astvalidate
A series of AST validators for validating the integrity of the given abstract syntax tree.
API
validate(tree: ast.Module, level: Optional[Literal[1, 2, 3]] = None) -> bool
tree is the AST object that you want to verify. level is an argument to pass the
level of strictness, and turn on/off some of the validators. For a detailed list of validators,
see the table below:
| Validator | Level | Description |
|---|---|---|
| Syntatical | 1 | Emulates syntax warnings that are normally generated by compiler. |
| Simple | 1 | Does simple verifications, similar to PyAST_Validate interface |
| Symbolic | 2 | Emulates syntax error that are normally generated by symbol table |
| Contextual | 3 | Ensures everything is in the right context. |
If there are any errors, validate() will raise a SyntaxError or issue SyntaxWarnings
on the location of the target node.
import ast
import astvalidate
tree = ast.parse("""
def func():
raise ValueError from something
""")
tree.body[0].body[0].exc = None
assert astvalidate.validate(tree)
File "<string>", line 3
SyntaxError: Raise's cause can't be used without setting an exception
1 maintainer
Metadata
1 maintainer
Release files for astvalidate 2021.12.31
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Release files / astvalidate-2021.12.31.tar.gz
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