42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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import codecs
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import ox
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from . import srt
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def _webvtt_timecode(t):
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return ox.format_duration(t * 1000, years=False)
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def encode(data, webvtt=False):
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"""Encodes subtitles into WebVTT format
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data: list of dicts with 'in', 'out': float and 'value': unicode
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Returns: a UTF-8-encoded bytestring
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>>> encode([{'in': 1.25, 'out': 60 * 60 + 1, 'value': u'touch\\u00E9'}])
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'\\xef\\xbb\\xbfWEBVTT\\r\\n\\r\\n1\\r\\n00:00:01.250 --> 01:00:01.000\\r\\ntouch\\xc3\\xa9\\r\\n\\r\\n'
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"""
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srt = u'WEBVTT\r\n\r\n'
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for i, s in enumerate(data, 1):
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srt += '%d\r\n%s --> %s\r\n%s\r\n\r\n' % (
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i,
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_webvtt_timecode(s['in']),
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_webvtt_timecode(s['out']),
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s['value'].replace('\n', '\r\n').strip()
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)
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return codecs.BOM_UTF8 + srt.encode('utf-8')
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def load(filename, offset=0):
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'''Parses vtt file
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filename: path to an vtt file
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offset (float, seconds): shift all in/out points by offset
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Returns list with dicts that have in, out, value and id
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'''
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return srt.load(filename, offset)
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