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#ifndef PYSHAPELIB_H |
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#define PYSHAPELIB_H |
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#include <Python.h> |
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#include <structmember.h> |
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#include "shapefil.h" |
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#include "pyshapelib_api.h" |
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#if defined(SHPAPI_HAS_WIDE) && defined(Py_WIN_WIDE_FILENAMES) |
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/* Need GetVersion to see if on NT so safe to use _wfopen */ |
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# define WIN32_LEAN_AND_MEAN |
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# include <windows.h> |
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#endif |
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/* helper to export constants (macros) to Python. |
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* The constant in Python will have the same name as in C |
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*/ |
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#define PYSHAPELIB_ADD_CONSTANT(constant) PyModule_AddIntConstant(module, #constant, constant) |
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/* helper to define the type object. |
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* |
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* This assumes quite a few things about different things being available and their name. |
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* For example, if prefix = foo, then there should be a deallocation function called foo_dealloc. |
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* See the macro itself for other examples. |
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*/ |
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#define PYSHAPELIB_DEFINE_TYPE(object, prefix, name, doc) \ |
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{ \ |
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PyObject_HEAD_INIT(NULL) \ |
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0, /*ob_size*/ \ |
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name, /*tp_name*/ \ |
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sizeof(object), /*tp_basicsize*/ \ |
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0, /*tp_itemsize*/ \ |
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(destructor) prefix ## _dealloc, /*tp_dealloc*/ \ |
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0, /*tp_print*/ \ |
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0, /*tp_getattr*/ \ |
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0, /*tp_setattr*/ \ |
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0, /*tp_compare*/ \ |
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(reprfunc) prefix ## _repr, /*tp_repr*/ \ |
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0, /*tp_as_number*/ \ |
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0, /*tp_as_sequence*/ \ |
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0, /*tp_as_mapping*/ \ |
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0, /*tp_hash */ \ |
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0, /*tp_call*/ \ |
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0, /*tp_str*/ \ |
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0, /*tp_getattro*/ \ |
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0, /*tp_setattro*/ \ |
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0, /*tp_as_buffer*/ \ |
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Py_TPFLAGS_DEFAULT, /*tp_flags*/ \ |
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doc, /* tp_doc */ \ |
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0, /* tp_traverse */ \ |
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0, /* tp_clear */ \ |
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0, /* tp_richcompare */ \ |
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0, /* tp_weaklistoffset */ \ |
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0, /* tp_iter */ \ |
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0, /* tp_iternext */ \ |
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prefix ## _methods, /* tp_methods */ \ |
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0, /* tp_members */ \ |
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prefix ## _getsetters, /* tp_getset */ \ |
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0, /* tp_base */ \ |
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0, /* tp_dict */ \ |
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0, /* tp_descr_get */ \ |
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0, /* tp_descr_set */ \ |
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0, /* tp_dictoffset */ \ |
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(initproc) prefix ## _init, /* tp_init */ \ |
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0, /* tp_alloc */ \ |
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prefix ## _new, /* tp_new */ \ |
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} \ |
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/**/ |
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/* helper to add type to module. |
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* Does a bit of the tedious bookkeeping for us |
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*/ |
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#define PYSHAPELIB_ADD_TYPE(type, name) \ |
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type.ob_type = &PyType_Type; \ |
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if (PyType_Ready(&type) >= 0) \ |
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{ \ |
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Py_INCREF(&type); \ |
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PyModule_AddObject(module, name, (PyObject*)&type); \ |
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} |
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#define PYSHAPELIB_NO_DATA_LIMIT 1e-38 |
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#define PYSHAPELIB_NO_DATA 0 |
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#endif |
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