Author: Armin Rigo <ar...@tunes.org>
Branch: cffi-1.0
Changeset: r1969:861f9ef06179
Date: 2015-05-11 11:53 +0200
http://bitbucket.org/cffi/cffi/changeset/861f9ef06179/
Log: A case where raising NotImplementedError is more appropriate than
just AttributeError
diff --git a/cffi/api.py b/cffi/api.py
--- a/cffi/api.py
+++ b/cffi/api.py
@@ -583,6 +583,11 @@
if name in library.__dict__:
return
#
+ key = 'constant ' + name
+ if key in ffi._parser._declarations:
+ raise NotImplementedError("fetching a non-integer constant "
+ "after dlopen()")
+ #
raise AttributeError(name)
#
def make_accessor(name):
diff --git a/testing/test_function.py b/testing/test_function.py
--- a/testing/test_function.py
+++ b/testing/test_function.py
@@ -101,6 +101,17 @@
x = m.cos(1.23)
assert x == math.cos(1.23)
+ def test_dlopen_constant(self):
+ ffi = FFI(backend=self.Backend())
+ ffi.cdef("""
+ #define FOOBAR 42
+ static const float baz = 42.5; /* not visible */
+ double sin(double x);
+ """)
+ m = ffi.dlopen(lib_m)
+ assert m.FOOBAR == 42
+ py.test.raises(NotImplementedError, "m.baz")
+
def test_tlsalloc(self):
if sys.platform != 'win32':
py.test.skip("win32 only")
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