https://dsss.be/w/ 2026-05-04T02:25:59+00:00 https://dsss.be/w/ https://dsss.be/w/_media/wiki:dokuwiki.svg text/html 2012-08-15T04:20:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://dsss.be/w/python:colorization_and_tab_completion_for_the_python_shell?rev=1345004404&do=diff Make a .pythonrc file: # Python startup environment -- color prompt and tab completion # 2012-08-14 -- Tyler Bletsch import sys,os,re import itertools if sys.stdout.isatty(): try: import readline except ImportError: print "Module readline not available." else: import rlcompleter readline.parse_and_bind("tab: complete") # ANSI coloring with readline escape codes def c(s=''): return '\001\033[%sm\002' % s if os.environ.get('TERM') in ('xterm', 'vt100'): sys.ps1 = c('0;36;… text/html 2012-08-29T15:43:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://dsss.be/w/python:defer_to_another_program_in_the_path_if_available?rev=1346255004&do=diff Defer to another program in the PATH if available Let's say you want a custom replacement for a program on systems that don't have it, but you want to use the native binary on systems that do. Let's further assume that you want to put one file in your path everywhere and have it do the right thing (for example, if you're sharing an NFS home directory between diverse machines). The text/html 2024-07-09T14:28:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://dsss.be/w/python:index?rev=1720535337&do=diff Python * Python virtual environment recipe * Colorization and tab completion for the python shell * Defer to another program in the PATH, if available * SOCKSv4 proxy - Simple proxy in pure python. * virtualenv - A recipe to download and deploy Python 2.7 in your home directory without dependencies (except gcc) * optparse * IntVectorRange * Progress bar * Simple DynDNS updater # use this like a dictonary (d['thing']) OR an object (d.thing) class DictObject(dict): def __g… text/html 2012-09-25T20:04:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://dsss.be/w/python:intvectorrange?rev=1348603494&do=diff # gives all possible integer vectors between two endpoints, inclusively. For example: # IntVectorRange([0,0,2], [1,1,3]) yields: # [0, 0, 2] # [1, 0, 2] # [0, 1, 2] # [1, 1, 2] # [0, 0, 3] # [1, 0, 3] # [0, 1, 3] # [1, 1, 3] # if only one argument is given to __init__, then the range goes from [0,0,...,0] to the vector given class IntVectorRange(object): def __init__(self,start,end=None): if end is None: end=start start=[0] * len(end) … text/html 2011-06-06T00:40:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://dsss.be/w/python:optparse?rev=1307320808&do=diff from optparse import OptionParser things = { 'this_thing': this, 'that_thing': that, 'the_other': get_the_other(), } parser = OptionParser("Usage: %prog [options] <files ...>") # uncomment if you need to ignore options after the first argument, e.g. "mywrapper -x ls -l" # parser.disable_interspersed_args() parser.add_option("-n", "--number", dest="number", help="Quantity of things", metavar="NUM", type="int") parser.add_option("-h", "--host", dest="hostname", help="Hos… text/html 2012-08-31T00:33:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://dsss.be/w/python:progress_bar?rev=1346373207&do=diff Progress Bar for Console Programs as Iterator From here. import sys def progressbar(it, prefix = "", size = 60, show_every=1): count = len(it) def _show(_i): if _i % show_every != 0: return x = int(size*_i/count) sys.stdout.write("%s[%s%s] %i/%i\r" % (prefix, "#"*x, "."*(size-x), _i, count)) sys.stdout.flush() _show(0) for i, item in enumerate(it): yield item _show(i+1) sys.stdout.write("\n") sys.stdout.flush() text/html 2012-08-15T20:54:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://dsss.be/w/python:simple_dyndns_updater?rev=1345064095&do=diff Syntax: dyndns-update.py <user> <password> <host> [ip] import sys,os,re import urllib,socket def update(user,password,host,ip): url = "http://%s:%s@members.dyndns.org/nic/update?hostname=%s&myip=%s" % (user,password,host,ip) return urllib.urlopen(url).read() def local_ip(): return socket.gethostbyname(socket.gethostname()) if len(sys.argv) < 4: print "Syntax: %s <user> <password> <host> [ip]" % sys.argv[0] sys.exit(1) (user,password,host) = sys.argv… text/html 2011-05-20T20:50:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://dsss.be/w/python:socksv4_proxy?rev=1305924648&do=diff This is a simple SOCKSv4 proxy written in pure python. Suitable for use with browsers. #!/usr/bin/python import sys import socket import struct import thread from optparse import OptionParser # Very simple multi-threaded SOCKSv4(a) proxy # by Tyler Bletsch (Tyler.Bletsch at gmail dot com) parser = OptionParser("Usage: %prog [options]") parser.add_option("-p", "--port", dest="listen_port", help="Port on which to listen (default: %default).", metavar="PORT", type="int", default=1080) parser… text/html 2011-01-05T22:48:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://dsss.be/w/python:virtualenv?rev=1294267698&do=diff The script below is a recipe to download and deploy Python 2.7 in your home directory without dependencies (except gcc). It also uses virtualenv to deploy a virtual Python environment, then uses the included setuptools pip utility to install the numpy