77 lines
2.1 KiB
Python
77 lines
2.1 KiB
Python
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import sys
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import os
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import magic
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import difflib
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def main(args):
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try:
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sourcedir, targetdir = args[1], args[2]
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except IndexError:
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print("invalid argument count")
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print("usage: python {0} sourcetree targettree > output.diff".format(
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args[0]))
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sys.exit(2)
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if sourcedir.endswith("/"):
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sourcedir = sourcedir[:-1]
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if targetdir.endswith("/"):
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targetdir = targetdir[:-1]
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sourcetree = {}
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for root, dnames, fnames in os.walk(sourcedir):
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for fname in fnames:
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fpath = os.path.join(root, fname)
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rpath = fpath.replace(sourcedir, "", 1)
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sourcetree[rpath] = fpath
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m = magic.open(magic.MAGIC_NONE)
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m.load()
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for root, dnames, fnames in os.walk(targetdir):
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for fname in fnames:
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fpath = os.path.join(root, fname)
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rpath = fpath.replace(targetdir, "", 1)
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sys.stderr.write('processing "%s"\n' % rpath)
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targetfile = fpath
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try:
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sourcefile = sourcetree[rpath]
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except KeyError:
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sys.stdout.write('Missing: %s\n' % rpath)
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continue
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# skip broken links
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if os.path.islink(targetfile) and not os.path.exists(targetfile):
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continue
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# check stat
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#sourcemode = os.stat(sourcefile).st_mode
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#targetmode = os.stat(targetfile).st_mode
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#if sourcemode != targetmode:
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# sys.stdout.write('Stat differ: %s\n' % rpath)
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ftype = m.file(fpath)
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# diff only text files
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if ftype not in ["ASCII text"]:
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continue
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with open(targetfile, "r") as fobj:
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target = fobj.readlines()
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with open(sourcefile) as fobj:
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source = fobj.readlines()
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# do a file diff
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for line in difflib.unified_diff(source, target,
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fromfile=sourcefile,
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tofile=targetfile):
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sys.stdout.write(line)
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if __name__ == "__main__":
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main(sys.argv)
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