email.message: Fix invalid TypeVar usage; add some default values
#9620
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Diff from mypy_primer, showing the effect of this PR on open source code: pip (https://github.com/pypa/pip)
+ src/pip/_internal/metadata/_json.py:67: error: Item "None" of "Optional[List[Any]]" has no attribute "__iter__" (not iterable) [union-attr]
+ src/pip/_internal/metadata/_json.py:70: error: Argument 1 to "sanitise_header" has incompatible type "Optional[Any]"; expected "Union[Header, str]" [arg-type]
aiohttp (https://github.com/aio-libs/aiohttp)
+ aiohttp/helpers.py:749: error: Value of type "Optional[List[Tuple[str, str]]]" is not indexable [index]
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Links to the primer hits: These are both true positives, in my opinion: these are both cases where |
srittau
approved these changes
Jan 30, 2023
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This would a good case for type var defaults (python/typing#307) as well. |
bmwiedemann
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Mar 21, 2023
…2924 https://build.opensuse.org/request/show/1072924 by user dirkmueller + dimstar_suse - update to 6.1.0: * ``packages_distributions`` now honors packages and modules with Python modules that not ``.py`` sources (e.g. ``.pyc``, * ``.so``). * #434: Expand protocol for ``PackageMetadata.get_all`` to match the upstream implementation of ``email.message.Message.get_all`` in python/typeshed#9620.
kraj
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Apr 10, 2023
Changelog: =========== - #384: PackageMetadata now stipulates an additional get method allowing for easy querying of metadata keys that may not be present. - #428: packages_distributions now honors packages and modules with Python modules that not .py sources (e.g. .pyc, .so). - #434: Expand protocol for PackageMetadata.get_all to match the upstream implementation of email.message.Message.get_all in python/typeshed#9620. (From OE-Core rev: 8cb0c21f597e4486229a7b42e00d3a681622ad9d) Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
kraj
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Apr 11, 2023
Changelog: =========== - #384: PackageMetadata now stipulates an additional get method allowing for easy querying of metadata keys that may not be present. - #428: packages_distributions now honors packages and modules with Python modules that not .py sources (e.g. .pyc, .so). - #434: Expand protocol for PackageMetadata.get_all to match the upstream implementation of email.message.Message.get_all in python/typeshed#9620. (From OE-Core rev: 1aac50ba9b58866a91fb64c0408c4b0425ad1f75) Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
kraj
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Apr 11, 2023
Changelog: =========== - #384: PackageMetadata now stipulates an additional get method allowing for easy querying of metadata keys that may not be present. - #428: packages_distributions now honors packages and modules with Python modules that not .py sources (e.g. .pyc, .so). - #434: Expand protocol for PackageMetadata.get_all to match the upstream implementation of email.message.Message.get_all in python/typeshed#9620. (From OE-Core rev: c718e376fa8453f1998416c3c22139711cd6ff56) Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
kraj
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Apr 11, 2023
Changelog: =========== - #384: PackageMetadata now stipulates an additional get method allowing for easy querying of metadata keys that may not be present. - #428: packages_distributions now honors packages and modules with Python modules that not .py sources (e.g. .pyc, .so). - #434: Expand protocol for PackageMetadata.get_all to match the upstream implementation of email.message.Message.get_all in python/typeshed#9620. (From OE-Core rev: c718e376fa8453f1998416c3c22139711cd6ff56) Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
kraj
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Apr 12, 2023
Changelog: =========== - #384: PackageMetadata now stipulates an additional get method allowing for easy querying of metadata keys that may not be present. - #428: packages_distributions now honors packages and modules with Python modules that not .py sources (e.g. .pyc, .so). - #434: Expand protocol for PackageMetadata.get_all to match the upstream implementation of email.message.Message.get_all in python/typeshed#9620. (From OE-Core rev: fde9a92e05c0b01304fa40dba743f9c7b32c628f) Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
kraj
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Apr 12, 2023
Changelog: =========== - #384: PackageMetadata now stipulates an additional get method allowing for easy querying of metadata keys that may not be present. - #428: packages_distributions now honors packages and modules with Python modules that not .py sources (e.g. .pyc, .so). - #434: Expand protocol for PackageMetadata.get_all to match the upstream implementation of email.message.Message.get_all in python/typeshed#9620. (From OE-Core rev: fde9a92e05c0b01304fa40dba743f9c7b32c628f) Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
rpurdie
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Apr 13, 2023
Changelog: =========== - #384: PackageMetadata now stipulates an additional get method allowing for easy querying of metadata keys that may not be present. - #428: packages_distributions now honors packages and modules with Python modules that not .py sources (e.g. .pyc, .so). - #434: Expand protocol for PackageMetadata.get_all to match the upstream implementation of email.message.Message.get_all in python/typeshed#9620. (From OE-Core rev: e3991141939e5e2393cf36edd02ef3765cacd330) Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
halstead
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Apr 13, 2023
Changelog: =========== - #384: PackageMetadata now stipulates an additional get method allowing for easy querying of metadata keys that may not be present. - #428: packages_distributions now honors packages and modules with Python modules that not .py sources (e.g. .pyc, .so). - #434: Expand protocol for PackageMetadata.get_all to match the upstream implementation of email.message.Message.get_all in python/typeshed#9620. Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
hauntsaninja
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Sep 23, 2023
Mostly straightforward. The new message.get_all type ignores out of fear it may return None are minorly annoying. You can see some of the extra errors on the pip codebase in the mypy_primer of the typeshed PR that made the change python/typeshed#9620 The abstract errors are because FakeDistribution doesn't actually implement any of the Protocol it claims to implement
hauntsaninja
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Sep 23, 2023
Mostly straightforward. The new message.get_all type ignores out of fear it may return None are minorly annoying. You can see some of the extra errors on the pip codebase in the mypy_primer of the typeshed PR that made the change python/typeshed#9620 The abstract errors are because FakeDistribution doesn't actually implement any of the Protocol it claims to implement
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Refs #9608. For all of the functions touched here, the
_TTypeVar would go unsolved if no value was passed by the user for thefailobjparameter. We have to use overloads here to ensure that_Twill never silently be resolved asAny