37 lines
1.3 KiB
Python
37 lines
1.3 KiB
Python
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from typing import Union, Optional
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from mypy.errors import Errors
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from mypy.options import Options
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from mypy.nodes import MypyFile
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def parse(source: Union[str, bytes],
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fnam: str,
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module: Optional[str],
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errors: Optional[Errors],
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options: Options) -> MypyFile:
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"""Parse a source file, without doing any semantic analysis.
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Return the parse tree. If errors is not provided, raise ParseError
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on failure. Otherwise, use the errors object to report parse errors.
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The python_version (major, minor) option determines the Python syntax variant.
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"""
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is_stub_file = fnam.endswith('.pyi')
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if options.transform_source is not None:
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source = options.transform_source(source)
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if options.python_version[0] >= 3 or is_stub_file:
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import mypy.fastparse
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return mypy.fastparse.parse(source,
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fnam=fnam,
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module=module,
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errors=errors,
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options=options)
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else:
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import mypy.fastparse2
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return mypy.fastparse2.parse(source,
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fnam=fnam,
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module=module,
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errors=errors,
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options=options)
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