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# util.py
# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under
# the BSD License: http://www.opensource.org/licenses/bsd-license.php
"""
Module for general utility functions
"""
import re
from git.actor import Actor
def get_object_type_by_name(object_type_name):
"""
Returns
type suitable to handle the given object type name.
Use the type to create new instances.
``object_type_name``
Member of TYPES
Raises
ValueError: In case object_type_name is unknown
"""
if object_type_name == "commit":
import commit
return commit.Commit
elif object_type_name == "tag":
import tag
return tag.TagObject
elif object_type_name == "blob":
import blob
return blob.Blob
elif object_type_name == "tree":
import tree
return tree.Tree
else:
raise ValueError("Cannot handle unknown object type: %s" % object_type_name)
# precompiled regex
_re_actor_epoch = re.compile(r'^.+? (.*) (\d+) .*$')
def parse_actor_and_date(line):
"""
Parse out the actor (author or committer) info from a line like::
author Tom Preston-Werner <tom@mojombo.com> 1191999972 -0700
Returns
[Actor, int_seconds_since_epoch]
"""
m = _re_actor_epoch.search(line)
actor, epoch = m.groups()
return (Actor._from_string(actor), int(epoch))
class ProcessStreamAdapter(object):
"""
Class wireing all calls to the contained Process instance.
Use this type to hide the underlying process to provide access only to a specified
stream. The process is usually wrapped into an AutoInterrupt class to kill
it if the instance goes out of scope.
"""
__slots__ = ("_proc", "_stream")
def __init__(self, process, stream_name):
self._proc = process
self._stream = getattr(process, stream_name)
def __getattr__(self, attr):
return getattr(self._stream, attr)
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