120 lines
3.8 KiB
Python
120 lines
3.8 KiB
Python
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#! /usr/bin/env python
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# This script uploads a directory to Wandbox (http://melpon.org/wandbox),
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# which is an online compiler environment, and prints a permalink to the
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# uploaded code. We use this to provide a "Try it online" version of the
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# library to make the barrier to entry as low as possible.
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#
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# This script was adapted from the script proposed in
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# https://github.com/melpon/wandbox/issues/153.
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#
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# To know how to use this script: ./wandbox.py --help
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#
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# Copyright Louis Dionne 2015
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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import argparse
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import fnmatch
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import json
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import os
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import re
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import urllib2
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# Strips C and C++ comments from the given string.
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#
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# Copied from http://stackoverflow.com/a/241506/627587.
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def strip_comments(text):
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def replacer(match):
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s = match.group(0)
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if s.startswith('/'):
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return " " # note: a space and not an empty string
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else:
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return s
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pattern = re.compile(
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r'//.*?$|/\*.*?\*/|\'(?:\\.|[^\\\'])*\'|"(?:\\.|[^\\"])*"',
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re.DOTALL | re.MULTILINE
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)
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return re.sub(pattern, replacer, text)
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# Post the given JSON data to Wandbox's API, and return the result
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# as a JSON object.
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def upload(options):
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request = urllib2.Request('http://melpon.org/wandbox/api/compile.json')
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request.add_header('Content-Type', 'application/json')
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response = urllib2.urlopen(request, json.dumps(options))
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return json.loads(response.read())
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# Returns a list of the '.hpp' headers in the given directory and in
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# subdirectories.
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#
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# The path must be absolute, and the returned paths are all absolute too.
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def headers(path):
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return [
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os.path.join(dir, file)
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for (dir, _, files) in os.walk(path)
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for file in fnmatch.filter(files, "*.hpp")
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]
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def main():
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parser = argparse.ArgumentParser(description=
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"""Upload a directory to Wandbox (http://melpon.org/wandbox).
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On success, the program prints a permalink to the uploaded
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directory on Wandbox and returns 0. On error, it prints the
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response from the Wandbox API and returns 1.
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Note that the comments are stripped from all the headers in the
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uploaded directory.
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"""
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)
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parser.add_argument('directory', type=str, help=
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"""A directory to upload to Wandbox.
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The path may be either absolute or relative to the current directory.
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However, the names of the files uploaded to Wandbox will all be
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relative to this directory. This way, one can easily specify the
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directory to be '/some/project/include', and the uploaded files
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will be uploaded as-if they were rooted at '/some/project/include'
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""")
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parser.add_argument('main', type=str, help=
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"""The main source file.
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The path may be either absolute or relative to the current directory.
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"""
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)
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args = parser.parse_args()
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directory = os.path.abspath(args.directory)
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if not os.path.exists(directory):
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raise Exception("'%s' is not a valid directory" % args.directory)
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cpp = os.path.abspath(args.main)
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if not os.path.exists(cpp):
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raise Exception("'%s' is not a valid file name" % args.main)
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response = upload({
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'code': open(cpp).read(),
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'codes': [{
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'file': os.path.relpath(header, directory),
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'code': strip_comments(open(header).read())
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} for header in headers(directory)],
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'options': 'boost-nothing,c++11',
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'compiler': 'gcc-4.9.2',
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'save': True,
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'compiler-option-raw': '-I.'
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})
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if 'status' in response and response['status'] == '0':
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print response['url']
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return 0
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else:
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print response
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return 1
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exit(main())
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