107 lines
3 KiB
Python
107 lines
3 KiB
Python
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# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
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# For details: https://github.com/pylint-dev/astroid/blob/main/LICENSE
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# Copyright (c) https://github.com/pylint-dev/astroid/blob/main/CONTRIBUTORS.txt
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import textwrap
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from astroid.brain.helpers import register_module_extender
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from astroid.builder import parse
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from astroid.const import PY39_PLUS, PY310_PLUS, PY311_PLUS
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from astroid.manager import AstroidManager
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def _subprocess_transform():
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communicate = (bytes("string", "ascii"), bytes("string", "ascii"))
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communicate_signature = "def communicate(self, input=None, timeout=None)"
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args = """\
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self, args, bufsize=-1, executable=None, stdin=None, stdout=None, stderr=None,
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preexec_fn=None, close_fds=True, shell=False, cwd=None, env=None,
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universal_newlines=None, startupinfo=None, creationflags=0, restore_signals=True,
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start_new_session=False, pass_fds=(), *, encoding=None, errors=None, text=None"""
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if PY39_PLUS:
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args += ", user=None, group=None, extra_groups=None, umask=-1"
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if PY310_PLUS:
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args += ", pipesize=-1"
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if PY311_PLUS:
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args += ", process_group=None"
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init = f"""
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def __init__({args}):
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pass"""
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wait_signature = "def wait(self, timeout=None)"
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ctx_manager = """
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def __enter__(self): return self
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def __exit__(self, *args): pass
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"""
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py3_args = "args = []"
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check_output_signature = """
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check_output(
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args, *,
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stdin=None,
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stderr=None,
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shell=False,
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cwd=None,
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encoding=None,
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errors=None,
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universal_newlines=False,
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timeout=None,
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env=None,
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text=None,
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restore_signals=True,
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preexec_fn=None,
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pass_fds=(),
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input=None,
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bufsize=0,
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executable=None,
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close_fds=False,
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startupinfo=None,
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creationflags=0,
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start_new_session=False
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):
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""".strip()
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code = textwrap.dedent(
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f"""
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def {check_output_signature}
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if universal_newlines:
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return ""
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return b""
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class Popen(object):
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returncode = pid = 0
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stdin = stdout = stderr = file()
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{py3_args}
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{communicate_signature}:
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return {communicate!r}
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{wait_signature}:
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return self.returncode
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def poll(self):
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return self.returncode
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def send_signal(self, signal):
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pass
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def terminate(self):
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pass
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def kill(self):
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pass
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{ctx_manager}
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"""
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)
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if PY39_PLUS:
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code += """
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@classmethod
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def __class_getitem__(cls, item):
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pass
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"""
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init_lines = textwrap.dedent(init).splitlines()
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indented_init = "\n".join(" " * 4 + line for line in init_lines)
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code += indented_init
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return parse(code)
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def register(manager: AstroidManager) -> None:
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register_module_extender(manager, "subprocess", _subprocess_transform)
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