Source code for catkin_pkg.workspaces
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"""
Library to provided logic for chained workspaces
"""
from __future__ import print_function
import os
CATKIN_WORKSPACE_MARKER_FILE = '.catkin_workspace'
[docs]def get_spaces(paths=None):
"""
Return a list of spaces based on the CMAKE_PREFIX_PATH or passed in list of workspaces.
It resolves the source space for each devel space and ignores non-catkin paths.
:param paths_to_order: list of paths
:param prefix_paths: list of prefixes, must not end with '/'
"""
if paths is None:
if 'CMAKE_PREFIX_PATH' not in os.environ:
raise RuntimeError('Neither the environment variable CMAKE_PREFIX_PATH is set nor was a list of paths passed.')
paths = os.environ['CMAKE_PREFIX_PATH'].split(os.pathsep) if os.environ['CMAKE_PREFIX_PATH'] else []
spaces = []
for path in paths:
marker = os.path.join(path, '.catkin')
# ignore non catkin paths
if not os.path.exists(marker):
continue
spaces.append(path)
# append source spaces
with open(marker, 'r') as f:
data = f.read()
if data:
spaces += data.split(';')
return spaces
[docs]def order_paths(paths_to_order, prefix_paths):
"""
Return a list containing all items of paths_to_order ordered by list of prefix_paths, compared as strings
:param paths_to_order: list of paths
:param prefix_paths: list of prefixes, must not end with '/'
"""
# the ordered paths contains a list for each prefix plus one more which contains paths which do not match one of the prefix_paths
ordered_paths = [[] for _ in range(len(prefix_paths) + 1)]
for path in paths_to_order:
# put each directory into the slot where it matches the prefix, or last otherwise
index = 0
for prefix in prefix_paths:
if path == prefix or path.startswith(prefix + os.sep) or (os.altsep and path.startswith(prefix + os.altsep)):
break
index += 1
ordered_paths[index].append(path)
# flatten list of lists
return [j for i in ordered_paths for j in i]
[docs]def ensure_workspace_marker(base_path):
"""
creates workspace marker file at path if not existing
:param path: target folder
"""
if not os.path.exists(os.path.join(base_path, CATKIN_WORKSPACE_MARKER_FILE)):
with open(os.path.join(base_path, CATKIN_WORKSPACE_MARKER_FILE), 'a') as fhand:
fhand.write('# This file currently only serves to mark the location of a catkin workspace for tool integration\n')