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Show constraint in error message #9300

Merged
merged 3 commits into from
Feb 25, 2021
Merged

Show constraint in error message #9300

merged 3 commits into from
Feb 25, 2021

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uranusjr
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@uranusjr uranusjr commented Dec 15, 2020 •
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Currently the No matching distribution and ResolutionImpossible errors do not consider constraints, which may lead to hard-to-understand messages like the one in #9299.

This patch add relevant constraints to the list of conflicts, so the user can easily find whether the constraint is the cause.

Previous:

$ pip install -c constriants.txt virtualenv==20.0.0  # constraints.txt contains "six==1.10.0".
ERROR: Could not find a version that satisfies the requirement six<2,>=1.12.0 (from virtualenv)
ERROR: No matching distribution found for six<2,>=1.12.0

$ pip install apache-airflow[devel_ci]==2.0.0rc3 -c https://raw.githubusercontent.com/apache/airflow/constraints-master/constraints-3.6.txt
...
The conflict is caused by:
    nteract-scrapbook[all] 0.4.1 depends on pyarrow
    nteract-scrapbook 0.4.1 depends on pyarrow
    papermill[all] 2.2.2 depends on pyarrow; extra == "all"
    google-cloud-bigquery[bqstorage,pandas] 2.4.0 depends on pyarrow<3.0dev and >=1.0.0; extra == "bqstorage"

With this patch:

$ pip install -c constriants.txt virtualenv==20.0.0  # constraints.txt contains "six==1.10.0".
...
The conflict is caused by:
    virtualenv 20.0.0 depends on six<2 and >=1.12.0
    The user requested constraint six==1.10.0

$ pip install apache-airflow[devel_ci]==2.0.0rc3 -c https://raw.githubusercontent.com/apache/airflow/constraints-master/constraints-3.6.txt
...
The conflict is caused by:
    nteract-scrapbook[all] 0.4.1 depends on pyarrow
    nteract-scrapbook 0.4.1 depends on pyarrow
    papermill[all] 2.2.2 depends on pyarrow; extra == "all"
    google-cloud-bigquery[bqstorage,pandas] 2.4.0 depends on pyarrow<3.0dev and >=1.0.0; extra == "bqstorage"
    The user requested constraint pyarrow==0.17.1

@uranusjr uranusjr force-pushed the new-resolver-show-constraints-in-error branch 2 times, most recently from fa97998 to 4448a72 Compare December 15, 2020 14:11
pradyunsg
pradyunsg approved these changes Dec 15, 2020
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Me likely. One minor UI-ish nit pick, only because I feel like emphasizing that it's a constraint is worth it.

The only question is... do you wanna add a test?

@uranusjr uranusjr force-pushed the new-resolver-show-constraints-in-error branch 2 times, most recently from 9e746bc to 6ed9396 Compare December 15, 2020 14:26
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Hello!

I am an automated bot and I have noticed that this pull request is not currently able to be merged. If you are able to either merge the master branch into this pull request or rebase this pull request against master then it will be eligible for code review and hopefully merging!

@BrownTruck BrownTruck added the needs rebase or merge PR has conflicts with current master label Feb 4, 2021
@uranusjr uranusjr force-pushed the new-resolver-show-constraints-in-error branch from 6ed9396 to c7f78d4 Compare February 8, 2021 09:40
@pypa-bot pypa-bot removed the needs rebase or merge PR has conflicts with current master label Feb 8, 2021
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Hello!

I am an automated bot and I have noticed that this pull request is not currently able to be merged. If you are able to either merge the master branch into this pull request or rebase this pull request against master then it will be eligible for code review and hopefully merging!

@BrownTruck BrownTruck added the needs rebase or merge PR has conflicts with current master label Feb 21, 2021
@uranusjr uranusjr force-pushed the new-resolver-show-constraints-in-error branch from c7f78d4 to 7c0428e Compare February 22, 2021 18:08
@pypa-bot pypa-bot removed the needs rebase or merge PR has conflicts with current master label Feb 22, 2021
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Test added

@uranusjr uranusjr force-pushed the new-resolver-show-constraints-in-error branch from 66c4cf3 to 32376bf Compare February 25, 2021 05:57
@uranusjr uranusjr merged commit 43b7f3f into pypa:master Feb 25, 2021
@uranusjr uranusjr deleted the new-resolver-show-constraints-in-error branch February 25, 2021 06:49
@pradyunsg pradyunsg mentioned this pull request Mar 6, 2021
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@uranusjr uranusjr mentioned this pull request Apr 23, 2021
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inmantaci added a commit to inmanta/inmanta-core that referenced this pull request Apr 27, 2021
@inmantaci
Bump pip from 21.0.1 to 21.1 (PR #2884)
2b44b72 
Bumps [pip](https://github.com/pypa/pip) from 21.0.1 to 21.1.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/pypa/pip/blob/main/NEWS.rst">pip's changelog</a>.</em></p>
<blockquote>
<h1>21.1 (2021-04-24)</h1>
<h2>Process</h2>
<ul>
<li>Start installation scheme migration from <code>distutils</code> to <code>sysconfig</code>. A
warning is implemented to detect differences between the two implementations to
encourage user reports, so we can avoid breakages before they happen.</li>
</ul>
<h2>Features</h2>
<ul>
<li>Add the ability for the new resolver to process URL constraints. (<code>[#8253](pypa/pip#8253) &lt;https://github.com/pypa/pip/issues/8253&gt;</code>_)</li>
<li>Add a feature <code>--use-feature=in-tree-build</code> to build local projects in-place
when installing. This is expected to become the default behavior in pip 21.3;
see <code>Installing from local packages &lt;https://pip.pypa.io/en/stable/user_guide/#installing-from-local-packages&gt;</code>_
for more information. (<code>[#9091](pypa/pip#9091) &lt;https://github.com/pypa/pip/issues/9091&gt;</code>_)</li>
<li>Bring back the &quot;(from versions: ...)&quot; message, that was shown on resolution failures. (<code>[#9139](pypa/pip#9139) &lt;https://github.com/pypa/pip/issues/9139&gt;</code>_)</li>
<li>Add support for editable installs for project with only setup.cfg files. (<code>[#9547](pypa/pip#9547) &lt;https://github.com/pypa/pip/issues/9547&gt;</code>_)</li>
<li>Improve performance when picking the best file from indexes during <code>pip install</code>. (<code>[#9748](pypa/pip#9748) &lt;https://github.com/pypa/pip/issues/9748&gt;</code>_)</li>
<li>Warn instead of erroring out when doing a PEP 517 build in presence of
<code>--build-option</code>. Warn when doing a PEP 517 build in presence of
<code>--global-option</code>. (<code>[#9774](pypa/pip#9774) &lt;https://github.com/pypa/pip/issues/9774&gt;</code>_)</li>
</ul>
<h2>Bug Fixes</h2>
<ul>
<li>Fixed <code>--target</code> to work with <code>--editable</code> installs. (<code>[#4390](pypa/pip#4390) &lt;https://github.com/pypa/pip/issues/4390&gt;</code>_)</li>
<li>Add a warning, discouraging the usage of pip as root, outside a virtual environment. (<code>[#6409](pypa/pip#6409) &lt;https://github.com/pypa/pip/issues/6409&gt;</code>_)</li>
<li>Ignore <code>.dist-info</code> directories if the stem is not a valid Python distribution
name, so they don't show up in e.g. <code>pip freeze</code>. (<code>[#7269](pypa/pip#7269) &lt;https://github.com/pypa/pip/issues/7269&gt;</code>_)</li>
<li>Only query the keyring for URLs that actually trigger error 401.
This prevents an unnecessary keyring unlock prompt on every pip install
invocation (even with default index URL which is not password protected). (<code>[#8090](pypa/pip#8090) &lt;https://github.com/pypa/pip/issues/8090&gt;</code>_)</li>
<li>Prevent packages already-installed alongside with pip to be injected into an
isolated build environment during build-time dependency population. (<code>[#8214](pypa/pip#8214) &lt;https://github.com/pypa/pip/issues/8214&gt;</code>_)</li>
<li>Fix <code>pip freeze</code> permission denied error in order to display an understandable error message and offer solutions. (<code>[#8418](pypa/pip#8418) &lt;https://github.com/pypa/pip/issues/8418&gt;</code>_)</li>
<li>Correctly uninstall script files (from setuptools' <code>scripts</code> argument), when installed with <code>--user</code>. (<code>[#8733](pypa/pip#8733) &lt;https://github.com/pypa/pip/issues/8733&gt;</code>_)</li>
<li>New resolver: When a requirement is requested both via a direct URL
(<code>req @ URL</code>) and via version specifier with extras (<code>req[extra]</code>), the
resolver will now be able to use the URL to correctly resolve the requirement
with extras. (<code>[#8785](pypa/pip#8785) &lt;https://github.com/pypa/pip/issues/8785&gt;</code>_)</li>
<li>New resolver: Show relevant entries from user-supplied constraint files in the
error message to improve debuggability. (<code>[#9300](pypa/pip#9300) &lt;https://github.com/pypa/pip/issues/9300&gt;</code>_)</li>
<li>Avoid parsing version to make the version check more robust against lousily
debundled downstream distributions. (<code>[#9348](pypa/pip#9348) &lt;https://github.com/pypa/pip/issues/9348&gt;</code>_)</li>
<li><code>--user</code> is no longer suggested incorrectly when pip fails with a permission
error in a virtual environment. (<code>[#9409](pypa/pip#9409) &lt;https://github.com/pypa/pip/issues/9409&gt;</code>_)</li>
<li>Fix incorrect reporting on <code>Requires-Python</code> conflicts. (<code>[#9541](pypa/pip#9541) &lt;https://github.com/pypa/pip/issues/9541&gt;</code>_)</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/pypa/pip/commit/2b2a268d25963727c2a1c805de8f0246b9cd63f6"><code>2b2a268</code></a> Bump for release</li>
<li><a href="https://github.com/pypa/pip/commit/ea761a6575f37b90cf89035ee8be3808cf872184"><code>ea761a6</code></a> Update AUTHORS.txt</li>
<li><a href="https://github.com/pypa/pip/commit/2edd3fdf2af2f09dce5085ef0eb54684b4f9bc04"><code>2edd3fd</code></a> Postpone a deprecation to 21.2</li>
<li><a href="https://github.com/pypa/pip/commit/3cccfbf169bd35133ee25d2543659b9c1e262f8c"><code>3cccfbf</code></a> Rename mislabeled news fragment</li>
<li><a href="https://github.com/pypa/pip/commit/21cd124b5d40b510295c201b9152a65ac3337a37"><code>21cd124</code></a> Fix NEWS.rst placeholder position</li>
<li><a href="https://github.com/pypa/pip/commit/e46bdda9711392fec0c45c1175bae6db847cb30b"><code>e46bdda</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/9827">#9827</a> from pradyunsg/fix-git-improper-tag-handling</li>
<li><a href="https://github.com/pypa/pip/commit/0e4938d269815a5bf1dd8c16e851cb1199fc5317"><code>0e4938d</code></a> 📰</li>
<li><a href="https://github.com/pypa/pip/commit/ca832b2836e0bffa7cf95589acdcd71230f5834e"><code>ca832b2</code></a> Don't split git references on unicode separators</li>
<li><a href="https://github.com/pypa/pip/commit/1320bac4ff80d76b8fba2c8b4b4614a40fb9c6c3"><code>1320bac</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/9814">#9814</a> from pradyunsg/revamp-ci-apr-2021-v2</li>
<li><a href="https://github.com/pypa/pip/commit/e9cc23ffd97cb6d66d32dc3ec27cf832524bb33d"><code>e9cc23f</code></a> Skip checks on PRs only</li>
<li>Additional commits viewable in <a href="https://github.com/pypa/pip/compare/21.0.1...21.1">compare view</a></li>
</ul>
</details>
<br />

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