kmerenkov

fs = [lambda x: x*x, lambda y: y+y, lambda z: str(z)]
comp = lambda fs, arg: reduce(lambda x, y: y(x), fs, arg)
comp(fs, 5)  # returns '50', i.e. str((5*5)+(5*5))

kmerenkov

from functools import partial


def pass_result_to(wrap_with):
    def wrapper(f):
        def wrapper_(*args, **kwargs):
            return wrap_with(f(*args, **kwargs))
        return wrapper_
    return wrapper

kmerenkov

# -*- coding: utf-8 -*-


def maybe_call_super(cls, instance, method):
    next_mro_obj = super(cls, instance)
    method = getattr(next_mro_obj, method, None)
    if method:
       method()

kmerenkov

class MagicValue(object):
    def __eq__(self, obj):
        return type(self) is type(obj)

    def __nonzero__(self):
        return False

    def __hash__(self):
        return id(self)

kmerenkov

# -*- coding: utf-8 -*-
from datetime import datetime, timedelta
import itertools
import redis
import logging

from django.core.cache import cache


log = logging.getLogger('db.connection')

kmerenkov

$ cat n_line.py 
# -*- coding: utf-8 -*-
from itertools import islice
from cStringIO import StringIO

_content = """1st line
2nd line
3rd line
4th line
5th line"""

kmerenkov

#! /bin/sh
### BEGIN INIT INFO
# Provides:		redis-server
# Required-Start:	$syslog
# Required-Stop:	$syslog
# Should-Start:		$local_fs
# Should-Stop:		$local_fs
# Default-Start:	2 3 4 5
# Default-Stop:		0 1 6
# Short-Description:	redis-server - Persistent key-value db

kmerenkov

import random
from itertools import islice


def dev_urandom():
    while True:
        yield random.randint(0, 9)

def random_phone_number():
	return '+7' + "".join(map(str, islice(dev_urandom(), 0, 10)))

kmerenkov

=== modified file '__init__.py'
--- __init__.py	2008-01-20 20:07:02 +0000
+++ __init__.py	2010-08-04 04:51:49 +0000
@@ -141,11 +141,11 @@
         #   bzr grep foo -- -i file
         # and pass the -i through to grep.
 
+        files = []
+        options = [u'--color=always']
+

kmerenkov

# -*- coding: utf-8 -*-
class A(object):
    def do(self, x):
        print '  A.foo(%s)' % (x,)


class B(object):
    def do(self, x):
        print '  B.foo(%s)' % (x,)