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import collections
import copy
from irods.collection import iRODSCollection
from irods.data_object import iRODSDataObject
from irods.path import iRODSPath
class _Access_LookupMeta(type):
def __getitem__(self, key):
return self.codes[key]
def keys(self):
return list(self.codes.keys())
def values(self):
return list(self.codes[k] for k in self.codes.keys())
def items(self):
return list(zip(self.keys(), self.values()))
class iRODSAccess(metaclass=_Access_LookupMeta):
@classmethod
def to_int(cls, key):
return cls.codes[key]
@classmethod
def to_string(cls, key):
return cls.strings[key]
codes = collections.OrderedDict(
(key_, value_)
for key_, value_ in sorted(
dict(
# copied from iRODS source code in
# ./server/core/include/irods/catalog_utilities.hpp:
null=1000,
execute=1010,
read_annotation=1020,
read_system_metadata=1030,
read_metadata=1040,
read_object=1050,
write_annotation=1060,
create_metadata=1070,
modify_metadata=1080,
delete_metadata=1090,
administer_object=1100,
create_object=1110,
modify_object=1120,
delete_object=1130,
create_token=1140,
delete_token=1150,
curate=1160,
own=1200,
).items(),
key=lambda _: _[1],
)
if key_
in (
# These are copied from ichmod help text.
"own",
"delete_object",
"write",
"modify_object",
"create_object",
"delete_metadata",
"modify_metadata",
"create_metadata",
"read",
"read_object",
"read_metadata",
"null",
)
)
strings = collections.OrderedDict(
(number, string) for string, number in codes.items()
)
def __init__(self, access_name, path, user_name="", user_zone="", user_type=None):
self.access_name = access_name
if isinstance(path, (iRODSCollection, iRODSDataObject)):
self.path = path.path
elif isinstance(path, str):
# This should cover irods.path.iRODSPath as well as it is a descendant type of str.
self.path = path
else:
raise TypeError(
"'path' parameter must be of type 'str', 'irods.collection.iRODSCollection', "
"'irods.data_object.iRODSDataObject', or 'irods.path.iRODSPath'."
)
self.user_name = user_name
self.user_zone = user_zone
self.user_type = user_type
def __eq__(self, other):
return (
self.access_name == other.access_name
and iRODSPath(self.path) == iRODSPath(other.path)
and self.user_name == other.user_name
and self.user_zone == other.user_zone
)
def __hash__(self):
return hash(
(self.access_name, iRODSPath(self.path), self.user_name, self.user_zone)
)
def copy(self, decanonicalize=False):
other = copy.deepcopy(self)
if decanonicalize:
replacement_string = {
"read object": "read",
"read_object": "read",
"modify object": "write",
"modify_object": "write",
}.get(self.access_name)
other.access_name = (
replacement_string
if replacement_string is not None
else self.access_name
)
return other
def __repr__(self):
object_dict = vars(self)
access_name = self.access_name.replace(" ", "_")
user_type_hint = (
"({user_type})" if object_dict.get("user_type") is not None else ""
).format(**object_dict)
return f"<iRODSAccess {access_name} {self.path} {self.user_name}{user_type_hint} {self.user_zone}>"
class _iRODSAccess_pre_4_3_0(iRODSAccess):
codes = collections.OrderedDict(
(key.replace("_", " "), value)
for key, value in iRODSAccess.codes.items()
if key in ("own", "write", "modify_object", "read", "read_object", "null")
)
strings = collections.OrderedDict(
(number, string) for string, number in codes.items()
)
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