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<h1>Source code for composer.http_client</h1><div class="highlight"><pre>
<span></span><span class="c1">#</span>
<span class="c1"># Copyright (C) 2018 Red Hat, Inc.</span>
<span class="c1">#</span>
<span class="c1"># This program is free software; you can redistribute it and/or modify</span>
<span class="c1"># it under the terms of the GNU General Public License as published by</span>
<span class="c1"># the Free Software Foundation; either version 2 of the License, or</span>
<span class="c1"># (at your option) any later version.</span>
<span class="c1">#</span>
<span class="c1"># This program is distributed in the hope that it will be useful,</span>
<span class="c1"># but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="c1"># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span class="c1"># GNU General Public License for more details.</span>
<span class="c1">#</span>
<span class="c1"># You should have received a copy of the GNU General Public License</span>
<span class="c1"># along with this program. If not, see <http://www.gnu.org/licenses/>.</span>
<span class="c1">#</span>
<span class="kn">import</span> <span class="nn">logging</span>
<span class="n">log</span> <span class="o">=</span> <span class="n">logging</span><span class="o">.</span><span class="n">getLogger</span><span class="p">(</span><span class="s2">"composer-cli"</span><span class="p">)</span>
<span class="kn">import</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">sys</span>
<span class="kn">import</span> <span class="nn">json</span>
<span class="kn">from</span> <span class="nn">urllib.parse</span> <span class="kn">import</span> <span class="n">urlparse</span><span class="p">,</span> <span class="n">urlunparse</span>
<span class="kn">from</span> <span class="nn">composer.unix_socket</span> <span class="kn">import</span> <span class="n">UnixHTTPConnectionPool</span>
<div class="viewcode-block" id="api_url"><a class="viewcode-back" href="../../composer.html#composer.http_client.api_url">[docs]</a><span class="k">def</span> <span class="nf">api_url</span><span class="p">(</span><span class="n">api_version</span><span class="p">,</span> <span class="n">url</span><span class="p">):</span>
<span class="sd">"""Return the versioned path to the API route</span>
<span class="sd"> :param api_version: The version of the API to talk to. eg. "0"</span>
<span class="sd"> :type api_version: str</span>
<span class="sd"> :param url: The API route to talk to</span>
<span class="sd"> :type url: str</span>
<span class="sd"> :returns: The full url to use for the route and API version</span>
<span class="sd"> :rtype: str</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">normpath</span><span class="p">(</span><span class="s2">"/api/v</span><span class="si">%s</span><span class="s2">/</span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">api_version</span><span class="p">,</span> <span class="n">url</span><span class="p">))</span></div>
<div class="viewcode-block" id="append_query"><a class="viewcode-back" href="../../composer.html#composer.http_client.append_query">[docs]</a><span class="k">def</span> <span class="nf">append_query</span><span class="p">(</span><span class="n">url</span><span class="p">,</span> <span class="n">query</span><span class="p">):</span>
<span class="sd">"""Add a query argument to a URL</span>
<span class="sd"> The query should be of the form "param1=what&param2=ever", i.e., no</span>
<span class="sd"> leading '?'. The new query data will be appended to any existing</span>
<span class="sd"> query string.</span>
<span class="sd"> :param url: The original URL</span>
<span class="sd"> :type url: str</span>
<span class="sd"> :param query: The query to append</span>
<span class="sd"> :type query: str</span>
<span class="sd"> :returns: The new URL with the query argument included</span>
<span class="sd"> :rtype: str</span>
<span class="sd"> """</span>
<span class="n">url_parts</span> <span class="o">=</span> <span class="n">urlparse</span><span class="p">(</span><span class="n">url</span><span class="p">)</span>
<span class="k">if</span> <span class="n">url_parts</span><span class="o">.</span><span class="n">query</span><span class="p">:</span>
<span class="n">new_query</span> <span class="o">=</span> <span class="n">url_parts</span><span class="o">.</span><span class="n">query</span> <span class="o">+</span> <span class="s2">"&"</span> <span class="o">+</span> <span class="n">query</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">new_query</span> <span class="o">=</span> <span class="n">query</span>
<span class="k">return</span> <span class="n">urlunparse</span><span class="p">([</span><span class="n">url_parts</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">url_parts</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="n">url_parts</span><span class="p">[</span><span class="mi">2</span><span class="p">],</span>
<span class="n">url_parts</span><span class="p">[</span><span class="mi">3</span><span class="p">],</span> <span class="n">new_query</span><span class="p">,</span> <span class="n">url_parts</span><span class="p">[</span><span class="mi">5</span><span class="p">]])</span></div>
<div class="viewcode-block" id="get_url_raw"><a class="viewcode-back" href="../../composer.html#composer.http_client.get_url_raw">[docs]</a><span class="k">def</span> <span class="nf">get_url_raw</span><span class="p">(</span><span class="n">socket_path</span><span class="p">,</span> <span class="n">url</span><span class="p">):</span>
<span class="sd">"""Return the raw results of a GET request</span>
<span class="sd"> :param socket_path: Path to the Unix socket to use for API communication</span>
<span class="sd"> :type socket_path: str</span>
<span class="sd"> :param url: URL to request</span>
<span class="sd"> :type url: str</span>
<span class="sd"> :returns: The raw response from the server</span>
<span class="sd"> :rtype: str</span>
<span class="sd"> """</span>
<span class="n">http</span> <span class="o">=</span> <span class="n">UnixHTTPConnectionPool</span><span class="p">(</span><span class="n">socket_path</span><span class="p">)</span>
<span class="n">r</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">"GET"</span><span class="p">,</span> <span class="n">url</span><span class="p">)</span>
<span class="k">if</span> <span class="n">r</span><span class="o">.</span><span class="n">status</span> <span class="o">==</span> <span class="mi">400</span><span class="p">:</span>
<span class="n">err</span> <span class="o">=</span> <span class="n">json</span><span class="o">.</span><span class="n">loads</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s2">"utf-8"</span><span class="p">))</span>
<span class="k">if</span> <span class="s2">"status"</span> <span class="ow">in</span> <span class="n">err</span> <span class="ow">and</span> <span class="n">err</span><span class="p">[</span><span class="s2">"status"</span><span class="p">]</span> <span class="o">==</span> <span class="kc">False</span><span class="p">:</span>
<span class="n">msgs</span> <span class="o">=</span> <span class="p">[</span><span class="n">e</span><span class="p">[</span><span class="s2">"msg"</span><span class="p">]</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">err</span><span class="p">[</span><span class="s2">"errors"</span><span class="p">]]</span>
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s2">", "</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">msgs</span><span class="p">))</span>
<span class="k">return</span> <span class="n">r</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s1">'utf-8'</span><span class="p">)</span></div>
<div class="viewcode-block" id="get_url_json"><a class="viewcode-back" href="../../composer.html#composer.http_client.get_url_json">[docs]</a><span class="k">def</span> <span class="nf">get_url_json</span><span class="p">(</span><span class="n">socket_path</span><span class="p">,</span> <span class="n">url</span><span class="p">):</span>
<span class="sd">"""Return the JSON results of a GET request</span>
<span class="sd"> :param socket_path: Path to the Unix socket to use for API communication</span>
<span class="sd"> :type socket_path: str</span>
<span class="sd"> :param url: URL to request</span>
<span class="sd"> :type url: str</span>
<span class="sd"> :returns: The json response from the server</span>
<span class="sd"> :rtype: dict</span>
<span class="sd"> """</span>
<span class="n">http</span> <span class="o">=</span> <span class="n">UnixHTTPConnectionPool</span><span class="p">(</span><span class="n">socket_path</span><span class="p">)</span>
<span class="n">r</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">"GET"</span><span class="p">,</span> <span class="n">url</span><span class="p">)</span>
<span class="k">return</span> <span class="n">json</span><span class="o">.</span><span class="n">loads</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s1">'utf-8'</span><span class="p">))</span></div>
<div class="viewcode-block" id="get_url_json_unlimited"><a class="viewcode-back" href="../../composer.html#composer.http_client.get_url_json_unlimited">[docs]</a><span class="k">def</span> <span class="nf">get_url_json_unlimited</span><span class="p">(</span><span class="n">socket_path</span><span class="p">,</span> <span class="n">url</span><span class="p">,</span> <span class="n">total_fn</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="sd">"""Return the JSON results of a GET request</span>
<span class="sd"> For URLs that use offset/limit arguments, this command will</span>
<span class="sd"> fetch all results for the given request.</span>
<span class="sd"> :param socket_path: Path to the Unix socket to use for API communication</span>
<span class="sd"> :type socket_path: str</span>
<span class="sd"> :param url: URL to request</span>
<span class="sd"> :type url: str</span>
<span class="sd"> :returns: The json response from the server</span>
<span class="sd"> :rtype: dict</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="nf">default_total_fn</span><span class="p">(</span><span class="n">data</span><span class="p">):</span>
<span class="sd">"""Return the total number of available results"""</span>
<span class="k">return</span> <span class="n">data</span><span class="p">[</span><span class="s2">"total"</span><span class="p">]</span>
<span class="n">http</span> <span class="o">=</span> <span class="n">UnixHTTPConnectionPool</span><span class="p">(</span><span class="n">socket_path</span><span class="p">)</span>
<span class="c1"># Start with limit=0 to just get the number of objects</span>
<span class="n">total_url</span> <span class="o">=</span> <span class="n">append_query</span><span class="p">(</span><span class="n">url</span><span class="p">,</span> <span class="s2">"limit=0"</span><span class="p">)</span>
<span class="n">r_total</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">"GET"</span><span class="p">,</span> <span class="n">total_url</span><span class="p">)</span>
<span class="n">json_total</span> <span class="o">=</span> <span class="n">json</span><span class="o">.</span><span class="n">loads</span><span class="p">(</span><span class="n">r_total</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s1">'utf-8'</span><span class="p">))</span>
<span class="c1"># Where to get the total from</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">total_fn</span><span class="p">:</span>
<span class="n">total_fn</span> <span class="o">=</span> <span class="n">default_total_fn</span>
<span class="c1"># Add the "total" returned by limit=0 as the new limit</span>
<span class="n">unlimited_url</span> <span class="o">=</span> <span class="n">append_query</span><span class="p">(</span><span class="n">url</span><span class="p">,</span> <span class="s2">"limit=</span><span class="si">%d</span><span class="s2">"</span> <span class="o">%</span> <span class="n">total_fn</span><span class="p">(</span><span class="n">json_total</span><span class="p">))</span>
<span class="n">r_unlimited</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">"GET"</span><span class="p">,</span> <span class="n">unlimited_url</span><span class="p">)</span>
<span class="k">return</span> <span class="n">json</span><span class="o">.</span><span class="n">loads</span><span class="p">(</span><span class="n">r_unlimited</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s1">'utf-8'</span><span class="p">))</span></div>
<div class="viewcode-block" id="delete_url_json"><a class="viewcode-back" href="../../composer.html#composer.http_client.delete_url_json">[docs]</a><span class="k">def</span> <span class="nf">delete_url_json</span><span class="p">(</span><span class="n">socket_path</span><span class="p">,</span> <span class="n">url</span><span class="p">):</span>
<span class="sd">"""Send a DELETE request to the url and return JSON response</span>
<span class="sd"> :param socket_path: Path to the Unix socket to use for API communication</span>
<span class="sd"> :type socket_path: str</span>
<span class="sd"> :param url: URL to send DELETE to</span>
<span class="sd"> :type url: str</span>
<span class="sd"> :returns: The json response from the server</span>
<span class="sd"> :rtype: dict</span>
<span class="sd"> """</span>
<span class="n">http</span> <span class="o">=</span> <span class="n">UnixHTTPConnectionPool</span><span class="p">(</span><span class="n">socket_path</span><span class="p">)</span>
<span class="n">r</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">"DELETE"</span><span class="p">,</span> <span class="n">url</span><span class="p">)</span>
<span class="k">return</span> <span class="n">json</span><span class="o">.</span><span class="n">loads</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s2">"utf-8"</span><span class="p">))</span></div>
<div class="viewcode-block" id="post_url"><a class="viewcode-back" href="../../composer.html#composer.http_client.post_url">[docs]</a><span class="k">def</span> <span class="nf">post_url</span><span class="p">(</span><span class="n">socket_path</span><span class="p">,</span> <span class="n">url</span><span class="p">,</span> <span class="n">body</span><span class="p">):</span>
<span class="sd">"""POST raw data to the URL</span>
<span class="sd"> :param socket_path: Path to the Unix socket to use for API communication</span>
<span class="sd"> :type socket_path: str</span>
<span class="sd"> :param url: URL to send POST to</span>
<span class="sd"> :type url: str</span>
<span class="sd"> :param body: The data for the body of the POST</span>
<span class="sd"> :type body: str</span>
<span class="sd"> :returns: The json response from the server</span>
<span class="sd"> :rtype: dict</span>
<span class="sd"> """</span>
<span class="n">http</span> <span class="o">=</span> <span class="n">UnixHTTPConnectionPool</span><span class="p">(</span><span class="n">socket_path</span><span class="p">)</span>
<span class="n">r</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">"POST"</span><span class="p">,</span> <span class="n">url</span><span class="p">,</span>
<span class="n">body</span><span class="o">=</span><span class="n">body</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s2">"utf-8"</span><span class="p">))</span>
<span class="k">return</span> <span class="n">json</span><span class="o">.</span><span class="n">loads</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s2">"utf-8"</span><span class="p">))</span></div>
<div class="viewcode-block" id="post_url_toml"><a class="viewcode-back" href="../../composer.html#composer.http_client.post_url_toml">[docs]</a><span class="k">def</span> <span class="nf">post_url_toml</span><span class="p">(</span><span class="n">socket_path</span><span class="p">,</span> <span class="n">url</span><span class="p">,</span> <span class="n">body</span><span class="p">):</span>
<span class="sd">"""POST a TOML string to the URL</span>
<span class="sd"> :param socket_path: Path to the Unix socket to use for API communication</span>
<span class="sd"> :type socket_path: str</span>
<span class="sd"> :param url: URL to send POST to</span>
<span class="sd"> :type url: str</span>
<span class="sd"> :param body: The data for the body of the POST</span>
<span class="sd"> :type body: str</span>
<span class="sd"> :returns: The json response from the server</span>
<span class="sd"> :rtype: dict</span>
<span class="sd"> """</span>
<span class="n">http</span> <span class="o">=</span> <span class="n">UnixHTTPConnectionPool</span><span class="p">(</span><span class="n">socket_path</span><span class="p">)</span>
<span class="n">r</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">"POST"</span><span class="p">,</span> <span class="n">url</span><span class="p">,</span>
<span class="n">body</span><span class="o">=</span><span class="n">body</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s2">"utf-8"</span><span class="p">),</span>
<span class="n">headers</span><span class="o">=</span><span class="p">{</span><span class="s2">"Content-Type"</span><span class="p">:</span> <span class="s2">"text/x-toml"</span><span class="p">})</span>
<span class="k">return</span> <span class="n">json</span><span class="o">.</span><span class="n">loads</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s2">"utf-8"</span><span class="p">))</span></div>
<div class="viewcode-block" id="post_url_json"><a class="viewcode-back" href="../../composer.html#composer.http_client.post_url_json">[docs]</a><span class="k">def</span> <span class="nf">post_url_json</span><span class="p">(</span><span class="n">socket_path</span><span class="p">,</span> <span class="n">url</span><span class="p">,</span> <span class="n">body</span><span class="p">):</span>
<span class="sd">"""POST some JSON data to the URL</span>
<span class="sd"> :param socket_path: Path to the Unix socket to use for API communication</span>
<span class="sd"> :type socket_path: str</span>
<span class="sd"> :param url: URL to send POST to</span>
<span class="sd"> :type url: str</span>
<span class="sd"> :param body: The data for the body of the POST</span>
<span class="sd"> :type body: str</span>
<span class="sd"> :returns: The json response from the server</span>
<span class="sd"> :rtype: dict</span>
<span class="sd"> """</span>
<span class="n">http</span> <span class="o">=</span> <span class="n">UnixHTTPConnectionPool</span><span class="p">(</span><span class="n">socket_path</span><span class="p">)</span>
<span class="n">r</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">"POST"</span><span class="p">,</span> <span class="n">url</span><span class="p">,</span>
<span class="n">body</span><span class="o">=</span><span class="n">body</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s2">"utf-8"</span><span class="p">),</span>
<span class="n">headers</span><span class="o">=</span><span class="p">{</span><span class="s2">"Content-Type"</span><span class="p">:</span> <span class="s2">"application/json"</span><span class="p">})</span>
<span class="k">return</span> <span class="n">json</span><span class="o">.</span><span class="n">loads</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s2">"utf-8"</span><span class="p">))</span></div>
<div class="viewcode-block" id="get_filename"><a class="viewcode-back" href="../../composer.html#composer.http_client.get_filename">[docs]</a><span class="k">def</span> <span class="nf">get_filename</span><span class="p">(</span><span class="n">headers</span><span class="p">):</span>
<span class="sd">"""Get the filename from the response header</span>
<span class="sd"> :param response: The urllib3 response object</span>
<span class="sd"> :type response: Response</span>
<span class="sd"> :raises: RuntimeError if it cannot find a filename in the header</span>
<span class="sd"> :returns: Filename from content-disposition header</span>
<span class="sd"> :rtype: str</span>
<span class="sd"> """</span>
<span class="n">log</span><span class="o">.</span><span class="n">debug</span><span class="p">(</span><span class="s2">"Headers = </span><span class="si">%s</span><span class="s2">"</span><span class="p">,</span> <span class="n">headers</span><span class="p">)</span>
<span class="k">if</span> <span class="s2">"content-disposition"</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">headers</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s2">"No Content-Disposition header; cannot get filename"</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">k</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">v</span> <span class="o">=</span> <span class="n">headers</span><span class="p">[</span><span class="s2">"content-disposition"</span><span class="p">]</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">";"</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span><span class="o">.</span><span class="n">partition</span><span class="p">(</span><span class="s2">"="</span><span class="p">)</span>
<span class="k">if</span> <span class="n">k</span> <span class="o">!=</span> <span class="s2">"filename"</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s2">"No filename= found in content-disposition header"</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">RuntimeError</span><span class="p">:</span>
<span class="k">raise</span>
<span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s2">"Error parsing filename from content-disposition header: </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span>
<span class="k">return</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">basename</span><span class="p">(</span><span class="n">v</span><span class="p">)</span></div>
<div class="viewcode-block" id="download_file"><a class="viewcode-back" href="../../composer.html#composer.http_client.download_file">[docs]</a><span class="k">def</span> <span class="nf">download_file</span><span class="p">(</span><span class="n">socket_path</span><span class="p">,</span> <span class="n">url</span><span class="p">,</span> <span class="n">progress</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
<span class="sd">"""Download a file, saving it to the CWD with the included filename</span>
<span class="sd"> :param socket_path: Path to the Unix socket to use for API communication</span>
<span class="sd"> :type socket_path: str</span>
<span class="sd"> :param url: URL to send POST to</span>
<span class="sd"> :type url: str</span>
<span class="sd"> """</span>
<span class="n">http</span> <span class="o">=</span> <span class="n">UnixHTTPConnectionPool</span><span class="p">(</span><span class="n">socket_path</span><span class="p">)</span>
<span class="n">r</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">"GET"</span><span class="p">,</span> <span class="n">url</span><span class="p">,</span> <span class="n">preload_content</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
<span class="k">if</span> <span class="n">r</span><span class="o">.</span><span class="n">status</span> <span class="o">==</span> <span class="mi">400</span><span class="p">:</span>
<span class="n">err</span> <span class="o">=</span> <span class="n">json</span><span class="o">.</span><span class="n">loads</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s2">"utf-8"</span><span class="p">))</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">err</span><span class="p">[</span><span class="s2">"status"</span><span class="p">]:</span>
<span class="n">msgs</span> <span class="o">=</span> <span class="p">[</span><span class="n">e</span><span class="p">[</span><span class="s2">"msg"</span><span class="p">]</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">err</span><span class="p">[</span><span class="s2">"errors"</span><span class="p">]]</span>
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s2">", "</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">msgs</span><span class="p">))</span>
<span class="n">filename</span> <span class="o">=</span> <span class="n">get_filename</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">headers</span><span class="p">)</span>
<span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="n">filename</span><span class="p">):</span>
<span class="n">msg</span> <span class="o">=</span> <span class="s2">"</span><span class="si">%s</span><span class="s2"> exists, skipping download"</span> <span class="o">%</span> <span class="n">filename</span>
<span class="n">log</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="n">msg</span><span class="p">)</span>
<span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">filename</span><span class="p">,</span> <span class="s2">"wb"</span><span class="p">)</span> <span class="k">as</span> <span class="n">f</span><span class="p">:</span>
<span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
<span class="n">data</span> <span class="o">=</span> <span class="n">r</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">10</span> <span class="o">*</span> <span class="mi">1024</span><span class="o">**</span><span class="mi">2</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">data</span><span class="p">:</span>
<span class="k">break</span>
<span class="n">f</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">data</span><span class="p">)</span>
<span class="k">if</span> <span class="n">progress</span><span class="p">:</span>
<span class="n">data_written</span> <span class="o">=</span> <span class="n">f</span><span class="o">.</span><span class="n">tell</span><span class="p">()</span>
<span class="k">if</span> <span class="n">data_written</span> <span class="o">></span> <span class="mi">5</span> <span class="o">*</span> <span class="mi">1024</span><span class="o">**</span><span class="mi">2</span><span class="p">:</span>
<span class="n">sys</span><span class="o">.</span><span class="n">stdout</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">"</span><span class="si">%s</span><span class="s2">: </span><span class="si">%0.2f</span><span class="s2"> MB </span><span class="se">\r</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">filename</span><span class="p">,</span> <span class="n">data_written</span> <span class="o">/</span> <span class="mi">1024</span><span class="o">**</span><span class="mi">2</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">sys</span><span class="o">.</span><span class="n">stdout</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">"</span><span class="si">%s</span><span class="s2">: </span><span class="si">%0.2f</span><span class="s2"> kB</span><span class="se">\r</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">filename</span><span class="p">,</span> <span class="n">data_written</span> <span class="o">/</span> <span class="mi">1024</span><span class="p">))</span>
<span class="n">sys</span><span class="o">.</span><span class="n">stdout</span><span class="o">.</span><span class="n">flush</span><span class="p">()</span>
<span class="nb">print</span><span class="p">(</span><span class="s2">""</span><span class="p">)</span>
<span class="n">r</span><span class="o">.</span><span class="n">release_conn</span><span class="p">()</span>
<span class="k">return</span> <span class="mi">0</span></div>
</pre></div>
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