def publish_to_xml(context):
"""Generates XML for object and saves it to the file. If object contains
attachments - XML is saved in zip archive with all attached files.
"""
context = zope.security.proxy.removeSecurityProxy(context)
obj_type = IWorkflow(context).name
#locking
lock_name = "%s-%s" %(obj_type, stringKey(context))
with LockStore.get_lock(lock_name):
#root key (used to cache files to zip)
root_key = make_key()
#create a fake interaction to ensure items requiring a participation
#are serialized
#!+SERIALIZATION(mb, Jan-2013) review this approach
try:
zope.security.management.getInteraction()
except zope.security.interfaces.NoInteraction:
principal = zope.security.testing.Principal('user', 'manager', ())
zope.security.management.newInteraction(create_participation(principal))
include = []
# data dict to be published
data = {}
if interfaces.IFeatureVersion.providedBy(context):
include.append("versions")
if interfaces.IFeatureAudit.providedBy(context):
include.append("event")
exclude = ["data", "event", "attachments"]
data.update(
obj2dict(context, 1,
parent=None,
include=include,
exclude=exclude,
root_key=root_key
)
)
tags = IStateController(context).get_state().tags
if tags:
data["tags"] = tags
permissions = get_object_state_rpm(context).permissions
data["permissions"] = get_permissions_dict(permissions)
# setup path to save serialized data
path = os.path.join(setupStorageDirectory(), obj_type)
if not os.path.exists(path):
os.makedirs(path)
# xml file path
file_path = os.path.join(path, stringKey(context))
#files to zip
files = []
if interfaces.IFeatureAttachment.providedBy(context):
attachments = getattr(context, "attachments", None)
if attachments:
data["attachments"] = []
for attachment in attachments:
# serializing attachment
attachment_dict = obj2dict(attachment, 1,
parent=context,
exclude=["data", "event", "versions"])
# saving attachment to tmp
attached_file = tmp(delete=False)
attached_file.write(attachment.data)
attached_file.flush()
attached_file.close()
files.append(attached_file.name)
attachment_dict["saved_file"] = os.path.basename(
attached_file.name
)
data["attachments"].append(attachment_dict)
#add explicit origin chamber for this object (used to partition data in
#if more than one parliament exists)
data["origin_parliament"] = get_origin_parliament(context)
#add any additional files to file list
files = files + PersistFiles.get_files(root_key)
# zipping xml, attached files plus any binary fields
# also remove the temporary files
if files:
#generate temporary xml file
temp_xml = tmp(delete=False)
temp_xml.write(serialize(data, name=obj_type))
temp_xml.close()
#write attachments/binary fields to zip
with ZipFile("%s.zip" % (file_path), "w") as zip_file:
for f in files:
zip_file.write(f, os.path.basename(f))
# write the xml
zip_file.write(temp_xml.name, "%s.xml" % os.path.basename(file_path))
files.append(temp_xml.name)
else:
# save serialized xml to file
with open("%s.xml" % (file_path), "w") as xml_file:
xml_file.write(serialize(data, name=obj_type))
xml_file.close()
# publish to rabbitmq outputs queue
connection = bungeni.core.notifications.get_mq_connection()
if not connection:
return
channel = connection.channel()
publish_file_path = "%s.%s" %(file_path, ("zip" if files else "xml"))
channel.basic_publish(
exchange=SERIALIZE_OUTPUT_EXCHANGE,
routing_key=SERIALIZE_OUTPUT_ROUTING_KEY,
body=simplejson.dumps({"type": "file", "location": publish_file_path }),
properties=pika.BasicProperties(content_type="text/plain",
delivery_mode=2
)
)
#clean up - remove any files if zip was/was not created
if files:
files.append("%s.%s" %(file_path, "xml"))
else:
files.append("%s.%s" %(file_path, "zip"))
remove_files(files)
#clear the cache
PersistFiles.clear_files(root_key)
def publish_to_xml(context):
"""Generates XML for object and saves it to the file. If object contains
attachments - XML is saved in zip archive with all attached files.
"""
#create a fake interaction to ensure items requiring a participation
#are serialized
#!+SERIALIZATION(mb, Jan-2013) review this approach
try:
zope.security.management.getInteraction()
except zope.security.interfaces.NoInteraction:
principal = zope.security.testing.Principal('user', 'manager', ())
zope.security.management.newInteraction(create_participation(principal))
include = []
# list of files to zip
files = []
# data dict to be published
data = {}
context = zope.security.proxy.removeSecurityProxy(context)
if interfaces.IFeatureVersion.providedBy(context):
include.append("versions")
if interfaces.IFeatureAudit.providedBy(context):
include.append("event")
exclude = ["data", "event", "attachments", "changes"]
# include binary fields and include them in the zip of files for this object
for column in class_mapper(context.__class__).columns:
if column.type.__class__ == Binary:
exclude.append(column.key)
content = getattr(context, column.key, None)
if content:
bfile = tmp(delete=False)
bfile.write(content)
files.append(bfile.name)
data[column.key] = dict(
saved_file=os.path.basename(bfile.name)
)
bfile.close()
data.update(
obj2dict(context, 1,
parent=None,
include=include,
exclude=exclude
)
)
obj_type = IWorkflow(context).name
tags = IStateController(context).get_state().tags
if tags:
data["tags"] = tags
permissions = get_object_state_rpm(context).permissions
data["permissions"] = get_permissions_dict(permissions)
data["changes"] = []
for change in getattr(context, "changes", []):
change_dict = obj2dict(change, 0, parent=context)
change_permissions = get_head_object_state_rpm(change).permissions
change_dict["permissions"] = get_permissions_dict(change_permissions)
data["changes"].append(change_dict)
# setup path to save serialized data
path = os.path.join(setupStorageDirectory(), obj_type)
if not os.path.exists(path):
os.makedirs(path)
# xml file path
file_path = os.path.join(path, stringKey(context))
if interfaces.IFeatureAttachment.providedBy(context):
attachments = getattr(context, "attachments", None)
if attachments:
data["attachments"] = []
for attachment in attachments:
# serializing attachment
attachment_dict = obj2dict(attachment, 1,
parent=context,
exclude=["data", "event", "versions"])
permissions = get_object_state_rpm(attachment).permissions
attachment_dict["permissions"] = \
get_permissions_dict(permissions)
# saving attachment to tmp
attached_file = tmp(delete=False)
attached_file.write(attachment.data)
attached_file.flush()
attached_file.close()
files.append(attached_file.name)
attachment_dict["saved_file"] = os.path.basename(
attached_file.name
)
data["attachments"].append(attachment_dict)
# zipping xml, attached files plus any binary fields
# also remove the temporary files
if files:
#generate temporary xml file
temp_xml = tmp(delete=False)
temp_xml.write(serialize(data, name=obj_type))
temp_xml.close()
#write attachments/binary fields to zip
zip_file = ZipFile("%s.zip" % (file_path), "w")
for f in files:
zip_file.write(f, os.path.basename(f))
os.remove(f)
#write the xml
zip_file.write(temp_xml.name, "%s.xml" % os.path.basename(file_path))
zip_file.close()
#placed remove after zip_file.close !+ZIP_FILE_CRC_FAILURE
os.remove(temp_xml.name)
else:
# save serialized xml to file
with open("%s.xml" % (file_path), "w") as xml_file:
xml_file.write(serialize(data, name=obj_type))
xml_file.close()
#publish to rabbitmq outputs queue
connection = get_mq_connection()
if not connection:
return
channel = connection.channel()
publish_file_path = "%s.%s" %(file_path, ("zip" if files else "xml"))
channel.basic_publish(
exchange=SERIALIZE_OUTPUT_EXCHANGE,
routing_key=SERIALIZE_OUTPUT_ROUTING_KEY,
body=simplejson.dumps({"type": "file", "location": publish_file_path }),
properties=pika.BasicProperties(content_type="text/plain",
delivery_mode=2
)
)
#clean up - remove any files if zip was created
if files:
prev_xml_file = "%s.%s" %(file_path, "xml")
if os.path.exists(prev_xml_file):
os.remove(prev_xml_file)
def publish_to_xml(context):
"""Generates XML for object and saves it to the file. If object contains
attachments - XML is saved in zip archive with all attached files.
"""
context = zope.security.proxy.removeSecurityProxy(context)
obj_type = IWorkflow(context).name
#locking
lock_name = "%s-%s" % (obj_type, stringKey(context))
with LockStore.get_lock(lock_name):
#root key (used to cache files to zip)
root_key = make_key()
#create a fake interaction to ensure items requiring a participation
#are serialized
#!+SERIALIZATION(mb, Jan-2013) review this approach
try:
zope.security.management.getInteraction()
except zope.security.interfaces.NoInteraction:
principal = zope.security.testing.Principal('user', 'manager', ())
zope.security.management.newInteraction(
create_participation(principal))
include = []
# data dict to be published
data = {}
if interfaces.IFeatureVersion.providedBy(context):
include.append("versions")
if interfaces.IFeatureAudit.providedBy(context):
include.append("event")
exclude = ["data", "event", "attachments"]
data.update(
obj2dict(context,
1,
parent=None,
include=include,
exclude=exclude,
root_key=root_key))
tags = IStateController(context).get_state().tags
if tags:
data["tags"] = tags
permissions = get_object_state_rpm(context).permissions
data["permissions"] = get_permissions_dict(permissions)
# setup path to save serialized data
path = os.path.join(setupStorageDirectory(), obj_type)
if not os.path.exists(path):
os.makedirs(path)
# xml file path
file_path = os.path.join(path, stringKey(context))
#files to zip
files = []
if interfaces.IFeatureAttachment.providedBy(context):
attachments = getattr(context, "attachments", None)
if attachments:
data["attachments"] = []
for attachment in attachments:
# serializing attachment
attachment_dict = obj2dict(
attachment,
1,
parent=context,
exclude=["data", "event", "versions"])
# saving attachment to tmp
attached_file = tmp(delete=False)
attached_file.write(attachment.data)
attached_file.flush()
attached_file.close()
files.append(attached_file.name)
attachment_dict["saved_file"] = os.path.basename(
attached_file.name)
data["attachments"].append(attachment_dict)
#add explicit origin chamber for this object (used to partition data in
#if more than one parliament exists)
data["origin_parliament"] = get_origin_parliament(context)
#add any additional files to file list
files = files + PersistFiles.get_files(root_key)
# zipping xml, attached files plus any binary fields
# also remove the temporary files
if files:
#generate temporary xml file
temp_xml = tmp(delete=False)
temp_xml.write(serialize(data, name=obj_type))
temp_xml.close()
#write attachments/binary fields to zip
with ZipFile("%s.zip" % (file_path), "w") as zip_file:
for f in files:
zip_file.write(f, os.path.basename(f))
# write the xml
zip_file.write(temp_xml.name,
"%s.xml" % os.path.basename(file_path))
files.append(temp_xml.name)
else:
# save serialized xml to file
with open("%s.xml" % (file_path), "w") as xml_file:
xml_file.write(serialize(data, name=obj_type))
xml_file.close()
# publish to rabbitmq outputs queue
connection = bungeni.core.notifications.get_mq_connection()
if not connection:
return
channel = connection.channel()
publish_file_path = "%s.%s" % (file_path, ("zip" if files else "xml"))
channel.basic_publish(exchange=SERIALIZE_OUTPUT_EXCHANGE,
routing_key=SERIALIZE_OUTPUT_ROUTING_KEY,
body=simplejson.dumps({
"type":
"file",
"location":
publish_file_path
}),
properties=pika.BasicProperties(
content_type="text/plain", delivery_mode=2))
#clean up - remove any files if zip was/was not created
if files:
files.append("%s.%s" % (file_path, "xml"))
else:
files.append("%s.%s" % (file_path, "zip"))
remove_files(files)
#clear the cache
PersistFiles.clear_files(root_key)
def publish_to_xml(context):
"""Generates XML for object and saves it to the file. If object contains
attachments - XML is saved in zip archive with all attached files.
"""
context = zope.security.proxy.removeSecurityProxy(context)
obj_type = IWorkflow(context).name
#locking
random_name_sfx = generate_random_filename()
context_file_name = "%s-%s" % (stringKey(context), random_name_sfx)
#lock_name = "%s-%s" %(obj_type, context_file_name)
#!+LOCKING(AH, 25-01-2014) disabling file locking
#! locking was reqiured when the serializer used ta constant file name
#! for an object. Now serialized file names are unique, and non repeated
#with LockStore.get_lock(lock_name):
#
#root key (used to cache files to zip)
root_key = make_key()
# create a fake interaction to ensure items requiring a participation
# are serialized
#!+SERIALIZATION(mb, Jan-2013) review this approach
try:
zope.security.management.getInteraction()
except zope.security.interfaces.NoInteraction:
principal = zope.security.testing.Principal("user", "manager", ())
zope.security.management.newInteraction(create_participation(principal))
include = []
# data dict to be published
data = {}
if IFeatureVersion.providedBy(context):
include.append("versions")
if IFeatureEvent.providedBy(context):
include.append("event")
exclude = ["data", "event", "attachments"]
updated_dict = obj2dict(context, 1,
parent=None,
include=include,
exclude=exclude,
root_key=root_key
)
data.update(
updated_dict
)
tags = IStateController(context).get_state().tags
if tags:
data["tags"] = tags
permissions = get_object_state_rpm(context).permissions
data["permissions"] = get_permissions_dict(permissions)
# setup path to save serialized data
path = os.path.join(setupStorageDirectory(), obj_type)
log.info("Setting up path to write to : %s", path)
if not os.path.exists(path):
#
# !+THREADSAFE(AH, 2014-09-24) making makedirs threadsafe,
# sometimes between checking for existence and execution
# of makedirs() the folder has already been created by
# another thread
try:
os.makedirs(path)
except OSError as exc:
if exc.errno == errno.EEXIST and os.path.isdir(path):
log.info("Error Folder : %s already exists, ignoring exception ", path)
else:
raise
# xml file path
file_path = os.path.join(path, context_file_name)
# files to zip
files = []
if IFeatureAttachment.providedBy(context):
attachments = getattr(context, "attachments", None)
if attachments:
data["attachments"] = []
for attachment in attachments:
# serializing attachment
attachment_dict = obj2dict(attachment, 1,
parent=context,
exclude=["data", "event", "versions"])
# saving attachment to tmp
attached_file = tmp(delete=False)
attached_file.write(attachment.data)
attached_file.flush()
attached_file.close()
files.append(attached_file.name)
attachment_dict["saved_file"] = os.path.basename(
attached_file.name
)
data["attachments"].append(attachment_dict)
# add explicit origin chamber for this object (used to partition data
# in if more than one chamber exists)
if obj_type == "Legislature":
data["origin_chamber"] = None
else:
data["origin_chamber"] = get_origin_chamber(context)
# add any additional files to file list
files = files + PersistFiles.get_files(root_key)
# zipping xml, attached files plus any binary fields
# also remove the temporary files
if files:
# generate temporary xml file
temp_xml = tmp(delete=False)
temp_xml.write(serialize(data, name=obj_type))
temp_xml.close()
# write attachments/binary fields to zip
with ZipFile("%s.zip" % (file_path), "w") as zip_file:
for f in files:
zip_file.write(f, os.path.basename(f))
# write the xml
zip_file.write(temp_xml.name, "%s.xml" % os.path.basename(file_path))
files.append(temp_xml.name)
else:
# save serialized xml to file
with open("%s.xml" % (file_path), "w") as xml_file:
xml_file.write(serialize(data, name=obj_type))
xml_file.close()
# publish to rabbitmq outputs queue
connection = bungeni.core.notifications.get_mq_connection()
if not connection:
return
channel = connection.channel()
#channel.confirm_delivery()
publish_file_path = "%s.%s" %(file_path, ("zip" if files else "xml"))
#channel_delivery =
channel.basic_publish(
exchange=SERIALIZE_OUTPUT_EXCHANGE,
routing_key=SERIALIZE_OUTPUT_ROUTING_KEY,
body=simplejson.dumps({"type": "file", "location": publish_file_path }),
properties=pika.BasicProperties(content_type="text/plain",
delivery_mode=2
)
)
#if channel_delivery:
# log.info("Message published to exchange %s with key %s for %s" %
# (SERIALIZE_OUTPUT_EXCHANGE, SERIALIZE_OUTPUT_ROUTING_KEY, publish_file_path))
#else:
# log.error("Message publication failed for %r", publish_file_path)
#clean up - remove any files if zip was/was not created
if files:
files.append("%s.%s" %(file_path, "xml"))
else:
files.append("%s.%s" %(file_path, "zip"))
remove_files(files)
# clear the cache
PersistFiles.clear_files(root_key)
def publish_to_xml(context):
"""Generates XML for object and saves it to the file. If object contains
attachments - XML is saved in zip archive with all attached files.
"""
#create a fake interaction to ensure items requiring a participation
#are serialized
#!+SERIALIZATION(mb, Jan-2013) review this approach
try:
zope.security.management.getInteraction()
except zope.security.interfaces.NoInteraction:
principal = zope.security.testing.Principal('user', 'manager', ())
zope.security.management.newInteraction(
create_participation(principal))
include = []
# list of files to zip
files = []
# data dict to be published
data = {}
context = zope.security.proxy.removeSecurityProxy(context)
if interfaces.IFeatureVersion.providedBy(context):
include.append("versions")
if interfaces.IFeatureAudit.providedBy(context):
include.append("event")
exclude = ["data", "event", "attachments", "changes"]
# include binary fields and include them in the zip of files for this object
for column in class_mapper(context.__class__).columns:
if column.type.__class__ == Binary:
exclude.append(column.key)
content = getattr(context, column.key, None)
if content:
bfile = tmp(delete=False)
bfile.write(content)
files.append(bfile.name)
data[column.key] = dict(
saved_file=os.path.basename(bfile.name))
bfile.close()
data.update(
obj2dict(context, 1, parent=None, include=include, exclude=exclude))
obj_type = IWorkflow(context).name
tags = IStateController(context).get_state().tags
if tags:
data["tags"] = tags
permissions = get_object_state_rpm(context).permissions
data["permissions"] = get_permissions_dict(permissions)
data["changes"] = []
for change in getattr(context, "changes", []):
change_dict = obj2dict(change, 0, parent=context)
change_permissions = get_head_object_state_rpm(change).permissions
change_dict["permissions"] = get_permissions_dict(change_permissions)
data["changes"].append(change_dict)
# setup path to save serialized data
path = os.path.join(setupStorageDirectory(), obj_type)
if not os.path.exists(path):
os.makedirs(path)
# xml file path
file_path = os.path.join(path, stringKey(context))
if interfaces.IFeatureAttachment.providedBy(context):
attachments = getattr(context, "attachments", None)
if attachments:
data["attachments"] = []
for attachment in attachments:
# serializing attachment
attachment_dict = obj2dict(
attachment,
1,
parent=context,
exclude=["data", "event", "versions"])
permissions = get_object_state_rpm(attachment).permissions
attachment_dict["permissions"] = \
get_permissions_dict(permissions)
# saving attachment to tmp
attached_file = tmp(delete=False)
attached_file.write(attachment.data)
attached_file.flush()
attached_file.close()
files.append(attached_file.name)
attachment_dict["saved_file"] = os.path.basename(
attached_file.name)
data["attachments"].append(attachment_dict)
# zipping xml, attached files plus any binary fields
# also remove the temporary files
if files:
#generate temporary xml file
temp_xml = tmp(delete=False)
temp_xml.write(serialize(data, name=obj_type))
temp_xml.close()
#write attachments/binary fields to zip
zip_file = ZipFile("%s.zip" % (file_path), "w")
for f in files:
zip_file.write(f, os.path.basename(f))
os.remove(f)
#write the xml
zip_file.write(temp_xml.name, "%s.xml" % os.path.basename(file_path))
zip_file.close()
#placed remove after zip_file.close !+ZIP_FILE_CRC_FAILURE
os.remove(temp_xml.name)
else:
# save serialized xml to file
with open("%s.xml" % (file_path), "w") as xml_file:
xml_file.write(serialize(data, name=obj_type))
xml_file.close()
#publish to rabbitmq outputs queue
connection = get_mq_connection()
if not connection:
return
channel = connection.channel()
publish_file_path = "%s.%s" % (file_path, ("zip" if files else "xml"))
channel.basic_publish(exchange=SERIALIZE_OUTPUT_EXCHANGE,
routing_key=SERIALIZE_OUTPUT_ROUTING_KEY,
body=simplejson.dumps({
"type": "file",
"location": publish_file_path
}),
properties=pika.BasicProperties(
content_type="text/plain", delivery_mode=2))
#clean up - remove any files if zip was created
if files:
prev_xml_file = "%s.%s" % (file_path, "xml")
if os.path.exists(prev_xml_file):
os.remove(prev_xml_file)
