__init__.py
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33 
34 import roslib; roslib.load_manifest('resource_retriever')
35 import subprocess
36 import rospkg
37 try:
38  from urllib.request import urlopen
39  from urllib.error import URLError
40 except ImportError:
41  from urllib2 import urlopen
42  from urllib2 import URLError
43 
44 PACKAGE_PREFIX = 'package://'
45 r = rospkg.RosPack()
46 
47 def get_filename(url, use_protocol=True ):
48  mod_url = url
49  if url.find(PACKAGE_PREFIX) == 0:
50  mod_url = url[len(PACKAGE_PREFIX):]
51  pos = mod_url.find('/')
52  if pos == -1:
53  raise Exception("Could not parse package:// format into file:// format for "+url)
54 
55  package = mod_url[0:pos]
56  mod_url = mod_url[pos:]
57  package_path = r.get_path(package)
58 
59  if use_protocol:
60  protocol = "file://"
61  else:
62  protocol = ""
63  mod_url = protocol + package_path + mod_url;
64  return mod_url
65 
66 def get(url):
67  filename = get_filename(url)
68  try:
69  return urlopen(filename).read()
70  except URLError:
71  raise Exception("Invalid URL: {}".format(filename))
def get_filename(url, use_protocol=True)
Definition: __init__.py:47
def get(url)
Definition: __init__.py:66


resource_retriever
Author(s): Josh Faust , Ioan Sucan
autogenerated on Tue Mar 20 2018 02:14:58