._profile_data[key]))
f.flush()
fdatasync(f.fileno())
try:
rename(tmp_path, profile_path)
chmod(profile_path, BOOM_PROFILE_MODE)
except Exception as e:
_log_error("Error writing profile file '%s': %s" %
(profile_path, e))
try:
unlink(tmp_path)
except:
pass
raise e
_log_debug("Wrote profile (os_id=%s)'" % self.disp_os_id)
def createStackTraceGraph(results):
exepath = getExecutablePath('dot')
if not exepath:
return
edges = {}
nodes = {}
n = 0
for file in results.keys():
r = results[file]
if not r.backtrace:
continue
name = os.path.basename(file)
nodes[name] = file
for l in r.backtrace:
l = l.rstrip()
n += 1
m = re.search('/calligra/.*/([^/]+:\d+)$', l)
if m != None:
key = m.group(1)
nodes[key] = l
edges = addMapEntry(edges, key, name)
name = key
(fileno, tmpfilename) = tempfile.mkstemp()
out = os.fdopen(fileno, 'w')
out.write('digraph {')
svn = 'http://websvn.kde.org/trunk'
for a in nodes:
m = re.search('(/calligra/.*):(\d+)$', nodes[a])
n = '"' + a + '" [URL = "'
if m:
out.write(n + svn + m.group(1) + '?view=markup#l' + m.group(2) +
'"];')
else:
m = re.search('(/calligratests/.*)', nodes[a])
if m:
out.write(n + svn + '/tests' + m.group(1) + '"];')
for a in edges.keys():
for b in edges[a].keys():
out.write('"' + a + '" -> "' + b + '" [penwidth=' +
str(edges[a][b]) + '];')
out.write('}')
os.fdatasync(fileno)
out.close()
args = ["-Tsvg", "-ostacktraces.svg", tmpfilename]
r = runCommand(exepath, args, False)
os.remove(tmpfilename)
def write_next_inode_number(self, next_inode: int) -> None:
contents = struct.pack("@Q", next_inode)
file_path = os.path.join(self.path, self.NEXT_INODE_NUMBER_PATH)
fd, tmp_path = tempfile.mkstemp(prefix=self.NEXT_INODE_NUMBER_PATH,
dir=self.path)
try:
os.write(fd, contents)
os.fdatasync(fd)
os.fchmod(fd, 0o644)
os.rename(tmp_path, file_path)
except Exception:
try:
os.unlink(tmp_path)
except Exception:
pass
raise
def shredC2():
"""shreds the current file"""
try:
fp = open(os.path.realpath(__file__), "r+b")
fp.seek(0, os.SEEK_END)
size = fp.tell() # get the number of bytes in the current file
fp.seek(0, os.SEEK_SET)
while size > 0: # overwrite with random bytes
fp.write(os.urandom(size % 1048576))
fp.flush()
os.fdatasync(fp.fileno()) # sync to disk
size /= 1048576
fp.close()
except:
pass
def do_auth_update():
ssh_dir = pathlib.Path('~/.ssh').expanduser()
with (ssh_dir / 'id_ed25519.pub').open() as src: ssh_pubkey = src.read().strip()
with (ssh_dir / 'authorized_keys.base').open() as src: auth_base = src.read()
mark, auth_gitolite = None, list(map(str.strip, sys.stdin.read().splitlines()))
for n, line in enumerate(auth_gitolite):
if mark is None and line == '# gitolite start': mark, line = True, None
elif line == '# gitolite end': mark, line = False, None
if not mark: line = None
if line:
m = re.search(
# Two supported input-line formats here:
# - authorized_keys file with "command=... key" lines,
# for manual "ssh git@gw < ~/.ssh/authorized_keys" operation.
# - push-authkeys trigger output with "# gl-push-authkeys: ..." lines.
r'^(command="\S+\s+(?P<id_ssh>[^"]+)".*?|# gl-push-authkeys: ##(?P<id_trigger>.*)##)'
r'\s+(?P<key>(ssh-ed25519|ssh-rsa|ecdsa-sha2-nistp256|ssh-dss)\s+.*)$', line )
if not m:
# Not dumping line itself here to avoid having pubkeys in the logs
syslog_line('Failed to match gitolite ssh-auth line {}'.format(n))
line = None
else:
gl_key, ssh_key = m['id_ssh'] or m['id_trigger'], m['key']
cmd = '{} {}'.format(gl_proxy_path, gl_key).replace('\\', '\\\\').replace('"', r'\"')
auth_opts = ',{}'.format(gl_auth_opts) if gl_auth_opts.strip() else ''
line = 'command="{}"{} {}'.format(cmd, auth_opts, ssh_key)
auth_gitolite[n] = line
auth_gitolite = '\n'.join(filter(None, auth_gitolite))
# Not done via tempfile to avoid allowing rename() in ~/.ssh dir to this uid
with (ssh_dir / 'authorized_keys').open('a+') as dst:
dst.seek(0)
with (ssh_dir / 'authorized_keys.old').open('w') as bak:
bak.write(dst.read())
bak.flush()
os.fdatasync(bak.fileno())
dst.seek(0)
dst.truncate()
dst.write(auth_base)
dst.write('\n### Gitolite proxy commands\n')
dst.write(auth_gitolite)
dst.write('\n')
sys.stdout.write('\n'.join([ssh_pubkey, gl_wrapper_script]))
def _update_config_from_v1(self, db_file):
f = open(db_file, 'r')
content = f.read()
f.close()
content = content.replace('target_id', 'palcache_id')
content = content.replace('target_name', 'palcache_name')
content = content.replace('"target"', '"palcache"')
content = content.replace('"version": "v1"',
'"version": "%s"' % CURR_DB_VERSION)
tmp_db_file = "%s.v2" % db_file
f = open(tmp_db_file, 'w', 0)
f.write(content)
os.fdatasync(f)
f.close()
os.rename(db_file, "%s.v1.bak" % db_file)
os.rename(tmp_db_file, db_file)
def save_settings(self, filename):
self.logger.info("Settings saved to " + str(filename))
"""Writes the game settings to *filename*. See :meth:`load_settings`."""
if os.path.exists(filename):
if os.path.exists(filename + '.bak'):
os.remove(filename + '.bak')
try:
os.rename(filename, filename + '.bak')
except:
pass
try:
if os.path.exists(filename):
os.remove(filename)
with open(filename, 'w') as stream:
yaml.dump(self.user_settings, stream)
stream.flush()
os.fdatasync(stream)
# stream.close()
# stream = None
# os.fsync()
# os.rename(filename+'.temp', filename)
# Create backup File if data is good
if os.path.getsize(filename) > 0:
if os.path.exists(filename + '.bak'):
os.remove(filename + '.bak')
copyfile(filename, filename + '.bak')
# stream = open(filename, 'w', 0)
# yaml.dump(self.user_settings, stream)
# file.close(stream)
# stream.close()
# if os.path.getsize(filename) == 0:
# self.logger.error( " ****** CORRUPT GAME USER SETTINGS FILE REPLACING WITH CLEAN DATA --- restoring last copy ****************")
# #remove bad file
# os.remove(filename)
# os.rename(filename+'.bak', filename)
# else:
# self.logger.info("Settings saved to " + str(filename))
except Exception, e:
self.logger.error("CANNOT SAVE SETTINGS FILE:" + str(filename) +
" - " + str(e))
def format_json_in_place(pathname, sync=True, indent_level=4):
dirname = os.path.dirname(pathname)
indent_string = ' ' * indent_level
with open(pathname, 'r') as fp:
try:
data = json.load(fp)
except ValueError:
sys.stderr.write("In file: {}\n".format(fp.name))
raise
# Create a temporary file in the same directory.
with tempfile.NamedTemporaryFile(mode='w', dir=dirname,
delete=False) as tmp_fp:
json.dump(
data,
tmp_fp,
ensure_ascii=False,
indent=indent_string,
separators=(',', ': '),
sort_keys=True,
)
tmp_fp.write('\n') # add a trailing newline.
tmp_fp.flush()
if sync:
# Before we replace the old file with the new one,
# force the new file to be fully written to disk.
# Linux-only.
# https://blog.gocept.com/2013/07/15/reliable-file-updates-with-python/
logging.debug('attempting to run fdatasync on {}'.format(
tmp_fp.name))
try:
os.fdatasync(tmp_fp)
except AttributeError:
logging.info("os.fdatasync not available on '{}'".format(
platform.system()))
pass
else:
logging.warning(
"file may not be fully written to disk: '{}'".format(
tmp_fp.name))
# Attempt to replace the file atomically.
logging.debug("replacing '{}' with '{}'".format(tmp_fp.name, pathname))
try:
os.replace(tmp_fp.name, pathname)
except AttributeError:
# In Python 2.7, os.replace is not available.
os.rename(tmp_fp.name, pathname)
def log(self, text):
"""Write text to the log file and print it on the screen, if enabled.
The entire log (maintained across reboots) can be found in
self.log_file.
"""
if not self.log_file or not os.path.exists(self.state_dir):
# Called before environment was initialized, ignore.
return
timestamp = datetime.datetime.strftime(
datetime.datetime.now(), '%I:%M:%S %p:')
with open(self.log_file, 'a') as log_f:
log_f.write('%s %s\n' % (timestamp, text))
log_f.flush()
os.fdatasync(log_f)
def atomic_writer(fname: str,
mode: str = "w+b",
chmod: int = 0o664,
sync: bool = True,
use_umask: bool = False,
**kw):
"""
open/tempfile wrapper to atomically write to a file, by writing its
contents to a temporary file in the same directory, and renaming it at the
end of the block if no exception has been raised.
:arg fname: name of the file to create
:arg mode: passed to mkstemp/open
:arg chmod: permissions of the resulting file
:arg sync: if True, call fdatasync before renaming
:arg use_umask: if True, apply umask to chmod
All the other arguments are passed to open
"""
if use_umask:
cur_umask = os.umask(0)
os.umask(cur_umask)
chmod &= ~cur_umask
dirname = os.path.dirname(fname)
if not os.path.isdir(dirname):
os.makedirs(dirname)
fd, abspath = tempfile.mkstemp(dir=dirname,
text="b" not in mode,
prefix=fname)
outfd = open(fd, mode, closefd=True, **kw)
try:
yield outfd
outfd.flush()
if sync:
os.fdatasync(fd)
os.fchmod(fd, chmod)
os.rename(abspath, fname)
except Exception:
os.unlink(abspath)
raise
finally:
outfd.close()
def on_fsync(self, httpfs_request_args):
"""
Called when HttpFsRequest.OP_FSYNC is received from the client
:param httpfs_request_args: The client request arg dict
"""
response_obj = HttpFsResponse()
try:
if httpfs_request_args["datasync"]:
os.fdatasync(httpfs_request_args["file_descriptor"])
else:
os.fsync(httpfs_request_args["file_descriptor"])
except Exception as e:
logging.error("Error during fsync request: {}".format(e))
response_obj.set_err_no(errno.EIO)
response_obj.set_data({"message": str(e)})
self.send_json_response(http.HTTPStatus.OK, response_obj.as_dict())
def AtomicSaveFileWBackup(fname, content):
"""Atomically changes the contents of a file and keeps a backup.
Preserves file permissions and ownership.
"""
MakeBackup(fname)
# create a temporary file
auxfname = fname + '.tomove'
f = open(auxfname, 'w')
f.write(content)
f.flush()
os.fdatasync(f.fileno())
f.close()
old_stats = os.stat(fname)
# apply old permission bits and ownership
os.chmod(auxfname, stat.S_IMODE(old_stats.st_mode))
os.chown(auxfname, old_stats.st_uid, old_stats.st_gid)
# rename temporary file to the actual file
os.rename(auxfname, fname)
def fsync(self, path, datasync, fh):
# I must wait with uploading a written file until the flush and fsync
# for it happened, right?
# Or am I safe if I just upload *closed* files?
print("fsync", path, fh)
if datasync != 0:
return os.fdatasync(fh)
else:
return os.fsync(fh)
def _init_captcha_key(self):
"""Read or create captcha key file
"""
try:
with open(self.captcha_key_location, 'rb') as f:
self._captcha_key = f.read()
except IOError as e:
if e.errno != errno.ENOENT:
raise
new_key = os.urandom(8)
# write key with secure mode
with open(self.captcha_key_location, 'wb') as f:
os.fchmod(f.fileno(), 0o600)
f.write(new_key)
os.fdatasync(f.fileno())
# re-read key from file system in case somebody else wrote to it.
with open(self.captcha_key_location, 'rb') as f:
self._captcha_key = f.read()
def prepare(self, val):
"""
Saves the specified primary key string as the new checkpoint.
The Checkpoint value is a dictionary {'date': date, 'transaction': txn}
- date - datetime.datetime object in UTC (or a consistent time zone)
- txn - integer (can be None)
- aux - arbitrary pickable object (dictionary? can be None)
"""
#TODO: see DateTransactionCheckpoint - maybe merge the 2 functions (factor out common part)
datestamp = val['date']
# This could be called by a function where txn or aux are not defined (set_date_transaction)
txn = val.get('transaction')
aux = val.get('aux')
# date must be defined, transaction can be None
if datestamp is None:
raise IOError(
"Checkpoint.createPending was passed null values for date")
# Check timestamp validity
if not type(datestamp) == datetime:
# raise IOError("Checkpoint.createPending was passed invalid date (%s, %s)" % (type(datestamp), datestamp))
# attempting to convert to datetime - interpreting as seconds form the Epoch (UTC)
datestamp = datetime.utcfromtimestamp(datestamp)
self._pending_dateStamp = datestamp
self._pending_transaction = txn
self._pending_aux = aux
# Get rid of extant pending file, if any.
# truncate and write should be faster and as safe as
# unlink and close
if not self._tmp_fp:
self._tmp_fp, self._tmp_filename = self.get_tempfile(
self._target, '.pending')
if self._tmp_fp:
self._tmp_fp.seek(0)
pickle.dump([datestamp, txn, aux], self._tmp_fp, -1)
self._tmp_fp.truncate()
self._tmp_fp.flush()
# make sure that the file is on disk
try:
os.fdatasync(self._tmp_fp)
except AttributeError:
# This is not available on MacOS
pass
self._pending = True
def save_game_data(self, filename):
"""Writes the game data to *filename*. See :meth:`load_game_data`."""
if os.path.exists(filename):
if os.path.exists(filename + '.bak'):
os.remove(filename + '.bak')
try:
os.rename(filename, filename + '.bak')
except:
pass
try:
if os.path.exists(filename):
os.remove(filename)
with open(filename, 'w') as stream:
yaml.dump(self.game_data, stream)
stream.flush()
os.fdatasync(stream)
# stream.close()
# stream = None
# os.fsync()
# os.rename(filename+'.temp', filename)
# Create backup File if data is good
if os.path.getsize(filename) > 0:
if os.path.exists(filename + '.bak'):
os.remove(filename + '.bak')
copyfile(filename, filename + '.bak')
# stream = open(filename, 'w', 0)
# yaml.dump(self.game_data, stream)
# file.close(stream)
# stream.close()
# now check for successful write, if not restore backup file
# if os.path.getsize(filename) == 0:
# self.logger.info( " **************** CORRUPT DATA FILE REPLACING WITH CLEAN DATA --- restoring last copy ****************")
# #remove bad file
# os.remove(filename)
# os.rename(filename+'.bak', filename)
except Exception, e:
self.logger.error("CANNOT SAVE GAME DATA FILE:" + str(filename) +
" - " + str(e))
def FSYNC(self, msg):
if msg.fh_uuid not in self.fm:
logger.error("FSYNC on not opened file %s:%s",
UUID(bytes=msg.fh_uuid), msg.path)
raise OSError(errno.EBADF)
fh = self.fm[msg.fh_uuid].fh
if msg.datasync:
return os.fdatasync(fh)
else:
return os.fsync(fh)
def robust_file_write(directory: str, filename: str, data: str) -> None:
"""Robust file write.
Use "write to temp file and rename" model for writing the
persistence file.
:param directory: Target directory to create a file.
:param filename: File name to store specified data.
:param data: String data.
"""
tempname = None
dirfd = None
try:
dirfd = os.open(directory, os.O_DIRECTORY)
# write data to temporary file
with tempfile.NamedTemporaryFile(prefix=filename,
dir=directory,
delete=False) as tf:
tempname = tf.name
tf.write(data.encode('utf-8'))
tf.flush()
os.fdatasync(tf.fileno())
tf.close()
# Fsync the directory to ensure the fact of the existence of
# the temp file hits the disk.
os.fsync(dirfd)
# If destination file exists, it will be replaced silently.
os.rename(tempname, os.path.join(directory, filename))
# Fsync the directory to ensure the rename hits the disk.
os.fsync(dirfd)
except OSError:
with excutils.save_and_reraise_exception():
LOG.error("Failed to write persistence file: %(path)s.",
{'path': os.path.join(directory, filename)})
if tempname is not None:
if os.path.isfile(tempname):
os.unlink(tempname)
finally:
if dirfd is not None:
os.close(dirfd)
def csv_write(self, num, id, TIME):
rec = {}
rec['raspi_sid'] = self.raspi_sid
rec['mode'] = 2
rec['sensor_id'] = self.sensor_id
rec['timestamp'] = TIME
rec['person'] = self.expr
rec['suborder'] = self.Order
if id == 0:
rec['status'] = 'touched'
rec['process_id'] = config['process_machine_id']
elif id == 1:
rec['status'] = 'start'
rec['process_id'] = num
elif id == 2:
rec['status'] = 'end'
rec['process_id'] = num
rec['starttime'] = self.start_time
else:
rec['status'] = 'released'
rec['process_id'] = config['process_machine_id']
rec['starttime'] = self.starttime
dict = [
'raspi_sid', 'mode', 'status', 'timestamp', 'suborder', 'person',
'sensor_id', 'count', 'starttime', 'process_id'
]
keys = rec.keys()
data = []
for i in dict:
if i in keys:
data.append(rec[i])
else:
data.append(None)
DIR = '/home/pi/data/'
file_name = self.raspi_sid + '_' + time.strftime("%Y%m%d") + '.csv'
file = open(DIR + file_name, 'a')
writer = csv.writer(file, lineterminator='\n')
writer.writerow(data)
file.flush()
os.fdatasync(file.fileno())
file.close()
def fsync(self, path, datasync, fd):
fr = core.path2fr(Path(path))
if acquire_wlock(fr):
if datasync != 0:
result = os.fdatasync(fd)
else:
result = os.fsync(fd)
upload(fr)
return result
else:
raise FuseOSError(errno.ENOACCESS)
def _write_schema(self, fingerprint):
try:
os.makedirs(self._DIR)
except EnvironmentError as e:
if e.errno != errno.EEXIST:
raise
with tempfile.NamedTemporaryFile('wb',
prefix=fingerprint,
dir=self._DIR,
delete=False) as f:
try:
self._write_schema_data(f)
f.flush()
os.fdatasync(f.fileno())
f.close()
except Exception:
os.unlink(f.name)
raise
else:
os.rename(f.name, os.path.join(self._DIR, fingerprint))
