contrib/check-code.py
author Matt Mackall <mpm@selenic.com>
Wed, 09 Nov 2011 16:36:54 -0600
changeset 15457 1470f8b00694
parent 15389 3bece03bf3c6
child 15502 7917a104a285
permissions -rwxr-xr-x
check-code: enable camelcase check, fix up problems
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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#!/usr/bin/env python
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#
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# check-code - a style and portability checker for Mercurial
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#
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# Copyright 2010 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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import re, glob, os, sys
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import keyword
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import optparse
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def repquote(m):
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    t = re.sub(r"\w", "x", m.group('text'))
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    t = re.sub(r"[^\s\nx]", "o", t)
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    return m.group('quote') + t + m.group('quote')
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def reppython(m):
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    comment = m.group('comment')
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    if comment:
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        return "#" * len(comment)
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    return repquote(m)
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def repcomment(m):
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    return m.group(1) + "#" * len(m.group(2))
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def repccomment(m):
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    t = re.sub(r"((?<=\n) )|\S", "x", m.group(2))
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    return m.group(1) + t + "*/"
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def repcallspaces(m):
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    t = re.sub(r"\n\s+", "\n", m.group(2))
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    return m.group(1) + t
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def repinclude(m):
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    return m.group(1) + "<foo>"
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def rephere(m):
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    t = re.sub(r"\S", "x", m.group(2))
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    return m.group(1) + t
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testpats = [
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  [
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    (r'(pushd|popd)', "don't use 'pushd' or 'popd', use 'cd'"),
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    (r'\W\$?\(\([^\)\n]*\)\)', "don't use (()) or $(()), use 'expr'"),
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    (r'^function', "don't use 'function', use old style"),
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    (r'grep.*-q', "don't use 'grep -q', redirect to /dev/null"),
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    (r'echo.*\\n', "don't use 'echo \\n', use printf"),
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    (r'echo -n', "don't use 'echo -n', use printf"),
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    (r'^diff.*-\w*N', "don't use 'diff -N'"),
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    (r'(^| )wc[^|]*$\n(?!.*\(re\))', "filter wc output"),
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    (r'head -c', "don't use 'head -c', use 'dd'"),
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    (r'sha1sum', "don't use sha1sum, use $TESTDIR/md5sum.py"),
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    (r'ls.*-\w*R', "don't use 'ls -R', use 'find'"),
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    (r'printf.*\\\d\d\d', "don't use 'printf \NNN', use Python"),
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    (r'printf.*\\x', "don't use printf \\x, use Python"),
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    (r'\$\(.*\)', "don't use $(expr), use `expr`"),
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    (r'rm -rf \*', "don't use naked rm -rf, target a directory"),
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    (r'(^|\|\s*)grep (-\w\s+)*[^|]*[(|]\w',
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     "use egrep for extended grep syntax"),
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    (r'/bin/', "don't use explicit paths for tools"),
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    (r'\$PWD', "don't use $PWD, use `pwd`"),
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    (r'[^\n]\Z', "no trailing newline"),
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    (r'export.*=', "don't export and assign at once"),
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    (r'^([^"\'\n]|("[^"\n]*")|(\'[^\'\n]*\'))*\\^', "^ must be quoted"),
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    (r'^source\b', "don't use 'source', use '.'"),
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    (r'touch -d', "don't use 'touch -d', use 'touch -t' instead"),
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    (r'ls +[^|\n-]+ +-', "options to 'ls' must come before filenames"),
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    (r'[^>\n]>\s*\$HGRCPATH', "don't overwrite $HGRCPATH, append to it"),
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    (r'^stop\(\)', "don't use 'stop' as a shell function name"),
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    (r'(\[|\btest\b).*-e ', "don't use 'test -e', use 'test -f'"),
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  ],
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  # warnings
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  []
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]
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testfilters = [
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    (r"( *)(#([^\n]*\S)?)", repcomment),
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    (r"<<(\S+)((.|\n)*?\n\1)", rephere),
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]
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uprefix = r"^  \$ "
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uprefixc = r"^  > "
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utestpats = [
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  [
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    (r'^(\S|  $ ).*(\S[ \t]+|^[ \t]+)\n', "trailing whitespace on non-output"),
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    (uprefix + r'.*\|\s*sed', "use regex test output patterns instead of sed"),
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    (uprefix + r'(true|exit 0)', "explicit zero exit unnecessary"),
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    (uprefix + r'.*\$\?', "explicit exit code checks unnecessary"),
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    (uprefix + r'.*\|\| echo.*(fail|error)',
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     "explicit exit code checks unnecessary"),
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    (uprefix + r'set -e', "don't use set -e"),
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    (uprefixc + r'( *)\t', "don't use tabs to indent"),
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  ],
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  # warnings
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  []
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]
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for i in [0, 1]:
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    for p, m in testpats[i]:
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        if p.startswith(r'^'):
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            p = uprefix + p[1:]
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        else:
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            p = uprefix + ".*" + p
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        utestpats[i].append((p, m))
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utestfilters = [
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    (r"( *)(#([^\n]*\S)?)", repcomment),
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]
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pypats = [
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  [
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    (r'^\s*def\s*\w+\s*\(.*,\s*\(',
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     "tuple parameter unpacking not available in Python 3+"),
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    (r'lambda\s*\(.*,.*\)',
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     "tuple parameter unpacking not available in Python 3+"),
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    (r'(?<!def)\s+(cmp)\(', "cmp is not available in Python 3+"),
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    (r'\breduce\s*\(.*', "reduce is not available in Python 3+"),
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    (r'\.has_key\b', "dict.has_key is not available in Python 3+"),
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    (r'^\s*\t', "don't use tabs"),
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   123
    (r'\S;\s*\n', "semicolon"),
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   124
    (r'\w,\w', "missing whitespace after ,"),
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   125
    (r'\w[+/*\-<>]\w', "missing whitespace in expression"),
15281
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
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parents: 14978
diff changeset
   126
    (r'^\s+\w+=\w+[^,)\n]$', "missing whitespace in assignment"),
15372
695ac6aca77f check-code: fix issues with finding patterns in unified tests, fix tests
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parents: 15364
diff changeset
   127
    (r'(\s+)try:\n((?:\n|\1\s.*\n)+?)\1except.*?:\n'
15281
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   128
     r'((?:\n|\1\s.*\n)+?)\1finally:', 'no try/except/finally in Py2.4'),
10281
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parents:
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   129
    (r'.{85}', "line too long"),
15372
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parents: 15364
diff changeset
   130
    (r' x+[xo][\'"]\n\s+[\'"]x', 'string join across lines with no space'),
10281
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parents:
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   131
    (r'[^\n]\Z', "no trailing newline"),
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   132
    (r'(\S[ \t]+|^[ \t]+)\n', "trailing whitespace"),
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parents: 14978
diff changeset
   133
#    (r'^\s+[^_ \n][^_. \n]+_[^_\n]+\s*=', "don't use underbars in identifiers"),
15457
1470f8b00694 check-code: enable camelcase check, fix up problems
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parents: 15389
diff changeset
   134
    (r'^\s+(self\.)?[A-za-z][a-z0-9]+[A-Z]\w* = ',
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parents: 15389
diff changeset
   135
     "don't use camelcase in identifiers"),
15281
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parents: 14978
diff changeset
   136
    (r'^\s*(if|while|def|class|except|try)\s[^[\n]*:\s*[^\\n]#\s]+',
10286
cc0340ef47f7 check-code: check thyself
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parents: 10281
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   137
     "linebreak after :"),
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parents: 14978
diff changeset
   138
    (r'class\s[^( \n]+:', "old-style class, use class foo(object)"),
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
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parents: 14978
diff changeset
   139
    (r'class\s[^( \n]+\(\):',
14763
b071cd58af50 check-code: fix class style checking (with tests)
Thomas Arendsen Hein <thomas@intevation.de>
parents: 14709
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   140
     "class foo() not available in Python 2.4, use class foo(object)"),
13076
a861c7155f09 check-code: single check for Python keywords used as a function
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parents: 13074
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   141
    (r'\b(%s)\(' % '|'.join(keyword.kwlist),
a861c7155f09 check-code: single check for Python keywords used as a function
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   142
     "Python keyword is not a function"),
10412
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parents: 10374
diff changeset
   143
    (r',]', "unneeded trailing ',' in list"),
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parents:
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   144
#    (r'class\s[A-Z][^\(]*\((?!Exception)',
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parents:
diff changeset
   145
#     "don't capitalize non-exception classes"),
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parents:
diff changeset
   146
#    (r'in range\(', "use xrange"),
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parents:
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   147
#    (r'^\s*print\s+', "avoid using print in core and extensions"),
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parents:
diff changeset
   148
    (r'[\x80-\xff]', "non-ASCII character literal"),
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parents:
diff changeset
   149
    (r'("\')\.format\(', "str.format() not available in Python 2.4"),
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parents:
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   150
    (r'^\s*with\s+', "with not available in Python 2.4"),
14267
6332c02b3d68 check-code: complain about set.isdisjoint
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parents: 14203
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   151
    (r'\.isdisjoint\(', "set.isdisjoint not available in Python 2.4"),
13160
07d08c130892 check-code: catch "except as"
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parents: 13076
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   152
    (r'^\s*except.* as .*:', "except as not available in Python 2.4"),
13161
11eb53464e68 check-code: catch os.path.relpath
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parents: 13160
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   153
    (r'^\s*os\.path\.relpath', "relpath not available in Python 2.4"),
11345
4b81f82b03e3 check-code: reformat long lines
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parents: 11343
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   154
    (r'(?<!def)\s+(any|all|format)\(',
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parents: 11343
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   155
     "any/all/format not available in Python 2.4"),
11522
eaa7666ad53f check-code: add test for callable
Martin Geisler <mg@aragost.com>
parents: 11345
diff changeset
   156
    (r'(?<!def)\s+(callable)\(',
14978
5a0fdc715769 check-code: disallow use of hasattr()
Augie Fackler <durin42@gmail.com>
parents: 14831
diff changeset
   157
     "callable not available in Python 3, use getattr(f, '__call__', None)"),
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parents:
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   158
    (r'if\s.*\selse', "if ... else form not available in Python 2.4"),
13074
637627f31c74 check-code: check for gratuitous whitespace after Python keywords
Thomas Arendsen Hein <thomas@jtah.de>
parents: 13031
diff changeset
   159
    (r'^\s*(%s)\s\s' % '|'.join(keyword.kwlist),
637627f31c74 check-code: check for gratuitous whitespace after Python keywords
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parents: 13031
diff changeset
   160
     "gratuitous whitespace after Python keyword"),
15281
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parents: 14978
diff changeset
   161
    (r'([\(\[][ \t]\S)|(\S[ \t][\)\]])', "gratuitous whitespace in () or []"),
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parents:
diff changeset
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#    (r'\s\s=', "gratuitous whitespace before ="),
11345
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parents: 11343
diff changeset
   163
    (r'[^>< ](\+=|-=|!=|<>|<=|>=|<<=|>>=)\S',
4b81f82b03e3 check-code: reformat long lines
Martin Geisler <mg@aragost.com>
parents: 11343
diff changeset
   164
     "missing whitespace around operator"),
4b81f82b03e3 check-code: reformat long lines
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parents: 11343
diff changeset
   165
    (r'[^>< ](\+=|-=|!=|<>|<=|>=|<<=|>>=)\s',
4b81f82b03e3 check-code: reformat long lines
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parents: 11343
diff changeset
   166
     "missing whitespace around operator"),
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parents: 11343
diff changeset
   167
    (r'\s(\+=|-=|!=|<>|<=|>=|<<=|>>=)\S',
4b81f82b03e3 check-code: reformat long lines
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parents: 11343
diff changeset
   168
     "missing whitespace around operator"),
14303
e2be0bba0d83 check-code: add /= to operator list
Sune Foldager <cryo@cyanite.org>
parents: 14267
diff changeset
   169
    (r'[^+=*/!<>&| -](\s=|=\s)[^= ]',
11345
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   170
     "wrong whitespace around ="),
10451
63a9bfad50ff check-code: two more rules
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   171
    (r'raise Exception', "don't raise generic exceptions"),
14009
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parents: 14005
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   172
    (r' is\s+(not\s+)?["\'0-9-]', "object comparison with literal"),
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parents: 14005
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   173
    (r' [=!]=\s+(True|False|None)',
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   174
     "comparison with singleton, use 'is' or 'is not' instead"),
14494
1ffeeb91c55d check-code: flag 0/1 used as constant Boolean expression
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parents: 14303
diff changeset
   175
    (r'^\s*(while|if) [01]:',
1ffeeb91c55d check-code: flag 0/1 used as constant Boolean expression
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parents: 14303
diff changeset
   176
     "use True/False for constant Boolean expression"),
14978
5a0fdc715769 check-code: disallow use of hasattr()
Augie Fackler <durin42@gmail.com>
parents: 14831
diff changeset
   177
    (r'(?<!def)\s+hasattr',
5a0fdc715769 check-code: disallow use of hasattr()
Augie Fackler <durin42@gmail.com>
parents: 14831
diff changeset
   178
     'hasattr(foo, bar) is broken, use util.safehasattr(foo, bar) instead'),
14169
1b4b82063ce2 check-code: disallow calling opener(...).read() and opener(..).write()
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 14137
diff changeset
   179
    (r'opener\([^)]*\).read\(',
1b4b82063ce2 check-code: disallow calling opener(...).read() and opener(..).write()
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parents: 14137
diff changeset
   180
     "use opener.read() instead"),
15334
24856af7237c check-code: catch BaseException and os.path.relpath
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parents: 15296
diff changeset
   181
    (r'BaseException', 'not in Py2.4, use Exception'),
24856af7237c check-code: catch BaseException and os.path.relpath
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parents: 15296
diff changeset
   182
    (r'os\.path\.relpath', 'os.path.relpath is not in Py2.5'),
14169
1b4b82063ce2 check-code: disallow calling opener(...).read() and opener(..).write()
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parents: 14137
diff changeset
   183
    (r'opener\([^)]*\).write\(',
1b4b82063ce2 check-code: disallow calling opener(...).read() and opener(..).write()
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parents: 14137
diff changeset
   184
     "use opener.write() instead"),
1b4b82063ce2 check-code: disallow calling opener(...).read() and opener(..).write()
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parents: 14137
diff changeset
   185
    (r'[\s\(](open|file)\([^)]*\)\.read\(',
1b4b82063ce2 check-code: disallow calling opener(...).read() and opener(..).write()
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parents: 14137
diff changeset
   186
     "use util.readfile() instead"),
1b4b82063ce2 check-code: disallow calling opener(...).read() and opener(..).write()
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parents: 14137
diff changeset
   187
    (r'[\s\(](open|file)\([^)]*\)\.write\(',
1b4b82063ce2 check-code: disallow calling opener(...).read() and opener(..).write()
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parents: 14137
diff changeset
   188
     "use util.readfile() instead"),
1b4b82063ce2 check-code: disallow calling opener(...).read() and opener(..).write()
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parents: 14137
diff changeset
   189
    (r'^[\s\(]*(open(er)?|file)\([^)]*\)',
1b4b82063ce2 check-code: disallow calling opener(...).read() and opener(..).write()
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parents: 14137
diff changeset
   190
     "always assign an opened file to a variable, and close it afterwards"),
1b4b82063ce2 check-code: disallow calling opener(...).read() and opener(..).write()
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parents: 14137
diff changeset
   191
    (r'[\s\(](open|file)\([^)]*\)\.',
1b4b82063ce2 check-code: disallow calling opener(...).read() and opener(..).write()
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parents: 14137
diff changeset
   192
     "always assign an opened file to a variable, and close it afterwards"),
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14494
diff changeset
   193
    (r'(?i)descendent', "the proper spelling is descendAnt"),
14709
6c7283faa967 check-code: don't mark debug messages for translation
Matt Mackall <mpm@selenic.com>
parents: 14549
diff changeset
   194
    (r'\.debug\(\_', "don't mark debug messages for translation"),
14009
64de9ca66511 check-code: separate warnings to avoid repetitive str.startswith
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parents: 14005
diff changeset
   195
  ],
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   196
  # warnings
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   197
  [
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parents: 14005
diff changeset
   198
    (r'.{81}', "warning: line over 80 characters"),
14005
bb391e0515ba check-code: warn about naked except clauses
Idan Kamara <idankk86@gmail.com>
parents: 13748
diff changeset
   199
    (r'^\s*except:$', "warning: naked except clause"),
11599
6fcc066c0c2c check-code: warn about untranslated ui.warn calls
Martin Geisler <mg@lazybytes.net>
parents: 11522
diff changeset
   200
    (r'ui\.(status|progress|write|note|warn)\([\'\"]x',
10895
217557b26bc7 check-code: add a warnings level
Matt Mackall <mpm@selenic.com>
parents: 10814
diff changeset
   201
     "warning: unwrapped ui message"),
14009
64de9ca66511 check-code: separate warnings to avoid repetitive str.startswith
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parents: 14005
diff changeset
   202
  ]
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parents:
diff changeset
   203
]
e7d3b509af8b Introduce check-code.py
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parents:
diff changeset
   204
e7d3b509af8b Introduce check-code.py
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parents:
diff changeset
   205
pyfilters = [
10727
62b8f15683f2 check-code: more tests and more robust python filtering
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10723
diff changeset
   206
    (r"""(?msx)(?P<comment>\#.*?$)|
62b8f15683f2 check-code: more tests and more robust python filtering
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10723
diff changeset
   207
         ((?P<quote>('''|\"\"\"|(?<!')'(?!')|(?<!")"(?!")))
62b8f15683f2 check-code: more tests and more robust python filtering
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10723
diff changeset
   208
          (?P<text>(([^\\]|\\.)*?))
62b8f15683f2 check-code: more tests and more robust python filtering
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10723
diff changeset
   209
          (?P=quote))""", reppython),
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parents:
diff changeset
   210
]
e7d3b509af8b Introduce check-code.py
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parents:
diff changeset
   211
e7d3b509af8b Introduce check-code.py
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parents:
diff changeset
   212
cpats = [
14009
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parents: 14005
diff changeset
   213
  [
10281
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parents:
diff changeset
   214
    (r'//', "don't use //-style comments"),
e7d3b509af8b Introduce check-code.py
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   215
    (r'^  ', "don't use spaces to indent"),
e7d3b509af8b Introduce check-code.py
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   216
    (r'\S\t', "don't use tabs except for indent"),
15281
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   217
    (r'(\S[ \t]+|^[ \t]+)\n', "trailing whitespace"),
10281
e7d3b509af8b Introduce check-code.py
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parents:
diff changeset
   218
    (r'.{85}', "line too long"),
e7d3b509af8b Introduce check-code.py
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   219
    (r'(while|if|do|for)\(', "use space after while/if/do/for"),
e7d3b509af8b Introduce check-code.py
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   220
    (r'return\(', "return is not a function"),
e7d3b509af8b Introduce check-code.py
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   221
    (r' ;', "no space before ;"),
e7d3b509af8b Introduce check-code.py
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   222
    (r'\w+\* \w+', "use int *foo, not int* foo"),
e7d3b509af8b Introduce check-code.py
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parents:
diff changeset
   223
    (r'\([^\)]+\) \w+', "use (int)foo, not (int) foo"),
e7d3b509af8b Introduce check-code.py
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parents:
diff changeset
   224
    (r'\S+ (\+\+|--)', "use foo++, not foo ++"),
e7d3b509af8b Introduce check-code.py
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parents:
diff changeset
   225
    (r'\w,\w', "missing whitespace after ,"),
13736
f3c4421e121c osutil: fix up check-code issues
Matt Mackall <mpm@selenic.com>
parents: 13524
diff changeset
   226
    (r'^[^#]\w[+/*]\w', "missing whitespace in expression"),
10281
e7d3b509af8b Introduce check-code.py
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   227
    (r'^#\s+\w', "use #foo, not # foo"),
e7d3b509af8b Introduce check-code.py
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   228
    (r'[^\n]\Z', "no trailing newline"),
13748
26f8844d1757 osutil: replace #import with #include, and add a check for it
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 13736
diff changeset
   229
    (r'^\s*#import\b', "use only #include in standard C code"),
14009
64de9ca66511 check-code: separate warnings to avoid repetitive str.startswith
Idan Kamara <idankk86@gmail.com>
parents: 14005
diff changeset
   230
  ],
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parents: 14005
diff changeset
   231
  # warnings
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   232
  []
10281
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parents:
diff changeset
   233
]
e7d3b509af8b Introduce check-code.py
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parents:
diff changeset
   234
e7d3b509af8b Introduce check-code.py
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parents:
diff changeset
   235
cfilters = [
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parents:
diff changeset
   236
    (r'(/\*)(((\*(?!/))|[^*])*)\*/', repccomment),
10722
c4fb2103e734 check-code: improve quote detection regexp, add tests
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parents: 10720
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   237
    (r'''(?P<quote>(?<!")")(?P<text>([^"]|\\")+)"(?!")''', repquote),
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   238
    (r'''(#\s*include\s+<)([^>]+)>''', repinclude),
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   239
    (r'(\()([^)]+\))', repcallspaces),
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parents:
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   240
]
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   241
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   242
inutilpats = [
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   243
  [
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   244
    (r'\bui\.', "don't use ui in util"),
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   245
  ],
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   246
  # warnings
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   247
  []
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]
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   249
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   250
inrevlogpats = [
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   251
  [
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   252
    (r'\brepo\.', "don't use repo in revlog"),
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   253
  ],
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   254
  # warnings
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   255
  []
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   256
]
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   257
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   258
checks = [
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   259
    ('python', r'.*\.(py|cgi)$', pyfilters, pypats),
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parents:
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   260
    ('test script', r'(.*/)?test-[^.~]*$', testfilters, testpats),
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parents:
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   261
    ('c', r'.*\.c$', cfilters, cpats),
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Matt Mackall <mpm@selenic.com>
parents: 11886
diff changeset
   262
    ('unified test', r'.*\.t$', utestfilters, utestpats),
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   263
    ('layering violation repo in revlog', r'mercurial/revlog\.py', pyfilters,
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   264
     inrevlogpats),
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parents: 14136
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   265
    ('layering violation ui in util', r'mercurial/util\.py', pyfilters,
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   266
     inutilpats),
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]
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parents:
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   268
10719
3be9ae49b628 code-code: Add a logfunc argument to checkfile
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 10718
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   269
class norepeatlogger(object):
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   270
    def __init__(self):
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   271
        self._lastseen = None
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   272
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   273
    def log(self, fname, lineno, line, msg, blame):
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   274
        """print error related a to given line of a given file.
3be9ae49b628 code-code: Add a logfunc argument to checkfile
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parents: 10718
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   275
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   276
        The faulty line will also be printed but only once in the case
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   277
        of multiple errors.
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   278
10719
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   279
        :fname: filename
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   280
        :lineno: line number
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   281
        :line: actual content of the line
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   282
        :msg: error message
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diff changeset
   283
        """
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diff changeset
   284
        msgid = fname, lineno, line
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parents: 10718
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   285
        if msgid != self._lastseen:
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parents: 11602
diff changeset
   286
            if blame:
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   287
                print "%s:%d (%s):" % (fname, lineno, blame)
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   288
            else:
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diff changeset
   289
                print "%s:%d:" % (fname, lineno)
10719
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diff changeset
   290
            print " > %s" % line
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diff changeset
   291
            self._lastseen = msgid
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   292
        print " " + msg
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parents: 10718
diff changeset
   293
3be9ae49b628 code-code: Add a logfunc argument to checkfile
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parents: 10718
diff changeset
   294
_defaultlogger = norepeatlogger()
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parents: 10718
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   295
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   296
def getblame(f):
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diff changeset
   297
    lines = []
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   298
    for l in os.popen('hg annotate -un %s' % f):
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diff changeset
   299
        start, line = l.split(':', 1)
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   300
        user, rev = start.split()
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diff changeset
   301
        lines.append((line[1:-1], user, rev))
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   302
    return lines
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diff changeset
   303
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diff changeset
   304
def checkfile(f, logfunc=_defaultlogger.log, maxerr=None, warnings=False,
14135
673abd432104 check-code: adding debug flag
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parents: 14009
diff changeset
   305
              blame=False, debug=False):
10719
3be9ae49b628 code-code: Add a logfunc argument to checkfile
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parents: 10718
diff changeset
   306
    """checks style and portability of a given file
3be9ae49b628 code-code: Add a logfunc argument to checkfile
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parents: 10718
diff changeset
   307
3be9ae49b628 code-code: Add a logfunc argument to checkfile
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parents: 10718
diff changeset
   308
    :f: filepath
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parents: 10718
diff changeset
   309
    :logfunc: function used to report error
3be9ae49b628 code-code: Add a logfunc argument to checkfile
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parents: 10718
diff changeset
   310
              logfunc(filename, linenumber, linecontent, errormessage)
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parents: 10718
diff changeset
   311
    :maxerr: number of error to display before arborting.
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parents: 10718
diff changeset
   312
             Set to None (default) to report all errors
10720
fbcccf9ec58f check-code: add a return value to checkfile function
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parents: 10719
diff changeset
   313
fbcccf9ec58f check-code: add a return value to checkfile function
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parents: 10719
diff changeset
   314
    return True if no error is found, False otherwise.
10719
3be9ae49b628 code-code: Add a logfunc argument to checkfile
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parents: 10718
diff changeset
   315
    """
11604
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parents: 11602
diff changeset
   316
    blamecache = None
10720
fbcccf9ec58f check-code: add a return value to checkfile function
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parents: 10719
diff changeset
   317
    result = True
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parents:
diff changeset
   318
    for name, match, filters, pats in checks:
14135
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parents: 14009
diff changeset
   319
        if debug:
673abd432104 check-code: adding debug flag
timeless <timeless@mozdev.org>
parents: 14009
diff changeset
   320
            print name, f
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e7d3b509af8b Introduce check-code.py
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parents:
diff changeset
   321
        fc = 0
e7d3b509af8b Introduce check-code.py
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parents:
diff changeset
   322
        if not re.match(match, f):
14135
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parents: 14009
diff changeset
   323
            if debug:
673abd432104 check-code: adding debug flag
timeless <timeless@mozdev.org>
parents: 14009
diff changeset
   324
                print "Skipping %s for %s it doesn't match %s" % (
673abd432104 check-code: adding debug flag
timeless <timeless@mozdev.org>
parents: 14009
diff changeset
   325
                       name, match, f)
10281
e7d3b509af8b Introduce check-code.py
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parents:
diff changeset
   326
            continue
13400
14f3795a5ed7 explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 13301
diff changeset
   327
        fp = open(f)
14f3795a5ed7 explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 13301
diff changeset
   328
        pre = post = fp.read()
14f3795a5ed7 explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 13301
diff changeset
   329
        fp.close()
10287
5da892be3497 check-code: add some ignore hints
Matt Mackall <mpm@selenic.com>
parents: 10286
diff changeset
   330
        if "no-" + "check-code" in pre:
14135
673abd432104 check-code: adding debug flag
timeless <timeless@mozdev.org>
parents: 14009
diff changeset
   331
            if debug:
673abd432104 check-code: adding debug flag
timeless <timeless@mozdev.org>
parents: 14009
diff changeset
   332
                print "Skipping %s for %s it has no- and check-code" % (
673abd432104 check-code: adding debug flag
timeless <timeless@mozdev.org>
parents: 14009
diff changeset
   333
                       name, f)
10287
5da892be3497 check-code: add some ignore hints
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parents: 10286
diff changeset
   334
            break
10281
e7d3b509af8b Introduce check-code.py
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   335
        for p, r in filters:
e7d3b509af8b Introduce check-code.py
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   336
            post = re.sub(p, r, post)
14009
64de9ca66511 check-code: separate warnings to avoid repetitive str.startswith
Idan Kamara <idankk86@gmail.com>
parents: 14005
diff changeset
   337
        if warnings:
64de9ca66511 check-code: separate warnings to avoid repetitive str.startswith
Idan Kamara <idankk86@gmail.com>
parents: 14005
diff changeset
   338
            pats = pats[0] + pats[1]
64de9ca66511 check-code: separate warnings to avoid repetitive str.startswith
Idan Kamara <idankk86@gmail.com>
parents: 14005
diff changeset
   339
        else:
64de9ca66511 check-code: separate warnings to avoid repetitive str.startswith
Idan Kamara <idankk86@gmail.com>
parents: 14005
diff changeset
   340
            pats = pats[0]
10281
e7d3b509af8b Introduce check-code.py
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   341
        # print post # uncomment to show filtered version
15281
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
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parents: 14978
diff changeset
   342
14135
673abd432104 check-code: adding debug flag
timeless <timeless@mozdev.org>
parents: 14009
diff changeset
   343
        if debug:
673abd432104 check-code: adding debug flag
timeless <timeless@mozdev.org>
parents: 14009
diff changeset
   344
            print "Checking %s for %s" % (name, f)
15281
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   345
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
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parents: 14978
diff changeset
   346
        prelines = None
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Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   347
        errors = []
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   348
        for p, msg in pats:
15372
695ac6aca77f check-code: fix issues with finding patterns in unified tests, fix tests
Matt Mackall <mpm@selenic.com>
parents: 15364
diff changeset
   349
            # fix-up regexes for multiline searches
695ac6aca77f check-code: fix issues with finding patterns in unified tests, fix tests
Matt Mackall <mpm@selenic.com>
parents: 15364
diff changeset
   350
            po = p
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Matt Mackall <mpm@selenic.com>
parents: 15364
diff changeset
   351
            # \s doesn't match \n
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Matt Mackall <mpm@selenic.com>
parents: 15364
diff changeset
   352
            p = re.sub(r'(?<!\\)\\s', r'[ \\t]', p)
695ac6aca77f check-code: fix issues with finding patterns in unified tests, fix tests
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parents: 15364
diff changeset
   353
            # [^...] doesn't match newline
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Matt Mackall <mpm@selenic.com>
parents: 15364
diff changeset
   354
            p = re.sub(r'(?<!\\)\[\^', r'[^\\n', p)
695ac6aca77f check-code: fix issues with finding patterns in unified tests, fix tests
Matt Mackall <mpm@selenic.com>
parents: 15364
diff changeset
   355
695ac6aca77f check-code: fix issues with finding patterns in unified tests, fix tests
Matt Mackall <mpm@selenic.com>
parents: 15364
diff changeset
   356
            #print po, '=>', p
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Matt Mackall <mpm@selenic.com>
parents: 15364
diff changeset
   357
15281
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diff changeset
   358
            pos = 0
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   359
            n = 0
15372
695ac6aca77f check-code: fix issues with finding patterns in unified tests, fix tests
Matt Mackall <mpm@selenic.com>
parents: 15364
diff changeset
   360
            for m in re.finditer(p, post, re.MULTILINE):
15281
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   361
                if prelines is None:
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   362
                    prelines = pre.splitlines()
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   363
                    postlines = post.splitlines(True)
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   364
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   365
                start = m.start()
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   366
                while n < len(postlines):
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   367
                    step = len(postlines[n])
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   368
                    if pos + step > start:
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   369
                        break
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   370
                    pos += step
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   371
                    n += 1
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   372
                l = prelines[n]
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   373
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   374
                if "check-code" + "-ignore" in l:
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   375
                    if debug:
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   376
                        print "Skipping %s for %s:%s (check-code -ignore)" % (
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   377
                            name, f, n)
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   378
                    continue
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   379
                bd = ""
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   380
                if blame:
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   381
                    bd = 'working directory'
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   382
                    if not blamecache:
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   383
                        blamecache = getblame(f)
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   384
                    if n < len(blamecache):
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   385
                        bl, bu, br = blamecache[n]
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   386
                        if bl == l:
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   387
                            bd = '%s@%s' % (bu, br)
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   388
                errors.append((f, n + 1, l, msg, bd))
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   389
                result = False
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   390
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   391
        errors.sort()
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   392
        for e in errors:
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   393
            logfunc(*e)
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   394
            fc += 1
10718
f18c37fd624f check-code: Add a ``maxerr`` argument to the ``checkfile`` function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 10717
diff changeset
   395
            if maxerr is not None and fc >= maxerr:
10281
e7d3b509af8b Introduce check-code.py
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   396
                print " (too many errors, giving up)"
e7d3b509af8b Introduce check-code.py
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   397
                break
15281
aeeb2afcdc25 check-code: support multiline matches like try/except/finally
Matt Mackall <mpm@selenic.com>
parents: 14978
diff changeset
   398
10720
fbcccf9ec58f check-code: add a return value to checkfile function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 10719
diff changeset
   399
    return result
10717
b1f4fcef99b3 check-code: Add a ``checkfile`` function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 10716
diff changeset
   400
10716
5f92bde72eef check-code: Only call check-code if __name__ = "__main__".
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 10707
diff changeset
   401
if __name__ == "__main__":
10895
217557b26bc7 check-code: add a warnings level
Matt Mackall <mpm@selenic.com>
parents: 10814
diff changeset
   402
    parser = optparse.OptionParser("%prog [options] [files]")
217557b26bc7 check-code: add a warnings level
Matt Mackall <mpm@selenic.com>
parents: 10814
diff changeset
   403
    parser.add_option("-w", "--warnings", action="store_true",
217557b26bc7 check-code: add a warnings level
Matt Mackall <mpm@selenic.com>
parents: 10814
diff changeset
   404
                      help="include warning-level checks")
217557b26bc7 check-code: add a warnings level
Matt Mackall <mpm@selenic.com>
parents: 10814
diff changeset
   405
    parser.add_option("-p", "--per-file", type="int",
217557b26bc7 check-code: add a warnings level
Matt Mackall <mpm@selenic.com>
parents: 10814
diff changeset
   406
                      help="max warnings per file")
11604
c5d40818b270 check-code: add --blame switch
Matt Mackall <mpm@selenic.com>
parents: 11602
diff changeset
   407
    parser.add_option("-b", "--blame", action="store_true",
c5d40818b270 check-code: add --blame switch
Matt Mackall <mpm@selenic.com>
parents: 11602
diff changeset
   408
                      help="use annotate to generate blame info")
14135
673abd432104 check-code: adding debug flag
timeless <timeless@mozdev.org>
parents: 14009
diff changeset
   409
    parser.add_option("", "--debug", action="store_true",
673abd432104 check-code: adding debug flag
timeless <timeless@mozdev.org>
parents: 14009
diff changeset
   410
                      help="show debug information")
10895
217557b26bc7 check-code: add a warnings level
Matt Mackall <mpm@selenic.com>
parents: 10814
diff changeset
   411
14135
673abd432104 check-code: adding debug flag
timeless <timeless@mozdev.org>
parents: 14009
diff changeset
   412
    parser.set_defaults(per_file=15, warnings=False, blame=False, debug=False)
10895
217557b26bc7 check-code: add a warnings level
Matt Mackall <mpm@selenic.com>
parents: 10814
diff changeset
   413
    (options, args) = parser.parse_args()
217557b26bc7 check-code: add a warnings level
Matt Mackall <mpm@selenic.com>
parents: 10814
diff changeset
   414
217557b26bc7 check-code: add a warnings level
Matt Mackall <mpm@selenic.com>
parents: 10814
diff changeset
   415
    if len(args) == 0:
10716
5f92bde72eef check-code: Only call check-code if __name__ = "__main__".
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 10707
diff changeset
   416
        check = glob.glob("*")
5f92bde72eef check-code: Only call check-code if __name__ = "__main__".
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 10707
diff changeset
   417
    else:
10895
217557b26bc7 check-code: add a warnings level
Matt Mackall <mpm@selenic.com>
parents: 10814
diff changeset
   418
        check = args
10281
e7d3b509af8b Introduce check-code.py
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
   419
10716
5f92bde72eef check-code: Only call check-code if __name__ = "__main__".
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 10707
diff changeset
   420
    for f in check:
11816
e1359ad582f6 check-code: add exit status
Alecs King <alecsk@gmail.com>
parents: 11764
diff changeset
   421
        ret = 0
e1359ad582f6 check-code: add exit status
Alecs King <alecsk@gmail.com>
parents: 11764
diff changeset
   422
        if not checkfile(f, maxerr=options.per_file, warnings=options.warnings,
14135
673abd432104 check-code: adding debug flag
timeless <timeless@mozdev.org>
parents: 14009
diff changeset
   423
                         blame=options.blame, debug=options.debug):
11816
e1359ad582f6 check-code: add exit status
Alecs King <alecsk@gmail.com>
parents: 11764
diff changeset
   424
            ret = 1
e1359ad582f6 check-code: add exit status
Alecs King <alecsk@gmail.com>
parents: 11764
diff changeset
   425
    sys.exit(ret)