BLD: add zip_html command to docs make.py

Author: y-p

doc/make.py

@@ -103,6 +103,13 @@ def html():
     if os.system('sphinx-build -P -b html -d build/doctrees '
                  'source build/html'):
         raise SystemExit("Building HTML failed.")
+    try:
+        # remove stale file
+        os.system('cd build; rm -f html/pandas.zip;')
+    except:
+        pass
+
+def zip_html():
     try:
         print("\nZipping up HTML docs...")
         # just in case the wonky build box doesn't have zip
@@ -242,6 +249,7 @@ def _get_config():
 
 funcd = {
     'html': html,
+    'zip_html': zip_html,
     'upload_dev': upload_dev,
     'upload_stable': upload_stable,
     'upload_dev_pdf': upload_dev_pdf,