本文整理汇总了Python中swift.common.swob.Response.headers[key]方法的典型用法代码示例。如果您正苦于以下问题:Python Response.headers[key]方法的具体用法?Python Response.headers[key]怎么用?Python Response.headers[key]使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类swift.common.swob.Response
的用法示例。
在下文中一共展示了Response.headers[key]方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: HEAD
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
def HEAD(self, request):
"""Handle HTTP HEAD requests for the Swift Object Server."""
device, partition, account, container, obj, policy_idx = get_name_and_placement(request, 5, 5, True)
try:
disk_file = self.get_diskfile(device, partition, account, container, obj, policy_idx=policy_idx)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
try:
metadata = disk_file.read_metadata()
except DiskFileXattrNotSupported:
return HTTPInsufficientStorage(drive=device, request=request)
except (DiskFileNotExist, DiskFileQuarantined) as e:
headers = {}
if hasattr(e, "timestamp"):
headers["X-Backend-Timestamp"] = e.timestamp.internal
return HTTPNotFound(request=request, headers=headers, conditional_response=True)
response = Response(request=request, conditional_response=True)
response.headers["Content-Type"] = metadata.get("Content-Type", "application/octet-stream")
for key, value in metadata.iteritems():
if is_sys_or_user_meta("object", key) or key.lower() in self.allowed_headers:
response.headers[key] = value
response.etag = metadata["ETag"]
ts = Timestamp(metadata["X-Timestamp"])
response.last_modified = math.ceil(float(ts))
# Needed for container sync feature
response.headers["X-Timestamp"] = ts.normal
response.headers["X-Backend-Timestamp"] = ts.internal
response.content_length = int(metadata["Content-Length"])
try:
response.content_encoding = metadata["Content-Encoding"]
except KeyError:
pass
return response
示例2: HEAD
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
def HEAD(self, request):
"""Handle HTTP HEAD requests for the Swift Object Server."""
device, partition, account, container, obj = \
split_and_validate_path(request, 5, 5, True)
try:
disk_file = self.get_diskfile(
device, partition, account, container, obj)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
try:
metadata = disk_file.read_metadata()
except (DiskFileNotExist, DiskFileQuarantined):
return HTTPNotFound(request=request, conditional_response=True)
response = Response(request=request, conditional_response=True)
response.headers['Content-Type'] = metadata.get(
'Content-Type', 'application/octet-stream')
for key, value in metadata.iteritems():
if is_user_meta('object', key) or \
key.lower() in self.allowed_headers:
response.headers[key] = value
response.etag = metadata['ETag']
ts = metadata['X-Timestamp']
response.last_modified = math.ceil(float(ts))
# Needed for container sync feature
response.headers['X-Timestamp'] = ts
response.content_length = int(metadata['Content-Length'])
try:
response.content_encoding = metadata['Content-Encoding']
except KeyError:
pass
return response
示例3: HEAD
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
def HEAD(self, request):
"""Handle HTTP HEAD requests for the Swift Object Server."""
device, partition, account, container, obj = \
split_and_validate_path(request, 5, 5, True)
try:
disk_file = self._diskfile(device, partition, account, container,
obj)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
with disk_file.open():
if disk_file.is_deleted() or disk_file.is_expired():
return HTTPNotFound(request=request)
try:
file_size = disk_file.get_data_file_size()
except (DiskFileError, DiskFileNotExist):
disk_file.quarantine()
return HTTPNotFound(request=request)
metadata = disk_file.get_metadata()
response = Response(request=request, conditional_response=True)
response.headers['Content-Type'] = metadata.get(
'Content-Type', 'application/octet-stream')
for key, value in metadata.iteritems():
if key.lower().startswith('x-object-meta-') or \
key.lower() in self.allowed_headers:
response.headers[key] = value
response.etag = metadata['ETag']
response.last_modified = float(metadata['X-Timestamp'])
# Needed for container sync feature
response.headers['X-Timestamp'] = metadata['X-Timestamp']
response.content_length = file_size
if 'Content-Encoding' in metadata:
response.content_encoding = metadata['Content-Encoding']
return response
示例4: HEAD
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
def HEAD(self, request):
"""Handle HTTP HEAD requests for the Swift Object Server."""
device, partition, account, container, obj = self._parse_path(request)
try:
disk_file = self._diskfile(device, partition, account, container, obj)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
if disk_file.is_deleted() or disk_file.is_expired():
return HTTPNotFound(request=request)
try:
file_size = disk_file.get_data_file_size()
except (DiskFileError, DiskFileNotExist):
disk_file.quarantine()
return HTTPNotFound(request=request)
response = Response(request=request, conditional_response=True)
response.headers["Content-Type"] = disk_file.metadata.get("Content-Type", "application/octet-stream")
for key, value in disk_file.metadata.iteritems():
if key.lower().startswith("x-object-meta-") or key.lower() in self.allowed_headers:
response.headers[key] = value
response.etag = disk_file.metadata["ETag"]
response.last_modified = float(disk_file.metadata["X-Timestamp"])
# Needed for container sync feature
response.headers["X-Timestamp"] = disk_file.metadata["X-Timestamp"]
response.content_length = file_size
if "Content-Encoding" in disk_file.metadata:
response.content_encoding = disk_file.metadata["Content-Encoding"]
return response
示例5: HEAD
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
def HEAD(self, request):
"""Handle HTTP HEAD requests for the Swift on File object server"""
device, partition, account, container, obj, policy = \
get_name_and_placement(request, 5, 5, True)
# Get DiskFile
try:
disk_file = self.get_diskfile(device, partition, account, container,
obj, policy=policy)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
# Read DiskFile metadata
try:
disk_file.open()
metadata = disk_file.get_metadata()
except (DiskFileNotExist, DiskFileQuarantined) as e:
headers = {}
if hasattr(e, 'timestamp'):
headers['X-Backend-Timestamp'] = e.timestamp.internal
return HTTPNotFound(request=request, headers=headers,
conditional_respose=True)
# Create and populate our response
response = Response(request=request, conditional_response=True)
response.headers['Content-Type'] = \
metadata.get('Content-Type', 'application/octet-stream')
for key, value in metadata.iteritems():
if is_sys_or_user_meta('object', key) or key.lower() in \
self.allowed_headers:
response.headers[key] = value
response.etag = metadata['ETag']
ts = Timestamp(metadata['X-Timestamp'])
response.last_modified = math.ceil(float(ts))
# Needed for container sync feature
response.headers['X-Timestamp'] = ts.normal
response.headers['X-Backend-Timestamp'] = ts.internal
response.content_length = int(metadata['Content-Length'])
try:
response.content_encoding = metadata['Content-Encoding']
except KeyError:
pass
# (HPSS) Inject HPSS xattr metadata into headers
want_hpss_metadata = request.headers.get('X-HPSS-Get-Metadata',
False)
if config_true_value(want_hpss_metadata):
try:
hpss_headers = disk_file.read_hpss_system_metadata()
response.headers.update(hpss_headers)
except SwiftOnFileSystemIOError:
return HTTPServiceUnavailable(request=request)
if 'X-Object-Sysmeta-Update-Container' in response.headers:
self._sof_container_update(request, response)
response.headers.pop('X-Object-Sysmeta-Update-Container')
return response
示例6: GET
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
def GET(self, request):
"""Handle HTTP GET requests for the Swift Object Server."""
device, partition, account, container, obj, policy = \
get_name_and_placement(request, 5, 5, True)
print 'request',request
print 'device, partition, account, container,obj, policy', device,partition,account,container,obj,policy
keep_cache = self.keep_cache_private or (
'X-Auth-Token' not in request.headers and
'X-Storage-Token' not in request.headers)
try:
disk_file = self.get_diskfile(
device, partition, account, container, obj,
policy=policy)
print 'disk_file',disk_file
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
try:
with disk_file.open():
metadata = disk_file.get_metadata()
obj_size = int(metadata['Content-Length'])
file_x_ts = Timestamp(metadata['X-Timestamp'])
keep_cache = (self.keep_cache_private or
('X-Auth-Token' not in request.headers and
'X-Storage-Token' not in request.headers))
conditional_etag = None
if 'X-Backend-Etag-Is-At' in request.headers:
conditional_etag = metadata.get(
request.headers['X-Backend-Etag-Is-At'])
response = Response(
app_iter=disk_file.reader(keep_cache=keep_cache),
request=request, conditional_response=True,
conditional_etag=conditional_etag)
response.headers['Content-Type'] = metadata.get(
'Content-Type', 'application/octet-stream')
for key, value in metadata.iteritems():
if is_sys_or_user_meta('object', key) or \
key.lower() in self.allowed_headers:
response.headers[key] = value
response.etag = metadata['ETag']
response.last_modified = math.ceil(float(file_x_ts))
response.content_length = obj_size
try:
response.content_encoding = metadata[
'Content-Encoding']
except KeyError:
pass
response.headers['X-Timestamp'] = file_x_ts.normal
response.headers['X-Backend-Timestamp'] = file_x_ts.internal
resp = request.get_response(response)
except DiskFileXattrNotSupported:
return HTTPInsufficientStorage(drive=device, request=request)
except (DiskFileNotExist, DiskFileQuarantined) as e:
headers = {}
if hasattr(e, 'timestamp'):
headers['X-Backend-Timestamp'] = e.timestamp.internal
resp = HTTPNotFound(request=request, headers=headers,
conditional_response=True)
print 'resp',resp
return resp
示例7: GET
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
def GET(self, request):
"""Handle HTTP GET requests for the Swift Object Server."""
device, partition, account, container, obj = \
split_and_validate_path(request, 5, 5, True)
keep_cache = self.keep_cache_private or (
'X-Auth-Token' not in request.headers and
'X-Storage-Token' not in request.headers)
try:
disk_file = self.get_diskfile(
device, partition, account, container, obj)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
try:
with disk_file.open():
metadata = disk_file.get_metadata()
obj_size = int(metadata['Content-Length'])
file_x_ts = metadata['X-Timestamp']
file_x_ts_flt = float(file_x_ts)
try:
if_unmodified_since = request.if_unmodified_since
except (OverflowError, ValueError):
# catches timestamps before the epoch
return HTTPPreconditionFailed(request=request)
file_x_ts_utc = datetime.fromtimestamp(file_x_ts_flt, UTC)
if if_unmodified_since and file_x_ts_utc > if_unmodified_since:
return HTTPPreconditionFailed(request=request)
try:
if_modified_since = request.if_modified_since
except (OverflowError, ValueError):
# catches timestamps before the epoch
return HTTPPreconditionFailed(request=request)
if if_modified_since and file_x_ts_utc <= if_modified_since:
return HTTPNotModified(request=request)
keep_cache = (self.keep_cache_private or
('X-Auth-Token' not in request.headers and
'X-Storage-Token' not in request.headers))
response = Response(
app_iter=disk_file.reader(keep_cache=keep_cache),
request=request, conditional_response=True)
response.headers['Content-Type'] = metadata.get(
'Content-Type', 'application/octet-stream')
for key, value in metadata.iteritems():
if is_user_meta('object', key) or \
key.lower() in self.allowed_headers:
response.headers[key] = value
response.etag = metadata['ETag']
response.last_modified = math.ceil(file_x_ts_flt)
response.content_length = obj_size
try:
response.content_encoding = metadata[
'Content-Encoding']
except KeyError:
pass
response.headers['X-Timestamp'] = file_x_ts
resp = request.get_response(response)
except (DiskFileNotExist, DiskFileQuarantined):
resp = HTTPNotFound(request=request, conditional_response=True)
return resp
示例8: GET
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
def GET(self, request):
"""Handle HTTP GET requests for the Swift Object Server."""
device, partition, account, container, obj, policy_idx = get_name_and_placement(request, 5, 5, True)
keep_cache = self.keep_cache_private or (
"X-Auth-Token" not in request.headers and "X-Storage-Token" not in request.headers
)
try:
disk_file = self.get_diskfile(device, partition, account, container, obj, policy_idx=policy_idx)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
try:
with disk_file.open():
metadata = disk_file.get_metadata()
obj_size = int(metadata["Content-Length"])
file_x_ts = Timestamp(metadata["X-Timestamp"])
keep_cache = self.keep_cache_private or (
"X-Auth-Token" not in request.headers and "X-Storage-Token" not in request.headers
)
response = Response(
app_iter=disk_file.reader(keep_cache=keep_cache), request=request, conditional_response=True
)
response.headers["Content-Type"] = metadata.get("Content-Type", "application/octet-stream")
for key, value in metadata.iteritems():
if is_sys_or_user_meta("object", key) or key.lower() in self.allowed_headers:
response.headers[key] = value
response.etag = metadata["ETag"]
response.last_modified = math.ceil(float(file_x_ts))
response.content_length = obj_size
try:
response.content_encoding = metadata["Content-Encoding"]
except KeyError:
pass
response.headers["X-Timestamp"] = file_x_ts.normal
response.headers["X-Backend-Timestamp"] = file_x_ts.internal
resp = request.get_response(response)
except DiskFileXattrNotSupported:
return HTTPInsufficientStorage(drive=device, request=request)
except (DiskFileNotExist, DiskFileQuarantined) as e:
headers = {}
if hasattr(e, "timestamp"):
headers["X-Backend-Timestamp"] = e.timestamp.internal
resp = HTTPNotFound(request=request, headers=headers, conditional_response=True)
return resp
示例9: GET
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
def GET(self, request):
"""Handle HTTP GET requests for the Swift Object Server."""
print("-------------------- IN OBJ SERVER GET -------------------")
device, partition, account, container, obj, policy = \
get_name_and_placement(request, 5, 5, True)
keep_cache = self.keep_cache_private or (
'X-Auth-Token' not in request.headers and
'X-Storage-Token' not in request.headers)
try:
disk_file = self.get_diskfile(
device, partition, account, container, obj,
policy=policy)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
try:
with disk_file.open():
metadata = disk_file.get_metadata()
auth_token = request.headers['X-Auth-Token']
#rebac_metadata = metadata['X-Object-Meta-Rebac']
#acl_metadata = metadata['X-Object-Meta-Oacl']
line1=re.sub(r"^'", "", metadata['name'])
line2=re.sub(r"'.*", "", line1)
line3=re.sub(r"^/", "", line2)
line4=re.sub(r"/", ":", line3)
authorize_file_info = re.sub(r"^", "cloud1:", line4)
authorize_user_info = "cloud1:"+request.headers['X-Project-Id']+":"+request.headers['X-User-Id']
print("--- The user info is -> ", authorize_user_info)
print("--- The File info -> ", authorize_file_info)
auth_resp = rebac.authorize(auth_token, authorize_user_info, authorize_file_info)
if auth_resp == False:
raise AttributeError('User Not Allowed to access File')
else:
print("**** User [authorize_user_info] is allowed to access File [authorize_file_info] ****")
obj_size = int(metadata['Content-Length'])
file_x_ts = Timestamp(metadata['X-Timestamp'])
keep_cache = (self.keep_cache_private or
('X-Auth-Token' not in request.headers and
'X-Storage-Token' not in request.headers))
conditional_etag = None
if 'X-Backend-Etag-Is-At' in request.headers:
conditional_etag = metadata.get(
request.headers['X-Backend-Etag-Is-At'])
response = Response(
app_iter=disk_file.reader(keep_cache=keep_cache),
request=request, conditional_response=True,
conditional_etag=conditional_etag)
response.headers['Content-Type'] = metadata.get(
'Content-Type', 'application/octet-stream')
for key, value in metadata.iteritems():
if is_sys_or_user_meta('object', key) or \
key.lower() in self.allowed_headers:
response.headers[key] = value
response.etag = metadata['ETag']
response.last_modified = math.ceil(float(file_x_ts))
response.content_length = obj_size
try:
response.content_encoding = metadata[
'Content-Encoding']
except KeyError:
pass
response.headers['X-Timestamp'] = file_x_ts.normal
response.headers['X-Backend-Timestamp'] = file_x_ts.internal
resp = request.get_response(response)
except DiskFileXattrNotSupported:
return HTTPInsufficientStorage(drive=device, request=request)
except (DiskFileNotExist, DiskFileQuarantined) as e:
headers = {}
if hasattr(e, 'timestamp'):
headers['X-Backend-Timestamp'] = e.timestamp.internal
resp = HTTPNotFound(request=request, headers=headers,
conditional_response=True)
return resp
示例10: HTTPPreconditionFailed
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
return HTTPPreconditionFailed(request=request)
if if_modified_since and \
datetime.fromtimestamp(
float(file.metadata['X-Timestamp']), UTC) < \
if_modified_since:
file.close()
self.logger.timing_since('GET.timing', start_time)
return HTTPNotModified(request=request)
response = Response(app_iter=file,
request=request, conditional_response=True)
response.headers['Content-Type'] = file.metadata.get(
'Content-Type', 'application/octet-stream')
for key, value in file.metadata.iteritems():
if key.lower().startswith('x-object-meta-') or \
key.lower() in self.allowed_headers:
response.headers[key] = value
response.etag = file.metadata['ETag']
response.last_modified = float(file.metadata['X-Timestamp'])
response.content_length = file_size
if response.content_length < self.keep_cache_size and \
(self.keep_cache_private or
('X-Auth-Token' not in request.headers and
'X-Storage-Token' not in request.headers)):
file.keep_cache = True
if 'Content-Encoding' in file.metadata:
response.content_encoding = file.metadata['Content-Encoding']
response.headers['X-Timestamp'] = file.metadata['X-Timestamp']
self.logger.timing_since('GET.timing', start_time)
return request.get_response(response)
@public
示例11: GET
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
def GET(self, request):
"""Handle HTTP GET requests for the Swift on File object server"""
device, partition, account, container, obj, policy = \
get_name_and_placement(request, 5, 5, True)
keep_cache = self.keep_cache_private or (
'X-Auth-Token' not in request.headers and
'X-Storage-Token' not in request.headers
)
# Get Diskfile
try:
disk_file = self.get_diskfile(device, partition, account, container,
obj, policy)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
# Get metadata and append it to response
try:
with disk_file.open():
metadata = disk_file.get_metadata()
obj_size = int(metadata['Content-Length'])
file_x_ts = Timestamp(metadata['X-Timestamp'])
try:
# (HPSS) Our file could end up being on an offline
# tape, so we need to check for it and return an
# HTTP 'accepted, but still processing' response.
if disk_file.is_offline():
return HTTPAccepted(request=request)
except (SwiftOnFileSystemIOError, SwiftOnFileFsException):
return HTTPServiceUnavailable(request=request)
response = Response(
app_iter=disk_file.reader(keep_cache=keep_cache),
request=request, conditional_response=True
)
response.headers['Content-Type'] = metadata.get(
'Content-Type', 'application/octet-stream'
)
for key, value in metadata.iteritems():
if is_sys_or_user_meta('object', key) or \
key.lower() in self.allowed_headers:
response.headers[key] = value
response.etag = metadata['ETag']
response.last_modified = math.ceil(float(file_x_ts))
response.content_length = obj_size
try:
response.content_encoding = metadata['Content-Encoding']
except KeyError:
pass
response.headers['X-Timestamp'] = file_x_ts.normal
response.headers['X-Backend-Timestamp'] = file_x_ts.internal
# (HPSS) Inject HPSS xattr metadata into headers
want_hpss_metadata = request.headers.get('X-HPSS-Get-Metadata',
False)
if config_true_value(want_hpss_metadata):
try:
hpss_headers = disk_file.read_hpss_system_metadata()
response.headers.update(hpss_headers)
except SwiftOnFileSystemIOError:
return HTTPServiceUnavailable(request=request)
return request.get_response(response)
except (DiskFileNotExist, DiskFileQuarantined) as e:
headers = {}
if hasattr(e, 'timestamp'):
headers['X-Backend-Timestamp'] = e.timestamp.internal
return HTTPNotFound(request=request, headers=headers,
conditional_response=True)
示例12: GET
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
def GET(self, request):
"""Handle HTTP GET requests for the Swift Object Server."""
device, partition, account, container, obj = \
split_and_validate_path(request, 5, 5, True)
try:
disk_file = self._diskfile(device, partition, account, container,
obj, iter_hook=sleep)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
disk_file.open()
if disk_file.is_deleted() or disk_file.is_expired():
if request.headers.get('if-match') == '*':
return HTTPPreconditionFailed(request=request)
else:
return HTTPNotFound(request=request)
try:
file_size = disk_file.get_data_file_size()
except (DiskFileError, DiskFileNotExist):
disk_file.quarantine()
return HTTPNotFound(request=request)
metadata = disk_file.get_metadata()
if request.headers.get('if-match') not in (None, '*') and \
metadata['ETag'] not in request.if_match:
disk_file.close()
return HTTPPreconditionFailed(request=request)
if request.headers.get('if-none-match') is not None:
if metadata['ETag'] in request.if_none_match:
resp = HTTPNotModified(request=request)
resp.etag = metadata['ETag']
disk_file.close()
return resp
try:
if_unmodified_since = request.if_unmodified_since
except (OverflowError, ValueError):
# catches timestamps before the epoch
return HTTPPreconditionFailed(request=request)
if if_unmodified_since and \
datetime.fromtimestamp(
float(metadata['X-Timestamp']), UTC) > \
if_unmodified_since:
disk_file.close()
return HTTPPreconditionFailed(request=request)
try:
if_modified_since = request.if_modified_since
except (OverflowError, ValueError):
# catches timestamps before the epoch
return HTTPPreconditionFailed(request=request)
if if_modified_since and \
datetime.fromtimestamp(
float(metadata['X-Timestamp']), UTC) < \
if_modified_since:
disk_file.close()
return HTTPNotModified(request=request)
response = Response(app_iter=disk_file,
request=request, conditional_response=True)
response.headers['Content-Type'] = metadata.get(
'Content-Type', 'application/octet-stream')
for key, value in metadata.iteritems():
if key.lower().startswith('x-object-meta-') or \
key.lower() in self.allowed_headers:
response.headers[key] = value
response.etag = metadata['ETag']
response.last_modified = float(metadata['X-Timestamp'])
response.content_length = file_size
if response.content_length < self.keep_cache_size and \
(self.keep_cache_private or
('X-Auth-Token' not in request.headers and
'X-Storage-Token' not in request.headers)):
disk_file.keep_cache = True
if 'Content-Encoding' in metadata:
response.content_encoding = metadata['Content-Encoding']
response.headers['X-Timestamp'] = metadata['X-Timestamp']
return request.get_response(response)
示例13: GET
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
def GET(self, request):
"""Handle HTTP GET requests for the Swift Object Server."""
#with open("/home/ubuntu/spawn-read.txt", "a") as tran_file:
# tran_file.write("At Read Start Datetime = "+str(datetime.now())+"\n")
a=time.time()
device, partition, account, container, obj, policy_idx = \
get_name_and_placement(request, 5, 5, True)
keep_cache = self.keep_cache_private or (
'X-Auth-Token' not in request.headers and
'X-Storage-Token' not in request.headers)
try:
disk_file = self.get_diskfile(
device, partition, account, container, obj,
policy_idx=policy_idx)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
try:
with disk_file.open():
metadata = disk_file.get_metadata()
obj_size = int(metadata['Content-Length'])
file_x_ts = Timestamp(metadata['X-Timestamp'])
keep_cache = (self.keep_cache_private or
('X-Auth-Token' not in request.headers and
'X-Storage-Token' not in request.headers))
response = Response(
app_iter=disk_file.reader(keep_cache=keep_cache),
request=request, conditional_response=True)
response.headers['Content-Type'] = metadata.get(
'Content-Type', 'application/octet-stream')
for key, value in metadata.iteritems():
if is_sys_or_user_meta('object', key) or \
key.lower() in self.allowed_headers:
response.headers[key] = value
response.etag = metadata['ETag']
response.last_modified = math.ceil(float(file_x_ts))
response.content_length = obj_size
try:
response.content_encoding = metadata[
'Content-Encoding']
except KeyError:
pass
response.headers['X-Timestamp'] = file_x_ts.normal
response.headers['X-Backend-Timestamp'] = file_x_ts.internal
resp = request.get_response(response)
except DiskFileXattrNotSupported:
return HTTPInsufficientStorage(drive=device, request=request)
except (DiskFileNotExist, DiskFileQuarantined) as e:
headers = {}
if hasattr(e, 'timestamp'):
headers['X-Backend-Timestamp'] = e.timestamp.internal
resp = HTTPNotFound(request=request, headers=headers,
conditional_response=True)
#with open("/home/ubuntu/spawn-read.txt", "a") as tran_file:
# tran_file.write("At Read Delay start Datetime = "+str(datetime.now())+"\n")
#a=2
#num=22227727
#for a in range(a, num):
# if a % num == 0:
# print('not prime')
# break
# else: # loop not exited via break
# print('prime')
#time.sleep(2)
#with open("/home/ubuntu/spawn-read.txt", "a") as tran_file:
# tran_file.write("At Read End Datetime = "+str(datetime.now())+"\n")
b=time.time()-a
#with open("/home/ubuntu/RSTORAGE.txt", "a") as tran_file:
# tran_file.write("Total GET duration of obj = "+str(request.path)+"="+str(b)+"="+str(datetime.now())+"\n")
return resp
示例14: GET
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
def GET(self, request):
"""Handle HTTP GET requests for the Swift Object Server."""
device, partition, account, container, obj = split_and_validate_path(request, 5, 5, True)
keep_cache = self.keep_cache_private or (
"X-Auth-Token" not in request.headers and "X-Storage-Token" not in request.headers
)
try:
disk_file = self.get_diskfile(device, partition, account, container, obj)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
try:
with disk_file.open():
metadata = disk_file.get_metadata()
obj_size = int(metadata["Content-Length"])
if request.headers.get("if-match") not in (None, "*") and metadata["ETag"] not in request.if_match:
return HTTPPreconditionFailed(request=request)
if request.headers.get("if-none-match") is not None:
if metadata["ETag"] in request.if_none_match:
resp = HTTPNotModified(request=request)
resp.etag = metadata["ETag"]
return resp
file_x_ts = metadata["X-Timestamp"]
file_x_ts_flt = float(file_x_ts)
try:
if_unmodified_since = request.if_unmodified_since
except (OverflowError, ValueError):
# catches timestamps before the epoch
return HTTPPreconditionFailed(request=request)
file_x_ts_utc = datetime.fromtimestamp(file_x_ts_flt, UTC)
if if_unmodified_since and file_x_ts_utc > if_unmodified_since:
return HTTPPreconditionFailed(request=request)
try:
if_modified_since = request.if_modified_since
except (OverflowError, ValueError):
# catches timestamps before the epoch
return HTTPPreconditionFailed(request=request)
if if_modified_since and file_x_ts_utc <= if_modified_since:
return HTTPNotModified(request=request)
keep_cache = self.keep_cache_private or (
"X-Auth-Token" not in request.headers and "X-Storage-Token" not in request.headers
)
response = Response(
app_iter=disk_file.reader(keep_cache=keep_cache), request=request, conditional_response=True
)
response.headers["Content-Type"] = metadata.get("Content-Type", "application/octet-stream")
for key, value in metadata.iteritems():
if is_user_meta("object", key) or key.lower() in self.allowed_headers:
response.headers[key] = value
response.etag = metadata["ETag"]
response.last_modified = math.ceil(file_x_ts_flt)
response.content_length = obj_size
try:
response.content_encoding = metadata["Content-Encoding"]
except KeyError:
pass
response.headers["X-Timestamp"] = file_x_ts
resp = request.get_response(response)
except DiskFileNotExist:
if request.headers.get("if-match") == "*":
resp = HTTPPreconditionFailed(request=request)
else:
resp = HTTPNotFound(request=request)
except DiskFileQuarantined:
resp = HTTPNotFound(request=request)
return resp
示例15: GET
# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers[key] [as 别名]
def GET(self, request):
"""Handle HTTP GET requests for the Swift Object Server."""
device, partition, account, container, obj = split_and_validate_path(request, 5, 5, True)
try:
disk_file = self._diskfile(device, partition, account, container, obj, keep_data_fp=True, iter_hook=sleep)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
if disk_file.is_deleted() or disk_file.is_expired():
if request.headers.get("if-match") == "*":
return HTTPPreconditionFailed(request=request)
else:
return HTTPNotFound(request=request)
try:
file_size = disk_file.get_data_file_size()
except (DiskFileError, DiskFileNotExist):
disk_file.quarantine()
return HTTPNotFound(request=request)
if request.headers.get("if-match") not in (None, "*") and disk_file.metadata["ETag"] not in request.if_match:
disk_file.close()
return HTTPPreconditionFailed(request=request)
if request.headers.get("if-none-match") is not None:
if disk_file.metadata["ETag"] in request.if_none_match:
resp = HTTPNotModified(request=request)
resp.etag = disk_file.metadata["ETag"]
disk_file.close()
return resp
try:
if_unmodified_since = request.if_unmodified_since
except (OverflowError, ValueError):
# catches timestamps before the epoch
return HTTPPreconditionFailed(request=request)
if (
if_unmodified_since
and datetime.fromtimestamp(float(disk_file.metadata["X-Timestamp"]), UTC) > if_unmodified_since
):
disk_file.close()
return HTTPPreconditionFailed(request=request)
try:
if_modified_since = request.if_modified_since
except (OverflowError, ValueError):
# catches timestamps before the epoch
return HTTPPreconditionFailed(request=request)
if (
if_modified_since
and datetime.fromtimestamp(float(disk_file.metadata["X-Timestamp"]), UTC) < if_modified_since
):
disk_file.close()
return HTTPNotModified(request=request)
response = Response(app_iter=disk_file, request=request, conditional_response=True)
response.headers["Content-Type"] = disk_file.metadata.get("Content-Type", "application/octet-stream")
for key, value in disk_file.metadata.iteritems():
if key.lower().startswith("x-object-meta-") or key.lower() in self.allowed_headers:
response.headers[key] = value
response.etag = disk_file.metadata["ETag"]
response.last_modified = float(disk_file.metadata["X-Timestamp"])
response.content_length = file_size
if response.content_length < self.keep_cache_size and (
self.keep_cache_private
or ("X-Auth-Token" not in request.headers and "X-Storage-Token" not in request.headers)
):
disk_file.keep_cache = True
if "Content-Encoding" in disk_file.metadata:
response.content_encoding = disk_file.metadata["Content-Encoding"]
response.headers["X-Timestamp"] = disk_file.metadata["X-Timestamp"]
return request.get_response(response)