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better error message

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Manuel Barkhau 2019-02-22 11:04:53 +01:00
parent 42dac604b9
commit 17cc0f97a7
1 changed files with 6 additions and 1 deletions
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7
src/pycalver/rewrite.py
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@ -186,7 +186,12 @@ def diff(new_version: str, file_patterns: config.PatternsByGlob) -> str:
with file_path.open(mode="rt", encoding="utf-8") as fh:
content = fh.read()
rfd = rfd_from_content(pattern_strs, new_version, content)
try:
rfd = rfd_from_content(pattern_strs, new_version, content)
except ValueError:
errmsg = f"No patterns matched for '{file_path}'"
raise ValueError(errmsg)
rfd = rfd._replace(path=str(file_path))
lines = diff_lines(rfd)
if len(lines) == 0: