Accept lowercase doctype declarations #10844
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pradyunsg
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uranusjr
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Jan 30, 2022
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As I'm sure it'll eventually come up FYI going to the actual HTML 5 spec the doctype has several valid variations beyond what's checked here:
Ignoring the DOCTYPE legacy string part you can use any type of ASCII white space to separate "DOCTYPE" and "html", and you can use multiple of them. This would therefore be a valid doctype: It does however say:
So I assume that's what most HTML5 generators use. |
sigh Of course it is. shakes head I lean toward waiting for someone to complain about that and prefer to have them submit a PR that goes through our regular review processes for that. If someone really wants pip to support these kinds of doctypes, they're welcome to file a PR. |
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Bumps [pip](https://github.com/pypa/pip) from 21.3.1 to 22.0.2. <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>22.0.2 (2022-01-30)</h1> <h2>Deprecations and Removals</h2> <ul> <li>Instead of failing on index pages that use non-compliant HTML 5, print a deprecation warning and fall back to <code>html5lib</code>-based parsing for now. This simplifies the migration for non-compliant index pages, by letting such indexes function with a warning. (<code>[#10847](pypa/pip#10847) <https://github.com/pypa/pip/issues/10847></code>_)</li> </ul> <h1>22.0.1 (2022-01-30)</h1> <h2>Bug Fixes</h2> <ul> <li>Accept lowercase <code><!doctype html></code> on index pages. (<code>[#10844](pypa/pip#10844) <https://github.com/pypa/pip/issues/10844></code>_)</li> <li>Properly handle links parsed by html5lib, when using <code>--use-deprecated=html5lib</code>. (<code>[#10846](pypa/pip#10846) <https://github.com/pypa/pip/issues/10846></code>_)</li> </ul> <h1>22.0 (2022-01-29)</h1> <h2>Process</h2> <ul> <li>Completely replace :pypi:<code>tox</code> in our development workflow, with :pypi:<code>nox</code>.</li> </ul> <h2>Deprecations and Removals</h2> <ul> <li> <p>Deprecate alternative progress bar styles, leaving only <code>on</code> and <code>off</code> as available choices. (<code>[#10462](pypa/pip#10462) <https://github.com/pypa/pip/issues/10462></code>_)</p> </li> <li> <p>Drop support for Python 3.6. (<code>[#10641](pypa/pip#10641) <https://github.com/pypa/pip/issues/10641></code>_)</p> </li> <li> <p>Disable location mismatch warnings on Python versions prior to 3.10.</p> <p>These warnings were helping identify potential issues as part of the sysconfig -> distutils transition, and we no longer need to rely on reports from older Python versions for information on the transition. (<code>[#10840](pypa/pip#10840) <https://github.com/pypa/pip/issues/10840></code>_)</p> </li> </ul> <h2>Features</h2> <ul> <li> <p>Changed <code>PackageFinder</code> to parse HTML documents using the stdlib :class:<code>html.parser.HTMLParser</code> class instead of the <code>html5lib</code> package.</p> <p>For now, the deprecated <code>html5lib</code> code remains and can be used with the <code>--use-deprecated=html5lib</code> command line option. However, it will be removed in a future pip release. (<code>[#10291](pypa/pip#10291) <https://github.com/pypa/pip/issues/10291></code>_)</p> </li> <li> <p>Utilise <code>rich</code> for presenting pip's default download progress bar. (<code>[#10462](pypa/pip#10462) <https://github.com/pypa/pip/issues/10462></code>_)</p> </li> <li> <p>Present a better error message when an invalid wheel file is encountered, providing more context where the invalid wheel file is. (<code>[#10535](pypa/pip#10535) <https://github.com/pypa/pip/issues/10535></code>_)</p> </li> <li> <p>Documents the <code>--require-virtualenv</code> flag for <code>pip install</code>. (<code>[#10588](pypa/pip#10588) <https://github.com/pypa/pip/issues/10588></code>_)</p> </li> <li> <p><code>pip install <tab></code> autocompletes paths. (<code>[#10646](pypa/pip#10646) <https://github.com/pypa/pip/issues/10646></code>_)</p> </li> <li> <p>Allow Python distributors to opt-out from or opt-in to the <code>sysconfig</code> installation scheme backend by setting <code>sysconfig._PIP_USE_SYSCONFIG</code> to <code>True</code> or <code>False</code>. (<code>[#10647](pypa/pip#10647) <https://github.com/pypa/pip/issues/10647></code>_)</p> </li> <li> <p>Make it possible to deselect tests requiring cryptography package on systems where it cannot be installed. (<code>[#10686](pypa/pip#10686) <https://github.com/pypa/pip/issues/10686></code>_)</p> </li> <li> <p>Start using Rich for presenting error messages in a consistent format. (<code>[#10703](pypa/pip#10703) <https://github.com/pypa/pip/issues/10703></code>_)</p> </li> <li> <p>Improve presentation of errors from subprocesses. (<code>[#10705](pypa/pip#10705) <https://github.com/pypa/pip/issues/10705></code>_)</p> </li> </ul> </blockquote> <p>... (truncated)</p> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/pypa/pip/commit/c721f03190ef888711e8e9efe6ca8345ec6464f3"><code>c721f03</code></a> Bump for release</li> <li><a href="https://github.com/pypa/pip/commit/844b799c9cf68629cc3c45b75c6e3b7f41086d49"><code>844b799</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/10847">#10847</a> from pradyunsg/better-html5lib-fallback</li> <li><a href="https://github.com/pypa/pip/commit/a78845ab3387adfe590e2a0ae044a6d3b20ada55"><code>a78845a</code></a> Pacify functional tests that don't start with <code>\<!doctype html></code></li> <li><a href="https://github.com/pypa/pip/commit/c3a42f0679d06bfdb3475801618273be5bbce1e8"><code>c3a42f0</code></a> 📰</li> <li><a href="https://github.com/pypa/pip/commit/c01b0b2729ee096c73416059de825e2f2f01bed9"><code>c01b0b2</code></a> Gracefully fallback to html5lib for parsing non-compliant index pages</li> <li><a href="https://github.com/pypa/pip/commit/cc35c930b2d7096babb267ddce9382c30c58c7e1"><code>cc35c93</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/10850">#10850</a> from pradyunsg/release/22.0.1</li> <li><a href="https://github.com/pypa/pip/commit/1b6ef5d0b387d84b1909799d1e18d0b4431038c3"><code>1b6ef5d</code></a> Bump for development</li> <li><a href="https://github.com/pypa/pip/commit/c73ac8d6bcf4f64041cafeccd2125cca052abed9"><code>c73ac8d</code></a> Bump for release</li> <li><a href="https://github.com/pypa/pip/commit/9a9c1def6e3bba1f2a860874c8c73b5c55f7f43c"><code>9a9c1de</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/10846">#10846</a> from pradyunsg/fix-html5lib-fallback</li> <li><a href="https://github.com/pypa/pip/commit/80609e8c20a8db26c97037f252b29307ab44b0e2"><code>80609e8</code></a> Properly yield results from <code>html5lib</code> parsing</li> <li>Additional commits viewable in <a href="https://github.com/pypa/pip/compare/21.3.1...22.0.2">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 21.3.1 to 22.0.3. <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>22.0.3 (2022-02-03)</h1> <h2>Features</h2> <ul> <li>Print the exception via <code>rich.traceback</code>, when running with <code>--debug</code>. (<code>[#10791](pypa/pip#10791) <https://github.com/pypa/pip/issues/10791></code>_)</li> </ul> <h2>Bug Fixes</h2> <ul> <li> <p>Only calculate topological installation order, for packages that are going to be installed/upgraded.</p> <p>This fixes an <code>AssertionError</code> that occured when determining installation order, for a very specific combination of upgrading-already-installed-package + change of dependencies + fetching some packages from a package index. This combination was especially common in Read the Docs' builds. (<code>[#10851](pypa/pip#10851) <https://github.com/pypa/pip/issues/10851></code>_)</p> </li> <li> <p>Use <code>html.parser</code> by default, instead of falling back to <code>html5lib</code> when <code>--use-deprecated=html5lib</code> is not passed. (<code>[#10869](pypa/pip#10869) <https://github.com/pypa/pip/issues/10869></code>_)</p> </li> </ul> <h2>Improved Documentation</h2> <ul> <li>Clarify that using per-requirement overrides disables the usage of wheels. (<code>[#9674](pypa/pip#9674) <https://github.com/pypa/pip/issues/9674></code>_)</li> </ul> <h1>22.0.2 (2022-01-30)</h1> <h2>Deprecations and Removals</h2> <ul> <li>Instead of failing on index pages that use non-compliant HTML 5, print a deprecation warning and fall back to <code>html5lib</code>-based parsing for now. This simplifies the migration for non-compliant index pages, by letting such indexes function with a warning. (<code>[#10847](pypa/pip#10847) <https://github.com/pypa/pip/issues/10847></code>_)</li> </ul> <h1>22.0.1 (2022-01-30)</h1> <h2>Bug Fixes</h2> <ul> <li>Accept lowercase <code><!doctype html></code> on index pages. (<code>[#10844](pypa/pip#10844) <https://github.com/pypa/pip/issues/10844></code>_)</li> <li>Properly handle links parsed by html5lib, when using <code>--use-deprecated=html5lib</code>. (<code>[#10846](pypa/pip#10846) <https://github.com/pypa/pip/issues/10846></code>_)</li> </ul> <h1>22.0 (2022-01-29)</h1> <h2>Process</h2> <ul> <li>Completely replace :pypi:<code>tox</code> in our development workflow, with :pypi:<code>nox</code>.</li> </ul> <p>Deprecations and Removals</p> <!-- raw HTML omitted --> </blockquote> <p>... (truncated)</p> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/pypa/pip/commit/44018de50cafba25445a225c1a1986d6312e1ef3"><code>44018de</code></a> Bump for release</li> <li><a href="https://github.com/pypa/pip/commit/65f096c432d60d5f0214793becd592e1c1c3b624"><code>65f096c</code></a> Update AUTHORS.txt</li> <li><a href="https://github.com/pypa/pip/commit/7d50964bcb1b25f9fe2c49fe447ab58aad2b4247"><code>7d50964</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/10876">#10876</a> from mbacchi/vcs_support_typo</li> <li><a href="https://github.com/pypa/pip/commit/ff8dbb458a59905c5462d339a63536257aad497a"><code>ff8dbb4</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/10867">#10867</a> from mauritsvanrees/maurits-topoligical-weights-req...</li> <li><a href="https://github.com/pypa/pip/commit/b3f5cad73241e25a25ce7d50eb9175dbafcfd8db"><code>b3f5cad</code></a> Update news/10851.bugfix.rst</li> <li><a href="https://github.com/pypa/pip/commit/cf4655f474cb8a04fa6b274ee0edaf774546a79b"><code>cf4655f</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/pypa/pip/issues/10869">#10869</a> from pradyunsg/put-html5lib-behind-flag</li> <li><a href="https://github.com/pypa/pip/commit/3608b42ef0ab39a2d50335356644f8f3464f651a"><code>3608b42</code></a> Fix minor typo in vcs support doc</li> <li><a href="https://github.com/pypa/pip/commit/6c92a33b6e22f099edac8f4df594ffe6a18eb6e2"><code>6c92a33</code></a> Place the link as "context" instead of "Link:"</li> <li><a href="https://github.com/pypa/pip/commit/7a3b0f1ae1cc59ae6566694e47887728a7976ab9"><code>7a3b0f1</code></a> 📰</li> <li><a href="https://github.com/pypa/pip/commit/d7fed8fe9382c4f4442d7aa6216f41c8ed6f1ea3"><code>d7fed8f</code></a> Use rich.traceback with debug mode (<a href="https://github-redirect.dependabot.com/pypa/pip/issues/10832">#10832</a>)</li> <li>Additional commits viewable in <a href="https://github.com/pypa/pip/compare/21.3.1...22.0.3">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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Fixes the issue flagged in #10825 (comment).