[bin] add test_dep_rewrite script (entropy dep_rewrites)
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41
bin/test_dep_rewrite
Executable file
41
bin/test_dep_rewrite
Executable file
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#!/usr/bin/python
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import sys
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import re
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if __name__ == "__main__":
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args = sys.argv[1:]
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if not args or len(args) < 3:
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sys.stderr.write(
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"%s <target dependency> <rewrite rule> "
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"<replace 1> [<replace 2> ...\n" % (sys.argv[0],))
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raise SystemExit(1)
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target, pattern, replaces = args[0], args[1], args[2:]
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sys.stdout.write("Target: %s\n" % (target,))
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sys.stdout.write("Pattern: %s\n" % (pattern,))
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sys.stdout.write("Rewrites: %s\n" % (", ".join(replaces),))
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if pattern.startswith("++"):
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sys.stderr.write("You are just asking to add dep, meh!\n")
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raise SystemExit(1)
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sys.stdout.write("\n")
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compiled_pattern = re.compile(pattern)
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if not compiled_pattern.match(target):
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sys.stderr.write("Error: Pattern does not match target dep\n")
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raise SystemExit(1)
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exit_st = 0
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for replace in replaces:
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new_target, number_of_subs = compiled_pattern.subn(
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replace, target)
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if number_of_subs:
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sys.stdout.write("%s -> %s\n" % (target, new_target))
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else:
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sys.stderr.write("Error, not replaced: %s -> %s\n" % (
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target, replace,))
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exit_st = 1
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raise SystemExit(exit_st)
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