| 1 | n/a | #! /usr/bin/env python3 |
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| 2 | n/a | |
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| 3 | n/a | "Replace tabs with spaces in argument files. Print names of changed files." |
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| 4 | n/a | |
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| 5 | n/a | import os |
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| 6 | n/a | import sys |
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| 7 | n/a | import getopt |
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| 8 | n/a | import tokenize |
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| 9 | n/a | |
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| 10 | n/a | def main(): |
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| 11 | n/a | tabsize = 8 |
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| 12 | n/a | try: |
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| 13 | n/a | opts, args = getopt.getopt(sys.argv[1:], "t:") |
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| 14 | n/a | if not args: |
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| 15 | n/a | raise getopt.error("At least one file argument required") |
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| 16 | n/a | except getopt.error as msg: |
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| 17 | n/a | print(msg) |
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| 18 | n/a | print("usage:", sys.argv[0], "[-t tabwidth] file ...") |
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| 19 | n/a | return |
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| 20 | n/a | for optname, optvalue in opts: |
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| 21 | n/a | if optname == '-t': |
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| 22 | n/a | tabsize = int(optvalue) |
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| 23 | n/a | |
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| 24 | n/a | for filename in args: |
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| 25 | n/a | process(filename, tabsize) |
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| 26 | n/a | |
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| 27 | n/a | |
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| 28 | n/a | def process(filename, tabsize, verbose=True): |
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| 29 | n/a | try: |
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| 30 | n/a | with tokenize.open(filename) as f: |
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| 31 | n/a | text = f.read() |
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| 32 | n/a | encoding = f.encoding |
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| 33 | n/a | except IOError as msg: |
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| 34 | n/a | print("%r: I/O error: %s" % (filename, msg)) |
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| 35 | n/a | return |
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| 36 | n/a | newtext = text.expandtabs(tabsize) |
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| 37 | n/a | if newtext == text: |
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| 38 | n/a | return |
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| 39 | n/a | backup = filename + "~" |
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| 40 | n/a | try: |
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| 41 | n/a | os.unlink(backup) |
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| 42 | n/a | except OSError: |
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| 43 | n/a | pass |
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| 44 | n/a | try: |
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| 45 | n/a | os.rename(filename, backup) |
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| 46 | n/a | except OSError: |
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| 47 | n/a | pass |
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| 48 | n/a | with open(filename, "w", encoding=encoding) as f: |
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| 49 | n/a | f.write(newtext) |
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| 50 | n/a | if verbose: |
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| 51 | n/a | print(filename) |
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| 52 | n/a | |
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| 53 | n/a | |
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| 54 | n/a | if __name__ == '__main__': |
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| 55 | n/a | main() |
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