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# Copyright (c) 2003-2006 LOGILAB S.A. (Paris, FRANCE).
# http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
"""Logilab common libraries:
a set of common functionnalities shared among logilab projects
:type STD_BLACKLIST: tuple
:var STD_BLACKLIST:
directories ignored by default by the functions in this package which have
to recurse into directories
:type IGNORED_EXTENSIONS: tuple
:var IGNORED_EXTENSIONS:
file extensions that may usually be ignored
"""
STD_BLACKLIST = ('CVS', '.svn', '.hg', 'debian', 'dist', 'build')
IGNORED_EXTENSIONS = ('.pyc', '.pyo', '.elc', '~')
from logilab.common.deprecation import moved
get_cycles = moved('logilab.common.graph', 'get_cycles')
cached = moved('logilab.common.decorators', 'cached')
ProgressBar = moved('logilab.common.shellutils', 'ProgressBar')
Execute = moved('logilab.common.shellutils', 'Execute')
acquire_lock = moved('logilab.common.shellutils', 'acquire_lock')
release_lock = moved('logilab.common.shellutils', 'release_lock')
deprecated_function = moved('logilab.common.deprecation', 'deprecated_function')
class_renamed = moved('logilab.common.deprecation', 'class_renamed')
def intersection(list1, list2):
"""return the intersection of list1 and list2"""
warn('this function is deprecated, use a set instead', DeprecationWarning,
stacklevel=2)
intersect_dict, result = {}, []
for item in list1:
intersect_dict[item] = 1
for item in list2:
if intersect_dict.has_key(item):
result.append(item)
return result
def difference(list1, list2):
"""return elements of list1 not in list2"""
warn('this function is deprecated, use a set instead', DeprecationWarning,
stacklevel=2)
tmp, result = {}, []
for i in list2:
tmp[i] = 1
for i in list1:
if not tmp.has_key(i):
result.append(i)
return result
def union(list1, list2):
"""return list1 union list2"""
warn('this function is deprecated, use a set instead', DeprecationWarning,
stacklevel=2)
tmp = {}
for i in list1:
tmp[i] = 1
for i in list2:
tmp[i] = 1
return tmp.keys()
# XXX move in a specific module
def flatten(iterable, tr_func=None, results=None):
"""flatten a list of list with any level
if tr_func is not None, it should be a one argument function that'll be called
on each final element
"""
if results is None:
results = []
for val in iterable:
if isinstance(val, (list, tuple)):
flatten(val, tr_func, results)
elif tr_func is None:
results.append(val)
else:
results.append(tr_func(val))
return results
# XXX is function below still used ?
def make_domains(lists):
"""
given a list of lists, return a list of domain for each list to produce all
combinaisons of possibles values
ex: (['a', 'b'], ['c','d', 'e'])
-> (['a', 'b', 'a', 'b', 'a', 'b'],
['c', 'c', 'd', 'd', 'e', 'e'])
"""
domains = []
for iterable in lists:
new_domain = iterable[:]
for i in range(len(domains)):
domains[i] = domains[i]*len(iterable)
if domains:
missing = (len(domains[0]) - len(iterable)) / len(iterable)
i = 0
for j in range(len(iterable)):
value = iterable[j]
for dummy in range(missing):
new_domain.insert(i, value)
i += 1
i += 1
domains.append(new_domain)
return domains
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