github-markdown-render/render_markdown.py at master · RomuloOliveira/github-markdown-render · GitHub

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#!/usr/bin/env python
# -*- coding: utf-8 -*-

import json
import sys
import requests

from os import path

HELP = '''
Converts a Markdown file into a html page using GitHub Markdown Rendering API
Usage:
    python render_markdown.py input [output]

        input
            Markdown file to render.

        output
            Output file to save rendering. Optional.
'''

B_CONTENT = '''
<html>
    <head>
    <meta http-equiv="content-type" content="text/html;charset=UTF-8" />
    <style>
        /* Get from https://gist.github.com/andyferra/2554919 in 07/23/2013 */
        body {
          font-family: Helvetica, arial, sans-serif;
          font-size: 14px;
          line-height: 1.6;
          padding-top: 10px;
          padding-bottom: 10px;
          background-color: white;
          padding: 30px; }

        body > *:first-child {
          margin-top: 0 !important; }
        body > *:last-child {
          margin-bottom: 0 !important; }

        a {
          color: #4183C4; }
        a.absent {
          color: #cc0000; }
        a.anchor {
          display: block;
          padding-left: 30px;
          margin-left: -30px;
          cursor: pointer;
          position: absolute;
          top: 0;
          left: 0;
          bottom: 0; }

        h1, h2, h3, h4, h5, h6 {
          margin: 20px 0 10px;
          padding: 0;
          font-weight: bold;
          -webkit-font-smoothing: antialiased;
          cursor: text;
          position: relative; }

        h1:hover a.anchor, h2:hover a.anchor, h3:hover a.anchor, h4:hover a.anchor, h5:hover a.anchor, h6:hover a.anchor {
          background: url("../../images/modules/styleguide/para.png") no-repeat 10px center;
          text-decoration: none; }

        h1 tt, h1 code {
          font-size: inherit; }

        h2 tt, h2 code {
          font-size: inherit; }

        h3 tt, h3 code {
          font-size: inherit; }

        h4 tt, h4 code {
          font-size: inherit; }

        h5 tt, h5 code {
          font-size: inherit; }

        h6 tt, h6 code {
          font-size: inherit; }

        h1 {
          font-size: 28px;
          color: black; }

        h2 {
          font-size: 24px;
          border-bottom: 1px solid #cccccc;
          color: black; }

        h3 {
          font-size: 18px; }

        h4 {
          font-size: 16px; }

        h5 {
          font-size: 14px; }

        h6 {
          color: #777777;
          font-size: 14px; }

        p, blockquote, ul, ol, dl, li, table, pre {
          margin: 15px 0; }

        hr {
          background: transparent url("../../images/modules/pulls/dirty-shade.png") repeat-x 0 0;
          border: 0 none;
          color: #cccccc;
          height: 4px;
          padding: 0; }

        body > h2:first-child {
          margin-top: 0;
          padding-top: 0; }
        body > h1:first-child {
          margin-top: 0;
          padding-top: 0; }
          body > h1:first-child + h2 {
            margin-top: 0;
            padding-top: 0; }
        body > h3:first-child, body > h4:first-child, body > h5:first-child, body > h6:first-child {
          margin-top: 0;
          padding-top: 0; }

        a:first-child h1, a:first-child h2, a:first-child h3, a:first-child h4, a:first-child h5, a:first-child h6 {
          margin-top: 0;
          padding-top: 0; }

        h1 p, h2 p, h3 p, h4 p, h5 p, h6 p {
          margin-top: 0; }

        li p.first {
          display: inline-block; }

        ul, ol {
          padding-left: 30px; }

        ul :first-child, ol :first-child {
          margin-top: 0; }

        ul :last-child, ol :last-child {
          margin-bottom: 0; }

        dl {
          padding: 0; }
          dl dt {
            font-size: 14px;
            font-weight: bold;
            font-style: italic;
            padding: 0;
            margin: 15px 0 5px; }
            dl dt:first-child {
              padding: 0; }
            dl dt > :first-child {
              margin-top: 0; }
            dl dt > :last-child {
              margin-bottom: 0; }
          dl dd {
            margin: 0 0 15px;
            padding: 0 15px; }
            dl dd > :first-child {
              margin-top: 0; }
            dl dd > :last-child {
              margin-bottom: 0; }

        blockquote {
          border-left: 4px solid #dddddd;
          padding: 0 15px;
          color: #777777; }
          blockquote > :first-child {
            margin-top: 0; }
          blockquote > :last-child {
            margin-bottom: 0; }

        table {
          padding: 0; }
          table tr {
            border-top: 1px solid #cccccc;
            background-color: white;
            margin: 0;
            padding: 0; }
            table tr:nth-child(2n) {
              background-color: #f8f8f8; }
            table tr th {
              font-weight: bold;
              border: 1px solid #cccccc;
              text-align: left;
              margin: 0;
              padding: 6px 13px; }
            table tr td {
              border: 1px solid #cccccc;
              text-align: left;
              margin: 0;
              padding: 6px 13px; }
            table tr th :first-child, table tr td :first-child {
              margin-top: 0; }
            table tr th :last-child, table tr td :last-child {
              margin-bottom: 0; }

        img {
          max-width: 100%; }

        span.frame {
          display: block;
          overflow: hidden; }
          span.frame > span {
            border: 1px solid #dddddd;
            display: block;
            float: left;
            overflow: hidden;
            margin: 13px 0 0;
            padding: 7px;
            width: auto; }
          span.frame span img {
            display: block;
            float: left; }
          span.frame span span {
            clear: both;
            color: #333333;
            display: block;
            padding: 5px 0 0; }
        span.align-center {
          display: block;
          overflow: hidden;
          clear: both; }
          span.align-center > span {
            display: block;
            overflow: hidden;
            margin: 13px auto 0;
            text-align: center; }
          span.align-center span img {
            margin: 0 auto;
            text-align: center; }
        span.align-right {
          display: block;
          overflow: hidden;
          clear: both; }
          span.align-right > span {
            display: block;
            overflow: hidden;
            margin: 13px 0 0;
            text-align: right; }
          span.align-right span img {
            margin: 0;
            text-align: right; }
        span.float-left {
          display: block;
          margin-right: 13px;
          overflow: hidden;
          float: left; }
          span.float-left span {
            margin: 13px 0 0; }
        span.float-right {
          display: block;
          margin-left: 13px;
          overflow: hidden;
          float: right; }
          span.float-right > span {
            display: block;
            overflow: hidden;
            margin: 13px auto 0;
            text-align: right; }

        code, tt {
          margin: 0 2px;
          padding: 0 5px;
          white-space: nowrap;
          border: 1px solid #eaeaea;
          background-color: #f8f8f8;
          border-radius: 3px; }

        pre code {
          margin: 0;
          padding: 0;
          white-space: pre;
          border: none;
          background: transparent; }

        .highlight pre {
          background-color: #f8f8f8;
          border: 1px solid #cccccc;
          font-size: 13px;
          line-height: 19px;
          overflow: auto;
          padding: 6px 10px;
          border-radius: 3px; }

        pre {
          background-color: #f8f8f8;
          border: 1px solid #cccccc;
          font-size: 13px;
          line-height: 19px;
          overflow: auto;
          padding: 6px 10px;
          border-radius: 3px; }
          pre code, pre tt {
            background-color: transparent;
            border: none; }
        </style>
    </head>
  <body>'''

A_CONTENT = '''
  </body>
</html>'''

def get_path(file):
    return path.expandvars(path.expanduser(file))

def parse_args():
    args = [get_path(arg.decode('utf-8')) for arg in sys.argv[1:]]

    arg_names = ['input', 'output', 'context']

    if 1 <= len(args) <= len(arg_names):

        # Returns a dict { input: '', output: '' }
        return dict(zip(arg_names, args))

    print HELP

def write_file(filename, content):
    fl = open(filename, 'wb')

    fl.write(B_CONTENT)
    fl.write(content)
    fl.write(A_CONTENT)

def execute():
    args = parse_args()
    if args:
        url = 'https://api.github.com/markdown'

        headers = {'Content-Type': 'application/json'}

        content = {
            'text': open(args['input'], 'rb').read(),
            'mode': 'gfm'
        }

        if 'context' in args:
            content['context'] = args['context']

        res = requests.post(url, data=json.dumps(content), headers=headers)

        if res.status_code == 200 and res.content:
            if 'output' in args:
                write_file(get_path(args['output']), res.content)
                print 'Done!'
            else:
                print B_CONTENT
                print res.content
                print A_CONTENT
        else:
            print 'Error (Status code {})'.format(res.status_code)
            print res.content

if __name__ == '__main__':
    execute()