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interrogatedb: Fix faulty version comparison in Python 3.10

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This commit is contained in:
rdb 2020-09-12 22:50:29 +02:00
parent dabab90415
commit 2402594808
1 changed files with 11 additions and 3 deletions
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14
dtool/src/interrogatedb/py_panda.cxx
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@ -10,6 +10,9 @@
#ifdef HAVE_PYTHON
#define _STRINGIFY_VERSION(a, b) (#a "." #b)
#define STRINGIFY_VERSION(a, b) _STRINGIFY_VERSION(a, b)
using std::string;
/**
@ -531,6 +534,8 @@ Dtool_TypeMap *Dtool_GetGlobalTypeMap() {
}
}
#define PY_MAJOR_VERSION_STR #PY_MAJOR_VERSION "." #PY_MINOR_VERSION
#if PY_MAJOR_VERSION >= 3
PyObject *Dtool_PyModuleInitHelper(const LibraryDef *defs[], PyModuleDef *module_def) {
#else
@ -538,15 +543,18 @@ PyObject *Dtool_PyModuleInitHelper(const LibraryDef *defs[], const char *modulen
#endif
// Check the version so we can print a helpful error if it doesn't match.
string version = Py_GetVersion();
size_t version_len = version.find('.', 2);
if (version_len != string::npos) {
version.resize(version_len);
}
if (version[0] != '0' + PY_MAJOR_VERSION ||
version[2] != '0' + PY_MINOR_VERSION) {
if (version != STRINGIFY_VERSION(PY_MAJOR_VERSION, PY_MINOR_VERSION)) {
// Raise a helpful error message. We can safely do this because the
// signature and behavior for PyErr_SetString has remained consistent.
std::ostringstream errs;
errs << "this module was compiled for Python "
<< PY_MAJOR_VERSION << "." << PY_MINOR_VERSION << ", which is "
<< "incompatible with Python " << version.substr(0, 3);
<< "incompatible with Python " << version;
string error = errs.str();
PyErr_SetString(PyExc_ImportError, error.c_str());
return nullptr;