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100 lines
2 KiB
Python
Executable file
100 lines
2 KiB
Python
Executable file
#! /usr/bin/env python
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"""The Tab Police watches for possibly inconsistent indentation."""
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import os
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import sys
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import getopt
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import tokenize
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verbose = 0
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quiet = 0
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def main():
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global verbose, quiet
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try:
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opts, args = getopt.getopt(sys.argv[1:], "qv")
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except getopt.error, msg:
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print msg
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for o, a in opts:
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if o == '-v':
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verbose = verbose + 1
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quiet = 0
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if o == '-q':
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quiet = 1
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verbose = 0
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for arg in args:
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check(arg)
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def check(file):
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if os.path.isdir(file) and not os.path.islink(file):
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if verbose:
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print "%s: listing directory" % `file`
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names = os.listdir(file)
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for name in names:
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fullname = os.path.join(file, name)
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if (os.path.isdir(fullname) and
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not os.path.islink(fullname) or
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os.path.normcase(name[-3:]) == ".py"):
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check(fullname)
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return
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try:
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f = open(file)
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except IOError, msg:
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print "%s: I/O Error: %s" % (`file`, str(msg))
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return
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if verbose > 1:
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print "checking", `file`, "with tabsize 8..."
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tokens = []
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tokenize.tabsize = 8
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try:
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tokenize.tokenize(f.readline, tokens.append)
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except tokenize.TokenError, msg:
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print "%s: Token Error: %s" % (`file`, str(msg))
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if verbose > 1:
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print "checking", `file`, "with tabsize 1..."
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f.seek(0)
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alttokens = []
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tokenize.tabsize = 1
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try:
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tokenize.tokenize(f.readline, alttokens.append)
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except tokenize.TokenError, msg:
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print "%s: Token Error: %s" % (`file`, str(msg))
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f.close()
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if tokens == alttokens:
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if verbose:
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print "%s: Clean bill of health." % `file`
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elif quiet:
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print file
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else:
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badline = 0
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n, altn = len(tokens), len(alttokens)
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for i in range(max(n, altn)):
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if i >= n:
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x = None
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else:
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x = tokens[i]
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if i >= altn:
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y = None
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else:
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y = alttokens[i]
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if x != y:
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if x:
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kind, token, start, end, line = x
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else:
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kind, token, start, end, line = y
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badline = start[0]
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break
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if verbose:
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print "%s: *** Line %d: trouble in tab city! ***" % (
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`file`, badline)
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print "offending line:", `line`
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else:
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print file, badline, `line`
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if __name__ == '__main__':
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main()
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