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Description
Bug report
Bug description:
Here is a minimal example project (tested on Python 3.10):
pyproject.toml
[build-system]requires = ["hatchling"]build-backend = "hatchling.build"[project]name = "test"readme = "README.md"version = "0.1.0"README.md
#Test[MIT](<https://choosealicense.com/licenses/mit/>)
test package:
__init__.py(empty)bug.py:import importlib.metadata; print(importlib.metadata.metadata("test"))
To reproduce:pip install -e .python test/bug.py
Traceback:
Traceback (most recent call last): File "bug.py", line 1, in <module> import importlib.metadata; print(importlib.metadata.metadata("test")) File "lib/python3.10/email/message.py", line 135, in __str__ return self.as_string() File "lib/python3.10/email/message.py", line 158, in as_string g.flatten(self, unixfrom=unixfrom) File "/home/mint/miniforge3/lib/python3.10/email/generator.py", line 116, in flatten self._write(msg) File "lib/python3.10/email/generator.py", line 199, in _write self._write_headers(msg) File "lib/python3.10/email/generator.py", line 226, in _write_headers self.write(self.policy.fold(h, v)) File "lib/python3.10/email/_policybase.py", line 326, in fold return self._fold(name, value, sanitize=True) File "lib/python3.10/email/_policybase.py", line 369, in _fold parts.append(h.encode(linesep=self.linesep, maxlinelen=maxlinelen)) File "lib/python3.10/email/header.py", line 389, in encode raise HeaderParseError("header value appears to contain "email.errors.HeaderParseError: header value appears to contain an embedded header: '# Test\n[MIT](<https://choosealicense.com/licenses/mit/>)'It appears that[MIT] is seen as a header, as it would be in a TOML file. That's my best guess really. Any help is appreciated!
CPython versions tested on:
3.10
Operating systems tested on:
Linux