cache: Do not raise error when there are no files to remove #10459
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NoahGorny
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| if not files: | ||
| raise CommandError("No matching packages") | ||
| logger.warning("No matching packages") |
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We can probably remove this entire conditional.
It's not like this warning is super useful; given that the next line in the output is "Files removed: 0".
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I actually like this warning, people expect this command to remove wheels, and it seems appropriate to at least add a warning here.
Another point for the warning is that this function is also used by pip cache remove which lets people provide a pattern. It's nice to have a warning in case that the pattern is broken.
I can even change this to No matching packages for pattern {pattern}
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I like No matching packages for pattern {pattern}, but I see how it could confuse users trying to purge cache with No matching packages for pattern *.
How about logger.warning("No matching packages " + "to purge" if args[0] == "*" else f"for pattern {args[0]}")? @pradyunsg @NoahGorny That seems a bit convoluted though...
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see now @ziebam @pradyunsg
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Oh wait, we should add a test for this behaviour! |
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September 28, 2021 14:17
Instead log a warning and continue (to log that we removed 0 files)
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Bumps [pip](https://github.com/pypa/pip) from 21.2.4 to 21.3. <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>21.3 (2021-10-11)</h1> <h2>Deprecations and Removals</h2> <ul> <li>Improve deprecation warning regarding the copying of source trees when installing from a local directory. (<code>[#10128](pypa/pip#10128) <https://github.com/pypa/pip/issues/10128></code>_)</li> <li>Suppress location mismatch warnings when pip is invoked from a Python source tree, so <code>ensurepip</code> does not emit warnings on CPython <code>make install</code>. (<code>[#10270](pypa/pip#10270) <https://github.com/pypa/pip/issues/10270></code>_)</li> <li>On Python 3.10 or later, the installation scheme backend has been changed to use <code>sysconfig</code>. This is to anticipate the deprecation of <code>distutils</code> in Python 3.10, and its scheduled removal in 3.12. For compatibility considerations, pip installations running on Python 3.9 or lower will continue to use <code>distutils</code>. (<code>[#10358](pypa/pip#10358) <https://github.com/pypa/pip/issues/10358></code>_)</li> <li>Remove the <code>--build-dir</code> option and aliases, one last time. (<code>[#10485](pypa/pip#10485) <https://github.com/pypa/pip/issues/10485></code>_)</li> <li>In-tree builds are now the default. <code>--use-feature=in-tree-build</code> is now ignored. <code>--use-deprecated=out-of-tree-build</code> may be used temporarily to ease the transition. (<code>[#10495](pypa/pip#10495) <https://github.com/pypa/pip/issues/10495></code>_)</li> <li>Un-deprecate source distribution re-installation behaviour. (<code>[#8711](pypa/pip#8711) <https://github.com/pypa/pip/issues/8711></code>_)</li> </ul> <h2>Features</h2> <ul> <li>Replace vendored appdirs with platformdirs. (<code>[#10202](pypa/pip#10202) <https://github.com/pypa/pip/issues/10202></code>_)</li> <li>Support <code>PEP 610 <https://www.python.org/dev/peps/pep-0610/></code>_ to detect editable installs in <code>pip freeze</code> and <code>pip list</code>. The <code>pip list</code> column output has a new <code>Editable project location</code> column, and the JSON output has a new <code>editable_project_location</code> field. (<code>[#10249](pypa/pip#10249) <https://github.com/pypa/pip/issues/10249></code>_)</li> <li><code>pip freeze</code> will now always fallback to reporting the editable project location when it encounters a VCS error while analyzing an editable requirement. Before, it sometimes reported the requirement as non-editable. (<code>[#10410](pypa/pip#10410) <https://github.com/pypa/pip/issues/10410></code>_)</li> <li><code>pip show</code> now sorts <code>Requires</code> and <code>Required-By</code> alphabetically. (<code>[#10422](pypa/pip#10422) <https://github.com/pypa/pip/issues/10422></code>_)</li> <li>Do not raise error when there are no files to remove with <code>pip cache purge/remove</code>. Instead log a warning and continue (to log that we removed 0 files). (<code>[#10459](pypa/pip#10459) <https://github.com/pypa/pip/issues/10459></code>_)</li> <li>When backtracking during dependency resolution, prefer the dependencies which are involved in the most recent conflict. This can significantly reduce the amount of backtracking required. (<code>[#10479](pypa/pip#10479) <https://github.com/pypa/pip/issues/10479></code>_)</li> <li>Cache requirement objects, to improve performance reducing reparses of requirement strings. (<code>[#10550](pypa/pip#10550) <https://github.com/pypa/pip/issues/10550></code>_)</li> <li>Support editable installs for projects that have a <code>pyproject.toml</code> and use a build backend that supports :pep:<code>660</code>. (<code>[#8212](pypa/pip#8212) <https://github.com/pypa/pip/issues/8212></code>_)</li> <li>When a revision is specified in a Git URL, use git's partial clone feature to speed up source retrieval. (<code>[#9086](pypa/pip#9086) <https://github.com/pypa/pip/issues/9086></code>_)</li> <li>Add a <code>--debug</code> flag, to enable a mode that doesn't log errors and propagates them to the top level instead. This is primarily to aid with debugging pip's crashes. (<code>[#9349](pypa/pip#9349) <https://github.com/pypa/pip/issues/9349></code>_)</li> <li>If a host is explicitly specified as trusted by the user (via the --trusted-host option), cache HTTP responses from it in addition to HTTPS ones. (<code>[#9498](pypa/pip#9498) <https://github.com/pypa/pip/issues/9498></code>_)</li> </ul> <h2>Bug Fixes</h2> <ul> <li>Present a better error message, when a <code>file:</code> URL is not found. (<code>[#10263](pypa/pip#10263) <https://github.com/pypa/pip/issues/10263></code>_)</li> <li>Fix the auth credential cache to allow for the case in which the index url contains the username, but the password comes from an external source, such as keyring. (<code>[#10269](pypa/pip#10269) <https://github.com/pypa/pip/issues/10269></code>_)</li> <li>Fix double unescape of HTML <code>data-requires-python</code> and <code>data-yanked</code> attributes. (<code>[#10378](pypa/pip#10378) <https://github.com/pypa/pip/issues/10378></code>_)</li> <li>New resolver: Fixes depth ordering of packages during resolution, e.g. a dependency 2 levels deep will be ordered before a dependecy 3 levels deep. (<code>[#10482](pypa/pip#10482) <https://github.com/pypa/pip/issues/10482></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/abec8a701bfa66aa15fedf4c898011aa2d95f29e"><code>abec8a7</code></a> Bump for release</li> <li><a href="https://github.com/pypa/pip/commit/68a70486c9224f9d25be3cbf56c73d8a33c6a713"><code>68a7048</code></a> Update AUTHORS.txt</li> <li><a href="https://github.com/pypa/pip/commit/9f18a403ca41f4e42fbb89d286b6571a099cb54b"><code>9f18a40</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/10481">#10481</a> from notatallshaw/prefer_failures</li> <li><a href="https://github.com/pypa/pip/commit/db496cbce518fa159476695db0cd4f1c1a8ab6f5"><code>db496cb</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/10563">#10563</a> from pradyunsg/shorter-timeout</li> <li><a href="https://github.com/pypa/pip/commit/4fac2b90a5d200b46e7b576013bb25f4ebb3f937"><code>4fac2b9</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/10550">#10550</a> from jbylund/joe/cache_requirement_creation</li> <li><a href="https://github.com/pypa/pip/commit/786957cf85a641d49b4cfcceef717ef229ac8238"><code>786957c</code></a> Use a shorter timeout, to ensure that this fails more often</li> <li><a href="https://github.com/pypa/pip/commit/1e3c127d4a938643aca1bbc25e6581493e316476"><code>1e3c127</code></a> Avoid passing <code>.</code> to vendoring</li> <li><a href="https://github.com/pypa/pip/commit/610424f9f8ad1f99d0a48bf9a53e7a9df4242304"><code>610424f</code></a> Quote "PreferenceInformation" to avoid runtime NameError</li> <li><a href="https://github.com/pypa/pip/commit/c01b5c6d8a4858cf733408b4b020933f902dda9e"><code>c01b5c6</code></a> Update a test for resolvelib 0.8.0</li> <li><a href="https://github.com/pypa/pip/commit/394a24eb1a5f9af5da7d4d2452ed5fe952de5db2"><code>394a24e</code></a> Upgrade resolvelib to 0.8.0</li> <li>Additional commits viewable in <a href="https://github.com/pypa/pip/compare/21.2.4...21.3">compare view</a></li> </ul> </details> <br /> [](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- <details> <summary>Dependabot commands and options</summary> <br /> You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. 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Bumps [pip](https://github.com/pypa/pip) from 21.2.4 to 21.3. <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>21.3 (2021-10-11)</h1> <h2>Deprecations and Removals</h2> <ul> <li>Improve deprecation warning regarding the copying of source trees when installing from a local directory. (<code>[#10128](pypa/pip#10128) <https://github.com/pypa/pip/issues/10128></code>_)</li> <li>Suppress location mismatch warnings when pip is invoked from a Python source tree, so <code>ensurepip</code> does not emit warnings on CPython <code>make install</code>. (<code>[#10270](pypa/pip#10270) <https://github.com/pypa/pip/issues/10270></code>_)</li> <li>On Python 3.10 or later, the installation scheme backend has been changed to use <code>sysconfig</code>. This is to anticipate the deprecation of <code>distutils</code> in Python 3.10, and its scheduled removal in 3.12. For compatibility considerations, pip installations running on Python 3.9 or lower will continue to use <code>distutils</code>. (<code>[#10358](pypa/pip#10358) <https://github.com/pypa/pip/issues/10358></code>_)</li> <li>Remove the <code>--build-dir</code> option and aliases, one last time. (<code>[#10485](pypa/pip#10485) <https://github.com/pypa/pip/issues/10485></code>_)</li> <li>In-tree builds are now the default. <code>--use-feature=in-tree-build</code> is now ignored. <code>--use-deprecated=out-of-tree-build</code> may be used temporarily to ease the transition. (<code>[#10495](pypa/pip#10495) <https://github.com/pypa/pip/issues/10495></code>_)</li> <li>Un-deprecate source distribution re-installation behaviour. (<code>[#8711](pypa/pip#8711) <https://github.com/pypa/pip/issues/8711></code>_)</li> </ul> <h2>Features</h2> <ul> <li>Replace vendored appdirs with platformdirs. (<code>[#10202](pypa/pip#10202) <https://github.com/pypa/pip/issues/10202></code>_)</li> <li>Support <code>PEP 610 <https://www.python.org/dev/peps/pep-0610/></code>_ to detect editable installs in <code>pip freeze</code> and <code>pip list</code>. The <code>pip list</code> column output has a new <code>Editable project location</code> column, and the JSON output has a new <code>editable_project_location</code> field. (<code>[#10249](pypa/pip#10249) <https://github.com/pypa/pip/issues/10249></code>_)</li> <li><code>pip freeze</code> will now always fallback to reporting the editable project location when it encounters a VCS error while analyzing an editable requirement. Before, it sometimes reported the requirement as non-editable. (<code>[#10410](pypa/pip#10410) <https://github.com/pypa/pip/issues/10410></code>_)</li> <li><code>pip show</code> now sorts <code>Requires</code> and <code>Required-By</code> alphabetically. (<code>[#10422](pypa/pip#10422) <https://github.com/pypa/pip/issues/10422></code>_)</li> <li>Do not raise error when there are no files to remove with <code>pip cache purge/remove</code>. Instead log a warning and continue (to log that we removed 0 files). (<code>[#10459](pypa/pip#10459) <https://github.com/pypa/pip/issues/10459></code>_)</li> <li>When backtracking during dependency resolution, prefer the dependencies which are involved in the most recent conflict. This can significantly reduce the amount of backtracking required. (<code>[#10479](pypa/pip#10479) <https://github.com/pypa/pip/issues/10479></code>_)</li> <li>Cache requirement objects, to improve performance reducing reparses of requirement strings. (<code>[#10550](pypa/pip#10550) <https://github.com/pypa/pip/issues/10550></code>_)</li> <li>Support editable installs for projects that have a <code>pyproject.toml</code> and use a build backend that supports :pep:<code>660</code>. (<code>[#8212](pypa/pip#8212) <https://github.com/pypa/pip/issues/8212></code>_)</li> <li>When a revision is specified in a Git URL, use git's partial clone feature to speed up source retrieval. (<code>[#9086](pypa/pip#9086) <https://github.com/pypa/pip/issues/9086></code>_)</li> <li>Add a <code>--debug</code> flag, to enable a mode that doesn't log errors and propagates them to the top level instead. This is primarily to aid with debugging pip's crashes. (<code>[#9349](pypa/pip#9349) <https://github.com/pypa/pip/issues/9349></code>_)</li> <li>If a host is explicitly specified as trusted by the user (via the --trusted-host option), cache HTTP responses from it in addition to HTTPS ones. (<code>[#9498](pypa/pip#9498) <https://github.com/pypa/pip/issues/9498></code>_)</li> </ul> <h2>Bug Fixes</h2> <ul> <li>Present a better error message, when a <code>file:</code> URL is not found. (<code>[#10263](pypa/pip#10263) <https://github.com/pypa/pip/issues/10263></code>_)</li> <li>Fix the auth credential cache to allow for the case in which the index url contains the username, but the password comes from an external source, such as keyring. (<code>[#10269](pypa/pip#10269) <https://github.com/pypa/pip/issues/10269></code>_)</li> <li>Fix double unescape of HTML <code>data-requires-python</code> and <code>data-yanked</code> attributes. (<code>[#10378](pypa/pip#10378) <https://github.com/pypa/pip/issues/10378></code>_)</li> <li>New resolver: Fixes depth ordering of packages during resolution, e.g. a dependency 2 levels deep will be ordered before a dependecy 3 levels deep. (<code>[#10482](pypa/pip#10482) <https://github.com/pypa/pip/issues/10482></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/abec8a701bfa66aa15fedf4c898011aa2d95f29e"><code>abec8a7</code></a> Bump for release</li> <li><a href="https://github.com/pypa/pip/commit/68a70486c9224f9d25be3cbf56c73d8a33c6a713"><code>68a7048</code></a> Update AUTHORS.txt</li> <li><a href="https://github.com/pypa/pip/commit/9f18a403ca41f4e42fbb89d286b6571a099cb54b"><code>9f18a40</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/10481">#10481</a> from notatallshaw/prefer_failures</li> <li><a href="https://github.com/pypa/pip/commit/db496cbce518fa159476695db0cd4f1c1a8ab6f5"><code>db496cb</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/10563">#10563</a> from pradyunsg/shorter-timeout</li> <li><a href="https://github.com/pypa/pip/commit/4fac2b90a5d200b46e7b576013bb25f4ebb3f937"><code>4fac2b9</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/10550">#10550</a> from jbylund/joe/cache_requirement_creation</li> <li><a href="https://github.com/pypa/pip/commit/786957cf85a641d49b4cfcceef717ef229ac8238"><code>786957c</code></a> Use a shorter timeout, to ensure that this fails more often</li> <li><a href="https://github.com/pypa/pip/commit/1e3c127d4a938643aca1bbc25e6581493e316476"><code>1e3c127</code></a> Avoid passing <code>.</code> to vendoring</li> <li><a href="https://github.com/pypa/pip/commit/610424f9f8ad1f99d0a48bf9a53e7a9df4242304"><code>610424f</code></a> Quote "PreferenceInformation" to avoid runtime NameError</li> <li><a href="https://github.com/pypa/pip/commit/c01b5c6d8a4858cf733408b4b020933f902dda9e"><code>c01b5c6</code></a> Update a test for resolvelib 0.8.0</li> <li><a href="https://github.com/pypa/pip/commit/394a24eb1a5f9af5da7d4d2452ed5fe952de5db2"><code>394a24e</code></a> Upgrade resolvelib to 0.8.0</li> <li>Additional commits viewable in <a href="https://github.com/pypa/pip/compare/21.2.4...21.3">compare view</a></li> </ul> </details> <br /> [](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- <details> <summary>Dependabot commands and options</summary> <br /> You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) </details>
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Instead log a warning and continue (to log that we removed 0 files)
Closes #10451