verify-homepage: tidy up output and comments

* Set up and use a proper logger
* Tweak output messages and comments

(From OE-Core rev: 6ee412409ff9331847fbe4e44d1c2a47d2453f18)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/contrib/verify-homepage.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
-# This script is used for verify HOMEPAGE.
+# This script can be used to verify HOMEPAGE values for all recipes in
+# the current configuration.
 # The result is influenced by network environment, since the timeout of connect url is 5 seconds as default.
 
 import sys
@@ -14,16 +15,19 @@ scripts_path = os.path.abspath(os.path.dirname(os.path.realpath(__file__)) + '/.
 lib_path = scripts_path + '/lib'
 sys.path = sys.path + [lib_path]
 import scriptpath
+import scriptutils
 
 # Allow importing bitbake modules
 bitbakepath = scriptpath.add_bitbake_lib_path()
 
 import bb.tinfoil
 
+logger = scriptutils.logger_create('verify_homepage')
+
 def wgetHomepage(pn, homepage):
     result = subprocess.call('wget ' + '-q -T 5 -t 1 --spider ' + homepage, shell = True)
     if result:
-        bb.warn("Failed to verify HOMEPAGE (%s) of %s" % (homepage, pn))
+        logger.warn("%s: failed to verify HOMEPAGE: %s " % (pn, homepage))
         return 1
     else:
         return 0
@@ -44,10 +48,9 @@ def verifyHomepage(bbhandler):
     return count
 
 if __name__=='__main__':
-    failcount = 0
     bbhandler = bb.tinfoil.Tinfoil()
     bbhandler.prepare()
-    print "Start to verify HOMEPAGE:"
+    logger.info("Start verifying HOMEPAGE:")
     failcount = verifyHomepage(bbhandler)
-    print "finish to verify HOMEPAGE."
-    print "Summary: %s failed" % failcount
+    logger.info("Finished verifying HOMEPAGE.")
+    logger.info("Summary: %s failed" % failcount)