add whitespace check for rosdep files (fix ros#3089)

scripts/check_rosdep.py

@@ -154,6 +154,21 @@ def my_assert(val):
  print_test("building yaml dict...")
  try:
  ydict = yaml.load(buf)
+
+ # ensure that values don't contain whitespaces
+ def walk(node):
+ if isinstance(node, dict):
+ for key, value in node.items():
+ walk(key)
+ walk(value)
+ if isinstance(node, list):
+ for value in node:
+ walk(value)
+ if isinstance(node, str) and re.search(r'\s', node):
+ print_err("value '%s' must not contain whitespaces" % node)
+ my_assert(False)
+ walk(ydict)
+
  except Exception as e:
  print_err("could not build the dict: %s" % (str(e)))
  my_assert(False)