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bpo-38359: Ensures pyw.exe launcher reads correct registry key (GH-16561)
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Ensures ``pyw.exe`` launcher reads correct registry key.
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@ -141,6 +141,8 @@ static wchar_t * get_env(wchar_t * key)
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}
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#if defined(_DEBUG)
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/* Do not define EXECUTABLEPATH_VALUE in debug builds as it'll
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never point to the debug build. */
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#if defined(_WINDOWS)
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#define PYTHON_EXECUTABLE L"pythonw_d.exe"
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@ -154,10 +156,12 @@ static wchar_t * get_env(wchar_t * key)
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#if defined(_WINDOWS)
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#define PYTHON_EXECUTABLE L"pythonw.exe"
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#define EXECUTABLEPATH_VALUE L"WindowedExecutablePath"
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#else
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#define PYTHON_EXECUTABLE L"python.exe"
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#define EXECUTABLEPATH_VALUE L"ExecutablePath"
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#endif
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#endif
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@ -297,8 +301,12 @@ _locate_pythons_for_key(HKEY root, LPCWSTR subkey, REGSAM flags, int bits,
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}
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data_size = sizeof(ip->executable) - 1;
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append_name = FALSE;
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status = RegQueryValueExW(ip_key, L"ExecutablePath", NULL, &type,
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#ifdef EXECUTABLEPATH_VALUE
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status = RegQueryValueExW(ip_key, EXECUTABLEPATH_VALUE, NULL, &type,
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(LPBYTE)ip->executable, &data_size);
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#else
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status = ERROR_FILE_NOT_FOUND; /* actual error doesn't matter */
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#endif
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if (status != ERROR_SUCCESS || type != REG_SZ || !data_size) {
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append_name = TRUE;
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data_size = sizeof(ip->executable) - 1;
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