37 lines
1.3 KiB
Python
37 lines
1.3 KiB
Python
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#!/usr/bin/env python
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# changelog:
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# 10/13/2005b: replaced the # in tmp(.#*)* with alphanumeric and _, this will then remove
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# nodes such as %tmp.1.i and %tmp._i.3
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# 10/13/2005: exntended to remove variables of the form %tmp(.#)* rather than just
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#%tmp.#, i.e. it now will remove %tmp.12.3.15 etc, additionally fixed a spelling error in
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# the comments
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# 10/12/2005: now it only removes nodes and edges for which the label is %tmp.# rather
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# than removing all lines for which the lable CONTAINS %tmp.#
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from __future__ import print_function
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import re
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import sys
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if len(sys.argv) < 3:
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print("usage is: ./DSAclean <dot_file_to_be_cleaned> <out_put_file>")
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sys.exit(1)
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# get a file object
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input = open(sys.argv[1], "r")
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output = open(sys.argv[2], "w")
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# we'll get this one line at a time...while we could just put the whole thing in a string
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# it would kill old computers
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buffer = input.readline()
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while buffer != "":
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if re.compile('label(\s*)=(\s*)"\s%tmp(.\w*)*(\s*)"').search(buffer):
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# skip next line, write neither this line nor the next
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buffer = input.readline()
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else:
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# this isn't a tmp Node, we can write it
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output.write(buffer)
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# prepare for the next iteration
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buffer = input.readline()
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input.close()
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output.close()
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