153 lines
4.3 KiB
Python
Executable File
153 lines
4.3 KiB
Python
Executable File
#!/usr/bin/env python3
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#******************************************************************************
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# Copyright (C) 2018 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
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# This file is part of the textoutpc project, which is MIT-licensed.
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#******************************************************************************
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import re as _re
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import urllib.parse as _urlparse
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from html import escape as _htmlescape
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from .. import BlockTag as _BlockTag
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__all__ = ["VideoTag"]
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_hexcode = _re.compile('[a-zA-Z0-9_-]+')
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_numcode = _re.compile('^/[0-9]+$')
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_dailypath = _re.compile('^/video/([a-z0-9]+)$')
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class VideoTag(_BlockTag):
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""" The video tag, puts a preview of the video whose URL is given.
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Only a few 'big' services are supported for now.
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Example uses:
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[video]video_url[/video]
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[video=4:3]video_url[/video]
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[video tiny]video_url[/video tiny]
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[video]https://www.youtube.com/watch?v=yhXpV8hRKxQ[/video]
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"""
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aliases = ('[video]', '[video tiny]')
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raw = True
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def prepare(self, name, value):
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""" Prepare the video tag. """
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_align = {
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'center': ('center', False),
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'centre': ('center', False),
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'left': ('left', False),
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'right': ('right', False),
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'float': (None, True),
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'floating': (None, True),
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'float-left': ('left', True),
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'float-center': ('center', True),
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'float-centre': ('center', True),
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'float-right': ('right', True),
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}
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self._sizeclass = "video-tiny" if "tiny" in name \
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else None
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self._align = None
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self._float = False
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self._ratio = round(9 / 16, 4)
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for arg in map(str.strip, (value or "").split('|')):
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if not arg:
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pass
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elif arg[0] in '0123456789:':
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rx, ry = 16, 9
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rat = arg.split(':')
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try: rx = int(rat[0])
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except: pass
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try: ry = int(rat[1])
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except: pass
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self._ratio = round(ry / rx, 4)
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elif arg in _align:
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al, fl = _align[arg]
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if al != None:
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self._align = al
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if fl:
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self._float = True
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def _getvideo(self, url):
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""" Try to get the video type for preprocessing. """
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url = _urlparse.urlparse(url)
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if not url.scheme in ('http', 'https'):
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raise Exception
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if url.netloc == "youtu.be":
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self._id = url.path[1:]
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if not _hexcode.match(self._id):
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raise Exception
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self._type = "youtube"
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elif url.netloc in ('youtube.com', 'www.youtube.com'):
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if url.path != '/watch':
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raise Exception
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self._id = _urlparse.parse_qs(url.query)['v'][0]
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if not _hexcode.fullmatch(self._id):
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raise Exception
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self._type = "youtube"
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elif url.netloc in ('dailymotion.com', 'www.dailymotion.com'):
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self._code = _dailypath.match(url.path).groups()[0]
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self._type = "dailymotion"
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elif url.netloc in ('vimeo.com', 'www.vimeo.com'):
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self._code = url.path[1:]
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if not _numcode.match(self._code):
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raise Exception
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self._type = "vimeo"
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else:
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raise Exception
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def preprocess(self, content):
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self._url = content
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try:
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self._getvideo(content)
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except:
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url = _urlparse.urlparse(content)
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if not url.scheme in ('http', 'https'):
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raise Exception("No allowed prefix!")
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self._type = None
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def content_html(self):
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""" Produce the embed code for the given type. """
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if not self._type:
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url = _htmlescape(self._url)
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return '<p><a href="{}">{}</a></p>'.format(url, url)
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align = "float-" + (self._align or "left") if self._align \
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else self._align
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code = '<div class="video-wrapper{}{}"{}>' \
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.format(f" {self._sizeclass}" if self._sizeclass else "",
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f' img-{align}' if align else "",
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f' style="padding-bottom: {self._ratio}%"' \
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if self._ratio != round(9 / 16, 4) else "")
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if self._type == "youtube":
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code += '<iframe ' \
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'src="https://www.youtube.com/embed/{}" frameborder="0" ' \
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'allowfullscreen></iframe>'.format(self._id)
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elif self._type == "dailymotion":
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code += '<iframe frameborder="0" ' \
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'src="https://www.dailymotion.com/embed/video/{}">' \
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'</iframe>'.format(self._code)
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elif self._type == "vimeo":
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code += '<iframe src="https://player.vimeo.com/video/{}' \
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'?title=0&byline=0&portrait=0" frameborder="0" ' \
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'webkitAllowFullScreen allowFullScreen>' \
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'</iframe>'.format(self._code)
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return code + '</div>'
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def content_lightscript(self):
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url = self._url.replace('[', '%5B').replace(']', '%5D')
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return '[[image:{}]]'.format(url)
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# End of file.
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