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توضیحات

Replace sed/grep/cut/awk by letting you execute Python one-liners in your ordinary shell, like perl does.

ویژگی	مقدار
سیستم عامل	OS Independent
نام فایل	Pyped-1.4
نام	Pyped
نسخه کتابخانه	1.4
نگهدارنده	[]
ایمیل نگهدارنده	[]
نویسنده	Kevin Samuel
ایمیل نویسنده	kevin.samuel@yandex.com
آدرس صفحه اصلی	http://github.com/ksamuel/Pyped
آدرس اینترنتی	https://pypi.org/project/Pyped/
مجوز	GPL2

Pyped: command that pipes data from bash to Python, and vice-versa ================================================================= *WARNING: since the last version the command line name "py" has been renamed to "pyp" to avoid conflict with the new tool in the Python stdlib named "py". It means pyped is now incompatible with the "Python Power at the Prompt" project sharing the same name and goals.* Pyped is a command-line tool that let you process another command output with a Python one-liner like Perl or AWK. Ever wish you could do this:: $ ps aux | pyp "line = x.split()" "print(line[1], line[-1])" | grep worker 18921 [kworker/1:2] 22489 [kworker/3:0] 24065 [kworker/3:3] 24869 [kworker/u:3] 25463 [kworker/u:1] 25511 [kworker/2:2] 25720 [kworker/0:2] 26343 [kworker/0:1] 26491 [kworker/2:0] 26569 [kworker/1:0] 26592 [kworker/u:0] 26861 worker Or this:: $ ls -1 | pyp -i "for x in Counter(path(x.split()[-1]).ext for x in l).items(): print(x)" (u'.sh', 2) ('', 3) (u'.sh~', 3) (u'.py', 4) (u'.desktop', 1) Pyped make that possible by giving you the `py` commande. How to install ? ================= Just type:: pip install pyped It works with Python 2.7 and 3.4, although it uses __future__ imports to enforce a lot of 3.X stuff such as unicode literals and the print() function. How to use ? ============= Usage:: $ pyp "any python one-liner" $ shell_command | pyp [options] "any python one-liner" [another python one-liner] [| another_shell_function] In the second example, you pipe data to pyped. In that case, you python code will have access to the variable `x`, which will be a line from stdin converted to unicode (with no ending '\n'). Each line from stdin will be stuffed to `x` one by one, and your python code will be executed for each new value for `x` You'll also have access to the variable `i`, an integer incremented at each call of you Python statement, starting from 0. Your code MUST print something, if you wish something to appear. Without Pyped:: $ echo "test" test $ ls /etc | tail wordpress wpa_supplicant X11 xdg xml xul-ext xulrunner-1.9.2 y-ppa-manager.conf zsh zsh_command_not_found With Pyped:: $ pyp "print('test')" test $ ls /etc/ | tail -n 4 | pyp "print('%s %s' % (i, x.upper()))" 0 WPA_SUPPLICANT 1 X11 2 XDG 3 XML You can even make long one time scripts:: $ ps aux | pyp " if i > 0: values = x.split() user, pid = values[:2] command = ' '.join(values[10:]) if user != 'root': print('\"%s\";\"%s\";\"%s\"' % (user.upper(), pid, command)) " "SYSLOG";"741";"rsyslogd -c5" "AVAHI";"788";"avahi-daemon: running" "AVAHI";"791";"avahi-daemon: chroot helper" "DAEMON";"1271";"atd" "WHOOPSIE";"1289";"whoopsie" "MYSQL";"1304";"/usr/sbin/mysqld" "ME";"1699";"ps aux" "ME";"2167";"-" "TIMIDITY";"2202";"/usr/bin/timidity -Os -iAD" "RTKIT";"2594";"/usr/lib/rtkit/rtkit-daemon" "ME";"2763";"/usr/bin/gnome-keyring-daemon --daemonize --login" "ME";"2774";"gnome-session --session=ubuntu" Options ======= -i *** If you pass `-i`, then `x` will not exists, but `l` will contain an iterable for which each call to `next()` return a line of stdin, converted to unicode. It is mainly used for processing you wish to apply to the whole stdin such as joining or for global counters. E.G:: $ ls /etc/ | tail -n 4 | pyp -i "print('-'.join(i.strip() for i in l))" wpa_supplicant-X11-xdg-xml -p *** Automatically print the result of your Python expression. E.G:: $ ls /etc/ | tail -n 4 | pyp -p 'x.upper()' WPA_SUPPLICANT X11 XDG XML If your expression returns None, the line is not printed. WARNING : other flags usually accept Python **statement** (if, for, etc). If you use this flag, most of them will now only accect **expressions** (stuff you can pass directly to the print function). -s *** Split input using a Python regex. Result will be stored in "f". 'x', 'i' and 'stdin' are still available. E.G:: $ echo "a b c" | pyp -s "\s+" "print(f)" [u'a', u'b', u'c'] $ echo "a-b-c" | pyp -s "-" "print(f)" "print(x)" [u'a', u'b', u'c'] a-b-c -f *** Filter input using a Python expression (like grep, but on any python condition). E.G:: $ cat /etc/fstab | pyp -f 'len(x) < 45 and "/" in x' # / was on /dev/sda7 during installation # swap was on /dev/sda6 during installation If an exception is raised in quiet mode, the line is skiped. WARNING : other flags accept Python **statement** (if, for, etc). This flags only accept **expressions** (stuff you can pass directly a if keyword). -b *** Pass a statement you wish to run BEFORE reading from stdin. Mainly used for imports. E.G:: $ ls /etc/ | tail -n 4 | pyp "print(pickle.dumps(x))" -b "import pickle" Vwordpress p0 . Vwpa_supplicant p0 . VX11 This is executed only once. -a *** Pass a statement you wish to run AFTER reading all stdin. Is is executed in a finally clause, so it runs even if your code fails before. Mainly used for counters and cleanup. E.G:: $ ls /etc/ | tail -n 4 | pyp "x" -a 'print(i)' wpa_supplicant X11 xdg xml 3 This is executed only once. -q *** Quietly ignore exceptions. --full ***************** Pass the entire content of the standard input in a "stdin" variable. E.G:: $ cat /etc/fstab | pyp "print(len(x))" 45 1 62 74 63 1 70 40 93 43 91 118 $ cat /etc/fstab | pyp --full "print(len(stdin))" 713 --stdin-charset ***************** Force the charset to decode input. Otherwise, we try to detect it, and fallback on UTF-8 if it fails. E.G:: $ ls /etc/ | tail -n 4 | pyp "x.split('-')[0]" --stdin-charset ascii wpa_supplicant X11 xdg xml Be careful, that could fail miserably if you choose a bad charset: $ ls /etc/ | tail -n 4 | pyp "é" --stdin-charset ascii 'ascii' codec can't decode byte 0xc3 in position 0: ordinal not in range(128) --rstrip ************ Each line from stdin has .rstrip('\n') applied to it before being passed to your code so you can call `print()` without thinking about it. However, if you do wish to keep the line breaks, use --rstrip=''. The usual result:: $ ls /etc/ | pyp -i "for x in list(l)[:5]: print(x)" total 2,5M drwxr-xr-x 204 root root 12K déc. 1 16:40 . drwxr-xr-x 26 root root 4,0K nov. 12 07:37 .. drwxr-xr-x 3 root root 4,0K mars 7 2013 acpi -rw-r--r-- 1 root root 3,0K avril 26 2011 adduser.conf The result if you supress right stripping:: $ ls /etc/ | pyp -i "for x in list(l)[:5]: print(x)" --rstrip='' total 2,5M drwxr-xr-x 204 root root 12K déc. 1 16:40 . drwxr-xr-x 26 root root 4,0K nov. 12 07:37 .. drwxr-xr-x 3 root root 4,0K mars 7 2013 acpi -rw-r--r-- 1 root root 3,0K avril 26 2011 adduser.conf --json ************ Parse stdin as JSON, and make the whole thing accessible in a "j" variable. $ echo '[{"foo": "bar"}]' | pyp -j "print(j[0]['foo'])" bar Imports ========== Before doing any processing, we import several modules so they are immediatly available in your Python code:: import sys import os import re import json import base64 import calendar import csv import itertools import random import hashlib import tempfile import argparse import random import math from itertools import * from uuid import uuid4 from datetime import datetime, timedelta from collections import Counter, OrderedDict We also import these 4 third party libraries:: import arrow # better datetime import requests # better http request from minibelt import * # better itertools from path import path # better path handling They should have been installed by setuptools automatically, so if you use pip or easy_install, you are good to go. If you didn't, and you don't have them installed, these imports will be ignored. While Pyped is based on Python 2.7, it also imports some backported features from Python 3:: from __future__ import (unicode_literals, absolute_import, print_function, division) This means `print` is a function, any string is unicode by default and does not need to be prefixed by `u`, division doesn't truncate and imports are absolute (but you can use the relative import syntax). This way, pyped run on Python 3.

نحوه نصب

نصب پکیج whl Pyped-1.4:

pip install Pyped-1.4.whl

نصب پکیج tar.gz Pyped-1.4:

pip install Pyped-1.4.tar.gz