pygist.py

#!/usr/bin/env python3
"""
Python command line client for gist.github.com

Based on Chris Wanstrath's ruby gist client:
    http://github.com/defunkt/gist/tree/master

Basic usage:
    cat file.txt | pygist
    pygist file1 file2 file3 file4
    pygist -p file1
    echo 'hello world' | pygist -a
    pygist -g 1234 > something.txt

"""
__author__ = 'Matt Kemp <matt@mattikus.com>'
__version__ = 'pygist 2.0 3/5/11'
__license__ = """
Copyright (c) 2011 Matt Kemp <matt@mattikus.com>

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
"""

import os
import sys
import subprocess

from argparse import ArgumentParser, RawDescriptionHelpFormatter
from urllib.request import urlopen
from urllib.parse import urlencode

site = 'https://gist.github.com/gists'

def get_gh_login():
    cmd = subprocess.getoutput('which git')
    if not cmd:
        return

    user = subprocess.getoutput('{0} config --global github.user'.format(cmd))
    token = subprocess.getoutput('{0} config --global github.token'.format(cmd))

    return user, token

def gen_request(files, private, anon, description):
    i = 0
    data = {}

    if not anon:
        user, token = get_gh_login()
        if all((user, token)):
            data['login'] = user
            data['token'] = token

        if private:
            data['private'] = 'on'

    if description:
      data['description'] = description

    for filename in files:
        i += 1
        if filename is sys.stdin:
            filename = ''
            extension = ''
            contents = sys.stdin.read()
        else:
            if not os.path.isfile(filename):
                print("'{0}' does not exist or is not a regular file".format(filename))
                sys.exit()
            extension = os.path.splitext(filename)[1]
            with open(filename) as file:
                contents = file.read()

        data['file_ext[gistfile{0:d}]'.format(i)] = extension
        data['file_name[gistfile{0:d}]'.format(i)] = os.path.basename(filename)
        data['file_contents[gistfile{0:d}]'.format(i)] = contents


    return urlencode(data).encode('utf8')

def get_gist(id):
    url = 'https://gist.github.com/%s.txt' % id
    with urlopen(url) as info:
        data = info.read()
    sys.stdout.write(data.decode('utf8'))

def copy_paste(url):
    cmd = None
    if sys.platform == 'darwin':
        cmd = cmd or subprocess.getoutput('which pbcopy')
    cmd = cmd or subprocess.getoutput('which xclip')
    if cmd:
        output = subprocess.Popen(cmd, stdin=subprocess.PIPE)
        output.stdin.write(url)
        output.stdin.close()
        return True
    else:
        return False

def main():
    parser = ArgumentParser(description=__doc__,
                            formatter_class=RawDescriptionHelpFormatter)
    parser.add_argument('-v', '--version', action='version', version=__version__)
    parser.add_argument('-g', dest='gist_id',
                        help='retreive a paste identified by the gist id')
    parser.add_argument('-d', dest='description',
                        help='description of the gist')
    parser.add_argument('-p', dest='private', action='store_true',
                        help='set for private gist')
    parser.add_argument('-a', dest='anon', action='store_true',
                        help='set for anonymous gist')
    parser.add_argument('file', nargs='*', help='file to paste to gist')
    args = parser.parse_args()

    if args.gist_id:
        get_gist(args.gist_id)
        sys.exit()

    if sys.stdin.isatty() and not args.file:
        parser.print_help()
        sys.exit(1)

    if len(args.file) < 1:
        data = gen_request([sys.stdin], args.private, args.anon, args.description)
    else:
        data = gen_request(args.file, args.private, args.anon, args.description)

    with urlopen(site, data) as info:
        url = info.geturl()

    if copy_paste(url.encode('utf8')):
        print('{0} | copied to clipboard successfully.'.format(url))
    else:
        print('{0}'.format(url))

if __name__ == '__main__':
    main()