/usr/lib/python3/dist-packages/rosdistro/index.py is in python3-rosdistro 0.6.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright (c) 2013, Open Source Robotics Foundation, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Open Source Robotics Foundation, Inc. nor
# the names of its contributors may be used to endorse or promote
# products derived from this software without specific prior
# written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
try:
from urllib.parse import urlparse
except ImportError:
from urlparse import urlparse
class Index(object):
_type = 'index'
def __init__(self, data, base_url, url_query=''):
assert 'type' in data, "Expected file type is '%s'" % Index._type
assert data['type'] == Index._type, "Expected file type is '%s', not '%s'" % (Index._type, data['type'])
assert 'version' in data, 'Index file lacks required version information'
assert int(data['version']) > 1, "Unable to handle '%s' format version '%d' anymore, please update your '%s' file to version '2' or '3'" % (Index._type, int(data['version']), Index._type)
assert int(data['version']) in [2, 3], "Unable to handle '%s' format version '%d', please update rosdistro (e.g. on Ubuntu/Debian use: sudo apt-get update && sudo apt-get install --only-upgrade python-rosdistro)" % (Index._type, int(data['version']))
self.version = int(data['version'])
self.distributions = {}
if 'distributions' in data and data['distributions']:
# if distributions is not a dict raise an exception including the value
# this can be used to notify users (e.g. if an index.yaml file has been deleted / moved)
if not isinstance(data['distributions'], dict):
raise RuntimeError("Distributions type is invalid: expected 'dict', but got '%s': %s" % (type(data['distributions']).__name__, data['distributions']))
for distro_name in sorted(data['distributions']):
self.distributions[distro_name] = {}
distro_data = data['distributions'][distro_name]
for key in distro_data:
if key in ['distribution']:
if self.version == 2:
list_value = False
elif self.version == 3:
list_value = True
else:
assert False
elif key in ['distribution_cache']:
list_value = False
elif key in ['release_builds', 'source_builds', 'doc_builds']:
if self.version == 2:
list_value = True
elif self.version == 3:
assert False, "'%s' format version '3' does not allow a '%s' entry anymore" % (Index._type, key)
else:
assert False
else:
assert False, 'unknown key "%s"' % key
self.distributions[distro_name][key] = []
value = distro_data[key]
if list_value != isinstance(value, list):
assert False, 'wrong type of key "%s"' % key
if not list_value:
value = [value]
for v in value:
parts = urlparse(v)
if not parts[0]: # schema
v = base_url + '/' + v
if url_query:
v += '?' + url_query
self.distributions[distro_name][key].append(v)
if not list_value:
self.distributions[distro_name][key] = self.distributions[distro_name][key][0]
# for backward compatibility only
if key == 'distribution':
self.distributions[distro_name]['release'] = self.distributions[distro_name][key]
# for backward compatibility only
for key in ['release_builds', 'source_builds', 'doc_builds']:
if key not in self.distributions[distro_name]:
self.distributions[distro_name][key] = []
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