/usr/lib/python2.7/dist-packages/rosdep2/rospack.py is in python-rosdep 0.11.4-2.
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# Author Dirk Thomas/dthomas@willowgarage.com
"""
API provided for rospack to determine if a dependency
is a ROSpackage or a system dependency
"""
from __future__ import print_function
import subprocess
from .main import _get_default_RosdepLookup
from .rospkg_loader import DEFAULT_VIEW_KEY
from .sources_list import get_sources_cache_dir
def call_pkg_config(option, pkg_name):
try:
value = subprocess.check_output(['pkg-config', option, pkg_name])
return value.strip()
except subprocess.CalledProcessError:
return None
def init_rospack_interface():
class Options(object):
def __init__(self):
self.os_override = None
self.sources_cache_dir = get_sources_cache_dir()
self.verbose = False
lookup = _get_default_RosdepLookup(Options())
return lookup.get_rosdep_view(DEFAULT_VIEW_KEY)
def is_view_empty(view):
return len(view.rosdep_defs) == 0
def is_ros_package(view, rosdep_name):
return _ros_flag(view, rosdep_name, True)
def is_system_dependency(view, rosdep_name):
return _ros_flag(view, rosdep_name, False)
def _ros_flag(view, rosdep_name, value):
try:
d = view.lookup(rosdep_name)
except KeyError:
return False
ros_flag = '_is_ros' in d.data.keys()
return ros_flag == value
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