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# Copyright 1998-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /local/data/ulm/cvs/history/var/cvsroot/gentoo-src/portage/portage/util/misc.py,v 1.2 2005/07/13 05:51:35 ferringb Exp $
cvs_id_string="$Id: misc.py,v 1.2 2005/07/13 05:51:35 ferringb Exp $"[5:-2]
#clean this up.
import sys,string,shlex,os.path,stat,types
import shutil
def stack_dictlist(original_dicts, incremental=0, incrementals=[], ignore_none=0):
"""Stacks an array of dict-types into one array. Optionally merging or
overwriting matching key/value pairs for the dict[key]->list.
Returns a single dict. Higher index in lists is preferenced."""
final_dict = None
kill_list = {}
for mydict in original_dicts:
if mydict == None:
continue
if final_dict == None:
final_dict = {}
for y in mydict.keys():
if not final_dict.has_key(y):
final_dict[y] = []
if not kill_list.has_key(y):
kill_list[y] = []
mydict[y].reverse()
for thing in mydict[y]:
if thing and (thing not in kill_list[y]) and ("*" not in kill_list[y]):
if (incremental or (y in incrementals)) and thing[0] == '-':
if thing[1:] not in kill_list[y]:
kill_list[y] += [thing[1:]]
else:
if thing not in final_dict[y]:
final_dict[y].append(thing[:])
mydict[y].reverse()
if final_dict.has_key(y) and not final_dict[y]:
del final_dict[y]
return final_dict
def stack_dicts(dicts, incremental=0, incrementals=[], ignore_none=0):
"""Stacks an array of dict-types into one array. Optionally merging or
overwriting matching key/value pairs for the dict[key]->string.
Returns a single dict."""
final_dict = None
for mydict in dicts:
if mydict == None:
if ignore_none:
continue
else:
return None
if final_dict == None:
final_dict = {}
for y in mydict.keys():
if mydict[y]:
if final_dict.has_key(y) and (incremental or (y in incrementals)):
final_dict[y] += " "+mydict[y][:]
else:
final_dict[y] = mydict[y][:]
mydict[y] = string.join(mydict[y].split()) # Remove extra spaces.
return final_dict
def stack_lists(lists, incremental=1):
"""Stacks an array of list-types into one array. Optionally removing
distinct values using '-value' notation. Higher index is preferenced."""
new_list = []
for x in lists:
for y in x:
if y:
if incremental and y[0]=='-':
while y[1:] in new_list:
del new_list[new_list.index(y[1:])]
else:
if y not in new_list:
new_list.append(y[:])
return new_list
def unique_array(array):
"""Takes an array and makes sure each element is unique."""
newarray = []
for x in array:
if x not in newarray:
newarray.append(x)
return newarray
def flatten(mytokens):
"""this function now turns a [1,[2,3]] list into
a [1,2,3] list and returns it."""
newlist=[]
for x in mytokens:
if type(x)==list:
newlist.extend(flatten(x))
else:
newlist.append(x)
return newlist
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