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[build-system]
requires = ["hatchling"]
build-backend = "hatchling.build"
[project]
name = "ml-project"
dynamic = ["version"]
requires-python = ">=3.10,<4"
[tool.hatch.version]
source = "code"
path = "src/ml_project/_version.py"And the src/ml_project/_version.py
from __future__ import annotations
from dataclasses import dataclass
@dataclass
class VersionConfig:
test_dir: str | None = None
verbose: bool = False
__version__ = "0.0.0"or, use constant string for lazy type evaluation
from dataclasses import dataclass
@dataclass
class VersionConfig:
test_dir: "str | None" = None
verbose: bool = False
__version__ = "0.0.0"Produces error:
$ hatch build
──────────────────────────────────────────────────────────────────────────────────────────────────────── sdist ────────────────────────────────────────────────────────────────────────────────────────────────────────
Traceback (most recent call last):
File "<frozen runpy>", line 198, in _run_module_as_main
File "<frozen runpy>", line 88, in _run_code
File "/Users/kiyoon/Library/Application Support/hatch/env/virtual/ml-project/X6XZjsly/ml-project-build/lib/python3.11/site-packages/hatchling/__main__.py", line 6, in <module>
sys.exit(hatchling())
^^^^^^^^^^^
File "/Users/kiyoon/Library/Application Support/hatch/env/virtual/ml-project/X6XZjsly/ml-project-build/lib/python3.11/site-packages/hatchling/cli/__init__.py", line 26, in hatchling
command(**kwargs)
File "/Users/kiyoon/Library/Application Support/hatch/env/virtual/ml-project/X6XZjsly/ml-project-build/lib/python3.11/site-packages/hatchling/cli/build/__init__.py", line 82, in build_impl
for artifact in builder.build(
File "/Users/kiyoon/Library/Application Support/hatch/env/virtual/ml-project/X6XZjsly/ml-project-build/lib/python3.11/site-packages/hatchling/builders/plugin/interface.py", line 90, in build
self.metadata.validate_fields()
File "/Users/kiyoon/Library/Application Support/hatch/env/virtual/ml-project/X6XZjsly/ml-project-build/lib/python3.11/site-packages/hatchling/metadata/core.py", line 265, in validate_fields
_ = self.version
^^^^^^^^^^^^
File "/Users/kiyoon/Library/Application Support/hatch/env/virtual/ml-project/X6XZjsly/ml-project-build/lib/python3.11/site-packages/hatchling/metadata/core.py", line 149, in version
self._version = self._get_version()
^^^^^^^^^^^^^^^^^^^
File "/Users/kiyoon/Library/Application Support/hatch/env/virtual/ml-project/X6XZjsly/ml-project-build/lib/python3.11/site-packages/hatchling/metadata/core.py", line 244, in _get_version
core_metadata = self.core
^^^^^^^^^
File "/Users/kiyoon/Library/Application Support/hatch/env/virtual/ml-project/X6XZjsly/ml-project-build/lib/python3.11/site-packages/hatchling/metadata/core.py", line 191, in core
self._version = self._get_version(metadata)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/kiyoon/Library/Application Support/hatch/env/virtual/ml-project/X6XZjsly/ml-project-build/lib/python3.11/site-packages/hatchling/metadata/core.py", line 248, in _get_version
version = self.hatch.version.cached
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/Users/kiyoon/Library/Application Support/hatch/env/virtual/ml-project/X6XZjsly/ml-project-build/lib/python3.11/site-packages/hatchling/metadata/core.py", line 1456, in cached
raise type(e)(message) from None
AttributeError: Error getting the version from source `code`: 'NoneType' object has no attribute '__dict__'. Did you mean: '_cached'?Metadata
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