tptimer/env/lib/python2.7/site-packages/astroid/brain/brain_subprocess.py

95 lines
3.2 KiB
Python

# Copyright (c) 2016 Claudiu Popa <pcmanticore@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
PY33 = sys.version_info >= (3, 3)
PY36 = sys.version_info >= (3, 6)
def _subprocess_transform():
if six.PY3:
communicate = (bytes('string', 'ascii'), bytes('string', 'ascii'))
communicate_signature = 'def communicate(self, input=None, timeout=None)'
if 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 PY33:
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 = ''
code = textwrap.dedent('''
class Popen(object):
returncode = pid = 0
stdin = stdout = stderr = file()
%(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})
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)