145 lines
3.7 KiB
Python
Executable File
145 lines
3.7 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 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", "YoutubeTag"]
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_defaultratio_w = 16
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_defaultratio_h = 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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noinline = 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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'gauche': ('left', False),
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'right': ('right', False),
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'droite': ('right', False),
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'float': (None, True),
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'floating': (None, True),
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'flotte': (None, True),
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'flottant': (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 = None
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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 = _defaultratio_w, _defaultratio_h
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rn = 0
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rat = arg.split(':')
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try: rx = int(rat[0]); rn += 1
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except: pass
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try: ry = int(rat[1]); rn += 1
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except: pass
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if rn:
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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 preprocess(self, content):
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try:
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self._video = self.video(content)
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except:
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url = _urlparse.urlparse(content)
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if url.scheme not in ('http', 'https'):
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raise Exception("No allowed prefix!")
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self._video = content
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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 isinstance(self._video, str):
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url = _htmlescape(self._video)
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target = self.tweak("link_target", "").casefold()
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tattrs = ''
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if target == 'blank':
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tattrs = ' target="_blank" rel="noopener"'
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return '<p><a href="{}"{}>{}</a></p>'.format(url, tattrs, 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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if self._ratio:
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ratio = self._ratio * 100
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elif hasattr(self._video, 'ratio'):
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ratio = self._video.ratio * 100
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else:
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ratio = round(_defaultratio_h / _defaultratio_w, 4) * 100
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iratio = int(ratio)
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if ratio == iratio:
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ratio = iratio
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ratio = str(ratio)
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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: {ratio}%"')
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code += '<iframe src="{}" frameborder="0" allowfullscreen>' \
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'</iframe>'.format(self._video.embed)
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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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class YoutubeTag(VideoTag):
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""" Alias for the video tag with only the Youtube possibility.
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Example uses:
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[youtube]okMK1NYRySI[/youtube] """
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aliases = ('[youtube]',)
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def preprocess(self, content):
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super().preprocess(f'https://www.youtube.com/watch?v={content}')
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# End of file.
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