mirror of
https://github.com/hwchase17/langchain
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ece4b43a81
**Description:** Fixed `type: ignore`'s for mypy for some document_loaders. **Issue:** [Remove "type: ignore" comments #17048 ](https://github.com/langchain-ai/langchain/issues/17048) --------- Co-authored-by: Robby <h0rv@users.noreply.github.com> Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
import ast
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from typing import Any, List, Tuple
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from langchain_community.document_loaders.parsers.language.code_segmenter import (
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CodeSegmenter,
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)
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class PythonSegmenter(CodeSegmenter):
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"""Code segmenter for `Python`."""
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def __init__(self, code: str):
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super().__init__(code)
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self.source_lines = self.code.splitlines()
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def is_valid(self) -> bool:
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try:
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ast.parse(self.code)
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return True
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except SyntaxError:
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return False
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def _extract_code(self, node: Any) -> str:
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start = node.lineno - 1
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end = node.end_lineno
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return "\n".join(self.source_lines[start:end])
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def extract_functions_classes(self) -> List[str]:
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tree = ast.parse(self.code)
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functions_classes = []
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for node in ast.iter_child_nodes(tree):
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if isinstance(node, (ast.FunctionDef, ast.AsyncFunctionDef, ast.ClassDef)):
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functions_classes.append(self._extract_code(node))
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return functions_classes
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def simplify_code(self) -> str:
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tree = ast.parse(self.code)
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simplified_lines = self.source_lines[:]
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indices_to_del: List[Tuple[int, int]] = []
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for node in ast.iter_child_nodes(tree):
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if isinstance(node, (ast.FunctionDef, ast.AsyncFunctionDef, ast.ClassDef)):
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start, end = node.lineno - 1, node.end_lineno
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simplified_lines[start] = f"# Code for: {simplified_lines[start]}"
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assert isinstance(end, int)
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indices_to_del.append((start + 1, end))
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for start, end in reversed(indices_to_del):
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del simplified_lines[start + 0 : end]
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return "\n".join(simplified_lines)
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