74 lines
2.0 KiB
Python
74 lines
2.0 KiB
Python
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try:
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from urllib.request import urlopen
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except ImportError:
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from urllib import urlopen
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import os
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import io
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from docutils.parsers.rst import directives
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from pelican.rstdirectives import Pygments
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def fetch(gid, filename, typ):
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if not os.path.exists('.gists'):
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os.mkdir('.gists')
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key = os.path.join('.gists', ("%s/%s/%s" % (typ, gid, filename)).replace('/', ';'))
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if os.path.isfile(key):
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print('LOAD-CACHED:', key)
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return io.open(key, encoding='utf8').read()
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else:
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if typ == 'gist':
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url = 'https://gist.githubusercontent.com/%s/raw/%s' % (gid, filename)
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elif typ == 'github':
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url = 'https://raw.githubusercontent.com/%s/%s' % (gid, filename)
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else:
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raise RuntimeError(typ)
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print('FETCHING:', url)
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fp = urlopen(url)
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if fp.getcode() != 200:
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print('FAILED TO FETCH:', url)
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print(' status code:', fp.getcode())
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print(' response:')
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try:
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print(fp.read())
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finally:
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raise SystemExit()
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data = fp.read()
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with open(key, 'wb') as fh:
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fh.write(data)
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return data.decode('utf8')
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class Gist(Pygments):
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""" Embed Github Gist Snippets in rst text
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GIST_ID and FILENAME are required.
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Usage:
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.. gist:: GIST_ID FILENAME
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"""
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required_arguments = 1
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optional_arguments = 2
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has_content = False
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gist_type = 'gist'
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def run(self):
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gist = self.arguments[0]
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filename = self.arguments[1] if len(self.arguments) > 1 else ''
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language = self.arguments[2] if len(self.arguments) > 2 else None
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self.arguments = [language]
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self.content = fetch(gist, filename, self.gist_type).splitlines()
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return super(Gist, self).run()
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class Github(Gist):
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gist_type = 'github'
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def register():
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directives.register_directive('gist', Gist)
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directives.register_directive('github', Github)
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