80a7a79ac3
Add note to move H601 FIx docstrings for H902 and H902 Change-Id: I157ee4d08dd665611ac0d5417e7e54553be8be2c
768 lines
26 KiB
Python
Executable File
768 lines
26 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright (c) 2012, Cloudscaling
|
|
# All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
"""OpenStack HACKING file compliance testing
|
|
|
|
Built as a sets of pep8 checks using flake8.
|
|
"""
|
|
|
|
import ConfigParser
|
|
import gettext
|
|
import imp
|
|
import logging
|
|
import os
|
|
import re
|
|
import subprocess
|
|
import sys
|
|
import tokenize
|
|
import traceback
|
|
|
|
import d2to1.util
|
|
import pep8
|
|
|
|
# Don't need this for testing
|
|
logging.disable('LOG')
|
|
|
|
# Import tests need to inject _ properly into the builtins
|
|
gettext.install('hacking', unicode=1)
|
|
|
|
|
|
def flake8ext(f):
|
|
f.name = __name__
|
|
f.version = '0.0.1'
|
|
return f
|
|
|
|
# Error code block layout
|
|
|
|
#H1xx comments
|
|
#H2xx except
|
|
#H3xx imports
|
|
#H4xx docstrings
|
|
#H5xx dictionaries/lists
|
|
#H6xx calling methods
|
|
#H7xx localization
|
|
#H8xx git commit messages
|
|
#H9xx other
|
|
|
|
IMPORT_EXCEPTIONS = ['sqlalchemy', 'migrate', 'nova.db.sqlalchemy.session',
|
|
'nova.db.sqlalchemy.migration.versioning_api']
|
|
# Paste is missing a __init__ in top level directory
|
|
START_DOCSTRING_TRIPLE = ['u"""', 'r"""', '"""', "u'''", "r'''", "'''"]
|
|
END_DOCSTRING_TRIPLE = ['"""', "'''"]
|
|
|
|
|
|
def is_import_exception(mod):
|
|
return (mod in IMPORT_EXCEPTIONS or
|
|
any(mod.startswith(m + '.') for m in IMPORT_EXCEPTIONS))
|
|
|
|
|
|
def import_normalize(line):
|
|
# convert "from x import y" to "import x.y"
|
|
# handle "from x import y as z" to "import x.y as z"
|
|
split_line = line.split()
|
|
if ("import" in line and line.startswith("from ") and "," not in line and
|
|
split_line[2] == "import" and split_line[3] != "*" and
|
|
split_line[1] != "__future__" and
|
|
(len(split_line) == 4 or
|
|
(len(split_line) == 6 and split_line[4] == "as"))):
|
|
return "import %s.%s" % (split_line[1], split_line[3])
|
|
else:
|
|
return line
|
|
|
|
|
|
@flake8ext
|
|
def hacking_todo_format(physical_line, tokens):
|
|
"""Check for 'TODO()'.
|
|
|
|
OpenStack HACKING guide recommendation for TODO:
|
|
Include your name with TODOs as in "#TODO(termie)"
|
|
|
|
Okay: #TODO(sdague)
|
|
Okay: # TODO(sdague)
|
|
H101: #TODO fail
|
|
H101: #TODO
|
|
H101: #TODO (jogo) fail
|
|
Okay: TODO = 5
|
|
"""
|
|
#TODO(jogo): make the following doctests pass:
|
|
# H101: #TODO(jogo fail
|
|
# H101: #TODO(jogo
|
|
#TODO(jogo): make this check docstrings as well (don't have to be at top
|
|
# of function)
|
|
pos = physical_line.find('TODO')
|
|
pos1 = physical_line.find('TODO(')
|
|
pos2 = physical_line.find('#') # make sure it's a comment
|
|
if (pos != pos1 and pos2 >= 0 and pos2 < pos and len(tokens) == 0):
|
|
return pos, "H101: Use TODO(NAME)"
|
|
|
|
|
|
def _check_for_apache(start, lines):
|
|
"""Check for the Apache 2.0 license header.
|
|
|
|
We strip all the newlines and extra spaces so this license string
|
|
should work regardless of indentation in the file.
|
|
"""
|
|
APACHE2 = """
|
|
Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
not use this file except in compliance with the License. You may obtain
|
|
a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
License for the specific language governing permissions and limitations
|
|
under the License."""
|
|
|
|
# out of all the formatting I've seen, a 12 line version seems to be the
|
|
# longest in the source tree. So just take the 12 lines starting with where
|
|
# the Apache starting words were found, strip all the '#' and collapse the
|
|
# spaces.
|
|
content = ''.join(lines[start:(start + 12)])
|
|
content = re.sub('\#', '', content)
|
|
content = re.sub('\s+', ' ', content)
|
|
stripped_apache2 = re.sub('\s+', ' ', APACHE2)
|
|
|
|
if stripped_apache2 in content:
|
|
return True
|
|
else:
|
|
print "License '%s' != '%s'" % (stripped_apache2, content)
|
|
return False
|
|
|
|
|
|
def _project_is_apache():
|
|
"""Determine if a project is Apache.
|
|
|
|
Look for a key string in a set of possible license files to figure out
|
|
if a project looks to be Apache. This is used as a precondition for
|
|
enforcing license headers.
|
|
"""
|
|
|
|
license_files = ["LICENSE"]
|
|
for filename in license_files:
|
|
try:
|
|
with open(filename, "r") as file:
|
|
for line in file:
|
|
if re.search('Apache License', line):
|
|
return True
|
|
except IOError:
|
|
pass
|
|
return False
|
|
|
|
|
|
@flake8ext
|
|
def hacking_has_license(physical_line, filename, lines, line_number):
|
|
"""Check for Apache 2.0 license.
|
|
|
|
H102
|
|
"""
|
|
# don't work about init files for now
|
|
# TODO(sdague): enforce license in init file if it's not empty of content
|
|
license_found = False
|
|
|
|
# skip files that are < 10 lines, which isn't enough for a license to fit
|
|
# this allows us to handle empty files, as well as not fail on the Okay
|
|
# doctests.
|
|
if _project_is_apache() and not line_number > 1 and len(lines) > 10:
|
|
for idx, line in enumerate(lines):
|
|
# if it's more than 10 characters in, it's probably not in the
|
|
# header
|
|
if 0 < line.find('Licensed under the Apache License') < 10:
|
|
if _check_for_apache(idx, lines):
|
|
license_found = True
|
|
else:
|
|
return (idx, "H102: Apache 2.0 license header not found")
|
|
|
|
if not license_found:
|
|
return (0, "H102: Apache 2.0 license header not found")
|
|
|
|
|
|
@flake8ext
|
|
def hacking_except_format(logical_line):
|
|
r"""Check for 'except:'.
|
|
|
|
OpenStack HACKING guide recommends not using except:
|
|
Do not write "except:", use "except Exception:" at the very least
|
|
|
|
Okay: try:\n pass\nexcept Exception:\n pass
|
|
H201: try:\n pass\nexcept:\n pass
|
|
H201: except:
|
|
"""
|
|
if logical_line.startswith("except:"):
|
|
yield 6, "H201: no 'except:' at least use 'except Exception:'"
|
|
|
|
|
|
@flake8ext
|
|
def hacking_except_format_assert(logical_line):
|
|
r"""Check for 'assertRaises(Exception'.
|
|
|
|
OpenStack HACKING guide recommends not using assertRaises(Exception...):
|
|
Do not use overly broad Exception type
|
|
|
|
Okay: self.assertRaises(NovaException)
|
|
Okay: self.assertRaises(ExceptionStrangeNotation)
|
|
H202: self.assertRaises(Exception)
|
|
"""
|
|
if logical_line.startswith("self.assertRaises(Exception)"):
|
|
yield 1, "H202: assertRaises Exception too broad"
|
|
|
|
|
|
modules_cache = dict((mod, True) for mod in tuple(sys.modules.keys())
|
|
+ sys.builtin_module_names)
|
|
|
|
RE_RELATIVE_IMPORT = re.compile('^from\s*[.]')
|
|
|
|
|
|
@flake8ext
|
|
def hacking_import_rules(logical_line, filename):
|
|
r"""Check for imports.
|
|
|
|
OpenStack HACKING guide recommends one import per line:
|
|
Do not import more than one module per line
|
|
|
|
Examples:
|
|
Okay: from nova.compute import api
|
|
H301: from nova.compute import api, utils
|
|
|
|
|
|
Imports should usually be on separate lines.
|
|
|
|
OpenStack HACKING guide recommends importing only modules:
|
|
Do not import objects, only modules
|
|
|
|
Examples:
|
|
Okay: from os import path
|
|
Okay: from os import path as p
|
|
Okay: from os import (path as p)
|
|
Okay: import os.path
|
|
Okay: from nova.compute import rpcapi
|
|
H302: from os.path import dirname as dirname2
|
|
H302: from os.path import (dirname as dirname2)
|
|
H303: from os.path import *
|
|
H304: from .compute import rpcapi
|
|
"""
|
|
#TODO(jogo): make the following doctests pass:
|
|
# H301: import os, sys
|
|
#NOTE(afazekas): An old style relative import example will not be able to
|
|
# pass the doctest, since the relativity depends on the file's locality
|
|
#TODO(mordred: We need to split this into 4 different checks so that they
|
|
# can be disabled by command line switches properly
|
|
|
|
def is_module_for_sure(mod, search_path=sys.path):
|
|
mod = mod.replace('(', '') # Ignore parentheses
|
|
try:
|
|
mod_name = mod
|
|
while '.' in mod_name:
|
|
pack_name, _sep, mod_name = mod.partition('.')
|
|
f, p, d = imp.find_module(pack_name, search_path)
|
|
search_path = [p]
|
|
imp.find_module(mod_name, search_path)
|
|
except ImportError:
|
|
try:
|
|
# NOTE(vish): handle namespace modules
|
|
__import__(mod)
|
|
except ImportError, exc:
|
|
# NOTE(vish): the import error might be due
|
|
# to a missing dependency
|
|
missing = str(exc).split()[-1]
|
|
if (missing != mod.split('.')[-1] or
|
|
"cannot import" in str(exc)):
|
|
return True
|
|
return False
|
|
except Exception:
|
|
# NOTE(jogo) don't stack trace if unexpected import error,
|
|
# log and continue.
|
|
traceback.print_exc()
|
|
return False
|
|
return True
|
|
|
|
def is_module(mod):
|
|
"""Checks for non module imports."""
|
|
if mod in modules_cache:
|
|
return modules_cache[mod]
|
|
res = is_module_for_sure(mod)
|
|
modules_cache[mod] = res
|
|
return res
|
|
|
|
current_path = os.path.dirname(filename)
|
|
current_mod = os.path.basename(filename)
|
|
if current_mod[-3:] == ".py":
|
|
current_mod = current_mod[:-3]
|
|
|
|
split_line = logical_line.split()
|
|
split_line_len = len(split_line)
|
|
if (split_line[0] in ('import', 'from') and split_line_len > 1 and
|
|
not is_import_exception(split_line[1])):
|
|
pos = logical_line.find(',')
|
|
if pos != -1:
|
|
if split_line[0] == 'from':
|
|
yield pos, "H301: one import per line"
|
|
return # ',' is not supported by the H302 checker yet
|
|
pos = logical_line.find('*')
|
|
if pos != -1:
|
|
yield pos, "H303: No wildcard (*) import."
|
|
return
|
|
|
|
if split_line_len in (2, 4, 6) and split_line[1] != "__future__":
|
|
if 'from' == split_line[0] and split_line_len > 3:
|
|
mod = '.'.join((split_line[1], split_line[3]))
|
|
if is_import_exception(mod):
|
|
return
|
|
if RE_RELATIVE_IMPORT.search(logical_line):
|
|
yield logical_line.find('.'), (
|
|
"H304: No relative imports. '%s' is a relative import"
|
|
% logical_line)
|
|
return
|
|
|
|
if not is_module(mod):
|
|
yield 0, ("H302: import only modules."
|
|
"'%s' does not import a module" % logical_line)
|
|
return
|
|
|
|
#NOTE(afazekas): import searches first in the package
|
|
# The import keyword just imports modules
|
|
# The guestfs module now imports guestfs
|
|
mod = split_line[1]
|
|
if (current_mod != mod and not is_module(mod) and
|
|
is_module_for_sure(mod, [current_path])):
|
|
yield 0, ("H304: No relative imports."
|
|
" '%s' is a relative import" % logical_line)
|
|
|
|
|
|
#TODO(jogo): import template: H305
|
|
|
|
|
|
@flake8ext
|
|
def hacking_import_alphabetical(logical_line, blank_lines, previous_logical,
|
|
indent_level, previous_indent_level):
|
|
r"""Check for imports in alphabetical order.
|
|
|
|
OpenStack HACKING guide recommendation for imports:
|
|
imports in human alphabetical order
|
|
|
|
Okay: import os\nimport sys\n\nimport nova\nfrom nova import test
|
|
Okay: import os\nimport sys
|
|
H306: import sys\nimport os
|
|
"""
|
|
# handle import x
|
|
# use .lower since capitalization shouldn't dictate order
|
|
split_line = import_normalize(logical_line.strip()).lower().split()
|
|
split_previous = import_normalize(previous_logical.strip()).lower().split()
|
|
|
|
if blank_lines < 1 and indent_level == previous_indent_level:
|
|
length = [2, 4]
|
|
if (len(split_line) in length and len(split_previous) in length and
|
|
split_line[0] == "import" and split_previous[0] == "import"):
|
|
if split_line[1] < split_previous[1]:
|
|
yield (0, "H306: imports not in alphabetical order (%s, %s)"
|
|
% (split_previous[1], split_line[1]))
|
|
|
|
|
|
def is_docstring(physical_line, previous_logical):
|
|
"""Return True if found docstring
|
|
|
|
'A docstring is a string literal that occurs as the first statement in a
|
|
module, function, class,'
|
|
http://www.python.org/dev/peps/pep-0257/#what-is-a-docstring
|
|
"""
|
|
line = physical_line.lstrip()
|
|
start = max([line.find(i) for i in START_DOCSTRING_TRIPLE])
|
|
end = max([line[-4:-1] == i for i in END_DOCSTRING_TRIPLE])
|
|
if (previous_logical.startswith("def ") or
|
|
previous_logical.startswith("class ")):
|
|
if start is 0:
|
|
return True
|
|
else:
|
|
# Handle multi line comments
|
|
return end and start in (-1, len(line) - 4)
|
|
|
|
|
|
@flake8ext
|
|
def hacking_docstring_start_space(physical_line, previous_logical):
|
|
r"""Check for docstring not starting with space.
|
|
|
|
OpenStack HACKING guide recommendation for docstring:
|
|
Docstring should not start with space
|
|
|
|
Okay: def foo():\n '''This is good.'''
|
|
Okay: def foo():\n a = ''' This is not a docstring.'''
|
|
Okay: def foo():\n pass\n ''' This is not.'''
|
|
H401: def foo():\n ''' This is not.'''
|
|
"""
|
|
# short circuit so that we don't fail on our own fail test
|
|
# when running under external pep8
|
|
if physical_line.find("H401: def foo()") != -1:
|
|
return
|
|
|
|
# it's important that we determine this is actually a docstring,
|
|
# and not a doc block used somewhere after the first line of a
|
|
# function def
|
|
if is_docstring(physical_line, previous_logical):
|
|
pos = max([physical_line.find(i) for i in START_DOCSTRING_TRIPLE])
|
|
if physical_line[pos + 3] == ' ':
|
|
return (pos, "H401: docstring should not start with"
|
|
" a space")
|
|
|
|
|
|
@flake8ext
|
|
def hacking_docstring_one_line(physical_line, previous_logical):
|
|
r"""Check one line docstring end.
|
|
|
|
OpenStack HACKING guide recommendation for one line docstring:
|
|
A one line docstring looks like this and ends in punctuation.
|
|
|
|
Okay: def foo():\n '''This is good.'''
|
|
Okay: def foo():\n '''This is good too!'''
|
|
Okay: def foo():\n '''How about this?'''
|
|
Okay: def foo():\n a = '''This is not a docstring'''
|
|
Okay: def foo():\n pass\n '''This is not a docstring'''
|
|
Okay: class Foo:\n pass\n '''This is not a docstring'''
|
|
H402: def foo():\n '''This is not'''
|
|
H402: def foo():\n '''Bad punctuation,'''
|
|
H402: def foo():\n '''Bad punctuation:'''
|
|
H402: def foo():\n '''Bad punctuation;'''
|
|
H402: class Foo:\n '''Bad punctuation,'''
|
|
"""
|
|
#TODO(jogo) make this apply to multi line docstrings as well
|
|
line = physical_line.lstrip()
|
|
if is_docstring(physical_line, previous_logical):
|
|
pos = max([line.find(i) for i in START_DOCSTRING_TRIPLE]) # start
|
|
end = max([line[-4:-1] == i for i in END_DOCSTRING_TRIPLE]) # end
|
|
|
|
if pos != -1 and end and len(line) > pos + 4:
|
|
if line[-5] not in ['.', '?', '!']:
|
|
return pos, "H402: one line docstring needs punctuation."
|
|
|
|
|
|
@flake8ext
|
|
def hacking_docstring_multiline_end(physical_line, previous_logical, tokens):
|
|
r"""Check multi line docstring end.
|
|
|
|
OpenStack HACKING guide recommendation for docstring:
|
|
Docstring should end on a new line
|
|
|
|
Okay: '''foobar\nfoo\nbar\n'''
|
|
Okay: def foo():\n '''foobar\nfoo\nbar\n'''
|
|
Okay: class Foo:\n '''foobar\nfoo\nbar\n'''
|
|
Okay: def foo():\n a = '''not\na\ndocstring'''
|
|
Okay: def foo():\n pass\n'''foobar\nfoo\nbar\n d'''
|
|
H403: def foo():\n '''foobar\nfoo\nbar\ndocstring'''
|
|
H403: class Foo:\n '''foobar\nfoo\nbar\ndocstring'''\n\n
|
|
"""
|
|
# if find OP tokens, not a docstring
|
|
ops = [t for t, _, _, _, _ in tokens if t == tokenize.OP]
|
|
if (is_docstring(physical_line, previous_logical) and len(tokens) > 0 and
|
|
len(ops) == 0):
|
|
pos = max(physical_line.find(i) for i in END_DOCSTRING_TRIPLE)
|
|
if physical_line.strip() not in START_DOCSTRING_TRIPLE:
|
|
return (pos, "H403: multi line docstring end on new line")
|
|
|
|
|
|
@flake8ext
|
|
def hacking_docstring_multiline_start(physical_line, previous_logical, tokens):
|
|
r"""Check multi line docstring start with summary.
|
|
|
|
OpenStack HACKING guide recommendation for docstring:
|
|
Docstring should start with A multi line docstring has a one-line summary
|
|
|
|
Okay: '''foobar\nfoo\nbar\n'''
|
|
Okay: def foo():\n a = '''\nnot\na docstring\n'''
|
|
H404: def foo():\n'''\nfoo\nbar\n'''\n\n
|
|
"""
|
|
if is_docstring(physical_line, previous_logical):
|
|
pos = max([physical_line.find(i) for i in START_DOCSTRING_TRIPLE])
|
|
# start of docstring when len(tokens)==0
|
|
if len(tokens) == 0 and pos != -1 and len(physical_line) == pos + 4:
|
|
if physical_line.strip() in START_DOCSTRING_TRIPLE:
|
|
return (pos, "H404: multi line docstring "
|
|
"should start with a summary")
|
|
|
|
|
|
@flake8ext
|
|
def hacking_no_cr(physical_line):
|
|
r"""Check that we only use newlines not carriage returns.
|
|
|
|
Okay: import os\nimport sys
|
|
# pep8 doesn't yet replace \r in strings, will work on an
|
|
# upstream fix
|
|
H601 import os\r\nimport sys
|
|
"""
|
|
#TODO(jogo): This should not be in H6xx, it should be in H9xx
|
|
pos = physical_line.find('\r')
|
|
if pos != -1 and pos == (len(physical_line) - 2):
|
|
return (pos, "H601: Windows style line endings not allowed in code")
|
|
|
|
|
|
FORMAT_RE = re.compile("%(?:"
|
|
"%|" # Ignore plain percents
|
|
"(\(\w+\))?" # mapping key
|
|
"([#0 +-]?" # flag
|
|
"(?:\d+|\*)?" # width
|
|
"(?:\.\d+)?" # precision
|
|
"[hlL]?" # length mod
|
|
"\w))") # type
|
|
|
|
|
|
class LocalizationError(Exception):
|
|
pass
|
|
|
|
|
|
def check_i18n():
|
|
"""Generator that checks token stream for localization errors.
|
|
|
|
Expects tokens to be ``send``ed one by one.
|
|
Raises LocalizationError if some error is found.
|
|
"""
|
|
while True:
|
|
try:
|
|
token_type, text, _, _, line = yield
|
|
except GeneratorExit:
|
|
return
|
|
|
|
if (token_type == tokenize.NAME and text == "_" and
|
|
not line.startswith('def _(msg):')):
|
|
|
|
while True:
|
|
token_type, text, start, _, _ = yield
|
|
if token_type != tokenize.NL:
|
|
break
|
|
if token_type != tokenize.OP or text != "(":
|
|
continue # not a localization call
|
|
|
|
format_string = ''
|
|
while True:
|
|
token_type, text, start, _, _ = yield
|
|
if token_type == tokenize.STRING:
|
|
format_string += eval(text)
|
|
elif token_type == tokenize.NL:
|
|
pass
|
|
else:
|
|
break
|
|
|
|
if not format_string:
|
|
raise LocalizationError(
|
|
start, "H701: Empty localization string")
|
|
if token_type != tokenize.OP:
|
|
raise LocalizationError(
|
|
start, "H701: Invalid localization call")
|
|
if text != ")":
|
|
if text == "%":
|
|
raise LocalizationError(
|
|
start,
|
|
"H702: Formatting operation should be outside"
|
|
" of localization method call")
|
|
elif text == "+":
|
|
raise LocalizationError(
|
|
start,
|
|
"H702: Use bare string concatenation instead of +")
|
|
else:
|
|
raise LocalizationError(
|
|
start, "H702: Argument to _ must be just a string")
|
|
|
|
format_specs = FORMAT_RE.findall(format_string)
|
|
positional_specs = [(key, spec) for key, spec in format_specs
|
|
if not key and spec]
|
|
# not spec means %%, key means %(smth)s
|
|
if len(positional_specs) > 1:
|
|
raise LocalizationError(
|
|
start, "H703: Multiple positional placeholders")
|
|
|
|
|
|
@flake8ext
|
|
def hacking_localization_strings(logical_line, tokens):
|
|
r"""Check localization in line.
|
|
|
|
Okay: _("This is fine")
|
|
Okay: _("This is also fine %s")
|
|
Okay: _("So is this %s, %(foo)s") % {foo: 'foo'}
|
|
H701: _('')
|
|
H702: _("Bob" + " foo")
|
|
H702: _("Bob %s" % foo)
|
|
# H703 check is not quite right, disabled by removing colon
|
|
H703 _("%s %s" % (foo, bar))
|
|
"""
|
|
# TODO(sdague) actually get these tests working
|
|
gen = check_i18n()
|
|
next(gen)
|
|
try:
|
|
map(gen.send, tokens)
|
|
gen.close()
|
|
except LocalizationError as e:
|
|
yield e.args
|
|
|
|
#TODO(jogo) Dict and list objects
|
|
|
|
|
|
@flake8ext
|
|
def hacking_is_not(logical_line):
|
|
r"""Check for use of 'is not' for testing unequal identities.
|
|
|
|
Okay: if x is not y:\n pass
|
|
H901: if not X is Y
|
|
H901: if not X.B is Y
|
|
"""
|
|
split_line = logical_line.split()
|
|
if (len(split_line) == 5 and split_line[0] == 'if' and
|
|
split_line[1] == 'not' and split_line[3] == 'is'):
|
|
yield (logical_line.find('not'), "H901: Use the 'is not' "
|
|
"operator when testing for unequal identities")
|
|
|
|
|
|
@flake8ext
|
|
def hacking_not_in(logical_line):
|
|
r"""Check for use of "not in" for evaluating membership.
|
|
|
|
Okay: if x not in y:\n pass
|
|
Okay: if not (X in Y or X is Z):\n pass
|
|
Okay: if not (X in Y):\n pass
|
|
H902: if not X in Y
|
|
H902: if not X.B in Y
|
|
"""
|
|
split_line = logical_line.split()
|
|
if (len(split_line) == 5 and split_line[0] == 'if' and
|
|
split_line[1] == 'not' and split_line[3] == 'in' and not
|
|
split_line[2].startswith('(')):
|
|
yield (logical_line.find('not'), "H902: Use the 'not in' "
|
|
"operator for collection membership evaluation")
|
|
|
|
|
|
class GlobalCheck(object):
|
|
"""Base class for checks that should be run only once."""
|
|
|
|
name = None
|
|
version = '0.0.1'
|
|
_has_run = set()
|
|
|
|
def __init__(self, tree, *args):
|
|
pass
|
|
|
|
def run(self):
|
|
"""Make run a no-op if run() has been called before.
|
|
|
|
Store in a global registry the list of checks we've run. If we have
|
|
run that one before, just skip doing anything the subsequent times.
|
|
This way, since pep8 is file/line based, we don't wind up re-running
|
|
a check on a git commit message over and over again.
|
|
"""
|
|
if self.name and self.name not in self.__class__._has_run:
|
|
self.__class__._has_run.add(self.name)
|
|
ret = self.run_once()
|
|
if ret is not None:
|
|
yield ret
|
|
|
|
def run_once(self):
|
|
pass
|
|
|
|
|
|
class GitCheck(GlobalCheck):
|
|
"""Base-class for Git related checks."""
|
|
|
|
def _get_commit_title(self):
|
|
if not os.path.exists('.git'):
|
|
return None
|
|
|
|
#Get title of most recent commit
|
|
subp = subprocess.Popen(
|
|
['git', 'log', '--no-merges', '--pretty=%s', '-1'],
|
|
stdout=subprocess.PIPE)
|
|
title = subp.communicate()[0]
|
|
if subp.returncode:
|
|
raise Exception("git log failed with code %s" % subp.returncode)
|
|
return title
|
|
|
|
|
|
class OnceGitCheckCommitTitleBug(GitCheck):
|
|
"""Check git commit messages for bugs.
|
|
|
|
OpenStack HACKING recommends not referencing a bug or blueprint in first
|
|
line. It should provide an accurate description of the change
|
|
H801
|
|
"""
|
|
name = "GitCheckCommitTitleBug"
|
|
|
|
#From https://github.com/openstack/openstack-ci-puppet
|
|
# /blob/master/modules/gerrit/manifests/init.pp#L74
|
|
#Changeid|bug|blueprint
|
|
GIT_REGEX = re.compile(
|
|
r'(I[0-9a-f]{8,40})|'
|
|
'([Bb]ug|[Ll][Pp])[\s\#:]*(\d+)|'
|
|
'([Bb]lue[Pp]rint|[Bb][Pp])[\s\#:]*([A-Za-z0-9\\-]+)')
|
|
|
|
def run_once(self):
|
|
title = self._get_commit_title()
|
|
|
|
#NOTE(jogo) if match regex but over 3 words, acceptable title
|
|
if (title and self.GIT_REGEX.search(title) is not None
|
|
and len(title.split()) <= 3):
|
|
return (1, 0,
|
|
"H801: git commit title ('%s') should provide an accurate "
|
|
"description of the change, not just a reference to a bug "
|
|
"or blueprint" % title.strip(), self.name)
|
|
|
|
|
|
class OnceGitCheckCommitTitleLength(GitCheck):
|
|
"""Check git commit message length.
|
|
|
|
HACKING.rst recommends commit titles 50 chars or less, but enforces
|
|
a 72 character limit
|
|
|
|
H802 Title limited to 72 chars
|
|
"""
|
|
name = "GitCheckCommitTitleLength"
|
|
|
|
def run_once(self):
|
|
title = self._get_commit_title()
|
|
|
|
if title and len(title.decode('utf-8')) > 72:
|
|
return (
|
|
1, 0,
|
|
"H802: git commit title ('%s') should be under 50 chars"
|
|
% title.strip(),
|
|
self.name)
|
|
|
|
|
|
class ProxyChecks(GlobalCheck):
|
|
"""Provide a mechanism for locally defined checks."""
|
|
name = 'ProxyChecker'
|
|
|
|
@classmethod
|
|
def add_options(cls, parser):
|
|
# Abusing this method because of when it gets called
|
|
if not os.path.exists('tox.ini'):
|
|
return
|
|
tox_ini = ConfigParser.RawConfigParser()
|
|
tox_ini.read('tox.ini')
|
|
if not tox_ini.has_section('hacking'):
|
|
return
|
|
|
|
# We're looking for local checks, so we need to include the local
|
|
# dir in the search path
|
|
sys.path.append('.')
|
|
if tox_ini.has_option('hacking', 'local-check'):
|
|
for check_path in set(
|
|
tox_ini.get('hacking', 'local-check').split(",")):
|
|
if check_path.strip():
|
|
checker = d2to1.util.resolve_name(check_path)
|
|
pep8.register_check(checker)
|
|
if tox_ini.has_option('hacking', 'local-check-factory'):
|
|
factory = d2to1.util.resolve_name(
|
|
tox_ini.get('hacking', 'local-check-factory'))
|
|
factory(pep8.register_check)
|
|
sys.path.pop()
|