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Gwenaël Samain
cython
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f486ed52
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f486ed52
authored
Aug 02, 2014
by
Stefan Behnel
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delete outdated comment on differing scope rules in Cython
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docs/src/userguide/language_basics.rst
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docs/src/userguide/language_basics.rst
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f486ed52
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@@ -394,26 +394,9 @@ Scope rules
Cython determines whether a variable belongs to a local scope, the module
scope, or the built-in scope completely statically. As with Python, assigning
to a variable which is not otherwise declared implicitly declares it to be a
Python variable residing in the scope where it is assigned.
.. note::
A consequence of these rules is that the module-level scope behaves the
same way as a Python local scope if you refer to a variable before assigning
to it. In particular, tricks such as the following will not work in Cython::
try:
x = True
except NameError:
True = 1
because, due to the assignment, the True will always be looked up in the
module-level scope. You would have to do something like this instead::
import __builtin__
try:
True = __builtin__.True
except AttributeError:
True = 1
variable residing in the scope where it is assigned. The type of the variable
depends on type inference, except for the global module scope, where it is
always a Python object.
Built-in Functions
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