bpo-42355: symtable.get_namespace() now checks whether there are multiple or any namespaces found by isidentical · Pull Request #23278 · python/cpython · GitHub
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bpo-42355: symtable.get_namespace() now checks whether there are multiple or any namespaces found #23278

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Merged
isidentical merged 1 commit into from
Jul 18, 2021
Merged

bpo-42355: symtable.get_namespace() now checks whether there are multiple or any namespaces found #23278

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4 changes: 2 additions & 2 deletions Doc/library/symtable.rst
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10 changes: 7 additions & 3 deletions Lib/symtable.py
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Original file line number Diff line number Diff line change
Expand Up @@ -306,11 +306,15 @@ def get_namespaces(self):
def get_namespace(self):
"""Return the single namespace bound to this name.

Raises ValueError if the name is bound to multiple namespaces.
Raises ValueError if the name is bound to multiple namespaces
or no namespace.
"""
if len(self.__namespaces) != 1:
if len(self.__namespaces) == 0:
raise ValueError("name is not bound to any namespaces")
elif len(self.__namespaces) > 1:
raise ValueError("name is bound to multiple namespaces")
return self.__namespaces[0]
else:
return self.__namespaces[0]

if __name__ == "__main__":
import os, sys
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4 changes: 4 additions & 0 deletions Lib/test/test_symtable.py
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