/usr/lib/python2.7/dist-packages/rosinstall/distro_locate.py is in python-rosinstall 0.7.7-2.
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) 2010, Willow Garage, 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 Willow Garage, 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
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# POSSIBILITY OF SUCH DAMAGE.
# Author: kwc
import rosdistro
from rosdistro.manifest_provider import get_release_tag
from rospkg import distro as rospkg_distro
import yaml
try:
from urllib.request import urlopen
except ImportError:
from urllib2 import urlopen
BRANCH_RELEASE = 'release'
BRANCH_DEVEL = 'devel'
class InvalidData(Exception):
pass
def build_rosinstall(repo_name, uri, vcs_type, version, prefix):
"""
Build a rosinstall file given some basic information
"""
rosinstall = []
repo_name = repo_name if not prefix else '/'.join([prefix, repo_name])
if version:
rosinstall.append({vcs_type: {'local-name': repo_name,
'uri': uri, 'version': version}})
else:
rosinstall.append({vcs_type: {'local-name': repo_name, 'uri': uri}})
# return yaml.dump(rosinstall, default_flow_style=False)
return rosinstall
def get_wet_info(wet_distro, name):
"""
Get information about wet packages or stacks
"""
repos = wet_distro['repositories']
for repo in repos:
info = repos[repo]
if repo == name or name in info.get('packages', []):
return (repo, info)
return None
def get_dry_info(dry_distro, name):
"""
Get information about dry stacks
"""
dry_stacks = dry_distro.get_stacks(True)
if name in dry_stacks:
stack = dry_stacks[name]
if stack.vcs_config.type == 'svn':
return (name,
stack.vcs_config.release_tag, stack.vcs_config.type, None)
else:
return (name,
stack.vcs_config.anon_repo_uri, stack.vcs_config.type,
stack.vcs_config.release_tag)
return None
def get_release_rosinstall(name, wet_distro, dry_distro, prefix):
"""
Check if the name is in the wet distro
"""
info = get_wet_info(wet_distro, name)
if info:
repo_name, repo_info = info
if repo_name == name and 'packages' in repo_info:
rosinstall = []
pkg_prefix = '/'.join([prefix, repo_name]) if prefix else repo_name
for pkg in repo_info['packages'].keys():
rosinstall.extend(build_rosinstall(pkg, repo_info['url'], 'git', '/'.join(
['release', pkg, repo_info['version'].split('-')[0]]), pkg_prefix))
return rosinstall
else:
return build_rosinstall(
name,
repo_info['url'],
'git',
'/'.join(['release', name, repo_info['version'].split('-')[0]]),
prefix)
# Check if the name is in the dry distro
info = get_dry_info(dry_distro, name)
if info:
name, uri, vcs_type, version = info
return build_rosinstall(name, uri, vcs_type, version, prefix)
return None
def get_manifest_yaml(name, distro):
# If we didn't find the name, we need to try to find a stack for it
url = 'http://ros.org/doc/%s/api/%s/manifest.yaml' % (distro, name)
try:
return yaml.load(urlopen(url))
except:
raise IOError("Could not load a documentation manifest for %s-%s from ros.org\n\
Have you selected a valid distro? Did you spell everything correctly? Is your package indexed on ros.org?\n\
I'm looking here: %s for a yaml file." % (distro, name, url))
def _get_fuerte_release():
"""
Please delete me when fuerte is not supported anymore
See REP137 about rosdistro files
"""
url = 'https://raw.github.com/ros/rosdistro/master/releases/fuerte.yaml'
try:
fuerte_distro = yaml.load(urlopen(url))
except:
raise IOError("Could not load the fuerte rosdistro file from github.\n"
"Are you sure you've selected a valid distro?\n"
"I'm looking for the following file %s" % url)
return fuerte_distro
def _get_fuerte_rosinstall(name, prefix=None):
"""
Please delete me when fuerte is not supported anymore
See REP137 about rosdistro files
"""
dry_distro = rospkg_distro.load_distro(rospkg_distro.distro_uri('fuerte'))
wet_distro = _get_fuerte_release()
# Check to see if the name just exists in one of our rosdistro files
rosinstall = get_release_rosinstall(name, wet_distro, dry_distro, prefix)
if rosinstall:
return rosinstall
# If we didn't find the name, we need to try to find a stack for it
doc_yaml = get_manifest_yaml(name, 'fuerte')
for metapackage in doc_yaml.get('metapackages', []):
meta_yaml = get_manifest_yaml(metapackage, 'fuerte')
if meta_yaml['package_type'] == 'stack':
rosinstall = get_release_rosinstall(
metapackage, wet_distro, dry_distro, prefix)
if rosinstall:
return rosinstall
return None
def _get_electric_rosinstall(name, prefix=None):
"""
Please delete me when you don't care at all about electric anymore
"""
dry_distro = rospkg_distro.load_distro(rospkg_distro.distro_uri('electric'))
if _is_dry(dry_distro, name):
return get_dry_rosinstall(dry_distro, name, prefix=prefix)
# If we didn't find the name, we need to try to find a stack for it
doc_yaml = get_manifest_yaml(name, 'electric')
for metapackage in doc_yaml.get('metapackages', []):
meta_yaml = get_manifest_yaml(metapackage, 'electric')
if meta_yaml['package_type'] == 'stack':
if _is_dry(dry_distro, metapackage):
return get_dry_rosinstall(dry_distro, metapackage, prefix=prefix)
return None
def _get_rosdistro_release(distro):
index = rosdistro.get_index(rosdistro.get_index_url())
return rosdistro.get_distribution_file(index, distro)
def _find_repo(release_file, name):
for r in release_file.repositories:
repo = release_file.repositories[r]
if name in repo.package_names:
return repo
return None
def _is_wet(release_file, name):
return _find_repo(release_file, name) is not None
def _is_dry(dry_distro, name):
return get_dry_info(dry_distro, name) is not None
def get_wet_rosinstall(release_file, name, prefix=None):
repo = _find_repo(release_file, name)
if repo is None: # wait, what?
return None
return build_rosinstall(name, repo.url, 'git', get_release_tag(repo, name), prefix)
def get_dry_rosinstall(dry_distro, name, prefix=None):
info = get_dry_info(dry_distro, name)
if info:
name, uri, vcs_type, version = info
return build_rosinstall(name, uri, vcs_type, version, prefix)
return None
def get_release_info(name, distro, prefix=None):
"""
Steps to check for a released version of the package
1) Look in the wet distro file for the package/stack name, if it's there, return the repo
2) Look in the dry distro file for the package/stack name, if it's there, return the repo
3) Look in the manifest.yaml generated by the documentation indexer to take a best guess at
what stack a given package belongs to
4) Look in the distro files again to see if the stack name is there, if it is, return the repo
"""
# fuerte is different.
if distro == 'fuerte':
return _get_fuerte_rosinstall(name, prefix=prefix)
# electric is ancient.
if distro == 'electric':
return _get_electric_rosinstall(name, prefix=prefix)
wet_distro = _get_rosdistro_release(distro)
dry_distro = rospkg_distro.load_distro(rospkg_distro.distro_uri(distro))
# Check to see if the name just exists in one of our rosdistro files
if _is_wet(wet_distro, name):
return get_wet_rosinstall(wet_distro, name, prefix=prefix)
if _is_dry(dry_distro, name):
return get_dry_rosinstall(dry_distro, name, prefix=prefix)
# If we didn't find the name, we need to try to find a stack for it
doc_yaml = get_manifest_yaml(name, distro)
for metapackage in doc_yaml.get('metapackages', []):
meta_yaml = get_manifest_yaml(metapackage, distro)
if meta_yaml['package_type'] == 'stack':
if _is_dry(dry_distro, metapackage):
return get_dry_rosinstall(dry_distro, metapackage, prefix=prefix)
return None
def get_doc_info(name, distro, prefix=None):
doc_yaml = get_manifest_yaml(name, distro)
return build_rosinstall(
doc_yaml['repo_name'], doc_yaml['vcs_uri'], doc_yaml['vcs'],
doc_yaml.get('vcs_version', ''), prefix)
def get_doc_type(name, distro):
return get_manifest_yaml(name, distro)['package_type']
def get_doc_www(name, distro):
return get_manifest_yaml(name, distro)['url']
def get_doc_description(name, distro):
return get_manifest_yaml(name, distro)['description']
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