def get_page_content(self, kwargs, complete_msg=True):
"""Retrieve page content for provided set of parameters"""
page = ""
try:
view = kwargs.get("view", "list")
if view == "plain":
if "limit" in kwargs:
del kwargs["limit"]
if view in ["json", "xml", "plain"] and complete_msg:
page = "Request completed. Reload the page ..."
else:
head, data = self.get_data(kwargs)
allowed_views = ["list", "table", "plain", "xml", "json"]
if view not in allowed_views:
raise
func = getattr(self, view + "view")
page = func(head, data)
except HTTPError as _err:
raise
except Exception as exc:
print_exc(exc)
msg = gen_error_msg(kwargs)
page = self.templatepage("das_error", msg=msg)
return page
def get_page_content(self, kwargs, complete_msg=True):
"""Retrieve page content for provided set of parameters"""
html_views = ['list', 'table']
page = ''
try:
view = kwargs.get('view', 'list')
if view == 'plain':
if 'limit' in kwargs:
del kwargs['limit']
if view in ['json', 'xml', 'plain'] and complete_msg:
page = 'Request completed. Reload the page ...'
else:
head, data = self.get_data(kwargs)
allowed_views = ['list', 'table', 'plain', 'xml', 'json']
if view not in allowed_views:
raise
func = getattr(self, view + "view")
page = func(head, data)
except HTTPError as _err:
raise
except Exception as exc:
print_exc(exc)
msg = gen_error_msg(kwargs)
page = self.templatepage('das_error', msg=msg)
return page
def check_pid(self, pid, ahash):
"""
Check status of given pid and return appropriate page content.
This is a server callback function for ajaxCheckPid, see
js/ajax_utils.js
"""
cherrypy.response.headers['Cache-Control'] = 'no-cache'
cherrypy.response.headers['Pragma'] = 'no-cache'
img = '<img src="%s/images/loading.gif" alt="loading"/>' % self.base
page = ''
try:
if self.taskmgr.is_alive(pid):
page = img + " processing PID=%s" % pid
else:
kwargs = self.reqmgr.get(pid)
if kwargs and kwargs.has_key('dasquery'):
del kwargs['dasquery']
# if no kwargs (another request delete it)
# use logging DB to look-up user request via ahash
if not kwargs:
spec = {'ahash':ahash}
skey = [('ts', DESCENDING)]
res = [r for r in self.logcol.find(spec).sort(skey)]
kwargs = res[0]['args']
self.adjust_input(kwargs)
self.reqmgr.remove(pid)
page = self.get_page_content(kwargs)
except Exception as err:
msg = 'check_pid fails for pid=%s' % pid
print dastimestamp('DAS WEB ERROR '), msg
print_exc(err)
self.reqmgr.remove(pid)
self.taskmgr.remove(pid)
return self.error(gen_error_msg({'pid':pid}), wrap=False)
return page
def records(self, *args, **kwargs):
"""
Retieve all records id's.
"""
try:
recordid = None
if args:
recordid = args[0]
spec = {'_id':ObjectId(recordid)}
fields = None
query = dict(fields=fields, spec=spec)
elif kwargs and kwargs.has_key('_id'):
spec = {'_id': ObjectId(kwargs['_id'])}
fields = None
query = dict(fields=fields, spec=spec)
else: # return all ids
query = dict(fields=None, spec={})
res = ''
time0 = time.time()
idx = getarg(kwargs, 'idx', 0)
limit = getarg(kwargs, 'limit', 10)
coll = kwargs.get('collection', 'merge')
inst = kwargs.get('instance', self.dbs_global)
form = self.form(uinput="")
check, content = self.generate_dasquery(query, inst)
if check:
return self.page(form + content, ctime=time.time()-time0)
dasquery = content # returned content is valid DAS query
nresults = self.dasmgr.rawcache.nresults(dasquery, coll)
gen = self.dasmgr.rawcache.get_from_cache\
(dasquery, idx=idx, limit=limit, collection=coll)
if recordid: # we got id
for row in gen:
res += das_json(row)
else:
for row in gen:
rid = row['_id']
del row['_id']
res += self.templatepage('das_record', \
id=rid, collection=coll, daskeys=', '.join(row))
if recordid:
page = res
else:
url = '/das/records?'
if nresults:
page = self.templatepage('das_pagination', \
nrows=nresults, idx=idx, limit=limit, url=url)
else:
page = 'No results found, nresults=%s' % nresults
page += res
ctime = (time.time()-time0)
page = self.page(form + page, ctime=ctime)
return page
except Exception as exc:
print_exc(exc)
return self.error(gen_error_msg(kwargs))
def check_pid(self, pid):
"""
Check status of given pid. This is a server callback
function for ajaxCheckPid, see js/ajax_utils.js
"""
# do not allow caching
set_no_cache_flags()
img = '<img src="%s/images/loading.gif" alt="loading"/>' % self.base
page = ''
try:
if self.taskmgr.is_alive(pid):
page = img + " processing PID=%s" % pid
else:
# at this point we don't know if request arrived to this host
# or it was processed. To distinguish the case we'll ask
# request manager for that pid
if self.reqmgr.has_pid(pid):
self.reqmgr.remove(pid)
self.taskmgr.remove(pid)
page = 'Request PID=%s is completed' % pid
page += ', please wait for results to load'
else:
# there're no request on this server, re-initiate it
ref = cherrypy.request.headers.get('Referer', None)
if ref:
url = urlparse(ref)
params = dict(parse_qsl(url.query))
return self.request(**params)
else:
msg = 'No referer in cherrypy.request.headers'
msg += '\nHeaders: %s' % cherrypy.request.headers
dasprint(dastimestamp('DAS WEB ERROR '), msg)
except Exception as err:
msg = 'check_pid fails for pid=%s' % pid
dasprint(dastimestamp('DAS WEB ERROR '), msg)
print_exc(err)
self.reqmgr.remove(pid)
self.taskmgr.remove(pid)
return self.error(gen_error_msg({'pid':pid}), wrap=False)
return page
def records(self, *args, **kwargs):
"""
Retieve all records id's.
"""
try:
recordid = None
if args:
recordid = args[0]
spec = {'_id':ObjectId(recordid)}
fields = None
query = dict(fields=fields, spec=spec)
elif kwargs and '_id' in kwargs:
spec = {'_id': ObjectId(kwargs['_id'])}
fields = None
query = dict(fields=fields, spec=spec)
else: # return all ids
query = dict(fields=None, spec={})
res = ''
time0 = time.time()
idx = getarg(kwargs, 'idx', 0)
limit = getarg(kwargs, 'limit', 50)
coll = kwargs.get('collection', 'merge')
view = kwargs.get('view', '')
if view == 'json':
res = []
inst = kwargs.get('instance', self.dbs_global)
form = self.form(uinput="")
check, content = self.generate_dasquery(query, inst)
if check:
return self.page(form + content, ctime=time.time()-time0)
dasquery = content # returned content is valid DAS query
nresults = self.dasmgr.rawcache.nresults(dasquery, coll)
gen = self.dasmgr.rawcache.get_from_cache\
(dasquery, idx=idx, limit=limit, collection=coll)
if recordid: # we got id
for row in gen:
if view == 'json':
res.append(row)
else:
res += das_json(dasquery, row)
else:
for row in gen:
rid = row['_id']
del row['_id']
res += self.templatepage('das_record', \
id=rid, collection=coll, daskeys=', '.join(row))
if recordid:
page = res
else:
url = '/das/records?'
if nresults:
page = self.templatepage('das_pagination', \
nrows=nresults, idx=idx, limit=limit, url=url, \
cgi=cgi, str=str)
else:
page = 'No results found, nresults=%s' % nresults
page += res
ctime = (time.time()-time0)
if view == 'json':
return json.dumps(res)
page = self.page(form + page, ctime=ctime)
return page
except Exception as exc:
print_exc(exc)
return self.error(gen_error_msg(kwargs))
def records(self, *args, **kwargs):
"""
Retieve all records id's.
"""
try:
recordid = None
if args:
recordid = args[0]
spec = {"_id": ObjectId(recordid)}
fields = None
query = dict(fields=fields, spec=spec)
elif kwargs and "_id" in kwargs:
spec = {"_id": ObjectId(kwargs["_id"])}
fields = None
query = dict(fields=fields, spec=spec)
else: # return all ids
query = dict(fields=None, spec={})
res = ""
time0 = time.time()
idx = getarg(kwargs, "idx", 0)
limit = getarg(kwargs, "limit", 10)
coll = kwargs.get("collection", "merge")
view = kwargs.get("view", "")
if view == "json":
res = []
inst = kwargs.get("instance", self.dbs_global)
form = self.form(uinput="")
check, content = self.generate_dasquery(query, inst)
if check:
return self.page(form + content, ctime=time.time() - time0)
dasquery = content # returned content is valid DAS query
nresults = self.dasmgr.rawcache.nresults(dasquery, coll)
gen = self.dasmgr.rawcache.get_from_cache(dasquery, idx=idx, limit=limit, collection=coll)
if recordid: # we got id
for row in gen:
if view == "json":
res.append(row)
else:
res += das_json(dasquery, row)
else:
for row in gen:
rid = row["_id"]
del row["_id"]
res += self.templatepage("das_record", id=rid, collection=coll, daskeys=", ".join(row))
if recordid:
page = res
else:
url = "/das/records?"
if nresults:
page = self.templatepage("das_pagination", nrows=nresults, idx=idx, limit=limit, url=url)
else:
page = "No results found, nresults=%s" % nresults
page += res
ctime = time.time() - time0
if view == "json":
return json.dumps(res)
page = self.page(form + page, ctime=ctime)
return page
except Exception as exc:
print_exc(exc)
return self.error(gen_error_msg(kwargs))
