fix Python 2 issues

.travis.yml

@@ -141,6 +141,7 @@ matrix:
         - docker
       env: JOB_TYPE=prerelease UNDERLAY_REPOSITORY_NAMES="roscpp_core" OVERLAY_PACKAGE_NAMES=roscpp
       before_script:
+        - pip3 install EmPy
         # install catkin for test results
         - sudo sh -c 'echo "deb http://packages.ros.org/ros/ubuntu $(lsb_release -sc) main" > /etc/apt/sources.list.d/ros.list'
         - sudo apt-key adv --keyserver hkp://ha.pool.sks-keyservers.net:80 --recv-key 421C365BD9FF1F717815A3895523BAEEB01FA116

ros_buildfarm/debian_repo.py

@@ -19,9 +19,14 @@
 import os
 import socket
 import time
-from urllib.error import HTTPError
-from urllib.error import URLError
-from urllib.request import urlopen
+try:
+    from urllib.error import HTTPError
+    from urllib.error import URLError
+    from urllib.request import urlopen
+except ImportError:
+    from urllib2 import HTTPError
+    from urllib2 import URLError
+    from urllib2 import urlopen
 
 
 def get_debian_repo_data(debian_repository_baseurl, targets, cache_dir):

ros_buildfarm/rosdoc_lite.py

@@ -1,3 +1,5 @@
+from __future__ import print_function
+
 import sys
 
 import yaml

ros_buildfarm/status_page.py

@@ -588,9 +588,12 @@ def _filter_tag_wrap(label):
 
 
 def _name_query_wrap(name):
-    import urllib
+    try:
+        from urllib.parse import quote
+    except ImportError:
+        from urllib import quote
     query = 'id="{0}"'.format(name)
-    return '<a href="?q={0}">{1}</a>'.format(urllib.parse.quote(query), name)
+    return '<a href="?q={0}">{1}</a>'.format(quote(query), name)
 
 
 def _format_repo_table_row(name, data):

scripts/status/build_release_compare_page.py

@@ -17,11 +17,18 @@
 import argparse
 import sys
 
-from ros_buildfarm.argument import add_argument_config_url
-from ros_buildfarm.argument import add_argument_older_rosdistro_names
-from ros_buildfarm.argument import add_argument_output_dir
-from ros_buildfarm.argument import add_argument_rosdistro_name
-from ros_buildfarm.status_page import build_release_compare_page
+try:
+    # while this is not supposed to be done I don't see a different way atm
+    reload(sys)
+    sys.setdefaultencoding('utf-8')
+except NameError:
+    pass
+
+from ros_buildfarm.argument import add_argument_config_url  # noqa
+from ros_buildfarm.argument import add_argument_older_rosdistro_names  # noqa
+from ros_buildfarm.argument import add_argument_output_dir  # noqa
+from ros_buildfarm.argument import add_argument_rosdistro_name  # noqa
+from ros_buildfarm.status_page import build_release_compare_page  # noqa
 
 
 def main(argv=sys.argv[1:]):