Make setup.py --help-commands work without testrepository

testr command is registered by pbr.hooks.commands if
testrepository is installed, so there is no need to
setup the entry point in setup.cfg.

Change-Id: I95aae12d1ac810b6d1d09b71f2a0d87be5ccb6ab
Closes-Bug: #1375048

2 files changed, 33 insertions, 18 deletions

diff --git a/pbr/packaging.py b/pbr/packaging.py
index 74d346d..3bc625d 100644
--- a/pbr/packaging.py
+++ b/pbr/packaging.py
@@ -39,6 +39,7 @@ from pbr import extra_files
 from pbr import git
 from pbr import options
 import pbr.pbr_json
+from pbr import testr_command
 from pbr import version
 
 REQUIREMENTS_FILES = ('requirements.txt', 'tools/pip-requires')
@@ -170,26 +171,19 @@ class LocalInstall(install.install):
         return du_install.install.run(self)
 
 
-try:
-    from pbr import testr_command
-
-    class TestrTest(testr_command.Testr):
-        """Make setup.py test do the right thing."""
-
-        command_name = 'test'
-
-        def run(self):
-            # Can't use super - base class old-style class
-            testr_command.Testr.run(self)
+class TestrTest(testr_command.Testr):
+    """Make setup.py test do the right thing."""
 
-    _have_testr = True
+    command_name = 'test'
 
-except ImportError:
-    _have_testr = False
+    def run(self):
+        # Can't use super - base class old-style class
+        testr_command.Testr.run(self)
 
 
 def have_testr():
-    return _have_testr
+    return testr_command.have_testr
+
 
 try:
     from nose import commands
diff --git a/pbr/testr_command.py b/pbr/testr_command.py
index 3440f02..141d715 100644
--- a/pbr/testr_command.py
+++ b/pbr/testr_command.py
@@ -44,12 +44,10 @@ import logging
 import os
 import sys
 
-from testrepository import commands
-
 logger = logging.getLogger(__name__)
 
 
-class Testr(cmd.Command):
+class TestrReal(cmd.Command):
 
     description = "Run unit tests using testr"
 
@@ -133,3 +131,26 @@ class Testr(cmd.Command):
         logger.debug("_coverage_after called")
         os.system("coverage combine")
         os.system("coverage html -d ./cover %s" % self.omit)
+
+
+class TestrFake(cmd.Command):
+    description = "Run unit tests using testr"
+    user_options = []
+
+    def initialize_options(self):
+        pass
+
+    def finalize_options(self):
+        pass
+
+    def run(self):
+        print("Install testrepository to run 'testr' command properly.")
+
+
+try:
+    from testrepository import commands
+    have_testr = True
+    Testr = TestrReal
+except ImportError:
+    have_testr = False
+    Testr = TestrFake