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A tiny library for parsing, modifying, and composing SRT files.

Project description

Linux and Mac tests Windows tests Coverage Dependencies

srt is a tiny Python library for parsing, modifying, and composing SRT files. Take a look at the quickstart for a basic overview of the library. Detailed API documentation is also available.

Want to see some examples of its use? Take a look at the tools shipped with the library.

Why choose this library?

Usage

Tools

There are a number of tools shipped with the library to manipulate, process, and fix SRT files. Here’s an example using hanzidentifier to strip out non-Chinese lines:

$ cat pe.srt
1
00:00:33,843 --> 00:00:38,097
Only 3% of the water on our planet is fresh.
地球上只有3%的水是淡水

2
00:00:40,641 --> 00:00:44,687
Yet, these precious waters are rich with surprise.
可是这些珍贵的淡水中却充满了惊奇

$ srt lines-matching -m hanzidentifier -f hanzidentifier.has_chinese -i pe.srt
1
00:00:33,843 --> 00:00:38,097
地球上只有3%的水是淡水

2
00:00:40,641 --> 00:00:44,687
可是这些珍贵的淡水中却充满了惊奇

These tools are easy to chain together, for example, say you have one subtitle with Chinese and English, and other with French, but you want Chinese and French only. Oh, and the Chinese one is 5 seconds later than it should be. That’s easy enough to sort out:

$ srt lines-matching -m hanzidentifier -f hanzidentifier.has_chinese -i chs+eng.srt |
>     srt fixed-timeshift --seconds -5 |
>     srt mux --input - --input fra.srt

See the srt_tools/ directory for more information.

Library

Detailed API documentation is available, but here are the basics:

>>> # list() is needed as srt.parse creates a generator
>>> subs = list(srt.parse('''\
... 1
... 00:00:33,843 --> 00:00:38,097
... 地球上只有3%的水是淡水
...
... 2
... 00:00:40,641 --> 00:00:44,687
... 可是这些珍贵的淡水中却充满了惊奇
...
... 3
... 00:00:57,908 --> 00:01:03,414
... 所有陆地生命归根结底都依赖於淡水
...
... '''))
>>> subs
[Subtitle(index=1, start=datetime.timedelta(0, 33, 843000), end=datetime.timedelta(0, 38, 97000), content='地球上只有3%的水是淡水', proprietary=''),
 Subtitle(index=2, start=datetime.timedelta(0, 40, 641000), end=datetime.timedelta(0, 44, 687000), content='可是这些珍贵的淡水中却充满了惊奇', proprietary=''),
 Subtitle(index=3, start=datetime.timedelta(0, 57, 908000), end=datetime.timedelta(0, 63, 414000), content='所有陆地生命归根结底都依赖於淡水', proprietary='')]
>>> print(srt.compose(subs))
1
00:00:33,843 --> 00:00:38,097
地球上只有3%的水是淡水

2
00:00:40,641 --> 00:00:44,687
可是这些珍贵的淡水中却充满了惊奇

3
00:00:57,908 --> 00:01:03,414
所有陆地生命归根结底都依赖於淡水

Installation

To install the latest stable version from PyPi:

pip install -U srt

To install the latest development version directly from GitHub:

pip install -U git+https://github.com/cdown/srt.git@develop

Testing

tox

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Filename, size & hash SHA256 hash help File type Python version Upload date
srt-1.6.0.tar.gz (19.6 kB) Copy SHA256 hash SHA256 Source None Aug 26, 2017

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