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# Copyright (c) 2016-2020 Claudiu Popa <pcmanticore@gmail.com>
# Copyright (c) 2017 Hugo <hugovk@users.noreply.github.com>
# Copyright (c) 2018 Peter Talley <peterctalley@gmail.com>
# Copyright (c) 2018 Bryce Guinta <bryce.paul.guinta@gmail.com>
# Copyright (c) 2019 Hugo van Kemenade <hugovk@users.noreply.github.com>
# Copyright (c) 2020-2021 hippo91 <guillaume.peillex@gmail.com>
# Copyright (c) 2020 Peter Pentchev <roam@ringlet.net>
# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com>
# Copyright (c) 2021 Pierre Sassoulas <pierre.sassoulas@gmail.com>
# Copyright (c) 2021 Damien Baty <damien@damienbaty.com>
# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE
import textwrap
from astroid.brain.helpers import register_module_extender
from astroid.builder import parse
from astroid.const import PY37_PLUS, PY39_PLUS
from astroid.manager import AstroidManager
def _subprocess_transform():
communicate = (bytes("string", "ascii"), bytes("string", "ascii"))
communicate_signature = "def communicate(self, input=None, timeout=None)"
args = """\
self, args, bufsize=0, executable=None, stdin=None, stdout=None, stderr=None,
preexec_fn=None, close_fds=False, shell=False, cwd=None, env=None,
universal_newlines=False, startupinfo=None, creationflags=0, restore_signals=True,
start_new_session=False, pass_fds=(), *, encoding=None, errors=None"""
if PY37_PLUS:
args += ", text=None"
init = f"""
def __init__({args}):
pass"""
wait_signature = "def wait(self, timeout=None)"
ctx_manager = """
def __enter__(self): return self
def __exit__(self, *args): pass
"""
py3_args = "args = []"
if PY37_PLUS:
check_output_signature = """
check_output(
args, *,
stdin=None,
stderr=None,
shell=False,
cwd=None,
encoding=None,
errors=None,
universal_newlines=False,
timeout=None,
env=None,
text=None,
restore_signals=True,
preexec_fn=None,
pass_fds=(),
input=None,
bufsize=0,
executable=None,
close_fds=False,
startupinfo=None,
creationflags=0,
start_new_session=False
):
""".strip()
else:
check_output_signature = """
check_output(
args, *,
stdin=None,
stderr=None,
shell=False,
cwd=None,
encoding=None,
errors=None,
universal_newlines=False,
timeout=None,
env=None,
restore_signals=True,
preexec_fn=None,
pass_fds=(),
input=None,
bufsize=0,
executable=None,
close_fds=False,
startupinfo=None,
creationflags=0,
start_new_session=False
):
""".strip()
code = textwrap.dedent(
"""
def %(check_output_signature)s
if universal_newlines:
return ""
return b""
class Popen(object):
returncode = pid = 0
stdin = stdout = stderr = file()
%(py3_args)s
%(communicate_signature)s:
return %(communicate)r
%(wait_signature)s:
return self.returncode
def poll(self):
return self.returncode
def send_signal(self, signal):
pass
def terminate(self):
pass
def kill(self):
pass
%(ctx_manager)s
"""
% {
"check_output_signature": check_output_signature,
"communicate": communicate,
"communicate_signature": communicate_signature,
"wait_signature": wait_signature,
"ctx_manager": ctx_manager,
"py3_args": py3_args,
}
)
if PY39_PLUS:
code += """
@classmethod
def __class_getitem__(cls, item):
pass
"""
init_lines = textwrap.dedent(init).splitlines()
indented_init = "\n".join(" " * 4 + line for line in init_lines)
code += indented_init
return parse(code)
register_module_extender(AstroidManager(), "subprocess", _subprocess_transform)
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