mirror of https://github.com/scrapy/scrapy.git
42 lines
984 B
Python
42 lines
984 B
Python
"""Helper functions for working with templates"""
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from __future__ import annotations
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import re
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import string
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from pathlib import Path
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from typing import TYPE_CHECKING, Any
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if TYPE_CHECKING:
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from os import PathLike
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def render_templatefile(path: str | PathLike[str], **kwargs: Any) -> None:
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path_obj = Path(path)
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raw = path_obj.read_text("utf8")
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content = string.Template(raw).substitute(**kwargs)
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render_path = path_obj.with_suffix("") if path_obj.suffix == ".tmpl" else path_obj
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if path_obj.suffix == ".tmpl":
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path_obj.rename(render_path)
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render_path.write_text(content, "utf8")
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CAMELCASE_INVALID_CHARS = re.compile(r"[^a-zA-Z\d]")
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def string_camelcase(string: str) -> str:
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"""Convert a word to its CamelCase version and remove invalid chars
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>>> string_camelcase('lost-pound')
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'LostPound'
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>>> string_camelcase('missing_images')
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'MissingImages'
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"""
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return CAMELCASE_INVALID_CHARS.sub("", string.title())
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