# HG changeset patch
# User Augie Fackler <durin42@gmail.com>
# Date 1283810891 18000
# Node ID d424bd1ac647f3cf0fa1e37ad6182837ad2fde7c
# Parent  0c67d97f54beecc18deec5d1d25ec885d9d6bd49
templatekw: restore compatibility with hg < 1.5

The templatekw module was new in 1.5 - it looks nontrivial to extend the
templater in 1.4.x and earlier, so just disable this feature on those
versions.

diff --git a/hgsubversion/__init__.py b/hgsubversion/__init__.py
--- a/hgsubversion/__init__.py
+++ b/hgsubversion/__init__.py
@@ -23,7 +23,6 @@ from mercurial import commands
 from mercurial import extensions
 from mercurial import help
 from mercurial import hg
-from mercurial import templatekw
 from mercurial import util as hgutil
 from mercurial import demandimport
 demandimport.ignore.extend([
@@ -34,6 +33,13 @@ demandimport.ignore.extend([
     'svn.ra',
     ])
 
+try:
+    from mercurial import templatekw
+    # force demandimport to load templatekw
+    templatekw.keywords
+except ImportError:
+   templatekw = None
+
 import svncommands
 import util
 import svnrepo
@@ -152,11 +158,12 @@ def _show_tpl_kw(ctx, kw):
     return convinfo.get(kw, '')
 
 
-templatekw.keywords.update({
-    'svnrev': lambda repo, ctx, templ, **a: _show_tpl_kw(ctx, 'svnrev'),
-    'svnpath': lambda repo, ctx, templ, **a: _show_tpl_kw(ctx, 'svnpath'),
-    'svnuuid': lambda repo, ctx, templ, **a: _show_tpl_kw(ctx, 'svnuuid'),
-    })
+if templatekw:
+    templatekw.keywords.update({
+        'svnrev': lambda repo, ctx, templ, **a: _show_tpl_kw(ctx, 'svnrev'),
+        'svnpath': lambda repo, ctx, templ, **a: _show_tpl_kw(ctx, 'svnpath'),
+        'svnuuid': lambda repo, ctx, templ, **a: _show_tpl_kw(ctx, 'svnuuid'),
+        })
 
 
 def reposetup(ui, repo):
diff --git a/tests/test_template_keywords.py b/tests/test_template_keywords.py
--- a/tests/test_template_keywords.py
+++ b/tests/test_template_keywords.py
@@ -4,6 +4,11 @@ import unittest
 
 from mercurial import commands
 from mercurial import ui
+try:
+    from mercurial import templatekw
+    templatekw.keywords
+except ImportError:
+    templatekw = None
 
 
 class CapturingUI(ui.ui):
@@ -15,25 +20,28 @@ class CapturingUI(ui.ui):
     def write(self, msg, *args, **kwds):
         self._output += msg
 
-
-class TestLogKeywords(test_util.TestBase):
-
-    def test_svn_keywords(self):
-        defaults = {'date': None, 'rev': None, 'user': None}
-        repo = self._load_fixture_and_fetch('two_revs.svndump')
-        ui = CapturingUI()
-        commands.log(ui, repo, template='{rev}:{svnrev} ', **defaults)
-        self.assertEqual(ui._output, '0:2 1:3 ')
-        ui = CapturingUI()
-        commands.log(ui, repo, template='{rev}:{svnpath} ', **defaults)
-        self.assertEqual(ui._output, '0:/trunk 1:/trunk ')
-        ui = CapturingUI()
-        commands.log(ui, repo, template='{rev}:{svnuuid} ', **defaults)
-        self.assertEqual(ui._output,
-                         ('0:df2126f7-00ab-4d49-b42c-7e981dde0bcf '
-                          '1:df2126f7-00ab-4d49-b42c-7e981dde0bcf '))
-
-
-def suite():
-    all = [unittest.TestLoader().loadTestsFromTestCase(TestLogKeywords),]
-    return unittest.TestSuite(all)
+if templatekw:
+    class TestLogKeywords(test_util.TestBase):
+
+        def test_svn_keywords(self):
+            defaults = {'date': None, 'rev': None, 'user': None}
+            repo = self._load_fixture_and_fetch('two_revs.svndump')
+            ui = CapturingUI()
+            commands.log(ui, repo, template='{rev}:{svnrev} ', **defaults)
+            self.assertEqual(ui._output, '0:2 1:3 ')
+            ui = CapturingUI()
+            commands.log(ui, repo, template='{rev}:{svnpath} ', **defaults)
+            self.assertEqual(ui._output, '0:/trunk 1:/trunk ')
+            ui = CapturingUI()
+            commands.log(ui, repo, template='{rev}:{svnuuid} ', **defaults)
+            self.assertEqual(ui._output,
+                             ('0:df2126f7-00ab-4d49-b42c-7e981dde0bcf '
+                              '1:df2126f7-00ab-4d49-b42c-7e981dde0bcf '))
+
+
+    def suite():
+        all = [unittest.TestLoader().loadTestsFromTestCase(TestLogKeywords),]
+        return unittest.TestSuite(all)
+else:
+    def suite():
+        return unittest.TestSuite([])