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Viewing changes to breezy/_import_c_api.h

  • Committer: Jelmer Vernooij
  • Date: 2017-07-23 22:06:41 UTC
  • mfrom: (6738 trunk)
  • mto: This revision was merged to the branch mainline in revision 6739.
  • Revision ID: jelmer@jelmer.uk-20170723220641-69eczax9bmv8d6kk
Merge trunk, address review comments.

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Lines of Context:
breezy/_import_c_api.h
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                            void **func, const char *signature)
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{
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    PyObject *d = NULL;
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    PyObject *c_obj = NULL;
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    const char *desc = NULL;
 
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    PyObject *capsule = NULL;
 
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    void *pointer;
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    /* (char *) because Python2.4 defines this as (char *) rather than
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     * (const char *)
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     */
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    d = PyObject_GetAttrString(module, (char *)_C_API_NAME);
 
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    d = PyObject_GetAttrString(module, _C_API_NAME);
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    if (!d) {
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        // PyObject_GetAttrString sets an appropriate exception
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        goto bad;
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    }
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    c_obj = PyDict_GetItemString(d, funcname);
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    if (!c_obj) {
 
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    capsule = PyDict_GetItemString(d, funcname);
 
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    if (!capsule) {
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        // PyDict_GetItemString does not set an exception
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        PyErr_Format(PyExc_AttributeError,
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            "Module %s did not export a function named %s\n",
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            PyModule_GetName(module), funcname);
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        goto bad;
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    }
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    desc = (char *)PyCObject_GetDesc(c_obj);
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    if (!desc || strcmp(desc, signature) != 0) {
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        if (desc == NULL) {
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            desc = "<null>";
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        }
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        PyErr_Format(PyExc_TypeError,
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            "C function %s.%s has wrong signature (expected %s, got %s)",
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                PyModule_GetName(module), funcname, signature, desc);
 
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    pointer = PyCapsule_GetPointer(capsule, signature);
 
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    if (!pointer) {
 
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        // PyCapsule_GetPointer sets an error with a little context
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        goto bad;
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    }
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    *func = PyCObject_AsVoidPtr(c_obj);
 
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    *func = pointer;
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    Py_DECREF(d);
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    return 0;
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bad: