Limnoria/src/utils/__init__.py

112 lines
3.5 KiB
Python

###
# Copyright (c) 2002-2005, Jeremiah Fincher
# Copyright (c) 2008, James Vega
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions, and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions, and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the author of this software nor the name of
# contributors to this software may be used to endorse or promote products
# derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###
import sys
###
# csv.{join,split} -- useful functions that should exist.
###
import csv
import cStringIO as StringIO
def join(L):
fd = StringIO.StringIO()
writer = csv.writer(fd)
writer.writerow(L)
return fd.getvalue().rstrip('\r\n')
def split(s):
fd = StringIO.StringIO(s)
reader = csv.reader(fd)
return reader.next()
csv.join = join
csv.split = split
# We use this often enough that we're going to stick it in builtins.
def force(x):
if callable(x):
return x()
else:
return x
__builtins__['force'] = force
if sys.version_info < (2, 4, 0):
def reversed(L):
"""Iterates through a sequence in reverse."""
for i in xrange(len(L) - 1, -1, -1):
yield L[i]
__builtins__['reversed'] = reversed
def sorted(iterable, cmp=None, key=None, reversed=False):
L = list(iterable)
if key is not None:
assert cmp is None, 'Can\'t use both cmp and key.'
sortBy(key, L)
else:
L.sort(cmp)
if reversed:
L.reverse()
return L
__builtins__['sorted'] = sorted
import operator
def itemgetter(i):
return lambda x: x[i]
def attrgetter(attr):
return lambda x: getattr(x, attr)
operator.itemgetter = itemgetter
operator.attrgetter = attrgetter
import sets
__builtins__['set'] = sets.Set
__builtins__['frozenset'] = sets.ImmutableSet
import socket
# Some socket modules don't have sslerror, so we'll just make it an error.
if not hasattr(socket, 'sslerror'):
socket.sslerror = socket.error
# These imports need to happen below the block above, so things get put into
# __builtins__ appropriately.
from gen import *
import net
import seq
import str
import web
import file
import iter
import crypt
import error
import python
import transaction
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