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# Copyright (c) 2016-2017 Claudiu Popa <pcmanticore@gmail.com>
# Copyright (c) 2017 Hugo <hugovk@users.noreply.github.com>
# Copyright (c) 2018 Bryce Guinta <bryce.paul.guinta@gmail.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/master/COPYING.LESSER
import sys
import textwrap
import six
import astroid
PY37 = sys.version_info >= (3, 7)
PY36 = sys.version_info >= (3, 6)
PY34 = sys.version_info >= (3, 4)
PY33 = sys.version_info >= (3, 3)
def _subprocess_transform():
if six.PY3:
communicate = (bytes("string", "ascii"), bytes("string", "ascii"))
communicate_signature = "def communicate(self, input=None, timeout=None)"
if PY37:
init = """
def __init__(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, text=None):
pass
"""
elif PY36:
init = """
def __init__(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):
pass
"""
else:
init = """
def __init__(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=()):
pass
"""
else:
communicate = ("string", "string")
communicate_signature = "def communicate(self, input=None)"
init = """
def __init__(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):
pass
"""
if PY34:
wait_signature = "def wait(self, timeout=None)"
else:
wait_signature = "def wait(self)"
if six.PY3:
ctx_manager = """
def __enter__(self): return self
def __exit__(self, *args): pass
"""
else:
ctx_manager = ""
py3_args = ""
if PY33:
py3_args = "args = []"
code = textwrap.dedent(
"""
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
"""
% {
"communicate": communicate,
"communicate_signature": communicate_signature,
"wait_signature": wait_signature,
"ctx_manager": ctx_manager,
"py3_args": py3_args,
}
)
init_lines = textwrap.dedent(init).splitlines()
indented_init = "\n".join(" " * 4 + line for line in init_lines)
code += indented_init
return astroid.parse(code)
astroid.register_module_extender(astroid.MANAGER, "subprocess", _subprocess_transform)
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