def normalize_args(parser, mpreq):
"""
Normalizer for Python's cgi library.
"""
args = {}
fs = FieldStorage(mpreq)
# Cast down from the FieldStorage object to Python str.
for name in fs.keys():
value = fs[name]
if isinstance(value, str):
value = str(value)
elif isinstance(value, Field):
value = FileUpload(value)
elif isinstance(value, list):
for i in range(len(value)):
if isinstance(value[i], str):
value[i] = str(value[i])
elif isinstance(value[i], Field):
value[i] = FileUpload(value[i])
if name: # mod_python sometimes gives a None key
args[name] = value
return args
def dispatch(self, req):
global configs, oaiDcReader, c3OaiServers
path = req.uri[1:]
if (path[-1] == "/"):
path = path[:-1]
if configs.has_key(path):
args = {}
# parse options out of req
store = FieldStorage(req)
for qp in store.list:
args[qp.name] = qp.value
try:
oaixml = MinimalOaiServer(c3OaiServers[path],
c3OaiServers[path].metadataRegistry)
except KeyError:
oai = Cheshire3OaiServer(path)
c3OaiServers[path] = oai
oaixml = MinimalOaiServer(oai, oai.metadataRegistry)
try:
xmlresp = oaixml.handleRequest(args)
except DatestampError:
try:
raise BadArgumentError('Invalid date format supplied.')
except:
xmlresp = oaixml.handleException(args, sys.exc_info())
except C3Exception, e:
xmlresp = '<c3:error xmlns:c3="http://www.cheshire3.org/schemas/error" code="%s">%s</c3:error>' % (
str(e.__class__).split('.')[-1], e.reason)
self.send_xml(xmlresp, req)
def handle_docs(self, req):
# retrieve documentation for object
store = FieldStorage(req)
try:
objid = store['contextId']
context = serv.get_object(session, objid)
target = store['targetId']
obj = context.get_object(session, target)
except:
obj = None
if not obj:
self.send_xml("<fault>Unknown object</fault>", req);
return
docs = []
# look on object for manual docs
if obj.docstring:
docs.append('<doc from="%s">' % obj.id)
docs.append(obj.docstring)
docs.append("</doc>")
classList = [obj.__class__]
done = [];
while classList:
cl = classList.pop(0)
if cl.__module__ != '__builtin__' and cl.__doc__ and not (cl in done):
docs.append('<doc from="%s.%s">' % (cl.__module__, cl.__name__))
docs.append(cl.__doc__)
docs.append("</doc>")
done.append(cl)
classList.extend(list(cl.__bases__))
self.send_xml("<docs>" + '\n'.join(docs) + "</docs>", req)
def handle_classDocs(self, req):
# retrieve documentation for object
store = FieldStorage(req)
try:
cls = store['className']
except:
self.send_xml("<fault>Missing className</fault>", req);
return
try:
obj = arch.find_class(cls)
except:
self.send_xml("<fault>No such class: %s</fault>" % cls, req)
docs = []
classList = [obj]
done = [];
while classList:
cl = classList.pop(0)
if cl.__module__ != '__builtin__' and cl.__doc__ and not (cl in done):
docs.append('<doc from="%s.%s">' % (cl.__module__, cl.__name__))
docs.append(cl.__doc__)
docs.append("</doc>")
done.append(cl)
classList.extend(list(cl.__bases__))
self.send_xml("<docs>" + '\n'.join(docs) + "</docs>", req)
def handle_getConfig(self, req):
# fetch configuration (eg for editing existing workflow)
store = FieldStorage(req)
try:
objid = store['contextId']
context = serv.get_object(session, objid)
except:
self.send_xml("<fault>Unknown object: %s</fault>" % objid, req);
return
try:
target = store['targetId']
obj = context.get_object(session, target)
except:
raise
self.send_xml("<fault>Unknown object: %s</fault>" % target, req);
return
config = obj.parent.get_config(session, target)
cfgStr = config.getAttributeNS(None, 'configStore')
if cfgStr:
confStore = context.get_object(session, cfgStr)
try:
del context.subConfigs[target]
del context.objects[target]
except KeyError, e:
pass
# now re-retrieve from confStore
rec = confStore.fetch_record(session, target)
dom = rec.get_dom(session)
config = dom.childNodes[0]
config.setAttributeNS(None, 'configStore', cfgStr)
context.subConfigs[target] = config
def handle_listFunctions(self, req):
# retrieve list of function on object
store = FieldStorage(req)
try:
objid = store['contextId']
context = serv.get_object(session, objid)
except:
self.send_xml("<fault>Unknown object: %s</fault>" % (objid), req)
return
try:
target = store['targetId']
if target[:8] == "default ":
# use random object of this type?
otype = target[8:]
obj = context.get_path(session, otype)
else:
obj = context.get_object(session, target)
select = store['select']
except:
self.send_xml("<fault>Unknown object: %s</fault>" % (target), req)
return
properties = dir(obj)
imt = type(self.handle_listObjects)
funcs = []
for p in properties:
if p[0] != "_" and type(getattr(obj, p)) == imt:
funcs.append(p)
xml = [
'<select xmlns="http://www.w3.org/1999/xhtml" id="functionNameSelect" onchange="set_function()">'
]
xml.append('<option value="">(No Function)</option>')
boringFns = [
'add_logging', 'add_auth', 'get_setting', 'get_path',
'get_default', 'get_object', 'get_config', 'remove_logging',
'remove_auth'
]
for f in funcs:
if f in boringFns:
# emphasize fns not everywhere
name = '<span style="color:#888888;">%s</span>' % f
else:
name = f
if f == select:
xml.append('<option value="%s" selected="true">%s</option>' %
(f, name))
else:
xml.append('<option value="%s">%s</option>' % (f, name))
xml.append("</select>")
self.send_xml(''.join(xml), req)
def handle_listTypedObjects(self, req):
# get list of typed objects, eg loggers
storeHash = {}
collHash = {}
processHash = {}
# get start obj from request
store = FieldStorage(req)
try:
objid = store['contextId']
except:
self.send_xml("<fault>Missing contextId</fault>", req)
return
try:
obj = serv.get_object(session, objid)
except:
self.send_xml("<fault>Unknown object: '%s'</fault>" % objid, req)
return
try:
objType = store['objectType']
except:
self.send_xml("<fault>Missing parameter: objectType</fault>")
return
try:
dflt = store['default']
except:
dflt = None
oids = []
while obj:
for oid in obj.subConfigs.keys():
dom = obj.subConfigs[oid]
t = dom.getAttributeNS(None, 'type')
if t == objType and oid != dflt:
oids.append(oid)
obj = obj.parent
oids.sort()
html = [
'<select id="loggerObjectSelect" xmlns="http://www.w3.org/1999/xhtml">'
]
if dflt:
html.append('<option value="%s">%s</option>' % (dflt, dflt))
html.append('<option value="">Default Logger</option>')
for o in oids:
html.append('<option value="%s">%s</option>' % (o, o))
html.append('</select>')
xml = '\n'.join(html)
self.send_xml(xml, req)
def _reqArgs(req):
"""
Returns a dictionary of name->value pairs for request's arguments and fields.
"""
result = {}
data = FieldStorage(req, keep_blank_values=1)
for fieldName in data.keys():
fieldData = data[fieldName]
if type(fieldData) is list: # on POST requests if there is name collision between a parameter and a field
result[fieldName] = fieldData[-1].value
else:
result[fieldName] = fieldData.value
return result
def handler(req):
req.content_type = "text/plain"
from mod_python.util import FieldStorage
FS = FieldStorage(req)
logfile = StringIO.StringIO()
if req.filename.find("distl.signal_strength_bcsb")>=0:
from spotfinder.servers.apache_bcsb import run as run_command
elif req.filename.find("distl.signal_strength")>0:
run_command = run
elif req.filename.find("dials.find_spots")>0:
from spotfinder.servers.apache_dials import run as run_command
logfile.write(run_command(args=FS))
log = logfile.getvalue()
req.set_content_length(len(log))
req.write(log)
return apache.OK
def handle_create(self, req):
# Create a new object (workflow or otherwise)
store = FieldStorage(req)
try:
objid = store['contextId']
storeid = store['storeId']
targetid = store['targetId']
workflow = store['config']
replace = int(store['replace'])
context = serv.get_object(session, objid)
confStore = context.get_object(session, storeid)
except:
context = None
contStore = None
if not context or not confStore:
self.send_xml("<fault>Unknown object</fault>", req);
return
try:
contStore.fetch_record(session, targetid)
if not replace:
self.send_xml("<fault>Object exists</fault>", req)
return
except:
# does not exist
pass
try:
p = context.get_object(session, 'SaxParser')
d = StringDocument(workflow)
rec = p.process_document(session, d)
rec.id = targetid
rec.recordStore = storeid
confStore.begin_storing(session)
confStore.store_record(session, rec)
confStore.commit_storing(session)
except Exception, e:
self.send_xml("<fault>Storing failed %s</fault>" % e , req)
return
def handle_workflowRequest(self, config, req):
postdata = FieldStorage(req)
xmlstr = postdata.get('requestxml', None)
if not (xmlstr):
# throw some sensible error
time.sleep(1)
req.write('ERROR : No request XML submitted\n')
return
# else:
# self.log.write(xmlstr)
doc = document.StringDocument(xmlstr)
rec = mdp.process_document(session, doc)
self.log.write('rec.get_xml():\n%s\n' % rec.get_xml(session))
dom = rec.get_dom(session)
#now do some clever dynamic object stuff
wfNode = dom.childNodes[0]
wfNode = dom.getElementsByTagName('workflow')[0]
wfConf = self._generateWorkflowConfigNode(wfNode)
wfobj = SimpleWorkflow(session, wfConf, serv)
inputs = dom.getElementsByTagName('inputs')[0]
time.sleep(1)
if not (wfobj):
req.write('ERROR : Junk XML - must contain workflow element\n')
return
elif not (inputs):
req.write('ERROR : Junk XML - must contain inputs element\n')
return
iCount = 1
wfmsgs = []
self.log.write('inputs:%s\n' % inputs.toxml())
for input in inputs.childNodes:
self.log.write('input:%s\n' % input.toxml())
if (input.nodeType == elementType):
objectType = input.getAttribute('type')
else:
continue
if objectType == 'document.StringDocument':
try:
f = postdata.get('file', None)
data = f.value
except:
data = None
else:
data = input.firstChild.toxml()
if not data:
req.write('ERROR : No input data provided\n')
return
time.sleep(5)
#req.write('PROGRESS : %s\n' % (objectType))
modName = objectType[:objectType.rfind('.')]
clName = objectType[objectType.rfind('.') + 1:]
mod = dynamic.globalImport(modName, [])
cl = getattr(mod, clName)
inobj = cl(data)
try:
msg = wfobj.process(session, inobj)
except ObjectAlreadyExistsException, e:
time.sleep(1)
req.write(
'ERROR : One or more records in input %d already exist in the database : %s\n'
% (iCount, e))
continue
except Exception, e:
time.sleep(1)
msg = e
req.write(
'ERROR : Something went wrong while processing input %d : %s\n'
% (iCount, e))
continue
def handle_getConfigParams(self, req):
store = FieldStorage(req)
try:
cls = store['className']
except:
self.send_xml("<fault>Missing className</fault>", req);
return
try:
classObj = arch.find_class(cls)
except:
self.send_xml("<fault>No such class: %s</fault>" % cls, req)
try:
(paths, setts, defs) = arch.find_params(classObj)
except:
self.send_xml("<fault>Not a configurable object?</fault>", req)
# This is stupid...
classes = arch.discover_classes()
otype = "unknown"
for c in classes:
if c[1] == classObj:
otype = c[0]
otype = otype[:2].lower() + otype[2:]
html = ["""<div xmlns="http://www.w3.org/1999/xhtml">""",
"""<center><i>Basic Information</i></center>""",
"""<table width="100%%">
<tr><td width="20%%"><b>Identifier</b></td><td><input id="identifierInput" type="text" name="identifier" size="30"/></td><td width="5%%"></td></tr>
<tr><td><b>Class</b></td><td>%s</td><td></td></tr>
<tr><td><b>Object Type</b></td><td>%s</td><td></td></tr>
</table>
<input type="hidden" name="className" id="classNameInput" value="%s"/>
<input type="hidden" name="objectType" id="objectTypeInput" value="%s"/>
<br/>
<center><i>Paths</i></center>""" % (cls, otype, cls, otype)]
html.append('<table width="100%">')
items = paths.items()
items.sort()
for (p, info) in items:
html.append("<tr><td width=\"20%%\"><b>%s</b></td><td>" % p)
if info.has_key('options'):
opts = info['options'].split('|')
html.append("""<select name="path_%s">""" % p)
html.append("""<option value="">(default)</option>""")
for o in opts:
html.append("""<option value="%s">%s</option>""" % (o,o))
html.append("""</select>""")
else:
html.append("""<input type="text" name="path_%s" size="30"/>""" % (p))
html.append("""</td><td width=\"5%%\"><a href="javascript:none()" onclick="config_help('%s')"><img src="http://sca.lib.liv.ac.uk/images/whatisthis.gif"/></a></td></tr>""" % info['docs'].replace("'", "\\'"))
html.append('</table>')
if setts:
html.append("<br/><center><i>Settings</i></center>")
html.append('<table width="100%">')
items = setts.items()
items.sort()
for (p, info) in items:
html.append("<tr><td width=\"20%%\"><b>%s</b></td><td>" % p)
if info.has_key('options'):
opts = info['options'].split('|')
html.append("""<select name="setting_%s">""" % p)
html.append("""<option value="">(default)</option>""")
for o in opts:
html.append("""<option value="%s">%s</option>""" % (o,o))
html.append("""</select>""")
else:
html.append("""<input type="text" name="setting_%s" size="30"/>""" % (p))
html.append("""</td><td width=\"5%%\"><a href="javascript:none()" onclick="config_help('%s')"><img src="http://sca.lib.liv.ac.uk/images/whatisthis.gif"/></a></td></tr>""" % info['docs'].replace("'", "\\'"))
html.append('</table>')
if defs:
html.append("<br/><center><i>Defaults</i></center>")
html.append('<table width="100%">')
items = defs.items()
items.sort()
for (p, info) in items:
html.append("<tr><td width=\"20%%\"><b>%s</b></td><td>" % p)
if info.has_key('options'):
opts = info['options'].split('|')
html.append("""<select name="default_%s">""" % p)
html.append("""<option value="">(default)</option>""")
for o in opts:
html.append("""<option value="%s">%s</option>""" % (o,o))
html.append("""</select>""")
else:
html.append("""<input type="text" name="default_%s" size="30"/>""" % (p))
html.append("""</td><td width=\"5%%\"><a href="javascript:none()" onclick="config_help('%s')"><img src="http://sca.lib.liv.ac.uk/images/whatisthis.gif"/></a></td></tr>""" % info['docs'].replace("'", "\\'"))
html.append('</table>')
html.append("</div>")
xml = "\n".join(html)
self.send_xml(xml, req)
def handle_listObjects(self, req):
# List existing objects in context
storeHash = {}
collHash = {}
processHash = {}
# get start obj from request
store = FieldStorage(req)
try:
objid = store['contextId']
except:
self.send_xml("<fault>Missing contextId</fault>", req);
return
try:
obj = serv.get_object(session, objid)
origObj = obj
except:
raise
self.send_xml("<fault>Unknown object: '%s'</fault>" % objid, req);
return;
while obj:
# first, recheck any configStores
for csid in obj._includeConfigStores:
confStore = obj.get_object(session, csid)
if confStore != None:
for rec in confStore:
# do something with config
if (not (rec.id in obj.subConfigs.keys())):
node = rec.get_dom(session)
node= node.childNodes[0]
nid = node.getAttributeNS(None, 'id')
node.setAttributeNS(None, 'configStore', confStore.id)
obj.subConfigs[nid] = node
ntype = node.getAttributeNS(None, 'type')
if ntype == 'index':
obj.indexConfigs[nid] = node
elif ntype == 'protocolMap':
obj.protocolMapConfigs[nid] = node
elif ntype == 'database':
obj.databaseConfigs[nid] = node
elif ntype == '':
raise ConfigFileException("Object must have a type attribute: %s -- in configStore %s" % (nid, csid))
sys.stderr.flush()
for oid in obj.subConfigs.keys():
dom = obj.subConfigs[oid]
t = dom.getAttributeNS(None, 'type')
if t in storeTypes:
try:
storeHash[t].append(oid)
except:
storeHash[t] = [oid]
elif t in collTypes:
try:
collHash[t].append(oid)
except:
collHash[t] = [oid]
elif t in processTypes:
try:
processHash[t].append(oid)
except:
processHash[t] = [oid]
obj = obj.parent
html = ["""<div xmlns="http://www.w3.org/1999/xhtml"><ul id="ObjectList" style="padding-left: 5px; border-left: none;">"""]
html.append("<li>Process Objects")
html.append("<ul>")
keys = processHash.keys()
keys.sort()
for ot in keys:
html.append("<li>" + ot + "<ul>")
oids = processHash[ot]
oids.sort()
if (origObj.get_path(session, ot)):
html.append('<li> <a class="item" href="javascript:none()" onclick="create_ellipse(\'default %s\', \'%s\')"><i>default %s</i></a></li>' % (ot, ot, ot))
for oid in oids:
html.append("""
<li>
<a class="item" href="javascript:none()" onclick="create_ellipse('%s', '%s')">%s</a>
<a class="item" href="javascript:none()" onclick="help(event, '%s')" onmouseout="unhelp()">?</a>
</li>""" % (oid, ot, oid, oid))
html.append("</ul></li>")
html.append("</ul></li>")
html.append("<li>Store Objects")
html.append("<ul>")
keys = storeHash.keys()
keys.sort()
for ot in keys:
html.append("<li>" + ot + "<ul>")
oids = storeHash[ot]
oids.sort()
if (origObj.get_path(session, ot)):
html.append('<li> <a class="item" href="javascript:none()" onclick="create_store(\'default %s\', \'%s\')"><i>default %s</i></a></li>' % (ot, ot, ot))
if ot == 'configStore':
for oid in oids:
html.append("""
<li>
<a class="item" href="javascript:none()" onclick="create_store('%s', '%s')">%s</a>
<a class="item" href="javascript:none()" onclick="help(event, '%s')" onmouseout="unhelp()">?</a>
<a class="item" href="javascript:none()" onclick="setConfigStore('%s')">(set)</a>
</li>""" % (oid, ot, oid, oid, oid))
else:
for oid in oids:
html.append("""
<li>
<a class="item" href="javascript:none()" onclick="create_store('%s', '%s')">%s</a>
<a class="item" href="javascript:none()" onclick="help(event, '%s')" onmouseout="unhelp()">?</a>
</li>""" % (oid, ot, oid, oid))
html.append("</ul></li>")
html.append("</ul></li>")
html.append("<li>Collection Objects")
html.append("<ul>")
keys = collHash.keys()
keys.sort()
for ot in keys:
html.append("<li>" + ot + "<ul>")
oids = collHash[ot]
oids.sort()
if (origObj.get_path(session, ot)):
html.append('<li> <a class="item" href="javascript:none()" onclick="create_rect(\'default %s\', \'%s\')"><i>default %s</i></a></li>' % (ot, ot, ot))
if ot == 'database':
for oid in oids:
html.append("""
<li>
<a class="item" href="javascript:none()" onclick="create_rect('%s', '%s')">%s</a>
<a class="item" href="javascript:none()" onclick="help(event, '%s')" onmouseout="unhelp()">?</a>
<a class="item" href="javascript:none()" onclick="setContext('%s')">(set)</a>
</li>""" % (oid, ot, oid, oid, oid))
elif ot == 'workflow':
for oid in oids:
html.append("""
<li>
<a class="item" href="javascript:none()" onclick="create_rect('%s', '%s')">%s</a>
<a class="item" href="javascript:none()" onclick="help(event, '%s')" onmouseout="unhelp()">?</a>
<a class="item" href="javascript:none()" onclick="loadWorkflow('%s')">(edit)</a>
</li>""" % (oid, ot, oid, oid, oid))
else:
for oid in oids:
html.append("""
<li>
<a class="item" href="javascript:none()" onclick="create_rect('%s', '%s')">%s</a>
<a class="item" href="javascript:none()" onclick="help(event, '%s')" onmouseout="unhelp()">?</a>
</li>""" % (oid, ot, oid, oid))
html.append("</ul></li>")
html.append("</ul></li>")
html.append('<li><a class="item" href="javascript:none()" onclick="create_line();">Create Line</a></li>')
html.append('<li><a class="item" href="javascript:none()" onclick="create_log();">Create Log Entry</a></li>')
html.append('<li><a class="item" href="javascript:none()" onclick="create_assign();">Create Assignment</a></li>')
html.append('<li>Create: <a class="item" href="javascript:none()" onclick="create_fork();">Fork</a>, ')
html.append('<a class="item" href="javascript:none()" onclick="create_foreach();">ForEach</a>, ')
html.append('<a class="item" href="javascript:none()" onclick="create_try();">TryExcept</a></li>')
html.append('<li>Create: <a class="item" href="javascript:none()" onclick="create_return();">Return</a>, ')
html.append('<a class="item" href="javascript:none()" onclick="create_raise();">Raise</a>, ')
html.append('<a class="item" href="javascript:none()" onclick="create_continue();">Continue</a>, ')
html.append('<a class="item" href="javascript:none()" onclick="create_break();">Break</a></li>')
html.append("</ul>")
html.append('<ul style="padding-left: 5px; border-left: none;">')
html.append('<li><a class="item" href="javascript:none()" onclick="zoom(1);">Zoom Out</a> (Current: <span id="zoomLevel">1</span>:1)</li>')
html.append('<li><a class="item" href="javascript:none()" onclick="zoom(-1);">Zoom In</a></li>')
html.append('<li><a class="item" href="javascript:none()" onclick="panX(1);">Move Left</a> (Current: <span id="panLevel">0 0</span>)</li>')
html.append('<li><a class="item" href="javascript:none()" onclick="panX(-1);">Move Right</a></li>')
html.append('<li><a class="item" href="javascript:none()" onclick="panY(1);">Move Up</a></li>')
html.append('<li><a class="item" href="javascript:none()" onclick="panY(-1);">Move Down</a></li>')
html.append('<li><br/><a class="item" href="index2.xml">Create New Object</a></li>')
html.append('<li><br/><a class="item" href="javascript:none()" onclick="clear_flow();">Clear Workflow</a></li>')
html.append('<li><a class="item" href="javascript:none()" onclick="show_flow();">Preview Workflow</a></li>')
html.append('<li><a class="item" href="javascript:none()" onclick="send_flow();">Save Workflow</a></li>')
html.append('<li><br/><table cellpadding="0" cellspacing="0" border="0"><tr><td>Context:</td><td><span id="contextId">%s</span></td></tr><tr><td>Workflow:</td><td><input type="text" value="test-flow" id="workflowId"/></td></tr><tr><td>ConfigStore:</td><td><input type="text" value="defaultConfigStore" id="configStoreId"/></td></tr><tr><td>Replace:</td><td><select id="replace"><option value="0">No</option><option value="1">Yes</option></select></td></tr></table></li>' % objid);
html.append("</ul></div>")
xml = '\n'.join(html)
self.send_xml(xml, req)
def __init__( self, req ):
from mod_python.util import FieldStorage
self.fieldStorage = FieldStorage( req, True )
def dispatch(self, req):
path = req.uri.strip('/')
if path not in configs:
# Unknown endpoint
# No specification
xml = ['<databases numberOfDatabases="%d">' % (len(configs))]
for k in sorted(configs.keys()):
xml.append("<database><path>%s</path></database>" % k)
xml.append('</databases>')
txt = ''.join(xml)
self.send_xml(txt, req)
else:
dbconf = configs[path]
if isinstance(dbconf, tuple):
dbid = dbconf[0]
db = serv.get_object(session, dbid)
config = db.get_object(
session,
dbconf[1]['http://www.loc.gov/zing/srw/']
)
else:
config = dbconf['http://www.loc.gov/zing/srw/']
# Check db hasn't changed since instantiated
db = config.parent
# Attempt to find filepath for db metadata
fp = db.get_path(session, 'metadataPath')
if os.stat(fp).st_mtime > db.initTime:
# rediscover objects
dbid = db.id
del db
try:
del serv.objects[dbid]
except KeyError:
pass
try:
del serv.databases[dbid]
except KeyError:
pass
db = serv.get_object(session, dbid)
session.path = "http://%s/%s" % (req.hostname, path)
session.config = config
store = FieldStorage(req)
opts = {}
for qp in store.list:
if qp.value.isdigit():
opts[qp.name] = int(qp.value)
else:
opts[qp.name] = qp.value
if not opts:
opts = {
'operation': 'explain',
'version': '1.2',
'recordPacking': 'xml'
}
if not 'operation' in opts:
err = self.diagnostic(7,
msg="Mandatory parameter not supplied",
details='operation')
result = self.processUnknownOperation(err, config)
elif not opts['operation'] in ['explain',
'searchRetrieve',
'scan']:
err = self.diagnostic(4,
msg="Unsupported Operation",
details=opts['operation'])
result = self.processUnknownOperation(err, config)
else:
respName = "%sResponse" % opts['operation']
result = getattr(elemFac, respName)()
v = elemFac.version('1.2')
result.append(v)
if not 'version' in opts:
err = self.diagnostic(
7,
msg="Mandatory parameter not supplied",
details='version'
)
dx = self.diagnosticToXml(err)
x = elemFac.diagnostics()
x.append(dx)
result.append(x)
else:
fn = getattr(self, 'process_%s' % opts['operation'])
try:
fn(opts, result)
except cqlParser.Diagnostic as d:
diags = elemFac.diagnostics(self.diagnosticToXml(d))
result.append(diags)
result.append(self.echoedQuery(opts))
self.extraData('response', opts, result)
session.currentResultSet = None
text = etree.tostring(result, pretty_print=True)
if 'stylesheet' in opts:
text = (u'<?xml version="1.0"?>\n'
u'<?xml-stylesheet type="text/xsl" href="%s"?>\n'
u'%s' % (opts['stylesheet'], text))
else:
text = u'<?xml version="1.0"?>\n%s' % text
self.send_xml(text, req)
if len(serv.databaseConfigs) >= 25:
# cleanup memory
try:
del serv.objects[config.parent.id]
except KeyError:
pass
result = self.call(xreq)
except AttributeError, err:
# result = self.processUnknownOperation(classname, err, config)
self.send_fault(
Fault(Fault.Client,
'Unknown Operation (%s)' % str(err)), req)
return
except Exception, err:
self.send_fault(
Fault(Fault.Client,
'Broken request %s: (%s)' % (err, data)), req)
return
elif (req.method == "GET"):
# parse options out of req
config = config['http://www.loc.gov/zing/srw/']
store = FieldStorage(req)
opts = {}
for qp in store.list:
opts[qp.name] = [qp.value]
if not opts:
opts = {
'operation': ['explain'],
'version': ['1.1'],
'recordPacking': ['xml']
}
if not opts.has_key('operation'):
# Be rigourous and error ... somehow
err = SRWDiagnostics.Diagnostic7()
err.uri = err.uri
err.message = "Mandatory 'operation' parameter not supplied"
err.details = "operation"
def handle(self, req):
path = req.uri[5:]
form = FieldStorage(req)
strict = form.get('strict', True)
if strict in ['false', 'False', '0', None, '']:
strict = False
mt = form.get('mimeType', '')
mt = mt.replace(' ', '+')
if not mt:
xtn = form.get('extension', '')
if xtn:
if xtn not in srlzHash:
# can't continue
raise ValueError(xtn)
else:
mt = srlzHash[xtn].mimeType
if not mt:
try:
wanted = req.headers_in['Accept']
mts = conneg.parse(wanted)
mt = conneg.best(mts, mimeList)
except:
mt = ''
if mt:
xtn = mimeHash[str(mt)]
else:
# default to rdf/xml
xtn = "rdf.xml"
srlz = srlzHash[xtn]
if 'aggregation' in form:
uri = form.get('aggregation')
else:
uri = path
if not uri:
data = '<html><body>Instructions etc. goes here</body></html>'
self.send(data, req, ct="text/html")
return
elif not protoUriRe.match(uri):
self.error("Resource Map URI must be a protocol based URI", req)
return
try:
# fetch
rd = ReMDocument(uri)
except Exception as e:
self.error(
"Could not retrieve Resource Map from '%s': %s" %
(uri, e.message), req)
return
try:
# parse
if rd.format == 'atom':
parser = ap
elif rd.format == 'rdfa':
parser = rdfap
else:
parser = p
if not strict:
parser.strict = False
try:
rem = parser.parse(rd)
parser.strict = True
except:
parser.strict = True
raise
except OreException as e:
# get exception message
self.error("Resource Map Invalid: %s" % e.message, req)
return
except SAXParseException as e:
self.error(
"Could not parse XML: %s (line %s, column %s)" %
(e.getMessage(), e.getLineNumber(), e.getColumnNumber()), req)
return
except:
raise
try:
# serialize
rem2 = rem._aggregation_.register_serialization(
srlz, 'http://foresite.cheshire3.org/%s#rem' % req.uri)
rd = rem2.get_serialization()
data = rd.data
if srlz == srlzHash['rdfa.html']:
data = '<xhtml xmlns="http://www.w3.org/1999/xhtml"><body><i>Invisible RDFa resource map follows, it must have validated okay. [view source] :)</i>' + data + "</body></xhtml>"
except Exception as e:
self.error(
"Could not serialize Aggregation to Resource Map: %s" %
e.message, req)
return
self.send(data, req, ct=srlz.mimeType)
