64 lines
2.5 KiB
Python
64 lines
2.5 KiB
Python
from __future__ import annotations
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import ast
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import sys
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import re
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def transform_file(file_path: str) -> None:
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"""Refactors App._render_xxx methods to module-level functions."""
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with open(file_path, "r", encoding="utf-8") as f:
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lines = f.read().splitlines()
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tree = ast.parse("\n".join(lines))
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app_class = next((n for n in tree.body if isinstance(n, ast.ClassDef) and n.name == "App"), None)
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if not app_class: return
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render_methods = [
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m for m in app_class.body
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if isinstance(m, ast.FunctionDef) and m.name.startswith("_render_") and m.name != "_render_window_if_open"
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]
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render_names = {m.name for m in render_methods}
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render_methods.sort(key=lambda x: x.lineno, reverse=True)
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extracted = []
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for m in render_methods:
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s_idx = m.lineno - 1
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e_idx = m.end_lineno
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if m.decorator_list: s_idx = m.decorator_list[0].lineno - 1
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m_lines = lines[s_idx:e_idx]
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func_name = m.name.lstrip("_")
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processed = []
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for l in m_lines:
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processed.append(l[1:] if l.startswith(" ") else l)
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def_line_idx = next((i for i, l in enumerate(processed) if l.strip().startswith("def ")), -1)
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if def_line_idx != -1:
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l = processed[def_line_idx]
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l = l.replace(f"def {m.name}(", f"def {func_name}(", 1)
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l = re.sub(r"\bself\b", "app: App", l, count=1)
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processed[def_line_idx] = l
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for i in range(def_line_idx + 1, len(processed)):
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for m_name in render_names:
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t_func = m_name.lstrip("_")
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# Replace self._render_xxx( with render_xxx(app,
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# then fix up (app, ) if it was empty.
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processed[i] = processed[i].replace(f"self.{m_name}(", f"{t_func}(app, ")
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processed[i] = processed[i].replace(f"(app, )", "(app)")
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processed[i] = re.sub(r"(?<![a-zA-Z0-9_])self\.", "app.", processed[i])
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processed[i] = re.sub(r"(?<![a-zA-Z0-9_])self(?![a-zA-Z0-9_:])", "app", processed[i])
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extracted.append("\n".join(processed))
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arg_names = [a.arg for a in m.args.args if a.arg != "self"]
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kw_names = [a.arg for a in m.args.kwonlyargs]
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call_args = ["self"] + arg_names + [f"{k}={k}" for k in kw_names]
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orig_def_line = m_lines[0]
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if m.decorator_list:
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for l in m_lines:
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if l.strip().startswith("def "):
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orig_def_line = l
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break
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wrapper = [orig_def_line, f" {func_name}({', '.join(call_args)})"]
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lines[s_idx:e_idx] = wrapper
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extracted.reverse()
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final = "\n".join(lines) + "\n\n" + "\n\n".join(extracted) + "\n"
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with open(file_path, "w", encoding="utf-8") as f:
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f.write(final)
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print(f"Transformed {file_path}")
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if __name__ == "__main__":
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if len(sys.argv) > 1: transform_file(sys.argv[1])
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