"""
Some utility functions for Gitosis
"""
import errno
import os
import shutil
from ConfigParser import NoSectionError, NoOptionError
def mkdir(newdir, mode=0777):
"""
Like os.mkdir, but already existing directories do not raise an error.
"""
_sysfunc(os.mkdir, [errno.EEXIST], newdir, mode)
def unlink(filename):
"""
Like os.unlink, but non-existing files do not raise an error.
"""
_sysfunc(os.unlink, [errno.ENOENT], filename)
def rmtree(directory):
"""
Like shutil.rmtree, but non-existing trees do not raise an error.
"""
_sysfunc(shutil.rmtree, [errno.ENOENT], directory)
def _sysfunc(func, ignore, *args, **kwds):
"""
Run the specified function, ignoring the specified errno if raised, and
raising other errors.
"""
if not ignore:
ignore = []
try:
func(*args, **kwds)
except OSError, ex:
if ex.errno in ignore:
pass
else:
raise
def getRepositoryDir(config):
"""
Find the location of the Git repositories.
Tries:
- ``gitosis.repositories`` configuration key (see note)
- ``~/repositories``
Note: If the configuration key is a relative path, it is appended onto
the homedir for the gitosis user.
"""
repositories = os.path.expanduser('~')
try:
path = config.get('gitosis', 'repositories')
except (NoSectionError, NoOptionError):
repositories = os.path.join(repositories, 'repositories')
else:
repositories = os.path.join(repositories, path)
return repositories
def getGeneratedFilesDir(config):
"""
Find the location for the generated Gitosis files.
Tries:
- ``gitosis.generate-files-in`` configuration key
- ``~/gitosis``
"""
try:
generated = config.get('gitosis', 'generate-files-in')
except (NoSectionError, NoOptionError):
generated = os.path.expanduser('~/gitosis')
return generated
def getSSHAuthorizedKeysPath(config):
try:
path = config.get('gitosis', 'ssh-authorized-keys-path')
except (NoSectionError, NoOptionError):
path = os.path.expanduser('~/.ssh/authorized_keys'),
return path
