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Use Python To Convert MM:SS Time Format To .ass Format

- 1 answer

I have a multi-line text with time in MM:SS format with the subtitle line from the video. I want to convert the MM:SS format to ass format, i.e. 00:MM:SS,000 and output with spaced tabs. I wrote this code

text = """02:42 02:47   And so that Wayne Gretzky method for sort of going into the future and
02:47   02:51   imagining what that future might look like, again, is a good idea for research."""
for line in text.splitlines():
    words_in_line = line.split('\t')
    for word in words_in_line:
        if ":" in word:
                ass= "00:"+word +",000"
                final_line = line.replace(word,ass)
                print(final_line)

it converts the format, but it only converts one of the times in each line, then the other on a separate line, giving an output like this

00:02:42,000    02:47   And so that Wayne Gretzky method for sort of going into the future and
02:42   00:02:47,000    And so that Wayne Gretzky method for sort of going into the future and
00:02:47,000    02:51   imagining what that future might look like, again, is a good idea for research.
02:47   00:02:51,000    imagining what that future might look like, again, is a good idea for research.

How can I change the code to get an output like this?

00:02:42,000    00:02:47,000    And so that Wayne Gretzky method for sort of going into the future and
00:02:47,000    00:02:51,000    imagining what that future might look like, again, is a good idea for research.
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Answer

Something like this seems to do the trick:

text = """
02:42 02:47   And so that Wayne Gretzky method for sort of going into the future and
02:47   02:51   imagining what that future might look like, again, is a good idea for research.
"""


def convert_time(t):
    return f"00:{t},000"


for line in text.splitlines():
    try:
        start, end, text = line.split(None, 2)
    except ValueError:  # if the line is out of spec, just print it
        print(line)
        continue
    start = convert_time(start)
    end = convert_time(end)
    print(start, end, text, sep="\t")

The output is

00:02:42,000    00:02:47,000    And so that Wayne Gretzky method for sort of going into the future and
00:02:47,000    00:02:51,000    imagining what that future might look like, again, is a good idea for research.
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source: stackoverflow.com
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