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authorBenedikt Peetz <benedikt.peetz@b-peetz.de>2024-05-20 16:06:57 +0200
committerBenedikt Peetz <benedikt.peetz@b-peetz.de>2024-05-20 16:14:24 +0200
commit5156e1aae36a153be98b6832ab3ced7be2b2faee (patch)
tree3f050d3bc567af4c72f87e0925d21c3521436e45 /hm/soispha/conf/firefox/scripts/unzip_mozlz4.py
parentrefactor(hm/conf/zsh): Remove old zsh-prompt file (diff)
downloadnixos-config-5156e1aae36a153be98b6832ab3ced7be2b2faee.zip
refactor(hm): Rename to `modules/home`
Diffstat (limited to 'hm/soispha/conf/firefox/scripts/unzip_mozlz4.py')
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diff --git a/hm/soispha/conf/firefox/scripts/unzip_mozlz4.py b/hm/soispha/conf/firefox/scripts/unzip_mozlz4.py
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-#!/usr/bin/env python
-# source: https://unix.stackexchange.com/a/497861
-# Command-line tool to decompress mozLz4 files used for example by Firefox to store various kinds of session backup information.
-# Works in both Python 2.7.15 and 3.6.7, as of version 2.1.6 of the LZ4 Python bindings at pypi.org/project/lz4.
-# To use in another script, simply cut and paste the import statement and the mozlz4_to_text() function (lines 8 to 17).
-
-import lz4.block  # pip install lz4 --user
-
-
-def mozlz4_to_text(filepath):
-    # Given the path to a "mozlz4", "jsonlz4", "baklz4" etc. file,
-    # return the uncompressed text.
-    bytestream = open(filepath, "rb")
-    bytestream.read(8)  # skip past the b"mozLz40\0" header
-    valid_bytes = bytestream.read()
-    text = lz4.block.decompress(valid_bytes)
-    return text
-
-
-def main(args):
-    # Given command-line arguments of an input filepath for a ".mozlz4" file
-    # and optionally an output filepath, write the decompressed text to the
-    # output filepath.
-    # Default output filepath is the input filepath minus the last three characters
-    # (e.g. "foo.jsonlz4" becomes "foo.json")
-    filepath_in = args[0]
-    if len(args) < 2:
-        filepath_out = filepath_in[:-3]
-    else:
-        filepath_out = args[1]
-    text = mozlz4_to_text(filepath_in)
-    with open(filepath_out, "wb") as outfile:
-        outfile.write(text)
-    print("Wrote decompressed text to {}".format(filepath_out))
-
-
-if __name__ == "__main__":
-    import sys
-
-    args = sys.argv[1:]
-    if args and args[0] not in ("--help", "-h"):
-        main(args)
-    else:
-        print("Usage: mozlz4.py <mozlz4 file to read> <location to write>")