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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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"""style and portability checker for Mercurial
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when a rule triggers wrong, do one of the following (prefer one from top):
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* do the work-around the rule suggests
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* doublecheck that it is a false match
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* improve the rule pattern
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* add an ignore pattern to the rule (3rd arg) which matches your good line
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(you can append a short comment and match this, like: #re-raises)
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* change the pattern to a warning and list the exception in test-check-code-hg
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* ONLY use no--check-code for skipping entire files from external sources
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"""
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from __future__ import absolute_import, print_function
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import glob
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import keyword
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import optparse
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import os
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import re
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import sys
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if sys.version_info[0] < 3:
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opentext = open
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else:
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def opentext(f):
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return open(f, encoding='ascii')
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try:
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xrange
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except NameError:
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xrange = range
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try:
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import re2
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except ImportError:
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re2 = None
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def compilere(pat, multiline=False):
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if multiline:
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pat = '(?m)' + pat
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if re2:
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try:
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return re2.compile(pat)
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except re2.error:
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pass
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return re.compile(pat)
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# check "rules depending on implementation of repquote()" in each
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# patterns (especially pypats), before changing around repquote()
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_repquotefixedmap = {' ': ' ', '\n': '\n', '.': 'p', ':': 'q',
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'%': '%', '\\': 'b', '*': 'A', '+': 'P', '-': 'M'}
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def _repquoteencodechr(i):
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if i > 255:
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return 'u'
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c = chr(i)
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if c in _repquotefixedmap:
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return _repquotefixedmap[c]
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if c.isalpha():
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return 'x'
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if c.isdigit():
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return 'n'
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return 'o'
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_repquotett = ''.join(_repquoteencodechr(i) for i in xrange(256))
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def repquote(m):
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t = m.group('text')
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t = t.translate(_repquotett)
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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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l = len(comment.rstrip())
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return "#" * l + comment[l:]
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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 $(()), use 'expr'"),
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(r'grep.*-q', "don't use 'grep -q', redirect to /dev/null"),
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(r'(?<!hg )grep.* -a', "don't use 'grep -a', use in-line python"),
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(r'sed.*-i', "don't use 'sed -i', use a temporary file"),
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(r'\becho\b.*\\n', "don't use 'echo \\n', use printf"),
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(r'echo -n', "don't use 'echo -n', use printf"),
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(r'(^|\|\s*)\bwc\b[^|]*$\n(?!.*\(re\))', "filter wc output"),
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(r'head -c', "don't use 'head -c', use 'dd'"),
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(r'tail -n', "don't use the '-n' option to tail, just use '-<num>'"),
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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.*[^\\]\\([1-9]|0\d)', r"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'[^\n]\Z', "no trailing newline"),
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(r'export .*=', "don't export and assign at once"),
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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'\bls +[^|\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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(r'\[\[\s+[^\]]*\]\]', "don't use '[[ ]]', use '[ ]'"),
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(r'^alias\b.*=', "don't use alias, use a function"),
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(r'if\s*!', "don't use '!' to negate exit status"),
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(r'/dev/u?random', "don't use entropy, use /dev/zero"),
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(r'do\s*true;\s*done', "don't use true as loop body, use sleep 0"),
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(r'^( *)\t', "don't use tabs to indent"),
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(r'sed (-e )?\'(\d+|/[^/]*/)i(?!\\\n)',
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"put a backslash-escaped newline after sed 'i' command"),
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(r'^diff *-\w*[uU].*$\n(^ \$ |^$)', "prefix diff -u/-U with cmp"),
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(r'^\s+(if)? diff *-\w*[uU]', "prefix diff -u/-U with cmp"),
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(r'seq ', "don't use 'seq', use $TESTDIR/seq.py"),
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(r'\butil\.Abort\b', "directly use error.Abort"),
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(r'\|&', "don't use |&, use 2>&1"),
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(r'\w = +\w', "only one space after = allowed"),
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(r'\bsed\b.*[^\\]\\n', "don't use 'sed ... \\n', use a \\ and a newline"),
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(r'env.*-u', "don't use 'env -u VAR', use 'unset VAR'")
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],
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# warnings
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[
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(r'^function', "don't use 'function', use old style"),
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(r'^diff.*-\w*N', "don't use 'diff -N'"),
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(r'\$PWD|\${PWD}', "don't use $PWD, use `pwd`"),
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(r'^([^"\'\n]|("[^"\n]*")|(\'[^\'\n]*\'))*\^', "^ must be quoted"),
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(r'kill (`|\$\()', "don't use kill, use killdaemons.py")
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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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winglobmsg = "use (glob) to match Windows paths too"
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uprefix = r"^ \$ "
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utestpats = [
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[
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(r'^(\S.*|| [$>] \S.*)[ \t]\n', "trailing whitespace on non-output"),
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(uprefix + r'.*\|\s*sed[^|>\n]*\n',
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"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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(uprefix + r'(\s|fi\b|done\b)', "use > for continued lines"),
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(uprefix + r'.*:\.\S*/', "x:.y in a path does not work on msys, rewrite "
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"as x://.y, or see `hg log -k msys` for alternatives", r'-\S+:\.|' #-Rxxx
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'# no-msys'), # in test-pull.t which is skipped on windows
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(r'^ saved backup bundle to \$TESTTMP.*\.hg$', winglobmsg),
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(r'^ changeset .* references (corrupted|missing) \$TESTTMP/.*[^)]$',
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winglobmsg),
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(r'^ pulling from \$TESTTMP/.*[^)]$', winglobmsg,
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'\$TESTTMP/unix-repo$'), # in test-issue1802.t which skipped on windows
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(r'^ reverting (?!subrepo ).*/.*[^)]$', winglobmsg),
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(r'^ cloning subrepo \S+/.*[^)]$', winglobmsg),
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(r'^ pushing to \$TESTTMP/.*[^)]$', winglobmsg),
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(r'^ pushing subrepo \S+/\S+ to.*[^)]$', winglobmsg),
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(r'^ moving \S+/.*[^)]$', winglobmsg),
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(r'^ no changes made to subrepo since.*/.*[^)]$', winglobmsg),
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(r'^ .*: largefile \S+ not available from file:.*/.*[^)]$', winglobmsg),
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(r'^ .*file://\$TESTTMP',
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'write "file:/*/$TESTTMP" + (glob) to match on windows too'),
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(r'^ [^$>].*27\.0\.0\.1.*[^)]$',
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'use (glob) to match localhost IP on hosts without 127.0.0.1 too'),
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(r'^ (cat|find): .*: No such file or directory',
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'use test -f to test for file existence'),
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(r'^ diff -[^ -]*p',
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"don't use (external) diff with -p for portability"),
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(r'^ [-+][-+][-+] .* [-+]0000 \(glob\)',
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"glob timezone field in diff output for portability"),
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(r'^ @@ -[0-9]+ [+][0-9]+,[0-9]+ @@',
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"use '@@ -N* +N,n @@ (glob)' style chunk header for portability"),
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(r'^ @@ -[0-9]+,[0-9]+ [+][0-9]+ @@',
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"use '@@ -N,n +N* @@ (glob)' style chunk header for portability"),
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(r'^ @@ -[0-9]+ [+][0-9]+ @@',
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"use '@@ -N* +N* @@ (glob)' style chunk header for portability"),
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(uprefix + r'hg( +-[^ ]+( +[^ ]+)?)* +extdiff'
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r'( +(-[^ po-]+|--(?!program|option)[^ ]+|[^-][^ ]*))*$',
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"use $RUNTESTDIR/pdiff via extdiff (or -o/-p for false-positives)"),
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],
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# warnings
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[
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(r'^ (?!.*127\.0\.0\.1)[^*?/\n]* \(glob\)$',
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"glob match with no glob string (?, *, /, and 127.0.0.1)"),
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]
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]
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for i in [0, 1]:
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for tp in testpats[i]:
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p = tp[0]
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m = tp[1]
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if p.startswith(r'^'):
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p = r"^ [$>] (%s)" % p[1:]
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else:
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p = r"^ [$>] .*(%s)" % p
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utestpats[i].append((p, m) + tp[2:])
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utestfilters = [
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(r"<<(\S+)((.|\n)*?\n > \1)", rephere),
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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'\bdict\(.*=', 'dict() is different in Py2 and 3 and is slower than {}',
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'dict-from-generator'),
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(r'\.has_key\b', "dict.has_key is not available in Python 3+"),
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(r'\s<>\s', '<> operator is not available in Python 3+, use !='),
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(r'^\s*\t', "don't use tabs"),
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(r'\S;\s*\n', "semicolon"),
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(r'[^_]_\([ \t\n]*(?:"[^"]+"[ \t\n+]*)+%', "don't use % inside _()"),
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(r"[^_]_\([ \t\n]*(?:'[^']+'[ \t\n+]*)+%", "don't use % inside _()"),
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(r'(\w|\)),\w', "missing whitespace after ,"),
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(r'(\w|\))[+/*\-<>]\w', "missing whitespace in expression"),
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(r'^\s+(\w|\.)+=\w[^,()\n]*$', "missing whitespace in assignment"),
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(r'\w\s=\s\s+\w', "gratuitous whitespace after ="),
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(r'.{81}', "line too long"),
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(r'[^\n]\Z', "no trailing newline"),
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(r'(\S[ \t]+|^[ \t]+)\n', "trailing whitespace"),
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# (r'^\s+[^_ \n][^_. \n]+_[^_\n]+\s*=',
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# "don't use underbars in identifiers"),
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(r'^\s+(self\.)?[A-za-z][a-z0-9]+[A-Z]\w* = ',
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"don't use camelcase in identifiers"),
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(r'^\s*(if|while|def|class|except|try)\s[^[\n]*:\s*[^\\n]#\s]+',
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"linebreak after :"),
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(r'class\s[^( \n]+:', "old-style class, use class foo(object)",
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r'#.*old-style'),
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(r'class\s[^( \n]+\(\):',
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"class foo() creates old style object, use class foo(object)",
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r'#.*old-style'),
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(r'\b(%s)\(' % '|'.join(k for k in keyword.kwlist
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if k not in ('print', 'exec')),
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"Python keyword is not a function"),
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(r',]', "unneeded trailing ',' in list"),
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# (r'class\s[A-Z][^\(]*\((?!Exception)',
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# "don't capitalize non-exception classes"),
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# (r'in range\(', "use xrange"),
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# (r'^\s*print\s+', "avoid using print in core and extensions"),
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(r'[\x80-\xff]', "non-ASCII character literal"),
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(r'("\')\.format\(', "str.format() has no bytes counterpart, use %"),
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(r'^\s*(%s)\s\s' % '|'.join(keyword.kwlist),
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"gratuitous whitespace after Python keyword"),
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(r'([\(\[][ \t]\S)|(\S[ \t][\)\]])', "gratuitous whitespace in () or []"),
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# (r'\s\s=', "gratuitous whitespace before ="),
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(r'[^>< ](\+=|-=|!=|<>|<=|>=|<<=|>>=|%=)\S',
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"missing whitespace around operator"),
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(r'[^>< ](\+=|-=|!=|<>|<=|>=|<<=|>>=|%=)\s',
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"missing whitespace around operator"),
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(r'\s(\+=|-=|!=|<>|<=|>=|<<=|>>=|%=)\S',
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"missing whitespace around operator"),
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(r'[^^+=*/!<>&| %-](\s=|=\s)[^= ]',
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"wrong whitespace around ="),
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(r'\([^()]*( =[^=]|[^<>!=]= )',
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"no whitespace around = for named parameters"),
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(r'raise Exception', "don't raise generic exceptions"),
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(r'raise [^,(]+, (\([^\)]+\)|[^,\(\)]+)$',
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"don't use old-style two-argument raise, use Exception(message)"),
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(r' is\s+(not\s+)?["\'0-9-]', "object comparison with literal"),
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(r' [=!]=\s+(True|False|None)',
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"comparison with singleton, use 'is' or 'is not' instead"),
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(r'^\s*(while|if) [01]:',
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"use True/False for constant Boolean expression"),
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(r'(?:(?<!def)\s+|\()hasattr\(',
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'hasattr(foo, bar) is broken, use util.safehasattr(foo, bar) instead'),
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(r'opener\([^)]*\).read\(',
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"use opener.read() instead"),
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(r'opener\([^)]*\).write\(',
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"use opener.write() instead"),
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(r'[\s\(](open|file)\([^)]*\)\.read\(',
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"use util.readfile() instead"),
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(r'[\s\(](open|file)\([^)]*\)\.write\(',
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"use util.writefile() instead"),
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(r'^[\s\(]*(open(er)?|file)\([^)]*\)',
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"always assign an opened file to a variable, and close it afterwards"),
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(r'[\s\(](open|file)\([^)]*\)\.',
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"always assign an opened file to a variable, and close it afterwards"),
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(r'(?i)descend[e]nt', "the proper spelling is descendAnt"),
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(r'\.debug\(\_', "don't mark debug messages for translation"),
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(r'\.strip\(\)\.split\(\)', "no need to strip before splitting"),
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(r'^\s*except\s*:', "naked except clause", r'#.*re-raises'),
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(r'^\s*except\s([^\(,]+|\([^\)]+\))\s*,',
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'legacy exception syntax; use "as" instead of ","'),
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(r':\n( )*( ){1,3}[^ ]', "must indent 4 spaces"),
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(r'release\(.*wlock, .*lock\)', "wrong lock release order"),
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(r'\b__bool__\b', "__bool__ should be __nonzero__ in Python 2"),
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(r'os\.path\.join\(.*, *(""|\'\')\)',
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"use pathutil.normasprefix(path) instead of os.path.join(path, '')"),
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(r'\s0[0-7]+\b', 'legacy octal syntax; use "0o" prefix instead of "0"'),
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# XXX only catch mutable arguments on the first line of the definition
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|
(r'def.*[( ]\w+=\{\}', "don't use mutable default arguments"),
|
|
|
(r'\butil\.Abort\b', "directly use error.Abort"),
|
|
|
(r'^import Queue', "don't use Queue, use util.queue + util.empty"),
|
|
|
(r'^import cStringIO', "don't use cStringIO.StringIO, use util.stringio"),
|
|
|
(r'^import urllib', "don't use urllib, use util.urlreq/util.urlerr"),
|
|
|
(r'^import SocketServer', "don't use SockerServer, use util.socketserver"),
|
|
|
(r'^import urlparse', "don't use urlparse, use util.urlparse"),
|
|
|
(r'^import xmlrpclib', "don't use xmlrpclib, use util.xmlrpclib"),
|
|
|
(r'^import cPickle', "don't use cPickle, use util.pickle"),
|
|
|
(r'^import pickle', "don't use pickle, use util.pickle"),
|
|
|
(r'^import httplib', "don't use httplib, use util.httplib"),
|
|
|
(r'^import BaseHTTPServer', "use util.httpserver instead"),
|
|
|
(r'\.next\(\)', "don't use .next(), use next(...)"),
|
|
|
|
|
|
# rules depending on implementation of repquote()
|
|
|
(r' x+[xpqo%APM][\'"]\n\s+[\'"]x',
|
|
|
'string join across lines with no space'),
|
|
|
(r'''(?x)ui\.(status|progress|write|note|warn)\(
|
|
|
[ \t\n#]*
|
|
|
(?# any strings/comments might precede a string, which
|
|
|
# contains translatable message)
|
|
|
((['"]|\'\'\'|""")[ \npq%bAPMxno]*(['"]|\'\'\'|""")[ \t\n#]+)*
|
|
|
(?# sequence consisting of below might precede translatable message
|
|
|
# - formatting string: "% 10s", "%05d", "% -3.2f", "%*s", "%%" ...
|
|
|
# - escaped character: "\\", "\n", "\0" ...
|
|
|
# - character other than '%', 'b' as '\', and 'x' as alphabet)
|
|
|
(['"]|\'\'\'|""")
|
|
|
((%([ n]?[PM]?([np]+|A))?x)|%%|b[bnx]|[ \nnpqAPMo])*x
|
|
|
(?# this regexp can't use [^...] style,
|
|
|
# because _preparepats forcibly adds "\n" into [^...],
|
|
|
# even though this regexp wants match it against "\n")''',
|
|
|
"missing _() in ui message (use () to hide false-positives)"),
|
|
|
],
|
|
|
# warnings
|
|
|
[
|
|
|
# rules depending on implementation of repquote()
|
|
|
(r'(^| )pp +xxxxqq[ \n][^\n]', "add two newlines after '.. note::'"),
|
|
|
]
|
|
|
]
|
|
|
|
|
|
pyfilters = [
|
|
|
(r"""(?msx)(?P<comment>\#.*?$)|
|
|
|
((?P<quote>('''|\"\"\"|(?<!')'(?!')|(?<!")"(?!")))
|
|
|
(?P<text>(([^\\]|\\.)*?))
|
|
|
(?P=quote))""", reppython),
|
|
|
]
|
|
|
|
|
|
txtfilters = []
|
|
|
|
|
|
txtpats = [
|
|
|
[
|
|
|
('\s$', 'trailing whitespace'),
|
|
|
('.. note::[ \n][^\n]', 'add two newlines after note::')
|
|
|
],
|
|
|
[]
|
|
|
]
|
|
|
|
|
|
cpats = [
|
|
|
[
|
|
|
(r'//', "don't use //-style comments"),
|
|
|
(r'^ ', "don't use spaces to indent"),
|
|
|
(r'\S\t', "don't use tabs except for indent"),
|
|
|
(r'(\S[ \t]+|^[ \t]+)\n', "trailing whitespace"),
|
|
|
(r'.{81}', "line too long"),
|
|
|
(r'(while|if|do|for)\(', "use space after while/if/do/for"),
|
|
|
(r'return\(', "return is not a function"),
|
|
|
(r' ;', "no space before ;"),
|
|
|
(r'[^;] \)', "no space before )"),
|
|
|
(r'[)][{]', "space between ) and {"),
|
|
|
(r'\w+\* \w+', "use int *foo, not int* foo"),
|
|
|
(r'\W\([^\)]+\) \w+', "use (int)foo, not (int) foo"),
|
|
|
(r'\w+ (\+\+|--)', "use foo++, not foo ++"),
|
|
|
(r'\w,\w', "missing whitespace after ,"),
|
|
|
(r'^[^#]\w[+/*]\w', "missing whitespace in expression"),
|
|
|
(r'\w\s=\s\s+\w', "gratuitous whitespace after ="),
|
|
|
(r'^#\s+\w', "use #foo, not # foo"),
|
|
|
(r'[^\n]\Z', "no trailing newline"),
|
|
|
(r'^\s*#import\b', "use only #include in standard C code"),
|
|
|
(r'strcpy\(', "don't use strcpy, use strlcpy or memcpy"),
|
|
|
(r'strcat\(', "don't use strcat"),
|
|
|
|
|
|
# rules depending on implementation of repquote()
|
|
|
],
|
|
|
# warnings
|
|
|
[
|
|
|
# rules depending on implementation of repquote()
|
|
|
]
|
|
|
]
|
|
|
|
|
|
cfilters = [
|
|
|
(r'(/\*)(((\*(?!/))|[^*])*)\*/', repccomment),
|
|
|
(r'''(?P<quote>(?<!")")(?P<text>([^"]|\\")+)"(?!")''', repquote),
|
|
|
(r'''(#\s*include\s+<)([^>]+)>''', repinclude),
|
|
|
(r'(\()([^)]+\))', repcallspaces),
|
|
|
]
|
|
|
|
|
|
inutilpats = [
|
|
|
[
|
|
|
(r'\bui\.', "don't use ui in util"),
|
|
|
],
|
|
|
# warnings
|
|
|
[]
|
|
|
]
|
|
|
|
|
|
inrevlogpats = [
|
|
|
[
|
|
|
(r'\brepo\.', "don't use repo in revlog"),
|
|
|
],
|
|
|
# warnings
|
|
|
[]
|
|
|
]
|
|
|
|
|
|
webtemplatefilters = []
|
|
|
|
|
|
webtemplatepats = [
|
|
|
[],
|
|
|
[
|
|
|
(r'{desc(\|(?!websub|firstline)[^\|]*)+}',
|
|
|
'follow desc keyword with either firstline or websub'),
|
|
|
]
|
|
|
]
|
|
|
|
|
|
allfilesfilters = []
|
|
|
|
|
|
allfilespats = [
|
|
|
[
|
|
|
(r'(http|https)://[a-zA-Z0-9./]*selenic.com/',
|
|
|
'use mercurial-scm.org domain URL'),
|
|
|
],
|
|
|
# warnings
|
|
|
[],
|
|
|
]
|
|
|
|
|
|
checks = [
|
|
|
('python', r'.*\.(py|cgi)$', r'^#!.*python', pyfilters, pypats),
|
|
|
('test script', r'(.*/)?test-[^.~]*$', '', testfilters, testpats),
|
|
|
('c', r'.*\.[ch]$', '', cfilters, cpats),
|
|
|
('unified test', r'.*\.t$', '', utestfilters, utestpats),
|
|
|
('layering violation repo in revlog', r'mercurial/revlog\.py', '',
|
|
|
pyfilters, inrevlogpats),
|
|
|
('layering violation ui in util', r'mercurial/util\.py', '', pyfilters,
|
|
|
inutilpats),
|
|
|
('txt', r'.*\.txt$', '', txtfilters, txtpats),
|
|
|
('web template', r'mercurial/templates/.*\.tmpl', '',
|
|
|
webtemplatefilters, webtemplatepats),
|
|
|
('all except for .po', r'.*(?<!\.po)$', '',
|
|
|
allfilesfilters, allfilespats),
|
|
|
]
|
|
|
|
|
|
def _preparepats():
|
|
|
for c in checks:
|
|
|
failandwarn = c[-1]
|
|
|
for pats in failandwarn:
|
|
|
for i, pseq in enumerate(pats):
|
|
|
# fix-up regexes for multi-line searches
|
|
|
p = pseq[0]
|
|
|
# \s doesn't match \n
|
|
|
p = re.sub(r'(?<!\\)\\s', r'[ \\t]', p)
|
|
|
# [^...] doesn't match newline
|
|
|
p = re.sub(r'(?<!\\)\[\^', r'[^\\n', p)
|
|
|
|
|
|
pats[i] = (re.compile(p, re.MULTILINE),) + pseq[1:]
|
|
|
filters = c[3]
|
|
|
for i, flt in enumerate(filters):
|
|
|
filters[i] = re.compile(flt[0]), flt[1]
|
|
|
|
|
|
class norepeatlogger(object):
|
|
|
def __init__(self):
|
|
|
self._lastseen = None
|
|
|
|
|
|
def log(self, fname, lineno, line, msg, blame):
|
|
|
"""print error related a to given line of a given file.
|
|
|
|
|
|
The faulty line will also be printed but only once in the case
|
|
|
of multiple errors.
|
|
|
|
|
|
:fname: filename
|
|
|
:lineno: line number
|
|
|
:line: actual content of the line
|
|
|
:msg: error message
|
|
|
"""
|
|
|
msgid = fname, lineno, line
|
|
|
if msgid != self._lastseen:
|
|
|
if blame:
|
|
|
print("%s:%d (%s):" % (fname, lineno, blame))
|
|
|
else:
|
|
|
print("%s:%d:" % (fname, lineno))
|
|
|
print(" > %s" % line)
|
|
|
self._lastseen = msgid
|
|
|
print(" " + msg)
|
|
|
|
|
|
_defaultlogger = norepeatlogger()
|
|
|
|
|
|
def getblame(f):
|
|
|
lines = []
|
|
|
for l in os.popen('hg annotate -un %s' % f):
|
|
|
start, line = l.split(':', 1)
|
|
|
user, rev = start.split()
|
|
|
lines.append((line[1:-1], user, rev))
|
|
|
return lines
|
|
|
|
|
|
def checkfile(f, logfunc=_defaultlogger.log, maxerr=None, warnings=False,
|
|
|
blame=False, debug=False, lineno=True):
|
|
|
"""checks style and portability of a given file
|
|
|
|
|
|
:f: filepath
|
|
|
:logfunc: function used to report error
|
|
|
logfunc(filename, linenumber, linecontent, errormessage)
|
|
|
:maxerr: number of error to display before aborting.
|
|
|
Set to false (default) to report all errors
|
|
|
|
|
|
return True if no error is found, False otherwise.
|
|
|
"""
|
|
|
blamecache = None
|
|
|
result = True
|
|
|
|
|
|
try:
|
|
|
with opentext(f) as fp:
|
|
|
try:
|
|
|
pre = post = fp.read()
|
|
|
except UnicodeDecodeError as e:
|
|
|
print("%s while reading %s" % (e, f))
|
|
|
return result
|
|
|
except IOError as e:
|
|
|
print("Skipping %s, %s" % (f, str(e).split(':', 1)[0]))
|
|
|
return result
|
|
|
|
|
|
for name, match, magic, filters, pats in checks:
|
|
|
post = pre # discard filtering result of previous check
|
|
|
if debug:
|
|
|
print(name, f)
|
|
|
fc = 0
|
|
|
if not (re.match(match, f) or (magic and re.search(magic, pre))):
|
|
|
if debug:
|
|
|
print("Skipping %s for %s it doesn't match %s" % (
|
|
|
name, match, f))
|
|
|
continue
|
|
|
if "no-" "check-code" in pre:
|
|
|
# If you're looking at this line, it's because a file has:
|
|
|
# no- check- code
|
|
|
# but the reason to output skipping is to make life for
|
|
|
# tests easier. So, instead of writing it with a normal
|
|
|
# spelling, we write it with the expected spelling from
|
|
|
# tests/test-check-code.t
|
|
|
print("Skipping %s it has no-che?k-code (glob)" % f)
|
|
|
return "Skip" # skip checking this file
|
|
|
for p, r in filters:
|
|
|
post = re.sub(p, r, post)
|
|
|
nerrs = len(pats[0]) # nerr elements are errors
|
|
|
if warnings:
|
|
|
pats = pats[0] + pats[1]
|
|
|
else:
|
|
|
pats = pats[0]
|
|
|
# print post # uncomment to show filtered version
|
|
|
|
|
|
if debug:
|
|
|
print("Checking %s for %s" % (name, f))
|
|
|
|
|
|
prelines = None
|
|
|
errors = []
|
|
|
for i, pat in enumerate(pats):
|
|
|
if len(pat) == 3:
|
|
|
p, msg, ignore = pat
|
|
|
else:
|
|
|
p, msg = pat
|
|
|
ignore = None
|
|
|
if i >= nerrs:
|
|
|
msg = "warning: " + msg
|
|
|
|
|
|
pos = 0
|
|
|
n = 0
|
|
|
for m in p.finditer(post):
|
|
|
if prelines is None:
|
|
|
prelines = pre.splitlines()
|
|
|
postlines = post.splitlines(True)
|
|
|
|
|
|
start = m.start()
|
|
|
while n < len(postlines):
|
|
|
step = len(postlines[n])
|
|
|
if pos + step > start:
|
|
|
break
|
|
|
pos += step
|
|
|
n += 1
|
|
|
l = prelines[n]
|
|
|
|
|
|
if ignore and re.search(ignore, l, re.MULTILINE):
|
|
|
if debug:
|
|
|
print("Skipping %s for %s:%s (ignore pattern)" % (
|
|
|
name, f, n))
|
|
|
continue
|
|
|
bd = ""
|
|
|
if blame:
|
|
|
bd = 'working directory'
|
|
|
if not blamecache:
|
|
|
blamecache = getblame(f)
|
|
|
if n < len(blamecache):
|
|
|
bl, bu, br = blamecache[n]
|
|
|
if bl == l:
|
|
|
bd = '%s@%s' % (bu, br)
|
|
|
|
|
|
errors.append((f, lineno and n + 1, l, msg, bd))
|
|
|
result = False
|
|
|
|
|
|
errors.sort()
|
|
|
for e in errors:
|
|
|
logfunc(*e)
|
|
|
fc += 1
|
|
|
if maxerr and fc >= maxerr:
|
|
|
print(" (too many errors, giving up)")
|
|
|
break
|
|
|
|
|
|
return result
|
|
|
|
|
|
def main():
|
|
|
parser = optparse.OptionParser("%prog [options] [files]")
|
|
|
parser.add_option("-w", "--warnings", action="store_true",
|
|
|
help="include warning-level checks")
|
|
|
parser.add_option("-p", "--per-file", type="int",
|
|
|
help="max warnings per file")
|
|
|
parser.add_option("-b", "--blame", action="store_true",
|
|
|
help="use annotate to generate blame info")
|
|
|
parser.add_option("", "--debug", action="store_true",
|
|
|
help="show debug information")
|
|
|
parser.add_option("", "--nolineno", action="store_false",
|
|
|
dest='lineno', help="don't show line numbers")
|
|
|
|
|
|
parser.set_defaults(per_file=15, warnings=False, blame=False, debug=False,
|
|
|
lineno=True)
|
|
|
(options, args) = parser.parse_args()
|
|
|
|
|
|
if len(args) == 0:
|
|
|
check = glob.glob("*")
|
|
|
else:
|
|
|
check = args
|
|
|
|
|
|
_preparepats()
|
|
|
|
|
|
ret = 0
|
|
|
for f in check:
|
|
|
if not checkfile(f, maxerr=options.per_file, warnings=options.warnings,
|
|
|
blame=options.blame, debug=options.debug,
|
|
|
lineno=options.lineno):
|
|
|
ret = 1
|
|
|
return ret
|
|
|
|
|
|
if __name__ == "__main__":
|
|
|
sys.exit(main())
|
|
|
|
