def deleteResource(self, resource=None, resource_id=None):
"""
Remove a resource from the database.
"""
if resource_id:
resource = self.xmldb.getResource(id=resource_id)
# create backup entry into the global trash folder
if self.env.config.getbool('seishub', 'use_trash_folder', False):
data = resource.document.data
# ensure we return a UTF-8 encoded string not an Unicode object
if isinstance(data, unicode):
data = data.encode('utf-8')
# set XML declaration inclusive UTF-8 encoding string
if not data.startswith('<xml'):
data = addXMLDeclaration(data, 'utf-8')
path = os.path.join(self.env.getInstancePath(), 'data', 'trash',
resource.package.package_id,
resource.resourcetype.resourcetype_id)
if not os.path.exists(path):
os.makedirs(path)
# add current datetime to filename to prevent overwriting resources
# with the same filename (e.g. resource deleted/created several
# times)
filename = resource.name
filename += datetime.datetime.now().strftime('__%Y%m%d%H%M%S')
file = os.path.join(path, filename)
try:
fp = open(file, 'wb')
fp.write(data)
fp.close()
except:
pass
# remove indexed data:
self.index_catalog.flushResource(resource)
res = self.xmldb.deleteResource(resource)
if not res:
msg = "Error deleting a resource: No resource was found with " + \
"the given parameters."
raise NotFoundError(msg)
return res
def render_GET(self, request):
"""
Process a resource query request.
A query at the root of a resource type folder returns a list of all
available XML resource objects of this resource type. Direct request on
a XML resource results in the content of a XML document. Before
returning a XML document, we add a valid XML declaration header and
encode it as UTF-8 string.
@see:
U{http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.1}
for all possible error codes.
"""
# global anonymous access allowed
if request.env.auth.getUser('anonymous').permissions != 755:
self._checkPermissions(request, 755)
data = self.res.document.data
# ensure we return a UTF-8 encoded string not an Unicode object
if isinstance(data, unicode):
data = data.encode('utf-8')
# set XML declaration inclusive UTF-8 encoding string
if not data.startswith('<xml'):
data = addXMLDeclaration(data, 'utf-8')
# handle output/format conversion
data = self._format(request, data)
# set last-modified time
dt = UTCDateTime(self.res.document.meta.getDatetime())
try:
request.setLastModified(dt.timestamp)
except:
pass
# # cache control - 10 seconds
# now = UTCDateTime()
# request.setHeader("Cache-Control", "max-age = 10")
# request.setHeader("Expires", http.datetimeToString(now.timestamp + 10))
# return data
return data
# -*- coding: utf-8 -*-
from seishub.core.core import implements
from seishub.core.db.orm import Serializable, Relation, db_property, LazyAttribute
from seishub.core.exceptions import InvalidParameterError
from seishub.core.registry.package import ResourceTypeWrapper
from seishub.core.util.text import hash, validate_id
from seishub.core.util.xml import toUnicode, parseXMLDeclaration, addXMLDeclaration
from seishub.core.util.xmlwrapper import IXmlDoc, XmlTreeDoc
from seishub.core.xmldb.defaults import resource_tab, document_tab, \
document_meta_tab
from seishub.core.xmldb.interfaces import IResource, IXmlDocument, IDocumentMeta
XML_DECLARATION_LENGTH = len(addXMLDeclaration(""))
class DocumentMeta(Serializable):
"""contains document specific metadata;
such as: size, datetime, hash, user_id
"""
implements (IDocumentMeta)
db_table = document_meta_tab
db_mapping = {
'_id':'id',
'uid':'uid',
'datetime':'datetime',
'size':'size',
def render_GET(self, request):
property = request.postpath[-1]
# check for valid properties
if property == '.index':
res = request.env.catalog.getResource(self.package_id,
self.resourcetype_id,
self.name,
self.revision)
# dictionary of indexes
index_dict = request.env.catalog.getIndexData(res)
# create a XML document
root = etree.Element("seishub")
for label, values_dict in index_dict.iteritems():
sub = etree.SubElement(root, label)
for _pos, values in values_dict.iteritems():
for value in values:
if not value:
continue
if not isinstance(value, basestring):
value = unicode(value)
etree.SubElement(sub, "value").text = value
data = etree.tostring(root, pretty_print=True, encoding='utf-8')
format_prefix = 'index'
elif property == '.meta':
res = request.env.catalog.getResource(self.package_id,
self.resourcetype_id,
self.name,
self.revision)
meta = res.document.meta
# create a XML document
root = etree.Element("seishub")
etree.SubElement(root, "package").text = self.package_id
etree.SubElement(root, "resourcetype").text = self.resourcetype_id
etree.SubElement(root, "name").text = self.name
etree.SubElement(root, "document_id").text = str(res.document._id)
etree.SubElement(root, "resource_id").text = str(res._id)
etree.SubElement(root, "revision").text = \
str(res.document.revision)
etree.SubElement(root, "uid").text = unicode(meta.uid)
etree.SubElement(root, "datetime").text = \
unicode(meta.datetime.isoformat())
etree.SubElement(root, "size").text = unicode(meta.size)
etree.SubElement(root, "hash").text = unicode(meta.hash)
data = etree.tostring(root, pretty_print=True, encoding='utf-8')
format_prefix = 'meta'
else:
raise NotFoundError("Property %s is not defined." % property)
# ensure we return a utf-8 encoded string not an unicode object
if isinstance(data, unicode):
data = data.encode('utf-8')
# set XML declaration inclusive UTF-8 encoding string
if not data.startswith('<xml'):
data = addXMLDeclaration(data, 'utf-8')
# parse request headers for output type
format = request.args.get('format', [None])[0] or \
request.args.get('output', [None])[0]
# handle output/format conversion
if format:
format = '%s.%s' % (format_prefix, format)
# fetch a XSLT document object
reg = request.env.registry
xslt = reg.stylesheets.get(package_id='seishub',
resourcetype_id='stylesheet',
type=format)
if len(xslt):
xslt = xslt[0]
data = xslt.transform(data)
# set additional content-type if given in XSLT
if xslt.content_type:
request.setHeader('content-type',
xslt.content_type + '; charset=UTF-8')
else:
msg = "There is no stylesheet for requested format %s."
request.env.log.debug(msg % format)
return data
# -*- coding: utf-8 -*-
from seishub.core.core import implements
from seishub.core.db.orm import Serializable, Relation, db_property, LazyAttribute
from seishub.core.exceptions import InvalidParameterError
from seishub.core.registry.package import ResourceTypeWrapper
from seishub.core.util.text import hash, validate_id
from seishub.core.util.xml import toUnicode, parseXMLDeclaration, addXMLDeclaration
from seishub.core.util.xmlwrapper import IXmlDoc, XmlTreeDoc
from seishub.core.xmldb.defaults import resource_tab, document_tab, \
document_meta_tab
from seishub.core.xmldb.interfaces import IResource, IXmlDocument, IDocumentMeta
XML_DECLARATION_LENGTH = len(addXMLDeclaration(""))
class DocumentMeta(Serializable):
"""contains document specific metadata;
such as: size, datetime, hash, user_id
"""
implements(IDocumentMeta)
db_table = document_meta_tab
db_mapping = {
'_id': 'id',
'uid': 'uid',
'datetime': 'datetime',
'size': 'size',
'hash': 'hash'