/usr/lib/python2.7/dist-packages/roslib/stack_manifest.py is in python-roslib 1.14.2-1.
This file is owned by root:root, with mode 0o644.
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"""
Warning: do not use this library. It is unstable and most of the routines
here have been superceded by other libraries (e.g. rospkg). These
routines will likely be *deleted* in future releases.
"""
import sys
import os
import getopt
STACK_FILE = 'stack.xml'
import roslib.manifestlib
# re-export symbols so that external code does not have to import manifestlib as well
from roslib.manifestlib import ManifestException, StackDepend
class StackManifest(roslib.manifestlib._Manifest):
"""
Object representation of a ROS manifest file
"""
__slots__ = []
def __init__(self):
"""
Create an empty stack manifest instance.
"""
super(StackManifest, self).__init__('stack')
def _stack_file_by_dir(stack_dir, required=True):
"""
@param stack_dir: path to stack directory
@type stack_dir: str
@param required: require that the directory exist
@type required: bool
@return: path to manifest file of stack
@rtype: str
@raise InvalidROSPkgException: if required is True and manifest file cannot be located
"""
try:
p = os.path.join(stack_dir, STACK_FILE)
if not required and not os.path.exists(p):
return p
if not os.path.isfile(p):
raise roslib.stacks.InvalidROSStackException("""
Stack '%(stack_dir)s' is improperly configured: no manifest file is present.
"""%locals())
return p
except roslib.stacks.InvalidROSStackException as e:
if required:
raise
def stack_file(stack, required=True):
"""
@param stack: stack name
@type stack: str
@param required: require that the directory exist
@type required: bool
@return: path to manifest file of stack
@rtype: str
@raise InvalidROSPkgException: if required is True and manifest file cannot be located
"""
d = roslib.stacks.get_stack_dir(stack)
return _stack_file_by_dir(d, required)
def parse_file(file):
"""
Parse stack.xml file
@param file: stack.xml file path
@param file: str
@return: StackManifest instance
@rtype: L{StackManifest}
"""
return roslib.manifestlib.parse_file(StackManifest(), file)
def parse(string, filename='string'):
"""
Parse stack.xml string contents
@param string: stack.xml contents
@type string: str
@return: StackManifest instance
@rtype: L{StackManifest}
"""
s = roslib.manifestlib.parse(StackManifest(), string, filename)
#TODO: validate
return s
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