cpython/Include/patchlevel.h

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/* Newfangled version identification scheme.
This scheme was added in Python 1.5.2b2; before that time, only PATCHLEVEL
was available. To test for presence of the scheme, test for
defined(PY_MAJOR_VERSION).
When the major or minor version changes, the VERSION variable in
configure.in must also be changed.
There is also (independent) API version information in modsupport.h.
*/
/* Values for PY_RELEASE_LEVEL */
#define PY_RELEASE_LEVEL_ALPHA 0xA
#define PY_RELEASE_LEVEL_BETA 0xB
#define PY_RELEASE_LEVEL_GAMMA 0xC
#define PY_RELEASE_LEVEL_FINAL 0xF /* Serial should be 0 here */
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/* Higher for patch releases */
/* Version parsed out into numeric values */
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#define PY_MAJOR_VERSION 2
#define PY_MINOR_VERSION 0
#define PY_MICRO_VERSION 0
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#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_FINAL
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#define PY_RELEASE_SERIAL 1
/* Version as a string */
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#define PY_VERSION "2.0"
/* Historic */
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#define PATCHLEVEL "2.0"
/* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.
Use this for numeric comparisons, e.g. #if PY_VERSION_HEX >= ... */
#define PY_VERSION_HEX ((PY_MAJOR_VERSION << 24) | \
(PY_MINOR_VERSION << 16) | \
(PY_MICRO_VERSION << 8) | \
(PY_RELEASE_LEVEL << 4) | \
(PY_RELEASE_SERIAL << 0))