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class="sig-name descname"><span class="pre">GlobalNameConflictError</span></span><a class="reference external" href="https://github.com/python-discord/bot-core/blob/ba5a37c84d7d5c92e583b2dd93bcd78c81e7b51d/pydis_core/utils/function.py#L18-L20"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pydis_core.utils.function.GlobalNameConflictError" title="Link to this definition">#</a></dt> +<dd><p>Bases: <a class="reference external" href="https://docs.python.org/3/library/exceptions.html#Exception" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">Exception</span></code></a></p> +<p>Raised on a conflict between the globals used to resolve annotations of a wrapped function and its wrapper.</p> +</dd></dl> + +<dl class="py function"> +<dt class="sig sig-object py" id="pydis_core.utils.function.command_wraps"> +<span class="sig-name descname"><span class="pre">command_wraps</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">wrapped</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">assigned</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">('__module__',</span> <span class="pre">'__name__',</span> <span class="pre">'__qualname__',</span> <span class="pre">'__doc__',</span> <span class="pre">'__annotations__')</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">updated</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">('__dict__',)</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">*</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">ignored_conflict_names</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">frozenset({})</span></span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/python-discord/bot-core/blob/ba5a37c84d7d5c92e583b2dd93bcd78c81e7b51d/pydis_core/utils/function.py#L81-L112"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pydis_core.utils.function.command_wraps" title="Link to this definition">#</a></dt> +<dd><p>Update the decorated function to look like <code class="docutils literal notranslate"><span class="pre">wrapped</span></code>, and update globals for discord.py forwardref evaluation.</p> +<p>See <a class="reference internal" href="#pydis_core.utils.function.update_wrapper_globals" title="pydis_core.utils.function.update_wrapper_globals"><code class="xref py py-func docutils literal notranslate"><span class="pre">update_wrapper_globals()</span></code></a> for more details on how the globals are updated.</p> +<dl class="field-list simple"> +<dt class="field-odd">Parameters<span class="colon">:</span></dt> +<dd class="field-odd"><ul class="simple"> +<li><p><strong>wrapped</strong> (<span class="sphinx_autodoc_typehints-type"><a class="reference external" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.Callable" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">Callable</span></code></a>[[<a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.ParamSpec" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">ParamSpec</span></code></a>(<code class="docutils literal notranslate"><span class="pre">_P</span></code>)], <a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.TypeVar" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">TypeVar</span></code></a>(<code class="docutils literal notranslate"><span class="pre">_R</span></code>)]</span>) – The function to wrap with.</p></li> +<li><p><strong>assigned</strong> (<span class="sphinx_autodoc_typehints-type"><a class="reference external" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.Sequence" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">Sequence</span></code></a>[<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a>]</span>) – Sequence of attribute names that are directly assigned from <code class="docutils literal notranslate"><span class="pre">wrapped</span></code> to <code class="docutils literal notranslate"><span class="pre">wrapper</span></code>.</p></li> +<li><p><strong>updated</strong> (<span class="sphinx_autodoc_typehints-type"><a class="reference external" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.Sequence" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">Sequence</span></code></a>[<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a>]</span>) – Sequence of attribute names that are <code class="docutils literal notranslate"><span class="pre">.update``d</span> <span class="pre">on</span> <span class="pre">``wrapper</span></code> from the attributes on <code class="docutils literal notranslate"><span class="pre">wrapped</span></code>.</p></li> +<li><p><strong>ignored_conflict_names</strong> (<span class="sphinx_autodoc_typehints-type"><a class="reference external" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.Set" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">Set</span></code></a>[<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a>]</span>) – A set of names to ignore if a conflict between them is found.</p></li> +</ul> +</dd> +<dt class="field-even">Return type<span class="colon">:</span></dt> +<dd class="field-even"><p><span class="sphinx_autodoc_typehints-type"><a class="reference external" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.Callable" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">Callable</span></code></a>[[<a class="reference external" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.Callable" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">Callable</span></code></a>[[<a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.ParamSpec" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">ParamSpec</span></code></a>(<code class="docutils literal notranslate"><span class="pre">_P</span></code>)], <a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.TypeVar" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">TypeVar</span></code></a>(<code class="docutils literal notranslate"><span class="pre">_R</span></code>)]], <a class="reference external" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.Callable" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">Callable</span></code></a>[[<a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.ParamSpec" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">ParamSpec</span></code></a>(<code class="docutils literal notranslate"><span class="pre">_P</span></code>)], <a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.TypeVar" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">TypeVar</span></code></a>(<code class="docutils literal notranslate"><span class="pre">_R</span></code>)]]</span></p> +</dd> +<dt class="field-odd">Returns<span class="colon">:</span></dt> +<dd class="field-odd"><p>A decorator that behaves like <a class="reference external" href="https://docs.python.org/3/library/functools.html#functools.wraps" title="(in Python v3.12)"><code class="xref py py-func docutils literal notranslate"><span class="pre">functools.wraps()</span></code></a>, +with the wrapper replaced with the function <a class="reference internal" href="#pydis_core.utils.function.update_wrapper_globals" title="pydis_core.utils.function.update_wrapper_globals"><code class="xref py py-func docutils literal notranslate"><span class="pre">update_wrapper_globals()</span></code></a> returned.</p> +</dd> +</dl> +</dd></dl> + +<dl class="py function"> +<dt class="sig sig-object py" id="pydis_core.utils.function.update_wrapper_globals"> +<span class="sig-name descname"><span class="pre">update_wrapper_globals</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">wrapper</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">wrapped</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">*</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">ignored_conflict_names</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">frozenset({})</span></span></em><span class="sig-paren">)</span><a class="reference external" href="https://github.com/python-discord/bot-core/blob/ba5a37c84d7d5c92e583b2dd93bcd78c81e7b51d/pydis_core/utils/function.py#L22-L79"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pydis_core.utils.function.update_wrapper_globals" title="Link to this definition">#</a></dt> +<dd><p>Create a copy of <code class="docutils literal notranslate"><span class="pre">wrapper</span></code>, the copy’s globals are updated with <code class="docutils literal notranslate"><span class="pre">wrapped</span></code>'s globals.</p> +<p>For forwardrefs in command annotations, discord.py uses the <code class="docutils literal notranslate"><span class="pre">__global__</span></code> attribute of the function +to resolve their values. This breaks for decorators that replace the function because they have +their own globals.</p> +<div class="admonition warning"> +<p class="admonition-title">Warning</p> +<p>This function captures the state of <code class="docutils literal notranslate"><span class="pre">wrapped</span></code>'s module’s globals when it’s called; +changes won’t be reflected in the new function’s globals.</p> +</div> +<dl class="field-list simple"> +<dt class="field-odd">Parameters<span class="colon">:</span></dt> +<dd class="field-odd"><ul class="simple"> +<li><p><strong>wrapper</strong> (<span class="sphinx_autodoc_typehints-type"><a class="reference external" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.Callable" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">Callable</span></code></a>[[<a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.ParamSpec" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">ParamSpec</span></code></a>(<code class="docutils literal notranslate"><span class="pre">_P</span></code>)], <a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.TypeVar" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">TypeVar</span></code></a>(<code class="docutils literal notranslate"><span class="pre">_R</span></code>)]</span>) – The function to wrap.</p></li> +<li><p><strong>wrapped</strong> (<span class="sphinx_autodoc_typehints-type"><a class="reference external" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.Callable" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">Callable</span></code></a>[[<a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.ParamSpec" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">ParamSpec</span></code></a>(<code class="docutils literal notranslate"><span class="pre">_P</span></code>)], <a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.TypeVar" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">TypeVar</span></code></a>(<code class="docutils literal notranslate"><span class="pre">_R</span></code>)]</span>) – The function to wrap with.</p></li> +<li><p><strong>ignored_conflict_names</strong> (<span class="sphinx_autodoc_typehints-type"><a class="reference external" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.Set" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">Set</span></code></a>[<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a>]</span>) – A set of names to ignore if a conflict between them is found.</p></li> +</ul> +</dd> +<dt class="field-even">Raises<span class="colon">:</span></dt> +<dd class="field-even"><p><a class="reference internal" href="#pydis_core.utils.function.GlobalNameConflictError" title="pydis_core.utils.function.GlobalNameConflictError"><strong>GlobalNameConflictError</strong></a> – If <code class="docutils literal notranslate"><span class="pre">wrapper</span></code> and <code class="docutils literal notranslate"><span class="pre">wrapped</span></code> share a global name that’s also used in <code class="docutils literal notranslate"><span class="pre">wrapped</span></code>'s typehints, + and is not in <code class="docutils literal notranslate"><span class="pre">ignored_conflict_names</span></code>.</p> +</dd> +<dt class="field-odd">Return type<span class="colon">:</span></dt> +<dd class="field-odd"><p><span class="sphinx_autodoc_typehints-type"><a class="reference external" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.Callable" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">Callable</span></code></a>[[<a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.ParamSpec" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">ParamSpec</span></code></a>(<code class="docutils literal notranslate"><span class="pre">_P</span></code>)], <a class="reference external" href="https://docs.python.org/3/library/typing.html#typing.TypeVar" title="(in Python v3.12)"><code class="xref py py-class docutils literal notranslate"><span class="pre">TypeVar</span></code></a>(<code class="docutils literal notranslate"><span class="pre">_R</span></code>)]</span></p> +</dd> +</dl> +</dd></dl> + +</section> + + </article> 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