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386 lines (323 loc) · 12.5 KB
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# -*- coding: utf-8 -*-
# MinIO Python Library for Amazon S3 Compatible Cloud Storage, (C)
# 2015, 2016, 2017, 2018, 2019 MinIO, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Request/response of PutBucketLifecycleConfiguration and
GetBucketLifecycleConfiguration APIs.
"""
# pylint: disable=invalid-name
from __future__ import absolute_import
from abc import ABCMeta
from .commonconfig import BaseRule, check_status
from .time import from_iso8601utc, to_iso8601utc
from .xml import Element, SubElement, find, findall, findtext
class DateDays:
"""Base class holds date and days of Transition and Expiration."""
__metaclass__ = ABCMeta
def __init__(self, date=None, days=None):
self._date = date
self._days = days
@property
def date(self):
"""Get date."""
return self._date
@property
def days(self):
"""Get days."""
return self._days
@staticmethod
def parsexml(element):
"""Parse XML to date and days."""
date = from_iso8601utc(findtext(element, "Date"))
days = findtext(element, "Days")
if days is not None:
days = int(days)
return date, days
def toxml(self, element):
"""Convert to XML."""
if self._date is not None:
SubElement(
element, "Date", to_iso8601utc(self._date),
)
if self._days:
SubElement(element, "Days", str(self._days))
return element
class Transition(DateDays):
"""Transition."""
def __init__(self, date=None, days=None, storage_class=None):
super().__init__(date, days)
self._storage_class = storage_class
@property
def storage_class(self):
"""Get storage class."""
return self._storage_class
@classmethod
def fromxml(cls, element):
"""Create new object with values from XML element."""
element = find(element, "Transition")
date, days = cls.parsexml(element)
return cls(date, days, findtext(element, "StorageClass"))
def toxml(self, element):
"""Convert to XML."""
element = SubElement(element, "Transition")
super().toxml(element)
if self._storage_class:
SubElement(element, "StorageClass", self._storage_class)
return element
class NoncurrentVersionTransition:
"""Noncurrent version transition."""
def __init__(self, noncurrent_days=None, storage_class=None):
self._noncurrent_days = noncurrent_days
self._storage_class = storage_class
@property
def noncurrent_days(self):
"""Get Noncurrent days."""
return self._noncurrent_days
@property
def storage_class(self):
"""Get storage class."""
return self._storage_class
@classmethod
def fromxml(cls, element):
"""Create new object with values from XML element."""
element = find(element, "NoncurrentVersionTransition")
noncurrent_days = findtext(element, "NoncurrentDays")
if noncurrent_days is not None:
noncurrent_days = int(noncurrent_days)
return cls(noncurrent_days, findtext(element, "StorageClass"))
def toxml(self, element):
"""Convert to XML."""
element = SubElement(element, "NoncurrentVersionTransition")
if self._noncurrent_days:
SubElement(element, "NoncurrentDays", str(self._noncurrent_days))
if self._storage_class:
SubElement(element, "StorageClass", self._storage_class)
return element
class NoncurrentVersionExpiration:
"""Noncurrent version expiration."""
def __init__(self, noncurrent_days=None):
self._noncurrent_days = noncurrent_days
@property
def noncurrent_days(self):
"""Get Noncurrent days."""
return self._noncurrent_days
@classmethod
def fromxml(cls, element):
"""Create new object with values from XML element."""
element = find(element, "NoncurrentVersionExpiration")
noncurrent_days = findtext(element, "NoncurrentDays")
if noncurrent_days is not None:
noncurrent_days = int(noncurrent_days)
return cls(noncurrent_days)
def toxml(self, element):
"""Convert to XML."""
element = SubElement(element, "NoncurrentVersionExpiration")
if self._noncurrent_days:
SubElement(element, "NoncurrentDays", str(self._noncurrent_days))
return element
class Expiration(DateDays):
"""Expiration."""
def __init__(self, date=None, days=None,
expired_object_delete_marker=None):
super().__init__(date, days)
self._expired_object_delete_marker = expired_object_delete_marker
@property
def expired_object_delete_marker(self):
"""Get expired object delete marker."""
return self._expired_object_delete_marker
@classmethod
def fromxml(cls, element):
"""Create new object with values from XML element."""
element = find(element, "Expiration")
date, days = cls.parsexml(element)
expired_object_delete_marker = findtext(
element, "ExpiredObjectDeleteMarker",
)
if expired_object_delete_marker is not None:
if expired_object_delete_marker.title() not in ["False", "True"]:
raise ValueError(
"value of ExpiredObjectDeleteMarker must be "
"'True' or 'False'",
)
expired_object_delete_marker = (
expired_object_delete_marker.title() == "True"
)
return cls(date, days, expired_object_delete_marker)
def toxml(self, element):
"""Convert to XML."""
element = SubElement(element, "Expiration")
super().toxml(element)
if self._expired_object_delete_marker is not None:
SubElement(
element,
"ExpiredObjectDeleteMarker",
str(self._expired_object_delete_marker).lower(),
)
return element
class AbortIncompleteMultipartUpload:
"""Abort incomplete multipart upload."""
def __init__(self, days_after_initiation=None):
self._days_after_initiation = days_after_initiation
@property
def days_after_initiation(self):
"""Get days after initiation."""
return self._days_after_initiation
@classmethod
def fromxml(cls, element):
"""Create new object with values from XML element."""
element = find(element, "AbortIncompleteMultipartUpload")
days_after_initiation = findtext(element, "DaysAfterInitiation")
if days_after_initiation is not None:
days_after_initiation = int(days_after_initiation)
return cls(days_after_initiation)
def toxml(self, element):
"""Convert to XML."""
element = SubElement(element, "AbortIncompleteMultipartUpload")
if self._days_after_initiation:
SubElement(
element,
"DaysAfterInitiation",
str(self._days_after_initiation),
)
return element
class Rule(BaseRule):
"""Lifecycle rule. """
def __init__(self, status, abort_incomplete_multipart_upload=None,
expiration=None, rule_filter=None, rule_id=None,
noncurrent_version_expiration=None,
noncurrent_version_transition=None,
transition=None):
check_status(status)
if (not abort_incomplete_multipart_upload and not expiration
and not noncurrent_version_expiration
and not noncurrent_version_transition
and not transition):
raise ValueError(
"at least one of action (AbortIncompleteMultipartUpload, "
"Expiration, NoncurrentVersionExpiration, "
"NoncurrentVersionTransition or Transition) must be specified "
"in a rule")
if not rule_filter:
raise ValueError("Rule filter must be provided")
super().__init__(rule_filter, rule_id)
self._status = status
self._abort_incomplete_multipart_upload = (
abort_incomplete_multipart_upload
)
self._expiration = expiration
self._noncurrent_version_expiration = noncurrent_version_expiration
self._noncurrent_version_transition = noncurrent_version_transition
self._transition = transition
@property
def status(self):
"""Get status."""
return self._status
@property
def abort_incomplete_multipart_upload(self):
"""Get abort incomplete multipart upload."""
return self._abort_incomplete_multipart_upload
@property
def expiration(self):
"""Get expiration."""
return self._expiration
@property
def noncurrent_version_expiration(self):
"""Get noncurrent version expiration."""
return self._noncurrent_version_expiration
@property
def noncurrent_version_transition(self):
"""Get noncurrent version transition."""
return self._noncurrent_version_transition
@property
def transition(self):
"""Get transition."""
return self._transition
@classmethod
def fromxml(cls, element):
"""Create new object with values from XML element."""
status = findtext(element, "Status", True)
abort_incomplete_multipart_upload = (
None if find(element, "AbortIncompleteMultipartUpload") is None
else AbortIncompleteMultipartUpload.fromxml(element)
)
expiration = (
None if find(element, "Expiration") is None
else Expiration.fromxml(element)
)
rule_filter, rule_id = cls.parsexml(element)
noncurrent_version_expiration = (
None if find(element, "NoncurrentVersionExpiration") is None
else NoncurrentVersionExpiration.fromxml(element)
)
noncurrent_version_transition = (
None if find(element, "NoncurrentVersionTransition") is None
else NoncurrentVersionTransition.fromxml(element)
)
transition = (
None if find(element, "Transition") is None
else Transition.fromxml(element)
)
return cls(
status,
abort_incomplete_multipart_upload=(
abort_incomplete_multipart_upload
),
expiration=expiration,
rule_filter=rule_filter,
rule_id=rule_id,
noncurrent_version_expiration=noncurrent_version_expiration,
noncurrent_version_transition=noncurrent_version_transition,
transition=transition,
)
def toxml(self, element):
"""Convert to XML."""
element = SubElement(element, "Rule")
SubElement(element, "Status", self._status)
if self._abort_incomplete_multipart_upload:
self._abort_incomplete_multipart_upload.toxml(element)
if self._expiration:
self._expiration.toxml(element)
super().toxml(element)
if self._noncurrent_version_expiration:
self._noncurrent_version_expiration.toxml(element)
if self._noncurrent_version_transition:
self._noncurrent_version_transition.toxml(element)
if self._transition:
self._transition.toxml(element)
return element
class LifecycleConfig:
"""Lifecycle configuration."""
def __init__(self, rules):
if not rules:
raise ValueError("rules must be provided")
self._rules = rules
@property
def rules(self):
"""Get rules."""
return self._rules
@classmethod
def fromxml(cls, element):
"""Create new object with values from XML element."""
elements = findall(element, "Rule")
rules = []
for tag in elements:
rules.append(Rule.fromxml(tag))
return cls(rules)
def toxml(self, element):
"""Convert to XML."""
element = Element("LifecycleConfiguration")
for rule in self._rules:
rule.toxml(element)
return element