Merge build identification to 3.2 branch.

8 files changed, 128 insertions, 7 deletions

diff --git a/Include/pythonrun.h b/Include/pythonrun.h
index 86da6e0..bbcae73 100644
--- a/Include/pythonrun.h
+++ b/Include/pythonrun.h
@@ -182,6 +182,8 @@ PyAPI_FUNC(const char *) Py_GetBuildInfo(void);
 PyAPI_FUNC(const char *) _Py_svnversion(void);
 PyAPI_FUNC(const char *) Py_SubversionRevision(void);
 PyAPI_FUNC(const char *) Py_SubversionShortBranch(void);
+PyAPI_FUNC(const char *) _Py_hgidentifier(void);
+PyAPI_FUNC(const char *) _Py_hgversion(void);
 #endif
 
 /* Internal -- various one-time initializations */
diff --git a/Lib/platform.py b/Lib/platform.py
index b9bc303..de81b63 100755
--- a/Lib/platform.py
+++ b/Lib/platform.py
@@ -1392,7 +1392,9 @@ def _sys_version(sys_version=None):
         name = 'CPython'
         builddate = builddate + ' ' + buildtime
 
-    if hasattr(sys, 'subversion'):
+    if hasattr(sys, '_mercurial'):
+        _, branch, revision = sys._mercurial
+    elif hasattr(sys, 'subversion'):
         # sys.subversion was added in Python 2.5
         _, branch, revision = sys.subversion
     else:
diff --git a/Lib/test/test_platform.py b/Lib/test/test_platform.py
index 7dd7eef..ec134a1 100644
--- a/Lib/test/test_platform.py
+++ b/Lib/test/test_platform.py
@@ -57,11 +57,13 @@ class PlatformTest(unittest.TestCase):
     def setUp(self):
         self.save_version = sys.version
         self.save_subversion = sys.subversion
+        self.save_mercurial = sys._mercurial
         self.save_platform = sys.platform
 
     def tearDown(self):
         sys.version = self.save_version
         sys.subversion = self.save_subversion
+        sys._mercurial = self.save_mercurial
         sys.platform = self.save_platform
 
     def test_sys_version(self):
@@ -109,10 +111,12 @@ class PlatformTest(unittest.TestCase):
                 sys_versions.items():
             sys.version = version_tag
             if subversion is None:
+                if hasattr(sys, "_mercurial"):
+                    del sys._mercurial
                 if hasattr(sys, "subversion"):
                     del sys.subversion
             else:
-                sys.subversion = subversion
+                sys._mercurial = subversion
             if sys_platform is not None:
                 sys.platform = sys_platform
             self.assertEqual(platform.python_implementation(), info[0])
diff --git a/Makefile.pre.in b/Makefile.pre.in
index 24d364d..d665939 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -37,6 +37,9 @@ RANLIB=		@RANLIB@
 SVNVERSION=	@SVNVERSION@
 SOABI=		@SOABI@
 LDVERSION=	@LDVERSION@
+HGVERSION=	@HGVERSION@
+HGTAG=		@HGTAG@
+HGBRANCH=	@HGBRANCH@
 
 GNULD=		@GNULD@
 
@@ -552,7 +555,12 @@ Modules/getbuildinfo.o: $(PARSER_OBJS) \
 		$(SIGNAL_OBJS) \
 		$(MODOBJS) \
 		$(srcdir)/Modules/getbuildinfo.c
-	$(CC) -c $(PY_CORE_CFLAGS) -DSVNVERSION="\"`LC_ALL=C $(SVNVERSION)`\"" -o $@ $(srcdir)/Modules/getbuildinfo.c
+	$(CC) -c $(PY_CORE_CFLAGS) \
+	      -DSVNVERSION="\"`LC_ALL=C $(SVNVERSION)`\"" \
+	      -DHGVERSION="\"`LC_ALL=C $(HGVERSION)`\"" \
+	      -DHGTAG="\"`LC_ALL=C $(HGTAG)`\"" \
+	      -DHGBRANCH="\"`LC_ALL=C $(HGBRANCH)`\"" \
+	      -o $@ $(srcdir)/Modules/getbuildinfo.c
 
 Modules/getpath.o: $(srcdir)/Modules/getpath.c Makefile
 	$(CC) -c $(PY_CORE_CFLAGS) -DPYTHONPATH='"$(PYTHONPATH)"' \
diff --git a/Modules/getbuildinfo.c b/Modules/getbuildinfo.c
index 3bac1c5..c70126d 100644
--- a/Modules/getbuildinfo.c
+++ b/Modules/getbuildinfo.c
@@ -28,15 +28,28 @@
 #define SVNVERSION "$WCRANGE$$WCMODS?M:$"
 #endif
 
+/* XXX Only unix build process has been tested */
+#ifndef HGVERSION
+#define HGVERSION ""
+#endif
+#ifndef HGTAG
+#define HGTAG ""
+#endif
+#ifndef HGBRANCH
+#define HGBRANCH ""
+#endif
+
 const char *
 Py_GetBuildInfo(void)
 {
     static char buildinfo[50];
-    const char *revision = Py_SubversionRevision();
+    const char *revision = _Py_hgversion();
     const char *sep = *revision ? ":" : "";
-    const char *branch = Py_SubversionShortBranch();
+    const char *hgid = _Py_hgidentifier();
+    if (!(*hgid))
+        hgid = "default";
     PyOS_snprintf(buildinfo, sizeof(buildinfo),
-                  "%s%s%s, %.20s, %.9s", branch, sep, revision,
+                  "%s%s%s, %.20s, %.9s", hgid, sep, revision,
                   DATE, TIME);
     return buildinfo;
 }
@@ -50,3 +63,21 @@ _Py_svnversion(void)
         return svnversion; /* it was interpolated, or passed on command line */
     return "Unversioned directory";
 }
+
+const char *
+_Py_hgversion(void)
+{
+    return HGVERSION;
+}
+
+const char *
+_Py_hgidentifier(void)
+{
+    const char *hgtag, *hgid;
+    hgtag = HGTAG;
+    if ((*hgtag) && strcmp(hgtag, "tip") != 0)
+        hgid = hgtag;
+    else
+        hgid = HGBRANCH;
+    return hgid;
+}
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index de51155..ea095d2 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1600,6 +1600,9 @@ _PySys_Init(void)
     SET_SYS_FROM_STRING("subversion",
                         Py_BuildValue("(sss)", "CPython", branch,
                                       svn_revision));
+    SET_SYS_FROM_STRING("_mercurial",
+                        Py_BuildValue("(szz)", "CPython", _Py_hgidentifier(),
+                                      _Py_hgversion()));
     SET_SYS_FROM_STRING("dont_write_bytecode",
                          PyBool_FromLong(Py_DontWriteBytecodeFlag));
     SET_SYS_FROM_STRING("api_version",
diff --git a/configure b/configure
index 96747ff..98ae6e6 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 88430 .
+# From configure.in Revision.
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.68 for python 3.2.
 #
@@ -644,6 +644,10 @@ LN
 INSTALL_DATA
 INSTALL_SCRIPT
 INSTALL_PROGRAM
+HAS_HG
+HGBRANCH
+HGTAG
+HGVERSION
 SVNVERSION
 ARFLAGS
 AR
@@ -5166,6 +5170,58 @@ else
 	SVNVERSION="echo Unversioned directory"
 fi
 
+
+
+
+# Extract the first word of "hg", so it can be a program name with args.
+set dummy hg; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_HAS_HG+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$HAS_HG"; then
+  ac_cv_prog_HAS_HG="$HAS_HG" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_HAS_HG="found"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  test -z "$ac_cv_prog_HAS_HG" && ac_cv_prog_HAS_HG="not-found"
+fi
+fi
+HAS_HG=$ac_cv_prog_HAS_HG
+if test -n "$HAS_HG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAS_HG" >&5
+$as_echo "$HAS_HG" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+if test $HAS_HG = found
+then
+    HGVERSION="hg id -i \$(srcdir)"
+    HGTAG="hg id -t \$(srcdir)"
+    HGBRANCH="hg id -b \$(srcdir)"
+else
+    HGVERSION=""
+    HGTAG=""
+    HGBRANCH=""
+fi
+
 case $MACHDEP in
 bsdos*|hp*|HP*)
 	# install -d does not work on BSDI or HP-UX
diff --git a/configure.in b/configure.in
index 6f4ffa5..aaeb9bc 100644
--- a/configure.in
+++ b/configure.in
@@ -817,6 +817,21 @@ else
 	SVNVERSION="echo Unversioned directory"
 fi
 
+AC_SUBST(HGVERSION)
+AC_SUBST(HGTAG)
+AC_SUBST(HGBRANCH)
+AC_CHECK_PROG(HAS_HG, hg, found, not-found)
+if test $HAS_HG = found
+then
+    HGVERSION="hg id -i \$(srcdir)"
+    HGTAG="hg id -t \$(srcdir)"
+    HGBRANCH="hg id -b \$(srcdir)"
+else
+    HGVERSION=""
+    HGTAG=""
+    HGBRANCH=""
+fi
+
 case $MACHDEP in
 bsdos*|hp*|HP*)
 	# install -d does not work on BSDI or HP-UX