Python: Export version info

src/platform/python/_builder.h

@@ -30,6 +30,7 @@ void free(void*);
 #include <mgba/core/core.h>
 #include <mgba/core/mem-search.h>
 #include <mgba/core/tile-cache.h>
+#include <mgba/core/version.h>
 
 #define PYEXPORT extern "Python+C"
 #include "platform/python/log.h"

src/platform/python/_builder.py

@@ -23,6 +23,7 @@ ffi.set_source("mgba._pylib", """
 #include <mgba/core/log.h>
 #include <mgba/core/mem-search.h>
 #include <mgba/core/tile-cache.h>
+#include <mgba/core/version.h>
 #include <mgba/internal/arm/arm.h>
 #include <mgba/internal/gba/gba.h>
 #include <mgba/internal/gba/input.h>

src/platform/python/mgba/__init__.py

@@ -5,6 +5,8 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 from ._pylib import ffi, lib
 
+from collections import namedtuple
+
 def createCallback(structName, cbName, funcName=None):
     funcName = funcName or "_py{}{}".format(structName, cbName[0].upper() + cbName[1:])
     fullStruct = "struct {}*".format(structName)
@@ -13,3 +15,19 @@ def createCallback(structName, cbName, funcName=None):
         return getattr(ffi.from_handle(h.pyobj), cbName)(*args)
 
     return ffi.def_extern(name=funcName)(cb)
+
+version = ffi.string(lib.projectVersion).decode('utf-8')
+
+GitInfo = namedtuple("GitInfo", "commit commitShort branch revision")
+
+git = {}
+if lib.gitCommit and lib.gitCommit != "(unknown)":
+    git['commit'] = ffi.string(lib.gitCommit).decode('utf-8')
+if lib.gitCommitShort and lib.gitCommitShort != "(unknown)":
+    git['commitShort'] = ffi.string(lib.gitCommitShort).decode('utf-8')
+if lib.gitBranch and lib.gitBranch != "(unknown)":
+    git['branch'] = ffi.string(lib.gitBranch).decode('utf-8')
+if lib.gitRevision > 0:
+    git['revision'] = lib.gitRevision
+
+git = GitInfo(**git)