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authorbrenda-br2023-03-02 15:49:11 +0530
committerbrenda-br2023-03-02 15:49:11 +0530
commit7af3526e105cc330422f8742ec5edec1c4a0a98f (patch)
treec00e283eaa3f67c64f66c828f518bb74abe55752 /src/main/python/venv/Lib/site-packages/pylint/epylint.py
parent78624489cbff516cc4d15b0df738c6c2fe4f8a8d (diff)
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Restructuring Finalized for App Bundling
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-# -*- coding: utf-8;
-# mode: python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4
-# -*- vim:fenc=utf-8:ft=python:et:sw=4:ts=4:sts=4
-
-# Copyright (c) 2008-2014 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr>
-# Copyright (c) 2014 Jakob Normark <jakobnormark@gmail.com>
-# Copyright (c) 2014 Brett Cannon <brett@python.org>
-# Copyright (c) 2014 Manuel Vázquez Acosta <mva.led@gmail.com>
-# Copyright (c) 2014 Derek Harland <derek.harland@finq.co.nz>
-# Copyright (c) 2014 Arun Persaud <arun@nubati.net>
-# Copyright (c) 2015-2017 Claudiu Popa <pcmanticore@gmail.com>
-# Copyright (c) 2015 Mihai Balint <balint.mihai@gmail.com>
-# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro>
-# Copyright (c) 2017 hippo91 <guillaume.peillex@gmail.com>
-# Copyright (c) 2017 Daniela Plascencia <daplascen@gmail.com>
-# Copyright (c) 2018 Sushobhit <31987769+sushobhit27@users.noreply.github.com>
-# Copyright (c) 2018 Ryan McGuire <ryan@enigmacurry.com>
-# Copyright (c) 2018 thernstig <30827238+thernstig@users.noreply.github.com>
-# Copyright (c) 2018 Radostin Stoyanov <rst0git@users.noreply.github.com>
-
-# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
-# For details: https://github.com/PyCQA/pylint/blob/master/COPYING
-
-"""Emacs and Flymake compatible Pylint.
-
-This script is for integration with emacs and is compatible with flymake mode.
-
-epylint walks out of python packages before invoking pylint. This avoids
-reporting import errors that occur when a module within a package uses the
-absolute import path to get another module within this package.
-
-For example:
- - Suppose a package is structured as
-
- a/__init__.py
- a/b/x.py
- a/c/y.py
-
- - Then if y.py imports x as "from a.b import x" the following produces pylint
- errors
-
- cd a/c; pylint y.py
-
- - The following obviously doesn't
-
- pylint a/c/y.py
-
- - As this script will be invoked by emacs within the directory of the file
- we are checking we need to go out of it to avoid these false positives.
-
-
-You may also use py_run to run pylint with desired options and get back (or not)
-its output.
-"""
-import os
-import os.path as osp
-import shlex
-import sys
-from io import StringIO
-from subprocess import PIPE, Popen
-
-
-def _get_env():
- """Extracts the environment PYTHONPATH and appends the current sys.path to
- those."""
- env = dict(os.environ)
- env["PYTHONPATH"] = os.pathsep.join(sys.path)
- return env
-
-
-def lint(filename, options=()):
- """Pylint the given file.
-
- When run from emacs we will be in the directory of a file, and passed its
- filename. If this file is part of a package and is trying to import other
- modules from within its own package or another package rooted in a directory
- below it, pylint will classify it as a failed import.
-
- To get around this, we traverse down the directory tree to find the root of
- the package this module is in. We then invoke pylint from this directory.
-
- Finally, we must correct the filenames in the output generated by pylint so
- Emacs doesn't become confused (it will expect just the original filename,
- while pylint may extend it with extra directories if we've traversed down
- the tree)
- """
- # traverse downwards until we are out of a python package
- full_path = osp.abspath(filename)
- parent_path = osp.dirname(full_path)
- child_path = osp.basename(full_path)
-
- while parent_path != "/" and osp.exists(osp.join(parent_path, "__init__.py")):
- child_path = osp.join(osp.basename(parent_path), child_path)
- parent_path = osp.dirname(parent_path)
-
- # Start pylint
- # Ensure we use the python and pylint associated with the running epylint
- run_cmd = "import sys; from pylint.lint import Run; Run(sys.argv[1:])"
- cmd = (
- [sys.executable, "-c", run_cmd]
- + [
- "--msg-template",
- "{path}:{line}: {category} ({msg_id}, {symbol}, {obj}) {msg}",
- "-r",
- "n",
- child_path,
- ]
- + list(options)
- )
- process = Popen(
- cmd, stdout=PIPE, cwd=parent_path, env=_get_env(), universal_newlines=True
- )
-
- for line in process.stdout:
- # remove pylintrc warning
- if line.startswith("No config file found"):
- continue
-
- # modify the file name thats output to reverse the path traversal we made
- parts = line.split(":")
- if parts and parts[0] == child_path:
- line = ":".join([filename] + parts[1:])
- print(line, end=" ")
-
- process.wait()
- return process.returncode
-
-
-def py_run(command_options="", return_std=False, stdout=None, stderr=None):
- """Run pylint from python
-
- ``command_options`` is a string containing ``pylint`` command line options;
- ``return_std`` (boolean) indicates return of created standard output
- and error (see below);
- ``stdout`` and ``stderr`` are 'file-like' objects in which standard output
- could be written.
-
- Calling agent is responsible for stdout/err management (creation, close).
- Default standard output and error are those from sys,
- or standalone ones (``subprocess.PIPE``) are used
- if they are not set and ``return_std``.
-
- If ``return_std`` is set to ``True``, this function returns a 2-uple
- containing standard output and error related to created process,
- as follows: ``(stdout, stderr)``.
-
- To silently run Pylint on a module, and get its standard output and error:
- >>> (pylint_stdout, pylint_stderr) = py_run( 'module_name.py', True)
- """
- # Detect if we use Python as executable or not, else default to `python`
- executable = sys.executable if "python" in sys.executable else "python"
-
- # Create command line to call pylint
- epylint_part = [executable, "-c", "from pylint import epylint;epylint.Run()"]
- options = shlex.split(command_options, posix=not sys.platform.startswith("win"))
- cli = epylint_part + options
-
- # Providing standard output and/or error if not set
- if stdout is None:
- if return_std:
- stdout = PIPE
- else:
- stdout = sys.stdout
- if stderr is None:
- if return_std:
- stderr = PIPE
- else:
- stderr = sys.stderr
- # Call pylint in a subprocess
- process = Popen(
- cli,
- shell=False,
- stdout=stdout,
- stderr=stderr,
- env=_get_env(),
- universal_newlines=True,
- )
- proc_stdout, proc_stderr = process.communicate()
- # Return standard output and error
- if return_std:
- return StringIO(proc_stdout), StringIO(proc_stderr)
- return None
-
-
-def Run():
- if len(sys.argv) == 1:
- print("Usage: %s <filename> [options]" % sys.argv[0])
- sys.exit(1)
- elif not osp.exists(sys.argv[1]):
- print("%s does not exist" % sys.argv[1])
- sys.exit(1)
- else:
- sys.exit(lint(sys.argv[1], sys.argv[2:]))
-
-
-if __name__ == "__main__":
- Run()