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adding on_ros_path utility from roscreate to roslib.rosenv

This commit is contained in:
Ken Conley 2010-05-10 18:24:51 +00:00
parent 8f7a836aa5
commit 972fb28403
1 changed files with 16 additions and 0 deletions
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16
core/roslib/src/roslib/rosenv.py
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@ -272,3 +272,19 @@ def makedirs_with_parent_perms(p):
os.chown(p, s.st_uid, s.st_gid)
if s.st_mode != s2.st_mode:
os.chmod(p, s.st_mode)
def on_ros_path(p):
"""
Check to see if filesystem path is on paths specified in ROS
environment (ROS_ROOT, ROS_PACKAGE_PATH).
New in ROS 1.2.
@param p: path
@type p: str
@return: True if p is on the ROS path (ROS_ROOT, ROS_PACKAGE_PATH)
"""
pkg = os.path.realpath(roslib.rosenv.resolve_path(p))
paths = [p for p in roslib.packages.get_package_paths()]
paths = [os.path.realpath(roslib.rosenv.resolve_path(x)) for x in paths]
return bool([x for x in paths if pkg == x or pkg.startswith(x + os.sep)])