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<li class="toctree-l1"><a class="reference internal" href="notes/autograd.html">Autograd mechanics</a></li>
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<section id="python-language-reference-coverage">
<span id="python-language-reference"></span><h1>Python Language Reference Coverage<a class="headerlink" href="#python-language-reference-coverage" title="Permalink to this heading">¶</a></h1>
<p>This is a 1:1 mapping of the features listed in <a class="reference external" href="https://docs.python.org/3/reference/">https://docs.python.org/3/reference/</a> and their
support in TorchScript. The categorizations are as follows:</p>
<table class="docutils align-default">
<thead>
<tr class="row-odd"><th class="head"><p>Section</p></th>
<th class="head"><p>Status</p></th>
<th class="head"><p>Note</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/introduction.html">1. Introduction</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/introduction.html#alternate-implementations">1.1. Alternate Implementations</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/introduction.html#notation">1.2. Notation</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#">2. Lexical analysis</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#line-structure">2.1. Line structure</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#logical-lines">2.1.1. Logical lines</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#physical-lines">2.1.2. Physical lines</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#comments">2.1.3. Comments</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#encoding-declarations">2.1.4. Encoding declarations</a></p></td>
<td><p>Not Supported</p></td>
<td><p>TorchScript explicitly don’t support unicode</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#explicit-line-joining">2.1.5. Explicit line joining</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#implicit-line-joining">2.1.6. Implicit line joining</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#blank-lines">2.1.7. Blank lines</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#indentation">2.1.8. Indentation</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#whitespace-between-tokens">2.1.9. Whitespace between tokens</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#other-tokens">2.2. Other tokens</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#identifiers">2.3. Identifiers and keywords</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#keywords">2.3.1. Keywords</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#reserved-classes-of-identifiers">2.3.2. Reserved classes of identifiers</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#literals">2.4. Literals</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#string-and-bytes-literals">2.4.1. String and Bytes literals</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#string-literal-concatenation">2.4.2. String literal concatenation</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#formatted-string-literals">2.4.3. Formatted string literals</a></p></td>
<td><p>Partially Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#numeric-literals">2.4.4. Numeric literals</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#integer-literals">2.4.5. Integer literals</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#floating-point-literals">2.4.6. Floating point literals</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#imaginary-literals">2.4.7. Imaginary literals</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#operators">2.5. Operators</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Not supported: <code class="docutils literal notranslate"><span class="pre"><<</span></code>, <code class="docutils literal notranslate"><span class="pre">>></span></code>, <code class="docutils literal notranslate"><span class="pre">:=</span></code></p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/lexical_analysis.html#delimiters">2.6. Delimiters</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Not supported: <code class="docutils literal notranslate"><span class="pre">**=</span></code>, <code class="docutils literal notranslate"><span class="pre"><<=</span></code>, <code class="docutils literal notranslate"><span class="pre">>>=</span></code>, <code class="docutils literal notranslate"><span class="pre">%=</span></code>, <code class="docutils literal notranslate"><span class="pre">^=</span></code>, <code class="docutils literal notranslate"><span class="pre">@=</span></code>, <code class="docutils literal notranslate"><span class="pre">&=</span></code>, <code class="docutils literal notranslate"><span class="pre">//=</span></code>, <code class="docutils literal notranslate"><span class="pre">%</span></code> operator for some types (e.g. <code class="docutils literal notranslate"><span class="pre">str</span></code>)</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#">3. Data model</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#objects-values-and-types">3.1. Objects, values and types</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#the-standard-type-hierarchy">3.2. The standard type hierarchy</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Not supported: NotImplemented, Ellipsis, numbers.Complex, bytes, byte arrays, sets, frozen sets, generators, coroutines, async generators, modules, I/O objects, internal objects, slice objects ( though slicing is supported), classmethod</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#special-method-names">3.3. Special method names</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#basic-customization">3.3.1. Basic customization</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Not supported: <code class="docutils literal notranslate"><span class="pre">__new__</span></code> , <code class="docutils literal notranslate"><span class="pre">__del__</span></code> , <code class="docutils literal notranslate"><span class="pre">__bytes__</span></code> , <code class="docutils literal notranslate"><span class="pre">__format__</span></code> , <code class="docutils literal notranslate"><span class="pre">__hash__</span></code> ,</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#customizing-attribute-access">3.3.2. Customizing attribute access</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#customizing-module-attribute-access">3.3.2.1. Customizing module attribute access</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#implementing-descriptors">3.3.2.2. Implementing Descriptors</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#invoking-descriptors">3.3.2.3. Invoking Descriptors</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#slots">3.3.2.4. __slots__</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#notes-on-using-slots">3.3.2.4.1. Notes on using __slots__</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#customizing-class-creation">3.3.3. Customizing class creation</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#metaclasses">3.3.3.1. Metaclasses</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#resolving-mro-entries">3.3.3.2. Resolving MRO entries</a></p></td>
<td><p>Not Supported</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">super()</span></code> is not supported</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#determining-the-appropriate-metaclass">3.3.3.3. Determining the appropriate metaclass</a></p></td>
<td><p>Not relevant</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#preparing-the-class-namespace">3.3.3.4. Preparing the class namespace</a></p></td>
<td><p>Not relevant</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#executing-the-class-body">3.3.3.5. Executing the class body</a></p></td>
<td><p>Not relevant</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#creating-the-class-object">3.3.3.6. Creating the class object</a></p></td>
<td><p>Not relevant</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#uses-for-metaclasses">3.3.3.7. Uses for metaclasses</a></p></td>
<td><p>Not relevant</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#customizing-instance-and-subclass-checks">3.3.4. Customizing instance and subclass checks</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#emulating-generic-types">3.3.5. Emulating generic types</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#emulating-callable-objects">3.3.6. Emulating callable objects</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#emulating-container-types">3.3.7. Emulating container types</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Some magic methods not supported (e.g. <code class="docutils literal notranslate"><span class="pre">__iter__</span></code> )</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#emulating-numeric-types">3.3.8. Emulating numeric types</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Magic methods with swapped operands not supported (<code class="docutils literal notranslate"><span class="pre">__r*__</span></code>)</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#with-statement-context-managers">3.3.9. With Statement Context Managers</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#special-method-lookup">3.3.10. Special method lookup</a></p></td>
<td><p>Not relevant</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#coroutines">3.4. Coroutines</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#awaitable-objects">3.4.1. Awaitable Objects</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#coroutine-objects">3.4.2. Coroutine Objects</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#asynchronous-iterators">3.4.3. Asynchronous Iterators</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/datamodel.html#asynchronous-context-managers">3.4.4. Asynchronous Context Managers</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/executionmodel.html#">4. Execution model</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/executionmodel.html#structure-of-a-program">4.1. Structure of a program</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/executionmodel.html#naming-and-binding">4.2. Naming and binding</a></p></td>
<td><p>Not Relevant</p></td>
<td><p>Names are bound at compile time in TorchScript</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/executionmodel.html#binding-of-names">4.2.1. Binding of names</a></p></td>
<td><p>Not Relevant</p></td>
<td><p>See <code class="docutils literal notranslate"><span class="pre">global</span></code> and <code class="docutils literal notranslate"><span class="pre">nonlocal</span></code> statements section</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/executionmodel.html#resolution-of-names">4.2.2. Resolution of names</a></p></td>
<td><p>Not Relevant</p></td>
<td><p>See <code class="docutils literal notranslate"><span class="pre">global</span></code> and <code class="docutils literal notranslate"><span class="pre">nonlocal</span></code> statements section</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/executionmodel.html#builtins-and-restricted-execution">4.2.3. Builtins and restricted execution</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/executionmodel.html#interaction-with-dynamic-features">4.2.4. Interaction with dynamic features</a></p></td>
<td><p>Not Supported</p></td>
<td><p>Python values cannot be captured</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/executionmodel.html#exceptions">4.3. Exceptions</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>See <code class="docutils literal notranslate"><span class="pre">try</span></code> and <code class="docutils literal notranslate"><span class="pre">raise</span></code> statement section</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/import.html">5. The import system</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#">6. Expressions</a></p></td>
<td><p>Not Relevant</p></td>
<td><p>See expressions section</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#arithmetic-conversions">6.1. Arithmetic conversions</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#atoms">6.2. Atoms</a></p></td>
<td><p>Not Relevant</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#atom-identifiers">6.2.1. Identifiers (Names)</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#literals">6.2.2. Literals</a></p></td>
<td><p>Partially Supported</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">bytesliteral</span></code>, <code class="docutils literal notranslate"><span class="pre">imagnumber</span></code> not supported</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#parenthesized-forms">6.2.3. Parenthesized forms</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#displays-for-lists-sets-and-dictionaries">6.2.4. Displays for lists, sets and dictionaries</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Not supported: comprehension ifs, async iterators</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#list-displays">6.2.5. List displays</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#set-displays">6.2.6. Set displays</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#dictionary-displays">6.2.7. Dictionary displays</a></p></td>
<td><p>Supported</p></td>
<td><p>dict() constructor with kwargs doesn’t work, dict comprehensions, dictionary unpacking</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#generator-expressions">6.2.8. Generator expressions</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#yield-expressions">6.2.9. Yield expressions</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#generator-iterator-methods">6.2.9.1. Generator-iterator methods</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#examples">6.2.9.2. Examples</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#asynchronous-generator-functions">6.2.9.3. Asynchronous generator functions</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#asynchronous-generator-iterator-methods">6.2.9.4. Asynchronous generator-iterator methods</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#primaries">6.3. Primaries</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#attribute-references">6.3.1. Attribute references</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#subscriptions">6.3.2. Subscriptions</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#slicings">6.3.3. Slicings</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Tuple slicing with stride is not supported</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#calls">6.3.4. Calls</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Args unpack / kwargs unpack is not supported</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#await-expression">6.4. Await expression</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#the-power-operator">6.5. The power operator</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#unary-arithmetic-and-bitwise-operations">6.6. Unary arithmetic and bitwise operations</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Some bitwise operators are not implemented for primitive types (e.g. <code class="docutils literal notranslate"><span class="pre">~x</span></code> where <code class="docutils literal notranslate"><span class="pre">x</span></code> is an <code class="docutils literal notranslate"><span class="pre">int</span></code> is not currently supported)</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#binary-arithmetic-operations">6.7. Binary arithmetic operations</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>See delimiters section</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#shifting-operations">6.8. Shifting operations</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#binary-bitwise-operations">6.9. Binary bitwise operations</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#comparisons">6.10. Comparisons</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#value-comparisons">6.10.1. Value comparisons</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Dictionary equality checks are not currently supported</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#membership-test-operations">6.10.2. Membership test operations</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Not supported for TorchScript classes</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#is-not">6.10.3. Identity comparisons</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#boolean-operations">6.11. Boolean operations</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#conditional-expressions">6.12. Conditional expressions</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#lambda">6.13. Lambdas</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#expression-lists">6.14. Expression lists</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Iterable unpacking not supported</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#evaluation-order">6.15. Evaluation order</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/expressions.html#operator-precedence">6.16. Operator precedence</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#">7. Simple statements</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#expression-statements">7.1. Expression statements</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#assignment-statements">7.2. Assignment statements</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#augmented-assignment-statements">7.2.1. Augmented assignment statements</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>See delimiters section</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#annotated-assignment-statements">7.2.2. Annotated assignment statements</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#the-assert-statement">7.3. The assert statement</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Exception message is not customizable</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#the-pass-statement">7.4. The pass statement</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#the-del-statement">7.5. The del statement</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#the-return-statement">7.6. The return statement</a></p></td>
<td><p>Supported</p></td>
<td><p>Some other features of returning (e.g. behavior with try..finally) are unsupported</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#the-yield-statement">7.7. The yield statement</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#the-raise-statement">7.8. The raise statement</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>Exception message is not customizable</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#the-break-statement">7.9. The break statement</a></p></td>
<td><p>Supported</p></td>
<td><p>Some other features of returning (e.g. behavior with try..finally) are unsupported</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#the-continue-statement">7.10. The continue statement</a></p></td>
<td><p>Supported</p></td>
<td><p>Some other features of returning (e.g. behavior with try..finally) are unsupported</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#the-import-statement">7.11. The import statement</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#future-statements">7.11.1. Future statements</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#the-global-statement">7.12. The global statement</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/simple_stmts.html#the-nonlocal-statement">7.13. The nonlocal statement</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/compound_stmts.html#">8. Compound statements</a></p></td>
<td><p>Irrelevant</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/compound_stmts.html#the-if-statement">8.1. The if statement</a></p></td>
<td><p>Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/compound_stmts.html#the-while-statement">8.2. The while statement</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>while..else is not supported</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/compound_stmts.html#the-for-statement">8.3. The for statement</a></p></td>
<td><p>Partially Supported</p></td>
<td><p>for..else is not supported</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/compound_stmts.html#the-try-statement">8.4. The try statement</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/compound_stmts.html#the-with-statement">8.5. The with statement</a></p></td>
<td><p>Partially Supported</p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">__exit__</span></code> is always called with <code class="docutils literal notranslate"><span class="pre">exc_type</span></code>, <code class="docutils literal notranslate"><span class="pre">exc_value</span></code>, and <code class="docutils literal notranslate"><span class="pre">traceback</span></code> set to None, even if an exception was raised, and <code class="docutils literal notranslate"><span class="pre">__exit__</span></code>’s return value is ignored.</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/compound_stmts.html#function-definitions">8.6. Function definitions</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/compound_stmts.html#class-definitions">8.7. Class definitions</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/compound_stmts.html#coroutines">8.8. Coroutines</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://docs.python.org/3/reference/compound_stmts.html#coroutine-function-definition">8.8.1. Coroutine function definition</a></p></td>
<td><p>Not Supported</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://docs.python.org/3/reference/compound_stmts.html#the-async-for-statement">8.8.2. The async for statement</a></p></td>