<ul dir="auto">
<li>If <code class="notranslate">mode == 'w'</code> and <code class="notranslate">warn==True</code> then weird <code class="notranslate">raw_input</code> is requested. Change this to raise/warn as appropriate</li>
<li>change the <code class="notranslate">_quiet</code> field (default is <code class="notranslate">False</code>) to a warning (about duplicates in readback)</li>
</ul>
<p dir="auto">In <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="187096549" data-permission-text="Title is private" data-url="https://github.com/pandas-dev/pandas/issues/14576" data-hovercard-type="pull_request" data-hovercard-url="/pandas-dev/pandas/pull/14576/hovercard" href="https://github.com/pandas-dev/pandas/pull/14576">#14576</a>, we consolidated compression code and introduced support for compressed URLs beyond just gzip. However, as described in <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="187096549" data-permission-text="Title is private" data-url="https://github.com/pandas-dev/pandas/issues/14576" data-hovercard-type="pull_request" data-hovercard-url="/pandas-dev/pandas/pull/14576/hovercard?comment_id=264963575&amp;comment_type=issue_comment" href="https://github.com/pandas-dev/pandas/pull/14576#issuecomment-264963575">#14576 (comment)</a>, the c-engine cannot read bz2-compressed URLs in python 2. This error is coming from <a href="https://github.com/pandas-dev/pandas/blob/b3dd9bafbfcbac1a2b6ab756e588d6e167f90439/pandas/parser.pyx#L615-L621"><code class="notranslate">parser.pyx#L615-L621</code></a>. There may be potential to entirely bypass this offending code as it appears to duplicate the functionality of <code class="notranslate">_get_handle</code>.</p>