scrapy/scrapy/utils/template.py

38 lines
918 B
Python

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