update_engine/pylintrc

# Copyright 2016 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

[MASTER]

# Specify a configuration file.
#rcfile=

# Python code to execute, usually for sys.path manipulation such as
# pygtk.require().
#init-hook=

# Profiled execution.
profile=no

# Add files or directories to the ignorelist. They should be base names, not
# paths.
ignore=CVS,.svn,.git,update_metadata_pb2.py

# Pickle collected data for later comparisons.
persistent=yes

# List of plugins (as comma separated values of python modules names) to load,
# usually to register additional checkers.
load-plugins=

# Use multiple processes to speed up Pylint.
jobs=1

# Allow loading of arbitrary C extensions. Extensions are imported into the
# active Python interpreter and may run arbitrary code.
unsafe-load-any-extension=no

# Allow optimization of some AST trees. This will activate a peephole AST
# optimizer, which will apply various small optimizations. For instance, it can
# be used to obtain the result of joining multiple strings with the addition
# operator. Joining a lot of strings can lead to a maximum recursion error in
# Pylint and this flag can prevent that. It has one side effect, the resulting
# AST will be different than the one from reality.
optimize-ast=no


[MESSAGES CONTROL]

# List of checkers and warnings to enable.
enable=old-raise-syntax

# Only show warnings with the listed confidence levels. Leave empty to show
# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED
confidence=

# Enable the message, report, category or checker with the given id(s). You can
# either give multiple identifier separated by comma (,) or put this option
# multiple time. See also the "--disable" option for examples.
#enable=

# Disable the message, report, category or checker with the given id(s). You
# can either give multiple identifiers separated by comma (,) or put this
# option multiple times (only on the command line, not in the configuration
# file where it should appear only once).You can also use "--disable=all" to
# disable everything first and then reenable specific checks. For example, if
# you want to run only the similarities checker, you can use "--disable=all
# --enable=similarities". If you want to run only the classes checker, but have
# no Warning level messages displayed, use"--disable=all --enable=classes
# --disable=W"
# We leave many of the style warnings to judgement/peer review.
disable=
    fixme,
    locally-disabled,
    locally-enabled,
    no-self-use,
    star-args,
    too-few-public-methods,
    too-many-arguments,
    too-many-branches,
    too-many-instance-attributes,
    too-many-lines,
    too-many-locals,
    too-many-public-methods,
    too-many-return-statements,
    too-many-statements,


[REPORTS]

# Set the output format. Available formats are text, parseable, colorized, msvs
# (visual studio) and html. You can also give a reporter class, eg
# mypackage.mymodule.MyReporterClass.
output-format=text

# Put messages in a separate file for each module / package specified on the
# command line instead of printing them on stdout. Reports (if any) will be
# written in a file name "pylint_global.[txt|html]".
files-output=no

# Tells whether to display a full report or only the messages
reports=no

# Python expression which should return a note less than 10 (10 is the highest
# note). You have access to the variables errors warning, statement which
# respectively contain the number of errors / warnings messages and the total
# number of statements analyzed. This is used by the global evaluation report
# (RP0004).
#evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)

# Template used to display messages. This is a python new-style format string
# used to format the message information. See doc for all details
#msg-template=


[SIMILARITIES]

# Minimum lines number of a similarity.
min-similarity-lines=20

# Ignore comments when computing similarities.
ignore-comments=yes

# Ignore docstrings when computing similarities.
ignore-docstrings=yes

# Ignore imports when computing similarities.
ignore-imports=no


[TYPECHECK]

# Tells whether missing members accessed in mixin class should be ignored. A
# mixin class is detected if its name ends with "mixin" (case insensitive).
ignore-mixin-members=yes

# List of module names for which member attributes should not be checked
# (useful for modules/projects where namespaces are manipulated during runtime
# and thus existing member attributes cannot be deduced by static analysis. It
# supports qualified module names, as well as Unix pattern matching.
ignored-modules=update_payload.update_metadata_pb2

# List of classes names for which member attributes should not be checked
# (useful for classes with attributes dynamically set). This supports can work
# with qualified names.
ignored-classes=hashlib,numpy

# List of members which are set dynamically and missed by pylint inference
# system, and so shouldn't trigger E1101 when accessed. Python regular
# expressions are accepted.
generated-members=

# List of decorators that create context managers from functions, such as
# contextlib.contextmanager.
contextmanager-decorators=contextlib.contextmanager,contextlib2.contextmanager


[SPELLING]

# Spelling dictionary name. Available dictionaries: none. To make it working
# install python-enchant package.
spelling-dict=

# List of comma separated words that should not be checked.
spelling-ignore-words=

# A path to a file that contains private dictionary; one word per line.
spelling-private-dict-file=

# Tells whether to store unknown words to indicated private dictionary in
# --spelling-private-dict-file option instead of raising a message.
spelling-store-unknown-words=no


[LOGGING]

# Logging modules to check that the string format arguments are in logging
# function parameter format
logging-modules=logging


[VARIABLES]

# Tells whether we should check for unused import in __init__ files.
init-import=no

# A regular expression matching names used for dummy variables (i.e. not used).
dummy-variables-rgx=^\*{0,2}(_$|unused_|dummy_)

# List of additional names supposed to be defined in builtins. Remember that
# you should avoid to define new builtins when possible.
additional-builtins=

# List of strings which can identify a callback function by name. A callback
# name must start or end with one of those strings.
callbacks=cb_,_cb


[FORMAT]

# Maximum number of characters on a single line.
max-line-length=80

# Allow the body of an if to be on the same line as the test if there is no
# else.
single-line-if-stmt=no

# Regexp for a line that is allowed to be longer than the limit.
# This "ignore" regex is today composed of 4 independent parts:
# (1) Long import lines
# (2) URLs in comments or pydocs. Detecting URLs by regex is a hard problem and
#     no amount of tweaking will make a perfect regex AFAICT. This one is a good
#     compromise.
# (3) Constant string literals at the start of files don't need to be broken
#     across lines. Allowing long paths, streamz and urls to be on a single
#     line. Also requires that the string not be a triplequoted string.
ignore-long-lines=(?x)
  (^\s*(import|from)\s
   |^\s*(\#\ )?<?(https?|ftp):\/\/[^\s\/$.?#].[^\s]*>?$
   |^[a-zA-Z_][a-zA-Z0-9_]*\s*=\s*("[^"]\S+"|'[^']\S+')
   )

# Maximum number of lines in a module
max-module-lines=99999

# String used as indentation unit. This is usually " " (4 spaces) or "\t" (1
# tab).
indent-string='  '

# Number of spaces of indent required inside a hanging  or continued line.
indent-after-paren=4

# Expected format of line ending, e.g. empty (any line ending), LF or CRLF.
expected-line-ending-format=LF

# Make sure : in dicts and trailing commas are checked for whitespace.
no-space-check=


[MISCELLANEOUS]

# List of note tags to take in consideration, separated by a comma.
notes=FIXME,XXX,TODO


[BASIC]

# Required attributes for module, separated by a comma
required-attributes=

# List of builtins function names that should not be used, separated by a comma
bad-functions=map,filter,input,apply,reduce

# Good variable names which should always be accepted, separated by a comma
good-names=i,j,k,ex,x,_,main

# Bad variable names which should always be refused, separated by a comma
bad-names=foo,bar,baz,toto,tutu,tata

# Colon-delimited sets of names that determine each other's naming style when
# the name regexes allow several styles.
name-group=

# Include a hint for the correct naming format with invalid-name
include-naming-hint=no

# Regular expression which should only match correct function names.
# 'camel_case' and 'snake_case' group names are used for consistency of naming
# styles across functions and methods.
function-rgx=^(?:(?P<camel_case>_?[A-Z][a-zA-Z0-9]*)|(?P<snake_case>_?[a-z][a-z0-9_]*))$

# Naming hint for function names
function-name-hint=[a-z_][a-z0-9_]{2,30}$

# Regular expression which should only match correct variable names
variable-rgx=^[a-z][a-z0-9_]*$

# Naming hint for variable names
variable-name-hint=[a-z_][a-z0-9_]{2,30}$

# Regular expression which should only match correct module level names
const-rgx=^(_?[A-Z][A-Z0-9_]*|__[a-z0-9_]+__|_?[a-z][a-z0-9_]*)$

# Naming hint for constant names
const-name-hint=(([A-Z_][A-Z0-9_]*)|(__.*__))$

# Regular expression which should only match correct instance attribute names
attr-rgx=^_{0,2}[a-z][a-z0-9_]*$

# Naming hint for attribute names
attr-name-hint=[a-z_][a-z0-9_]{2,30}$

# Regular expression which should only match correct argument names
argument-rgx=^[a-z][a-z0-9_]*$

# Naming hint for argument names
argument-name-hint=[a-z_][a-z0-9_]{2,30}$

# Regular expression which should only match correct class attribute
class-attribute-rgx=^(_?[A-Z][A-Z0-9_]*|__[a-z0-9_]+__|_?[a-z][a-z0-9_]*)$

# Naming hint for class attribute names
class-attribute-name-hint=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$

# Regular expression which should only match correct list comprehension /
# generator expression variable names
inlinevar-rgx=^[a-z][a-z0-9_]*$

# Naming hint for inline iteration names
inlinevar-name-hint=[A-Za-z_][A-Za-z0-9_]*$

# Regular expression which should only match correct class names
class-rgx=^_?[A-Z][a-zA-Z0-9]*$

# Naming hint for class names
class-name-hint=[A-Z_][a-zA-Z0-9]+$

# Regular expression which should only match correct module names. The
# leading underscore is sanctioned for private modules by Google's style
# guide.
module-rgx=^(_?[a-z][a-z0-9_]*)|__init__$

# Naming hint for module names
module-name-hint=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$

# Regular expression which should only match correct method names.
# 'camel_case' and 'snake_case' group names are used for consistency of naming
# styles across functions and methods. 'exempt' indicates a name which is
# consistent with all naming styles.
method-rgx=^(?:(?P<exempt>__[a-z0-9_]+__|next)|(?P<camel_case>_{0,2}[A-Z][a-zA-Z0-9]*)|(?P<snake_case>_{0,2}[a-z][a-z0-9_]*))$

# Naming hint for method names
method-name-hint=[a-z_][a-z0-9_]{2,30}$

# Regular expression which should only match function or class names that do
# not require a docstring.
no-docstring-rgx=(__.*__|main)

# Minimum line length for functions/classes that require docstrings, shorter
# ones are exempt.
docstring-min-length=10

# List of decorators that define properties, such as abc.abstractproperty.
property-classes=abc.abstractproperty


[ELIF]

# Maximum number of nested blocks for function / method body
max-nested-blocks=5


[DESIGN]

# Maximum number of arguments for function / method
max-args=5

# Argument names that match this expression will be ignored. Default to name
# with leading underscore
ignored-argument-names=_.*

# Maximum number of locals for function / method body
max-locals=15

# Maximum number of return / yield for function / method body
max-returns=6

# Maximum number of branch for function / method body
max-branches=12

# Maximum number of statements in function / method body
max-statements=50

# Maximum number of parents for a class (see R0901).
max-parents=10

# Maximum number of attributes for a class (see R0902).
max-attributes=7

# Minimum number of public methods for a class (see R0903).
min-public-methods=2

# Maximum number of public methods for a class (see R0904).
max-public-methods=20

# Maximum number of boolean expressions in a if statement
max-bool-expr=5


[CLASSES]

# List of method names used to declare (i.e. assign) instance attributes.
defining-attr-methods=__init__,__new__,setUp

# List of valid names for the first argument in a class method.
valid-classmethod-first-arg=cls

# List of valid names for the first argument in a metaclass class method.
valid-metaclass-classmethod-first-arg=mcs

# List of member names, which should be excluded from the protected access
# warning.
exclude-protected=_asdict,_fields,_replace,_source,_make


[IMPORTS]

# Deprecated modules which should not be used, separated by a comma
deprecated-modules=regsub,TERMIOS,Bastion,rexec,optparse

# Create a graph of every (i.e. internal and external) dependencies in the
# given file (report RP0402 must not be disabled)
import-graph=

# Create a graph of external dependencies in the given file (report RP0402 must
# not be disabled)
ext-import-graph=

# Create a graph of internal dependencies in the given file (report RP0402 must
# not be disabled)
int-import-graph=


[EXCEPTIONS]

# Exceptions that will emit a warning when being caught. Defaults to
# "Exception"
overgeneral-exceptions=StandardError,Exception,BaseException