mirror of
https://github.com/PiBrewing/craftbeerpi4.git
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435 lines
17 KiB
Python
435 lines
17 KiB
Python
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# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# For details: https://github.com/PyCQA/pylint/blob/master/COPYING
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import os
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import sys
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import warnings
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from pylint import __pkginfo__, config, extensions, interfaces
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from pylint.constants import full_version
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from pylint.lint.pylinter import PyLinter
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from pylint.lint.utils import ArgumentPreprocessingError, preprocess_options
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from pylint.utils import utils
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try:
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import multiprocessing
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except ImportError:
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multiprocessing = None # type: ignore
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def _cpu_count() -> int:
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"""Use sched_affinity if available for virtualized or containerized environments."""
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sched_getaffinity = getattr(os, "sched_getaffinity", None)
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# pylint: disable=not-callable,using-constant-test
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if sched_getaffinity:
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return len(sched_getaffinity(0))
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if multiprocessing:
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return multiprocessing.cpu_count()
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return 1
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def cb_list_extensions(option, optname, value, parser):
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"""List all the extensions under pylint.extensions"""
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for filename in os.listdir(os.path.dirname(extensions.__file__)):
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if filename.endswith(".py") and not filename.startswith("_"):
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extension_name, _, _ = filename.partition(".")
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print("pylint.extensions.{}".format(extension_name))
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sys.exit(0)
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def cb_list_confidence_levels(option, optname, value, parser):
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for level in interfaces.CONFIDENCE_LEVELS:
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print("%-18s: %s" % level)
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sys.exit(0)
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def cb_init_hook(optname, value):
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"""exec arbitrary code to set sys.path for instance"""
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exec(value) # pylint: disable=exec-used
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UNUSED_PARAM_SENTINEL = object()
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class Run:
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"""helper class to use as main for pylint :
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run(*sys.argv[1:])
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"""
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LinterClass = PyLinter
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option_groups = (
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(
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"Commands",
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"Options which are actually commands. Options in this \
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group are mutually exclusive.",
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),
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)
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@staticmethod
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def _return_one(*args): # pylint: disable=unused-argument
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return 1
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def __init__(
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self, args, reporter=None, exit=True, do_exit=UNUSED_PARAM_SENTINEL,
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): # pylint: disable=redefined-builtin
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self._rcfile = None
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self._version_asked = False
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self._plugins = []
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self.verbose = None
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try:
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preprocess_options(
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args,
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{
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# option: (callback, takearg)
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"version": (self.version_asked, False),
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"init-hook": (cb_init_hook, True),
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"rcfile": (self.cb_set_rcfile, True),
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"load-plugins": (self.cb_add_plugins, True),
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"verbose": (self.cb_verbose_mode, False),
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},
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)
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except ArgumentPreprocessingError as ex:
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print(ex, file=sys.stderr)
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sys.exit(32)
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self.linter = linter = self.LinterClass(
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(
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(
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"rcfile",
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{
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"action": "callback",
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"callback": Run._return_one,
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"group": "Commands",
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"type": "string",
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"metavar": "<file>",
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"help": "Specify a configuration file to load.",
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},
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),
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(
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"init-hook",
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{
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"action": "callback",
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"callback": Run._return_one,
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"type": "string",
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"metavar": "<code>",
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"level": 1,
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"help": "Python code to execute, usually for sys.path "
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"manipulation such as pygtk.require().",
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},
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),
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(
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"help-msg",
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{
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"action": "callback",
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"type": "string",
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"metavar": "<msg-id>",
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"callback": self.cb_help_message,
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"group": "Commands",
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"help": "Display a help message for the given message id and "
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"exit. The value may be a comma separated list of message ids.",
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},
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),
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(
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"list-msgs",
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{
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"action": "callback",
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"metavar": "<msg-id>",
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"callback": self.cb_list_messages,
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"group": "Commands",
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"level": 1,
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"help": "Generate pylint's messages.",
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},
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),
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(
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"list-msgs-enabled",
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{
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"action": "callback",
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"metavar": "<msg-id>",
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"callback": self.cb_list_messages_enabled,
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"group": "Commands",
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"level": 1,
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"help": "Display a list of what messages are enabled "
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"and disabled with the given configuration.",
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},
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),
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(
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"list-groups",
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{
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"action": "callback",
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"metavar": "<msg-id>",
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"callback": self.cb_list_groups,
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"group": "Commands",
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"level": 1,
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"help": "List pylint's message groups.",
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},
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),
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(
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"list-conf-levels",
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{
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"action": "callback",
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"callback": cb_list_confidence_levels,
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"group": "Commands",
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"level": 1,
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"help": "Generate pylint's confidence levels.",
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},
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),
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(
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"list-extensions",
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{
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"action": "callback",
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"callback": cb_list_extensions,
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"group": "Commands",
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"level": 1,
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"help": "List available extensions.",
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},
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),
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(
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"full-documentation",
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{
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"action": "callback",
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"metavar": "<msg-id>",
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"callback": self.cb_full_documentation,
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"group": "Commands",
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"level": 1,
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"help": "Generate pylint's full documentation.",
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},
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),
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(
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"generate-rcfile",
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{
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"action": "callback",
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"callback": self.cb_generate_config,
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"group": "Commands",
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"help": "Generate a sample configuration file according to "
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"the current configuration. You can put other options "
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"before this one to get them in the generated "
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"configuration.",
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},
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),
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(
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"generate-man",
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{
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"action": "callback",
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"callback": self.cb_generate_manpage,
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"group": "Commands",
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"help": "Generate pylint's man page.",
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"hide": True,
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},
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),
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(
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"errors-only",
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{
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"action": "callback",
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"callback": self.cb_error_mode,
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"short": "E",
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"help": "In error mode, checkers without error messages are "
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"disabled and for others, only the ERROR messages are "
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"displayed, and no reports are done by default.",
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},
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),
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(
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"py3k",
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{
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"action": "callback",
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"callback": self.cb_python3_porting_mode,
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"help": "In Python 3 porting mode, all checkers will be "
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"disabled and only messages emitted by the porting "
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"checker will be displayed.",
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},
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),
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(
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"verbose",
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{
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"action": "callback",
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"callback": self.cb_verbose_mode,
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"short": "v",
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"help": "In verbose mode, extra non-checker-related info "
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"will be displayed.",
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},
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),
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),
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option_groups=self.option_groups,
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pylintrc=self._rcfile,
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)
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# register standard checkers
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if self._version_asked:
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print(full_version)
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sys.exit(0)
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linter.load_default_plugins()
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# load command line plugins
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linter.load_plugin_modules(self._plugins)
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# add some help section
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linter.add_help_section("Environment variables", config.ENV_HELP, level=1)
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linter.add_help_section(
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"Output",
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"Using the default text output, the message format is : \n"
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" \n"
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" MESSAGE_TYPE: LINE_NUM:[OBJECT:] MESSAGE \n"
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" \n"
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"There are 5 kind of message types : \n"
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" * (C) convention, for programming standard violation \n"
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" * (R) refactor, for bad code smell \n"
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" * (W) warning, for python specific problems \n"
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" * (E) error, for probable bugs in the code \n"
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" * (F) fatal, if an error occurred which prevented pylint from doing further\n"
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"processing.\n",
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level=1,
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)
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linter.add_help_section(
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"Output status code",
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"Pylint should leave with following status code: \n"
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" * 0 if everything went fine \n"
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" * 1 if a fatal message was issued \n"
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" * 2 if an error message was issued \n"
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" * 4 if a warning message was issued \n"
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" * 8 if a refactor message was issued \n"
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" * 16 if a convention message was issued \n"
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" * 32 on usage error \n"
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" \n"
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"status 1 to 16 will be bit-ORed so you can know which different categories has\n"
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"been issued by analysing pylint output status code\n",
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level=1,
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)
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# read configuration
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linter.disable("I")
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linter.enable("c-extension-no-member")
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linter.read_config_file(verbose=self.verbose)
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config_parser = linter.cfgfile_parser
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# run init hook, if present, before loading plugins
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if config_parser.has_option("MASTER", "init-hook"):
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cb_init_hook(
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"init-hook", utils._unquote(config_parser.get("MASTER", "init-hook"))
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)
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# is there some additional plugins in the file configuration, in
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if config_parser.has_option("MASTER", "load-plugins"):
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plugins = utils._splitstrip(config_parser.get("MASTER", "load-plugins"))
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linter.load_plugin_modules(plugins)
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# now we can load file config and command line, plugins (which can
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# provide options) have been registered
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linter.load_config_file()
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if reporter:
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# if a custom reporter is provided as argument, it may be overridden
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# by file parameters, so re-set it here, but before command line
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# parsing so it's still overrideable by command line option
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linter.set_reporter(reporter)
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try:
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args = linter.load_command_line_configuration(args)
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except SystemExit as exc:
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if exc.code == 2: # bad options
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exc.code = 32
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raise
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if not args:
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print(linter.help())
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sys.exit(32)
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if linter.config.jobs < 0:
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print(
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"Jobs number (%d) should be greater than or equal to 0"
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% linter.config.jobs,
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file=sys.stderr,
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)
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sys.exit(32)
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if linter.config.jobs > 1 or linter.config.jobs == 0:
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if multiprocessing is None:
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print(
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"Multiprocessing library is missing, " "fallback to single process",
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file=sys.stderr,
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)
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linter.set_option("jobs", 1)
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elif linter.config.jobs == 0:
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linter.config.jobs = _cpu_count()
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# We have loaded configuration from config file and command line. Now, we can
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# load plugin specific configuration.
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linter.load_plugin_configuration()
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linter.check(args)
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score_value = linter.generate_reports()
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if do_exit is not UNUSED_PARAM_SENTINEL:
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warnings.warn(
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"do_exit is deprecated and it is going to be removed in a future version.",
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DeprecationWarning,
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)
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exit = do_exit
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if exit:
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if linter.config.exit_zero:
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sys.exit(0)
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else:
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if score_value and score_value > linter.config.fail_under:
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sys.exit(0)
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sys.exit(self.linter.msg_status)
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def version_asked(self, _, __):
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"""callback for version (i.e. before option parsing)"""
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self._version_asked = True
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def cb_set_rcfile(self, name, value):
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"""callback for option preprocessing (i.e. before option parsing)"""
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self._rcfile = value
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def cb_add_plugins(self, name, value):
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"""callback for option preprocessing (i.e. before option parsing)"""
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self._plugins.extend(utils._splitstrip(value))
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def cb_error_mode(self, *args, **kwargs):
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"""error mode:
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* disable all but error messages
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* disable the 'miscellaneous' checker which can be safely deactivated in
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debug
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* disable reports
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* do not save execution information
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"""
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self.linter.error_mode()
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||
|
|
def cb_generate_config(self, *args, **kwargs):
|
||
|
|
"""optik callback for sample config file generation"""
|
||
|
|
self.linter.generate_config(skipsections=("COMMANDS",))
|
||
|
|
sys.exit(0)
|
||
|
|
|
||
|
|
def cb_generate_manpage(self, *args, **kwargs):
|
||
|
|
"""optik callback for sample config file generation"""
|
||
|
|
self.linter.generate_manpage(__pkginfo__)
|
||
|
|
sys.exit(0)
|
||
|
|
|
||
|
|
def cb_help_message(self, option, optname, value, parser):
|
||
|
|
"""optik callback for printing some help about a particular message"""
|
||
|
|
self.linter.msgs_store.help_message(utils._splitstrip(value))
|
||
|
|
sys.exit(0)
|
||
|
|
|
||
|
|
def cb_full_documentation(self, option, optname, value, parser):
|
||
|
|
"""optik callback for printing full documentation"""
|
||
|
|
self.linter.print_full_documentation()
|
||
|
|
sys.exit(0)
|
||
|
|
|
||
|
|
def cb_list_messages(self, option, optname, value, parser):
|
||
|
|
"""optik callback for printing available messages"""
|
||
|
|
self.linter.msgs_store.list_messages()
|
||
|
|
sys.exit(0)
|
||
|
|
|
||
|
|
def cb_list_messages_enabled(self, option, optname, value, parser):
|
||
|
|
"""optik callback for printing available messages"""
|
||
|
|
self.linter.list_messages_enabled()
|
||
|
|
sys.exit(0)
|
||
|
|
|
||
|
|
def cb_list_groups(self, *args, **kwargs):
|
||
|
|
"""List all the check groups that pylint knows about
|
||
|
|
|
||
|
|
These should be useful to know what check groups someone can disable
|
||
|
|
or enable.
|
||
|
|
"""
|
||
|
|
for check in self.linter.get_checker_names():
|
||
|
|
print(check)
|
||
|
|
sys.exit(0)
|
||
|
|
|
||
|
|
def cb_python3_porting_mode(self, *args, **kwargs):
|
||
|
|
"""Activate only the python3 porting checker."""
|
||
|
|
self.linter.python3_porting_mode()
|
||
|
|
|
||
|
|
def cb_verbose_mode(self, *args, **kwargs):
|
||
|
|
self.verbose = True
|