import fnmatch
import os
+import errno
-import cwltool.process
+import cwltool.stdfsaccess
+from cwltool.pathmapper import abspath
import arvados.util
import arvados.collection
+import arvados.arvfile
-class CollectionFsAccess(cwltool.process.StdFsAccess):
+class CollectionFsAccess(cwltool.stdfsaccess.StdFsAccess):
"""Implement the cwltool FsAccess interface for Arvados Collections."""
- def __init__(self, basedir):
+ def __init__(self, basedir, api_client=None, keep_client=None):
super(CollectionFsAccess, self).__init__(basedir)
+ self.api_client = api_client
+ self.keep_client = keep_client
self.collections = {}
def get_collection(self, path):
if p[0].startswith("keep:") and arvados.util.keep_locator_pattern.match(p[0][5:]):
pdh = p[0][5:]
if pdh not in self.collections:
- self.collections[pdh] = arvados.collection.CollectionReader(pdh)
+ self.collections[pdh] = arvados.collection.CollectionReader(pdh, api_client=self.api_client,
+ keep_client=self.keep_client)
return (self.collections[pdh], "/".join(p[1:]))
else:
return (None, path)
def glob(self, pattern):
collection, rest = self.get_collection(pattern)
+ if collection and not rest:
+ return [pattern]
patternsegments = rest.split("/")
return self._match(collection, patternsegments, "keep:" + collection.manifest_locator())
if collection:
return collection.open(rest, mode)
else:
- return open(self._abs(fn), mode)
+ return super(CollectionFsAccess, self).open(self._abs(fn), mode)
def exists(self, fn):
collection, rest = self.get_collection(fn)
if collection:
return collection.exists(rest)
else:
- return os.path.exists(self._abs(fn))
+ return super(CollectionFsAccess, self).exists(fn)
+
+ def isfile(self, fn): # type: (unicode) -> bool
+ collection, rest = self.get_collection(fn)
+ if collection:
+ if rest:
+ return isinstance(collection.find(rest), arvados.arvfile.ArvadosFile)
+ else:
+ return False
+ else:
+ return super(CollectionFsAccess, self).isfile(fn)
+
+ def isdir(self, fn): # type: (unicode) -> bool
+ collection, rest = self.get_collection(fn)
+ if collection:
+ if rest:
+ return isinstance(collection.find(rest), arvados.collection.RichCollectionBase)
+ else:
+ return True
+ else:
+ return super(CollectionFsAccess, self).isdir(fn)
+
+ def listdir(self, fn): # type: (unicode) -> List[unicode]
+ collection, rest = self.get_collection(fn)
+ if collection:
+ if rest:
+ dir = collection.find(rest)
+ else:
+ dir = collection
+ if dir is None:
+ raise IOError(errno.ENOENT, "Directory '%s' in '%s' not found" % (rest, collection.portable_data_hash()))
+ if not isinstance(dir, arvados.collection.RichCollectionBase):
+ raise IOError(errno.ENOENT, "Path '%s' in '%s' is not a Directory" % (rest, collection.portable_data_hash()))
+ return [abspath(l, fn) for l in dir.keys()]
+ else:
+ return super(CollectionFsAccess, self).listdir(fn)
+
+ def join(self, path, *paths): # type: (unicode, *unicode) -> unicode
+ if paths and paths[-1].startswith("keep:") and arvados.util.keep_locator_pattern.match(paths[-1][5:]):
+ return paths[-1]
+ return os.path.join(path, *paths)
+
+ def realpath(self, path):
+ if path.startswith("$(task.tmpdir)") or path.startswith("$(task.outdir)"):
+ return path
+ collection, rest = self.get_collection(path)
+ if collection:
+ return path
+ else:
+ return os.path.realpath(path)