1. Introduction |
Not Relevant |
|
1.1. Alternate Implementations |
Not Relevant |
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1.2. Notation |
Not Relevant |
|
2. Lexical analysis |
Not Relevant |
|
2.1. Line structure |
Not Relevant |
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2.1.1. Logical lines |
Not Relevant |
|
2.1.2. Physical lines |
支持 |
|
2.1.3. Comments |
支持 |
|
2.1.4. Encoding declarations |
Not Supported |
TorchScript 明确不支持 Unicode |
2.1.5. Explicit line joining |
支持 |
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2.1.6. Implicit line joining |
支持 |
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2.1.7. Blank lines |
支持 |
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2.1.8. Indentation |
支持 |
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2.1.9. Whitespace between tokens |
Not Relevant |
|
2.2. Other tokens |
Not Relevant |
|
2.3. Identifiers and keywords |
支持 |
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2.3.1. Keywords |
支持 |
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2.3.2. Reserved classes of identifiers |
支持 |
|
2.4. Literals |
Not Relevant |
|
2.4.1. String and Bytes literals |
支持 |
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2.4.2. String literal concatenation |
支持 |
|
2.4.3. Formatted string literals |
Partially Supported |
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2.4.4. Numeric literals |
支持 |
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2.4.5. Integer literals |
支持 |
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2.4.6. Floating point literals |
支持 |
|
2.4.7. Imaginary literals |
Not Supported |
|
2.5. Operators |
Partially Supported |
Not supported: <<, >>, := |
2.6. Delimiters |
Partially Supported |
Not supported: **=, <<=, >>=, %=, ^=, @=, &=, //=, % operator for some types (e.g. str) |
3. Data model |
Not Relevant |
|
3.1. Objects, values and types |
Not Relevant |
|
3.2. The standard type hierarchy |
Partially Supported |
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 |
3.3. Special method names |
支持 |
|
3.3.1. Basic customization |
Partially Supported |
Not supported: __new__ , __del__ , __bytes__ , __format__ , __hash__ , |
3.3.2. Customizing attribute access |
Not Supported |
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3.3.2.1. Customizing module attribute access |
Not Supported |
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3.3.2.2. Implementing Descriptors |
Not Supported |
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3.3.2.3. Invoking Descriptors |
Not Supported |
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3.3.2.4. __slots__ |
Not Supported |
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3.3.2.4.1. Notes on using __slots__ |
Not Supported |
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3.3.3. Customizing class creation |
Not Supported |
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3.3.3.1. Metaclasses |
Not Supported |
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3.3.3.2. Resolving MRO entries |
Not Supported |
super() is not supported
|
3.3.3.3. Determining the appropriate metaclass |
Not relevant |
|
3.3.3.4. Preparing the class namespace |
Not relevant |
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3.3.3.5. Executing the class body |
Not relevant |
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3.3.3.6. Creating the class object |
Not relevant |
|
3.3.3.7. Uses for metaclasses |
Not relevant |
|
3.3.4. Customizing instance and subclass checks |
Not Supported |
|
3.3.5. Emulating generic types |
Not Supported |
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3.3.6. Emulating callable objects |
支持 |
|
3.3.7. Emulating container types |
Partially Supported |
Some magic methods not supported (e.g. __iter__ ) |
3.3.8. Emulating numeric types |
Partially Supported |
Magic methods with swapped operands not supported (__r*__) |
3.3.9. With Statement Context Managers |
Not Supported |
|
3.3.10. Special method lookup |
Not relevant |
|
3.4. Coroutines |
Not Supported |
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3.4.1. Awaitable Objects |
Not Supported |
|
3.4.2. Coroutine Objects |
Not Supported |
|
3.4.3. Asynchronous Iterators |
Not Supported |
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3.4.4. Asynchronous Context Managers |
Not Supported |
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4. Execution model |
Not Relevant |
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4.1. Structure of a program |
Not Relevant |
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4.2. Naming and binding |
Not Relevant |
Names are bound at compile time in TorchScript |
4.2.1. Binding of names |
Not Relevant |
See global and nonlocal statements section |
4.2.2. Resolution of names |
Not Relevant |
See global and nonlocal statements section |
4.2.3. Builtins and restricted execution |
Not Relevant |
|
4.2.4. Interaction with dynamic features |
Not Supported |
Python values cannot be captured |
4.3. Exceptions |
Partially Supported |
See try and raise statement section |
5. The import system |
Not Relevant |
|
6. Expressions |
Not Relevant |
See expressions section |
6.1. Arithmetic conversions |
支持 |
|
6.2. Atoms |
Not Relevant |
|
6.2.1. Identifiers (Names) |
支持 |
|
6.2.2. Literals |
Partially Supported |
bytesliteral, imagnumber not supported
|
6.2.3. Parenthesized forms |
支持 |
|
6.2.4. Displays for lists, sets and dictionaries |
Partially Supported |
Not supported: comprehension ifs, async iterators |
6.2.5. List displays |
支持 |
|
6.2.6. Set displays |
Not Supported |
|
6.2.7. Dictionary displays |
支持 |
dict() constructor with kwargs doesn’t work, dict comprehensions, dictionary unpacking |
6.2.8. Generator expressions |
Not Supported |
|
6.2.9. Yield expressions |
Not Supported |
|
6.2.9.1. Generator-iterator methods |
Not Supported |
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6.2.9.2. Examples |
Not Supported |
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6.2.9.3. Asynchronous generator functions |
Not Supported |
|
6.2.9.4. Asynchronous generator-iterator methods |
Not Supported |
|
6.3. Primaries |
支持 |
|
6.3.1. Attribute references |
支持 |
|
6.3.2. Subscriptions |
支持 |
|
6.3.3. Slicings |
Partially Supported |
Tuple slicing with stride is not supported |
6.3.4. Calls |
Partially Supported |
Args unpack / kwargs unpack is not supported |
6.4. Await expression |
Not Supported |
|
6.5. The power operator |
支持 |
|
6.6. Unary arithmetic and bitwise operations |
Partially Supported |
Some bitwise operators are not implemented for primitive types (e.g. ~x where x is an int is not currently supported) |
6.7. Binary arithmetic operations |
Partially Supported |
See delimiters section |
6.8. Shifting operations |
Not Supported |
|
6.9. Binary bitwise operations |
支持 |
|
6.10. Comparisons |
支持 |
|
6.10.1. Value comparisons |
Partially Supported |
Dictionary equality checks are not currently supported |
6.10.2. Membership test operations |
Partially Supported |
Not supported for TorchScript classes |
6.10.3. Identity comparisons |
支持 |
|
6.11. Boolean operations |
支持 |
|
6.12. Conditional expressions |
支持 |
|
6.13. Lambdas |
Not Supported |
|
6.14. Expression lists |
Partially Supported |
Iterable unpacking not supported |
6.15. Evaluation order |
支持 |
|
6.16. Operator precedence |
支持 |
|
7. Simple statements |
支持 |
|
7.1. Expression statements |
支持 |
|
7.2. Assignment statements |
支持 |
|
7.2.1. Augmented assignment statements |
Partially Supported |
See delimiters section |
7.2.2. Annotated assignment statements |
支持 |
|
7.3. The assert statement |
Partially Supported |
Exception message is not customizable |
7.4. The pass statement |
支持 |
|
7.5. The del statement |
Not Supported |
|
7.6. The return statement |
支持 |
Some other features of returning (e.g. behavior with try..finally) are unsupported |
7.7. The yield statement |
Not Supported |
|
7.8. The raise statement |
Partially Supported |
Exception message is not customizable |
7.9. The break statement |
支持 |
Some other features of returning (e.g. behavior with try..finally) are unsupported |
7.10. The continue statement |
支持 |
Some other features of returning (e.g. behavior with try..finally) are unsupported |
7.11. The import statement |
Not Supported |
|
7.11.1. Future statements |
Not Supported |
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7.12. The global statement |
Not Supported |
|
7.13. The nonlocal statement |
Not Supported |
|
8. Compound statements |
Irrelevant |
|
8.1. The if statement |
支持 |
|
8.2. The while statement |
Partially Supported |
while..else is not supported |
8.3. The for statement |
Partially Supported |
for..else is not supported |
8.4. The try statement |
Not Supported |
|
8.5. The with statement |
Partially Supported |
__exit__ is always called with exc_type, exc_value, and traceback set to None, even if an exception was raised, and __exit__’s return value is ignored.
|
8.6. Function definitions |
Not Supported |
|
8.7. Class definitions |
Not Supported |
|
8.8. Coroutines |
Not Supported |
|
8.8.1. Coroutine function definition |
Not Supported |
|
8.8.2. The async for statement |
Not Supported |
|
8.8.3. The async with statement |
Not Supported |
|
9. Top-level components |
Not Relevant |
|
9.1. Complete Python programs |
Not Relevant |
|
9.2. File input |
Not Relevant |
|
9.3. Interactive input |
Not Relevant |
|
9.4. Expression input |
Not Relevant |
|