Removed plenty of code which went into git-python. This is just for completeness, gitdb doesn't need to be worked on anymoregitdbmerger

1 files changed, 0 insertions, 308 deletions

diff --git a/gitdb/object/util.py b/gitdb/object/util.py
index e63cb30..5f61495 100644
--- a/gitdb/object/util.py
+++ b/gitdb/object/util.py
@@ -4,312 +4,4 @@
 # 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"""
-from gitdb.util import (
-						IterableList, 
-						Actor
-					)
 
-import re
-from collections import deque as Deque
-
-from string import digits
-import time
-import os
-
-__all__ = ('get_object_type_by_name', 'parse_date', 'parse_actor_and_date', 
-			'ProcessStreamAdapter', 'Traversable', 'altz_to_utctz_str', 'utctz_to_altz', 
-			'verify_utctz', 'Actor')
-
-#{ Functions
-
-def mode_str_to_int(modestr):
-	"""
-	:param modestr: string like 755 or 644 or 100644 - only the last 6 chars will be used
-	:return:
-		String identifying a mode compatible to the mode methods ids of the 
-		stat module regarding the rwx permissions for user, group and other, 
-		special flags and file system flags, i.e. whether it is a symlink
-		for example."""
-	mode = 0
-	for iteration, char in enumerate(reversed(modestr[-6:])):
-		mode += int(char) << iteration*3
-	# END for each char
-	return mode
-
-def get_object_type_by_name(object_type_name):
-	"""
-	:return: type suitable to handle the given object type name.
-		Use the type to create new instances.
-		
-	:param object_type_name: Member of TYPES
-		
-	:raise 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)
-		
-def utctz_to_altz(utctz):
-	"""we convert utctz to the timezone in seconds, it is the format time.altzone
-	returns. Git stores it as UTC timezone which has the opposite sign as well, 
-	which explains the -1 * ( that was made explicit here )
-	:param utctz: git utc timezone string, i.e. +0200"""
-	return -1 * int(float(utctz)/100*3600)
-	
-def altz_to_utctz_str(altz):
-	"""As above, but inverses the operation, returning a string that can be used
-	in commit objects"""
-	utci = -1 * int((altz / 3600)*100)
-	utcs = str(abs(utci))
-	utcs = "0"*(4-len(utcs)) + utcs
-	prefix = (utci < 0 and '-') or '+'
-	return prefix + utcs
-	
-
-def verify_utctz(offset):
-	""":raise ValueError: if offset is incorrect
-	:return: offset"""
-	fmt_exc = ValueError("Invalid timezone offset format: %s" % offset)
-	if len(offset) != 5:
-		raise fmt_exc
-	if offset[0] not in "+-":
-		raise fmt_exc
-	if	offset[1] not in digits or \
-		offset[2] not in digits or \
-		offset[3] not in digits or \
-		offset[4] not in digits:
-		raise fmt_exc
-	# END for each char
-	return offset
-
-def parse_date(string_date):
-	"""
-	Parse the given date as one of the following
-	
-		* Git internal format: timestamp offset
-		* RFC 2822: Thu, 07 Apr 2005 22:13:13 +0200. 
-		* ISO 8601 2005-04-07T22:13:13
-			The T can be a space as well
-		 
-	:return: Tuple(int(timestamp), int(offset)), both in seconds since epoch
-	:raise ValueError: If the format could not be understood
-	:note: Date can also be YYYY.MM.DD, MM/DD/YYYY and DD.MM.YYYY"""
-	# git time
-	try:
-		if string_date.count(' ') == 1 and string_date.rfind(':') == -1:
-			timestamp, offset = string_date.split()
-			timestamp = int(timestamp)
-			return timestamp, utctz_to_altz(verify_utctz(offset))
-		else:
-			offset = "+0000"					# local time by default
-			if string_date[-5] in '-+':
-				offset = verify_utctz(string_date[-5:])
-				string_date = string_date[:-6]	# skip space as well
-			# END split timezone info
-			
-			# now figure out the date and time portion - split time
-			date_formats = list()
-			splitter = -1
-			if ',' in string_date:
-				date_formats.append("%a, %d %b %Y")
-				splitter = string_date.rfind(' ')
-			else:
-				# iso plus additional
-				date_formats.append("%Y-%m-%d")
-				date_formats.append("%Y.%m.%d")
-				date_formats.append("%m/%d/%Y")
-				date_formats.append("%d.%m.%Y")
-				
-				splitter = string_date.rfind('T')
-				if splitter == -1:
-					splitter = string_date.rfind(' ')
-				# END handle 'T' and ' '
-			# END handle rfc or iso 
-			
-			assert splitter > -1
-			
-			# split date and time
-			time_part = string_date[splitter+1:]	# skip space
-			date_part = string_date[:splitter]
-			
-			# parse time
-			tstruct = time.strptime(time_part, "%H:%M:%S")
-			
-			for fmt in date_formats:
-				try:
-					dtstruct = time.strptime(date_part, fmt)
-					fstruct = time.struct_time((dtstruct.tm_year, dtstruct.tm_mon, dtstruct.tm_mday, 
-												tstruct.tm_hour, tstruct.tm_min, tstruct.tm_sec,
-												dtstruct.tm_wday, dtstruct.tm_yday, tstruct.tm_isdst))
-					return int(time.mktime(fstruct)), utctz_to_altz(offset)
-				except ValueError:
-					continue
-				# END exception handling
-			# END for each fmt
-			
-			# still here ? fail
-			raise ValueError("no format matched")
-		# END handle format
-	except Exception:
-		raise ValueError("Unsupported date format: %s" % string_date)  
-	# END handle exceptions
-
-	
-# precompiled regex
-_re_actor_epoch = re.compile(r'^.+? (.*) (\d+) ([+-]\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
-	
-	:return: [Actor, int_seconds_since_epoch, int_timezone_offset]"""
-	m = _re_actor_epoch.search(line)
-	actor, epoch, offset = m.groups()
-	return (Actor._from_string(actor), int(epoch), utctz_to_altz(offset))
-	
-
-#} END functions
-
-
-#{ Classes 
-	
-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)
-		
-		
-class Traversable(object):
-	"""Simple interface to perforam depth-first or breadth-first traversals 
-	into one direction.
-	Subclasses only need to implement one function.
-	Instances of the Subclass must be hashable"""
-	__slots__ = tuple()
-	
-	@classmethod
-	def _get_intermediate_items(cls, item):
-		"""
-		Returns:
-			List of items connected to the given item.
-			Must be implemented in subclass
-		"""
-		raise NotImplementedError("To be implemented in subclass")
-			
-	def list_traverse(self, *args, **kwargs):
-		"""
-		:return: IterableList with the results of the traversal as produced by
-			traverse()"""
-		out = IterableList(self._id_attribute_)
-		out.extend(self.traverse(*args, **kwargs))
-		return out
-	
-	def traverse( self, predicate = lambda i,d: True,
-						   prune = lambda i,d: False, depth = -1, branch_first=True,
-						   visit_once = True, ignore_self=1, as_edge = False ):
-		""":return: iterator yieling of items found when traversing self
-			
-		:param predicate: f(i,d) returns False if item i at depth d should not be included in the result
-			
-		:param prune: 
-			f(i,d) return True if the search should stop at item i at depth d.
-			Item i will not be returned.
-			
-		:param depth:
-			define at which level the iteration should not go deeper
-			if -1, there is no limit
-			if 0, you would effectively only get self, the root of the iteration
-			i.e. if 1, you would only get the first level of predessessors/successors
-			
-		:param branch_first:
-			if True, items will be returned branch first, otherwise depth first
-			
-		:param visit_once:
-			if True, items will only be returned once, although they might be encountered
-			several times. Loops are prevented that way.
-		
-		:param ignore_self:
-			if True, self will be ignored and automatically pruned from
-			the result. Otherwise it will be the first item to be returned.
-			If as_edge is True, the source of the first edge is None
-			
-		:param as_edge:
-			if True, return a pair of items, first being the source, second the 
-			destinatination, i.e. tuple(src, dest) with the edge spanning from 
-			source to destination"""
-		visited = set()
-		stack = Deque()
-		stack.append( ( 0 ,self, None ) )		# self is always depth level 0
-	
-		def addToStack( stack, item, branch_first, depth ):
-			lst = self._get_intermediate_items( item )
-			if not lst:
-				return
-			if branch_first:
-				stack.extendleft( ( depth , i, item ) for i in lst )
-			else:
-				reviter = ( ( depth , lst[i], item ) for i in range( len( lst )-1,-1,-1) )
-				stack.extend( reviter )
-		# END addToStack local method
-	
-		while stack:
-			d, item, src = stack.pop()			# depth of item, item, item_source
-			
-			if visit_once and item in visited:
-				continue
-				
-			if visit_once:
-				visited.add(item)
-			
-			rval = ( as_edge and (src, item) ) or item
-			if prune( rval, d ):
-				continue
-	
-			skipStartItem = ignore_self and ( item is self )
-			if not skipStartItem and predicate( rval, d ):
-				yield rval
-	
-			# only continue to next level if this is appropriate !
-			nd = d + 1
-			if depth > -1 and nd > depth:
-				continue
-	
-			addToStack( stack, item, branch_first, nd )
-		# END for each item on work stack
-		
-
-class Serializable(object):
-	"""Defines methods to serialize and deserialize objects from and into a data stream"""
-	__slots__ = tuple()
-	
-	def _serialize(self, stream):
-		"""Serialize the data of this object into the given data stream
-		:note: a serialized object would ``_deserialize`` into the same objet
-		:param stream: a file-like object
-		:return: self"""
-		raise NotImplementedError("To be implemented in subclass")
-		
-	def _deserialize(self, stream):
-		"""Deserialize all information regarding this object from the stream
-		:param stream: a file-like object
-		:return: self"""
-		raise NotImplementedError("To be implemented in subclass")