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JoeLametta
2017-05-03 17:08:39 +02:00
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#!/usr/bin/python
# pep8.py - Check Python source code formatting, according to PEP 8
# Copyright (C) 2006 Johann C. Rocholl <johann@browsershots.org>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation files
# (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
"""
Check Python source code formatting, according to PEP 8:
http://www.python.org/dev/peps/pep-0008/
For usage and a list of options, try this:
$ python pep8.py -h
This program and its regression test suite live here:
http://svn.browsershots.org/trunk/devtools/pep8/
http://trac.browsershots.org/browser/trunk/devtools/pep8/
Groups of errors and warnings:
E errors
W warnings
100 indentation
200 whitespace
300 blank lines
400 imports
500 line length
600 deprecation
700 statements
You can add checks to this program by writing plugins. Each plugin is
a simple function that is called for each line of source code, either
physical or logical.
Physical line:
- Raw line of text from the input file.
Logical line:
- Multi-line statements converted to a single line.
- Stripped left and right.
- Contents of strings replaced with 'xxx' of same length.
- Comments removed.
The check function requests physical or logical lines by the name of
the first argument:
def maximum_line_length(physical_line)
def extraneous_whitespace(logical_line)
def blank_lines(logical_line, blank_lines, indent_level, line_number)
The last example above demonstrates how check plugins can request
additional information with extra arguments. All attributes of the
Checker object are available. Some examples:
lines: a list of the raw lines from the input file
tokens: the tokens that contribute to this logical line
line_number: line number in the input file
blank_lines: blank lines before this one
indent_char: first indentation character in this file (' ' or '\t')
indent_level: indentation (with tabs expanded to multiples of 8)
previous_indent_level: indentation on previous line
previous_logical: previous logical line
The docstring of each check function shall be the relevant part of
text from PEP 8. It is printed if the user enables --show-pep8.
"""
import os
import sys
import re
import time
import inspect
import tokenize
from optparse import OptionParser
from keyword import iskeyword
from fnmatch import fnmatch
__version__ = '0.2.0'
__revision__ = '$Rev$'
default_exclude = '.svn,CVS,*.pyc,*.pyo'
indent_match = re.compile(r'([ \t]*)').match
raise_comma_match = re.compile(r'raise\s+\w+\s*(,)').match
operators = """
+ - * / % ^ & | = < > >> <<
+= -= *= /= %= ^= &= |= == <= >= >>= <<=
!= <> :
in is or not and
""".split()
options = None
args = None
##############################################################################
# Plugins (check functions) for physical lines
##############################################################################
def tabs_or_spaces(physical_line, indent_char):
"""
Never mix tabs and spaces.
The most popular way of indenting Python is with spaces only. The
second-most popular way is with tabs only. Code indented with a mixture
of tabs and spaces should be converted to using spaces exclusively. When
invoking the Python command line interpreter with the -t option, it issues
warnings about code that illegally mixes tabs and spaces. When using -tt
these warnings become errors. These options are highly recommended!
"""
indent = indent_match(physical_line).group(1)
for offset, char in enumerate(indent):
if char != indent_char:
return offset, "E101 indentation contains mixed spaces and tabs"
def tabs_obsolete(physical_line):
"""
For new projects, spaces-only are strongly recommended over tabs. Most
editors have features that make this easy to do.
"""
indent = indent_match(physical_line).group(1)
if indent.count('\t'):
return indent.index('\t'), "W191 indentation contains tabs"
def trailing_whitespace(physical_line):
"""
JCR: Trailing whitespace is superfluous.
"""
physical_line = physical_line.rstrip('\n') # chr(10), newline
physical_line = physical_line.rstrip('\r') # chr(13), carriage return
physical_line = physical_line.rstrip('\x0c') # chr(12), form feed, ^L
stripped = physical_line.rstrip()
if physical_line != stripped:
return len(stripped), "W291 trailing whitespace"
def trailing_blank_lines(physical_line, lines, line_number):
"""
JCR: Trailing blank lines are superfluous.
"""
if physical_line.strip() == '' and line_number == len(lines):
return 0, "W391 blank line at end of file"
def missing_newline(physical_line):
"""
JCR: The last line should have a newline.
"""
if physical_line.rstrip() == physical_line:
return len(physical_line), "W292 no newline at end of file"
def maximum_line_length(physical_line):
"""
Limit all lines to a maximum of 79 characters.
There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to have
several windows side-by-side. The default wrapping on such devices looks
ugly. Therefore, please limit all lines to a maximum of 79 characters.
For flowing long blocks of text (docstrings or comments), limiting the
length to 72 characters is recommended.
"""
length = len(physical_line.rstrip())
if length > 79:
return 79, "E501 line too long (%d characters)" % length
##############################################################################
# Plugins (check functions) for logical lines
##############################################################################
def blank_lines(logical_line, blank_lines, indent_level, line_number,
previous_logical):
"""
Separate top-level function and class definitions with two blank lines.
Method definitions inside a class are separated by a single blank line.
Extra blank lines may be used (sparingly) to separate groups of related
functions. Blank lines may be omitted between a bunch of related
one-liners (e.g. a set of dummy implementations).
Use blank lines in functions, sparingly, to indicate logical sections.
"""
if line_number == 1:
return # Don't expect blank lines before the first line
if previous_logical.startswith('@'):
return # Don't expect blank lines after function decorator
if (logical_line.startswith('def ') or
logical_line.startswith('class ') or
logical_line.startswith('@')):
if indent_level > 0 and blank_lines != 1:
return 0, "E301 expected 1 blank line, found %d" % blank_lines
if indent_level == 0 and blank_lines != 2:
return 0, "E302 expected 2 blank lines, found %d" % blank_lines
if blank_lines > 2:
return 0, "E303 too many blank lines (%d)" % blank_lines
def extraneous_whitespace(logical_line):
"""
Avoid extraneous whitespace in the following situations:
- Immediately inside parentheses, brackets or braces.
- Immediately before a comma, semicolon, or colon.
"""
line = logical_line
for char in '([{':
found = line.find(char + ' ')
if found > -1:
return found + 1, "E201 whitespace after '%s'" % char
for char in '}])':
found = line.find(' ' + char)
if found > -1 and line[found - 1] != ',':
return found, "E202 whitespace before '%s'" % char
for char in ',;:':
found = line.find(' ' + char)
if found > -1:
return found, "E203 whitespace before '%s'" % char
def missing_whitespace(logical_line):
"""
JCR: Each comma, semicolon or colon should be followed by whitespace.
"""
line = logical_line
for index in range(len(line) - 1):
char = line[index]
if char in ',;:' and line[index + 1] != ' ':
before = line[:index]
if char == ':' and before.count('[') > before.count(']'):
continue # Slice syntax, no space required
return index, "E231 missing whitespace after '%s'" % char
def indentation(logical_line, previous_logical, indent_char,
indent_level, previous_indent_level):
"""
Use 4 spaces per indentation level.
For really old code that you don't want to mess up, you can continue to
use 8-space tabs.
"""
if indent_char == ' ' and indent_level % 4:
return 0, "E111 indentation is not a multiple of four"
indent_expect = previous_logical.endswith(':')
if indent_expect and indent_level <= previous_indent_level:
return 0, "E112 expected an indented block"
if indent_level > previous_indent_level and not indent_expect:
return 0, "E113 unexpected indentation"
def whitespace_before_parameters(logical_line, tokens):
"""
Avoid extraneous whitespace in the following situations:
- Immediately before the open parenthesis that starts the argument
list of a function call.
- Immediately before the open parenthesis that starts an indexing or
slicing.
"""
prev_type = tokens[0][0]
prev_text = tokens[0][1]
prev_end = tokens[0][3]
for index in range(1, len(tokens)):
token_type, text, start, end, line = tokens[index]
if (token_type == tokenize.OP and
text in '([' and
start != prev_end and
prev_type == tokenize.NAME and
(index < 2 or tokens[index - 2][1] != 'class') and
(not iskeyword(prev_text))):
return prev_end, "E211 whitespace before '%s'" % text
prev_type = token_type
prev_text = text
prev_end = end
def whitespace_around_operator(logical_line):
"""
Avoid extraneous whitespace in the following situations:
- More than one space around an assignment (or other) operator to
align it with another.
"""
line = logical_line
for operator in operators:
found = line.find(' ' + operator)
if found > -1:
return found, "E221 multiple spaces before operator"
found = line.find(operator + ' ')
if found > -1:
return found, "E222 multiple spaces after operator"
found = line.find('\t' + operator)
if found > -1:
return found, "E223 tab before operator"
found = line.find(operator + '\t')
if found > -1:
return found, "E224 tab after operator"
def whitespace_around_comma(logical_line):
"""
Avoid extraneous whitespace in the following situations:
- More than one space around an assignment (or other) operator to
align it with another.
JCR: This should also be applied around comma etc.
"""
line = logical_line
for separator in ',;:':
found = line.find(separator + ' ')
if found > -1:
return found + 1, "E241 multiple spaces after '%s'" % separator
found = line.find(separator + '\t')
if found > -1:
return found + 1, "E242 tab after '%s'" % separator
def imports_on_separate_lines(logical_line):
"""
Imports should usually be on separate lines.
"""
line = logical_line
if line.startswith('import '):
found = line.find(',')
if found > -1:
return found, "E401 multiple imports on one line"
def compound_statements(logical_line):
"""
Compound statements (multiple statements on the same line) are
generally discouraged.
"""
line = logical_line
found = line.find(':')
if -1 < found < len(line) - 1:
before = line[:found]
if (before.count('{') <= before.count('}') and # {'a': 1} (dict)
before.count('[') <= before.count(']') and # [1:2] (slice)
not re.search(r'\blambda\b', before)): # lambda x: x
return found, "E701 multiple statements on one line (colon)"
found = line.find(';')
if -1 < found:
return found, "E702 multiple statements on one line (semicolon)"
def python_3000_has_key(logical_line):
"""
The {}.has_key() method will be removed in the future version of
Python. Use the 'in' operation instead, like:
d = {"a": 1, "b": 2}
if "b" in d:
print d["b"]
"""
pos = logical_line.find('.has_key(')
if pos > -1:
return pos, "W601 .has_key() is deprecated, use 'in'"
def python_3000_raise_comma(logical_line):
"""
When raising an exception, use "raise ValueError('message')"
instead of the older form "raise ValueError, 'message'".
The paren-using form is preferred because when the exception arguments
are long or include string formatting, you don't need to use line
continuation characters thanks to the containing parentheses. The older
form will be removed in Python 3000.
"""
match = raise_comma_match(logical_line)
if match:
return match.start(1), "W602 deprecated form of raising exception"
##############################################################################
# Helper functions
##############################################################################
def expand_indent(line):
"""
Return the amount of indentation.
Tabs are expanded to the next multiple of 8.
>>> expand_indent(' ')
4
>>> expand_indent('\\t')
8
>>> expand_indent(' \\t')
8
>>> expand_indent(' \\t')
8
>>> expand_indent(' \\t')
16
"""
result = 0
for char in line:
if char == '\t':
result = result / 8 * 8 + 8
elif char == ' ':
result += 1
else:
break
return result
##############################################################################
# Framework to run all checks
##############################################################################
def message(text):
"""Print a message."""
# print >> sys.stderr, options.prog + ': ' + text
# print >> sys.stderr, text
print text
def find_checks(argument_name):
"""
Find all globally visible functions where the first argument name
starts with argument_name.
"""
checks = []
function_type = type(find_checks)
for name, function in globals().iteritems():
if type(function) is function_type:
args = inspect.getargspec(function)[0]
if len(args) >= 1 and args[0].startswith(argument_name):
checks.append((name, function, args))
checks.sort()
return checks
def mute_string(text):
"""
Replace contents with 'xxx' to prevent syntax matching.
>>> mute_string('"abc"')
'"xxx"'
>>> mute_string("'''abc'''")
"'''xxx'''"
>>> mute_string("r'abc'")
"r'xxx'"
"""
start = 1
end = len(text) - 1
# String modifiers (e.g. u or r)
if text.endswith('"'):
start += text.index('"')
elif text.endswith("'"):
start += text.index("'")
# Triple quotes
if text.endswith('"""') or text.endswith("'''"):
start += 2
end -= 2
return text[:start] + 'x' * (end - start) + text[end:]
class Checker:
"""
Load a Python source file, tokenize it, check coding style.
"""
def __init__(self, filename):
self.filename = filename
self.lines = file(filename).readlines()
self.physical_checks = find_checks('physical_line')
self.logical_checks = find_checks('logical_line')
options.counters['physical lines'] = \
options.counters.get('physical lines', 0) + len(self.lines)
def readline(self):
"""
Get the next line from the input buffer.
"""
self.line_number += 1
if self.line_number > len(self.lines):
return ''
return self.lines[self.line_number - 1]
def readline_check_physical(self):
"""
Check and return the next physical line. This method can be
used to feed tokenize.generate_tokens.
"""
line = self.readline()
if line:
self.check_physical(line)
return line
def run_check(self, check, argument_names):
"""
Run a check plugin.
"""
arguments = []
for name in argument_names:
arguments.append(getattr(self, name))
return check(*arguments)
def check_physical(self, line):
"""
Run all physical checks on a raw input line.
"""
self.physical_line = line
if self.indent_char is None and len(line) and line[0] in ' \t':
self.indent_char = line[0]
for name, check, argument_names in self.physical_checks:
result = self.run_check(check, argument_names)
if result is not None:
offset, text = result
self.report_error(self.line_number, offset, text, check)
def build_tokens_line(self):
"""
Build a logical line from tokens.
"""
self.mapping = []
logical = []
length = 0
previous = None
for token in self.tokens:
token_type, text = token[0:2]
if token_type in (tokenize.COMMENT, tokenize.NL,
tokenize.INDENT, tokenize.DEDENT,
tokenize.NEWLINE):
continue
if token_type == tokenize.STRING:
text = mute_string(text)
if previous:
end_line, end = previous[3]
start_line, start = token[2]
if end_line != start_line: # different row
if self.lines[end_line - 1][end - 1] not in '{[(':
logical.append(' ')
length += 1
elif end != start: # different column
fill = self.lines[end_line - 1][end:start]
logical.append(fill)
length += len(fill)
self.mapping.append((length, token))
logical.append(text)
length += len(text)
previous = token
self.logical_line = ''.join(logical)
assert self.logical_line.lstrip() == self.logical_line
assert self.logical_line.rstrip() == self.logical_line
def check_logical(self):
"""
Build a line from tokens and run all logical checks on it.
"""
options.counters['logical lines'] = \
options.counters.get('logical lines', 0) + 1
self.build_tokens_line()
first_line = self.lines[self.mapping[0][1][2][0] - 1]
indent = first_line[:self.mapping[0][1][2][1]]
self.previous_indent_level = self.indent_level
self.indent_level = expand_indent(indent)
if options.verbose >= 2:
print self.logical_line[:80].rstrip()
for name, check, argument_names in self.logical_checks:
if options.verbose >= 3:
print ' ', name
result = self.run_check(check, argument_names)
if result is not None:
offset, text = result
if type(offset) is tuple:
original_number, original_offset = offset
else:
for token_offset, token in self.mapping:
if offset >= token_offset:
original_number = token[2][0]
original_offset = (token[2][1]
+ offset - token_offset)
self.report_error(original_number, original_offset,
text, check)
self.previous_logical = self.logical_line
def check_all(self):
"""
Run all checks on the input file.
"""
self.file_errors = 0
self.line_number = 0
self.indent_char = None
self.indent_level = 0
self.previous_logical = ''
self.blank_lines = 0
self.tokens = []
parens = 0
for token in tokenize.generate_tokens(self.readline_check_physical):
# print tokenize.tok_name[token[0]], repr(token)
self.tokens.append(token)
token_type, text = token[0:2]
if token_type == tokenize.OP and text in '([{':
parens += 1
if token_type == tokenize.OP and text in '}])':
parens -= 1
if token_type == tokenize.NEWLINE and not parens:
self.check_logical()
self.blank_lines = 0
self.tokens = []
if token_type == tokenize.NL and not parens:
if len(self.tokens) <= 1:
# The physical line contains only this token.
self.blank_lines += 1
self.tokens = []
if token_type == tokenize.COMMENT:
source_line = token[4]
token_start = token[2][1]
if source_line[:token_start].strip() == '':
self.blank_lines = 0
if text.endswith('\n') and not parens:
# The comment also ends a physical line. This works around
# Python < 2.6 behaviour, which does not generate NL after
# a comment which is on a line by itself.
self.tokens = []
return self.file_errors
def report_error(self, line_number, offset, text, check):
"""
Report an error, according to options.
"""
if options.quiet == 1 and not self.file_errors:
message(self.filename)
self.file_errors += 1
code = text[:4]
options.counters[code] = options.counters.get(code, 0) + 1
options.messages[code] = text[5:]
if options.quiet:
return
if options.testsuite:
base = os.path.basename(self.filename)[:4]
if base == code:
return
if base[0] == 'E' and code[0] == 'W':
return
if ignore_code(code):
return
if options.counters[code] == 1 or options.repeat:
message("%s:%s:%d: %s" %
(self.filename, line_number, offset + 1, text))
if options.show_source:
line = self.lines[line_number - 1]
message(line.rstrip())
message(' ' * offset + '^')
if options.show_pep8:
message(check.__doc__.lstrip('\n').rstrip())
def input_file(filename):
"""
Run all checks on a Python source file.
"""
if excluded(filename) or not filename_match(filename):
return {}
if options.verbose:
message('checking ' + filename)
options.counters['files'] = options.counters.get('files', 0) + 1
errors = Checker(filename).check_all()
if options.testsuite and not errors:
message("%s: %s" % (filename, "no errors found"))
return errors
def input_dir(dirname):
"""
Check all Python source files in this directory and all subdirectories.
"""
dirname = dirname.rstrip('/')
if excluded(dirname):
return 0
errors = 0
for root, dirs, files in os.walk(dirname):
if options.verbose:
message('directory ' + root)
options.counters['directories'] = \
options.counters.get('directories', 0) + 1
dirs.sort()
for subdir in dirs:
if excluded(subdir):
dirs.remove(subdir)
files.sort()
for filename in files:
errors += input_file(os.path.join(root, filename))
return errors
def excluded(filename):
"""
Check if options.exclude contains a pattern that matches filename.
"""
basename = os.path.basename(filename)
for pattern in options.exclude:
if fnmatch(basename, pattern):
# print basename, 'excluded because it matches', pattern
return True
def filename_match(filename):
"""
Check if options.filename contains a pattern that matches filename.
If options.filename is unspecified, this always returns True.
"""
if not options.filename:
return True
for pattern in options.filename:
if fnmatch(filename, pattern):
return True
def ignore_code(code):
"""
Check if options.ignore contains a prefix of the error code.
"""
for ignore in options.ignore:
if code.startswith(ignore):
return True
def get_error_statistics():
"""Get error statistics."""
return get_statistics("E")
def get_warning_statistics():
"""Get warning statistics."""
return get_statistics("W")
def get_statistics(prefix=''):
"""
Get statistics for message codes that start with the prefix.
prefix='' matches all errors and warnings
prefix='E' matches all errors
prefix='W' matches all warnings
prefix='E4' matches all errors that have to do with imports
"""
stats = []
keys = options.messages.keys()
keys.sort()
for key in keys:
if key.startswith(prefix):
stats.append('%-7s %s %s' %
(options.counters[key], key, options.messages[key]))
return stats
def print_statistics(prefix=''):
"""Print overall statistics (number of errors and warnings)."""
for line in get_statistics(prefix):
print line
def print_benchmark(elapsed):
"""
Print benchmark numbers.
"""
print '%-7.2f %s' % (elapsed, 'seconds elapsed')
keys = ['directories', 'files',
'logical lines', 'physical lines']
for key in keys:
if key in options.counters:
print '%-7d %s per second (%d total)' % (
options.counters[key] / elapsed, key,
options.counters[key])
def process_options(arglist=None):
"""
Process options passed either via arglist or via command line args.
"""
global options, args
usage = "%prog [options] input ..."
parser = OptionParser(usage)
parser.add_option('-v', '--verbose', default=0, action='count',
help="print status messages, or debug with -vv")
parser.add_option('-q', '--quiet', default=0, action='count',
help="report only file names, or nothing with -qq")
parser.add_option('--exclude', metavar='patterns', default=default_exclude,
help="skip matches (default %s)" % default_exclude)
parser.add_option('--filename', metavar='patterns',
help="only check matching files (e.g. *.py)")
parser.add_option('--ignore', metavar='errors', default='',
help="skip errors and warnings (e.g. E4,W)")
parser.add_option('--repeat', action='store_true',
help="show all occurrences of the same error")
parser.add_option('--show-source', action='store_true',
help="show source code for each error")
parser.add_option('--show-pep8', action='store_true',
help="show text of PEP 8 for each error")
parser.add_option('--statistics', action='store_true',
help="count errors and warnings")
parser.add_option('--benchmark', action='store_true',
help="measure processing speed")
parser.add_option('--testsuite', metavar='dir',
help="run regression tests from dir")
parser.add_option('--doctest', action='store_true',
help="run doctest on myself")
options, args = parser.parse_args(arglist)
if options.testsuite:
args.append(options.testsuite)
if len(args) == 0:
parser.error('input not specified')
options.prog = os.path.basename(sys.argv[0])
options.exclude = options.exclude.split(',')
for index in range(len(options.exclude)):
options.exclude[index] = options.exclude[index].rstrip('/')
if options.filename:
options.filename = options.filename.split(',')
if options.ignore:
options.ignore = options.ignore.split(',')
else:
options.ignore = []
options.counters = {}
options.messages = {}
return options, args
def _main():
"""
Parse options and run checks on Python source.
"""
options, args = process_options()
if options.doctest:
import doctest
return doctest.testmod()
start_time = time.time()
errors = 0
for path in args:
if os.path.isdir(path):
errors += input_dir(path)
else:
errors += input_file(path)
elapsed = time.time() - start_time
if options.statistics:
print_statistics()
if options.benchmark:
print_benchmark(elapsed)
return errors > 0
if __name__ == '__main__':
sys.exit(_main())

244
misc/pycheckerrc
View File

@@ -1,244 +0,0 @@
# -*- python -*-
# .pycheckrc file created by PyChecker v0.8.14 @ Thu Oct 21 19:22:09 2004
#
# It should be placed in your home directory (value of $HOME).
# If $HOME is not set, it will look in the current directory.
#
# list of evil C extensions that crash the interpreter
evil = []
# unused imports
importUsed = 1
# unused imports from __init__.py
packageImportUsed = 1
# module imports itself
reimportSelf = 0
# reimporting a module
moduleImportErrors = 0
# module does import and from ... import
mixImport = 0
# unused local variables, except tuples
localVariablesUsed = 1
# all unused local variables, including tuples
unusedLocalTuple = 0
# all unused class data members
membersUsed = 0
# all unused module variables
allVariablesUsed = 0
# unused private module variables
privateVariableUsed = 0
# report each occurrence of global warnings
reportAllGlobals = 0
# functions called with named arguments (like keywords)
namedArgs = 0
# Attributes (members) must be defined in __init__()
onlyCheckInitForMembers = 0
# Subclass.__init__() not defined
initDefinedInSubclass = 0
# Baseclass.__init__() not called
baseClassInitted = 0
# Subclass needs to override methods that only throw exceptions
abstractClasses = 0
# Return None from __init__()
returnNoneFromInit = 1
# unreachable code
unreachableCode = 0
# a constant is used in a conditional statement
constantConditions = 1
# 1 is used in a conditional statement (if 1: or while 1:)
constant1 = 0
# check if iterating over a string
stringIteration = 1
# check improper use of string.find()
# This is new in pychecker 0.8.14 which is not installed everywhere
#stringFind = 1
# Calling data members as functions
callingAttribute = 0
# class attribute does not exist
# FIXME: need to fix bug in pychecker so we can disable this per admin_gtk
# class
# classAttrExists = 1
classAttrExists = 0
# First argument to methods
methodArgName = 'self'
# First argument to classmethods
# classmethodArgNames = ['cls', 'klass']
# unused method/function arguments
argumentsUsed = 0
# unused method/function variable arguments
varArgumentsUsed = 0
# ignore if self is unused in methods
ignoreSelfUnused = 0
# check if overridden methods have the same signature
checkOverridenMethods = 0
# check if __special__ methods exist and have the correct signature
checkSpecialMethods = 1
# check if function/class/method names are reused
redefiningFunction = 1
# check if using unary positive (+) which is usually meaningless
unaryPositive = 1
# check if modify (call method) on a parameter that has a default value
modifyDefaultValue = 1
# check if variables are set to different types
inconsistentTypes = 0
# check if unpacking a non-sequence
unpackNonSequence = 1
# check if unpacking sequence with the wrong length
unpackLength = 1
# check if raising or catching bad exceptions
badExceptions = 1
# check if statement appears to have no effect
noEffect = 1
# check if using (expr % 1), it has no effect on integers and strings
modulo1 = 1
# check if using (expr is const-literal), doesn't always work on integers and strings
isLiteral = 1
# check consistent return values
checkReturnValues = 1
# check if using implict and explicit return values
checkImplicitReturns = 0
# check that attributes of objects exist
checkObjectAttrs = 1
# various warnings about incorrect usage of __slots__
slots = 1
# using properties with classic classes
classicProperties = 1
# check if __slots__ is empty
emptySlots = 1
# check if using integer division
intDivide = 1
# check if local variable shadows a global
# disabled because it doesn't give useful output:
# test_input/test24.py:11: Local variable (shadow) shadows global defined on line 0 in file <unknown>
shadows = 0
# check if a variable shadows a builtin
shadowBuiltins = 1
# check if input() is used
usesInput = 1
# check if the exec statement is used
usesExec = 0
# ignore warnings from files under standard library
ignoreStandardLibrary = 1
# ignore warnings from the list of modules
blacklist = [
'gtk', 'twisted', 'twisted.python', 'pyexpat',
'zope.interface', 'zope.interface.declarations',
'zope.interface.interface',
'_interface_coptimizations',
#warning: couldn't find real module for class xml.parsers.expat.ExpatError (module name: xml.parsers.expat)
'xml.parsers.expat',
'unittest',
'whipper.extern.log.log',
]
# ignore global variables not used if name is one of these values
variablesToIgnore = ['__version__', '__warningregistry__', '__all__', '__credits__', '__test__', '__author__', '__email__', '__revision__']
# ignore unused locals/arguments if name is one of these values
unusedNames = ['_', 'empty', 'unused', 'dummy']
# ignore use of deprecated modules/functions
deprecated = 1
# maximum lines in a function
maxLines = 250
# maximum branches in a function
maxBranches = 50
# maximum returns in a function
maxReturns = 10
# maximum # of arguments to a function
maxArgs = 10
# maximum # of locals in a function
maxLocals = 40
# maximum # of identifier references (Law of Demeter)
maxReferences = 5
# no module doc strings
noDocModule = 0
# no class doc strings
noDocClass = 0
# no function/method doc strings
noDocFunc = 0
# print internal checker parse structures
printParse = 0
# turn on debugging for checker
debug = 0
# suppressions work like this
suppressions = {
# FIXME: Consumption has a get_next with steps=None
'flumotion.wizard.steps.Consumption': "no-override",
# FIXME: the import there is for registering steps; do an actual method
'flumotion.wizard.wizard.Wizard': "no-import",
# 'flumotion.twisted.defer.defer_generator': "self=wrapperself",
# deferToThread imports reactor, which e.g. flumotion.worker.checks.video010
# does as well
'twisted.internet.threads.deferToThread' : "no-shadow",
# FIXME: doing this inline doesn't seem to work
'flumotion.component.producers.looper.admin_gtk.py': 'no-classattr',
# Catching a non-Exception object (KeyboardInterrupt)
'unittest': 'no-badexcept',
}

87
misc/show-coverage.py
View File

@@ -1,87 +0,0 @@
import os
import sys
class Presentation:
def __init__(self, name, lines, covered):
self.name = name
self.lines = lines
self.covered = covered
if self.covered == 0:
self.percent = 0
else:
self.percent = 100 * self.covered / float(self.lines)
def show(self, maxlen=20):
format = '%%-%ds %%3d %%%% (%%4d / %%4d)' % maxlen
print format % (self.name, self.percent, self.covered, self.lines)
class Coverage:
def __init__(self):
self.files = []
self.total_lines = 0
self.total_covered = 0
def _strip_filename(self, filename):
filename = os.path.basename(filename)
if filename.endswith('.cover'):
filename = filename[:-6]
return filename
def add_file(self, file):
self.files.append(file)
def show_results(self):
if not hasattr(self, 'files'):
print 'No coverage data'
return
self.maxlen = max(map(lambda f: len(self._strip_filename(f)),
self.files))
print 'Coverage report:'
print '-' * (self.maxlen + 23)
for file in self.files:
self.show_one(file)
print '-' * (self.maxlen + 23)
p = Presentation('Total', self.total_lines, self.total_covered)
p.show(self.maxlen)
def show_one(self, filename):
f = open(filename)
lines = [line for line in f.readlines()
if (':' in line or line.startswith('>>>>>>')) and
not line.strip().startswith('#') and
not line.endswith(':\n')]
uncovered_lines = [line for line in lines
if line.startswith('>>>>>>')]
if not lines:
return
filename = self._strip_filename(filename)
p = Presentation(filename,
len(lines),
len(lines) - len(uncovered_lines))
p.show(self.maxlen)
self.total_lines += p.lines
self.total_covered += p.covered
def main(args):
c = Coverage()
files = args[1:]
files.sort()
for file in files:
if 'flumotion.test' in file:
continue
if '__init__' in file:
continue
c.add_file(file)
c.show_results()
if __name__ == '__main__':
sys.exit(main(sys.argv))

83
misc/whipper-uninstalled
View File

@@ -1,83 +0,0 @@
#!/bin/bash -i
#
# set up environment to use and develop uninstalled
#
# set up PATH, PYTHONPATH
#
# prefer uninstalled versions, but also put installed ones on the path
#
# symlink this script in a directory in your path (for example $HOME/bin)
# to a name that reflects the version of your checkout
# this script is run -i so that PS1 doesn't get cleared
self=$0
absolute=$self
if test -L $absolute
then
# find what the symlink points to
absolute=`stat $absolute -c %N -t | sed 's/^.* -> .//g' | sed 's/.$//g'`
fi
MISCDIR=`dirname $absolute`
BASEDIR=`cd $MISCDIR/.. && pwd`
# extract version from $0
# if this script is called "...-head" then version will be "head"
PROJECT=`basename $self | sed s/-.*//g`
VERSION=`basename $self | sed s/.*-//g`
COMMAND=$PROJECT
# override if the command line name to be completed is different
COMMAND=whipper
options=
# set up a bunch of paths
export PATH=$BASEDIR/bin${PATH:+:$PATH}
export PYTHONPATH=$BASEDIR${PYTHONPATH:+:$PYTHONPATH}
# set up bash completion if we have it
tmp=
if echo $SHELL | grep bash > /dev/null
then
if test -d $BASEDIR/etc/bash_completion.d
then
# we need to create our own temporary bashrc replacement from the user's
# and our completion stuff
tmp=`mktemp -t bashrc.XXXXXXXX`
if test -e $HOME/.bashrc
then
cat $HOME/.bashrc > $tmp
fi
cat $BASEDIR/etc/bash_completion.d/$COMMAND >> $tmp
SHELL_OPTIONS="--init-file $tmp"
options="(with bash completion)"
fi
fi
# if we got a command, run it, else start a shell
if test ! -z "$1";
then
$@
exit $?
fi
# set up prompt to help us remember we're in a subshell, cd to
# the base directory and start $SHELL
cd $BASEDIR
shell=$SHELL
if test "x$SHELL" == "x/bin/bash"
then
# debian/ubuntu resets our PS1. bastards.
if test -e /etc/debian_version
then
SHELL_OPTIONS="$SHELL_OPTIONS --noprofile"
fi
fi
echo Entering interactive $PROJECT shell $SHELL $options
PS1="[$PROJECT-$VERSION] $PS1" $SHELL $SHELL_OPTIONS
if test ! -z "$tmp"
then
rm $tmp
fi
echo Thank you for using $PROJECT.