1 files changed, 20 insertions, 5 deletions

diff --git a/setup.py b/setup.py
index 2822b84..07b8fa8 100644
--- a/setup.py
+++ b/setup.py
@@ -26,13 +26,27 @@ import subprocess
 
 import cmdtestlib
 
+try:
+    import markdown
+except ImportError:
+    markdown_version = None
+else:
+    if (hasattr(markdown, 'extensions') and 
+        hasattr(markdown.extensions, 'Extension')):
+        markdown_version = True
+    else:
+        markdown_version = False
+
 
 class GenerateManpage(build):
 
     def run(self):
         build.run(self)
         print 'building manpages'
-        for x in ['cmdtest', 'yarn']:
+        cmds = ['cmdtest']
+        if markdown_version:
+            cmds.append('yarn')
+        for x in cmds:
             with open('%s.1' % x, 'w') as f:
                 subprocess.check_call(['python', x,
                                        '--generate-manpage=%s.1.in' % x,
@@ -59,10 +73,11 @@ class Check(Command):
         pass
 
     def run(self):
-        subprocess.check_call(
-            ['python', '-m', 'CoverageTestRunner',
-             '--ignore-missing-from', 'without-tests'])
-        os.remove('.coverage')
+        if markdown_version:
+            subprocess.check_call(
+                ['python', '-m', 'CoverageTestRunner',
+                 '--ignore-missing-from', missing_from])
+            os.remove('.coverage')
 
         subprocess.check_call(['./cmdtest', 'echo-tests'])
         subprocess.check_call(['./cmdtest', 'sort-tests'])