def validate(self):
try: self.lang = lower(self.request['LANG'])
except: self.errormsg = 'Cannot find LANG in request.\n'
else:
if self.lang not in ('vss1','vss2'):
self.errormsg += 'Only LANG=VSS1 or LANG=VSS2 is supported.\n'
try: self.query = self.request['QUERY']
except: self.errormsg += 'Cannot find QUERY in request.\n'
try: self.format=lower(self.request['FORMAT'])
except: self.errormsg += 'Cannot find FORMAT in request.\n'
try: self.parsedSQL=SQL.parseString(self.query,parseAll=True)
except: # if this fails, we're done
self.errormsg += 'Could not parse the SQL query string: %s\n'%self.query
self.isvalid=False
return
self.requestables = set()
self.where = self.parsedSQL.where
if self.parsedSQL.columns not in ('*', 'ALL'):
for r in self.parsedSQL.columns:
r = r.lower()
if r not in REQUESTABLES:
self.errormsg += 'Unknown Requestable: %s\n' % r
else:
self.requestables.add(r)
if 'species' in self.requestables:
self.requestables.add('atoms')
self.requestables.add('molecules')
self.requestables.add('particles')
self.requestables.add('solids')
if 'states' in self.requestables:
self.requestables.add('atomstates')
self.requestables.add('moleculestates')
if 'atomstates' in self.requestables:
self.requestables.add('atoms')
if 'moleculestates' in self.requestables:
self.requestables.add('molecules')
if 'moleculequantumnumbers' in self.requestables:
self.requestables.add('molecules')
self.requestables.add('moleculestates')
if 'moleculebasisstates' in self.requestables:
self.requestables.add('molecules')
self.requestables.add('moleculestates')
if 'processes' in self.requestables:
self.requestables.add('radiativetransitions')
self.requestables.add('nonradiativetransitions')
self.requestables.add('collisions')
# Always return sources, methods, functions for now.
self.requestables.add('sources')
self.requestables.add('functions')
self.requestables.add('methods')
if self.errormsg: self.isvalid=False
def validate(self):
try:
self.lang = lower(self.request['LANG'])
except:
log.debug('LANG is empty, assuming VASS2')
self.lang = 'vss2'
else:
if self.lang not in ('vss1', 'vss2'):
self.errormsg += 'Only LANG=VSS1 or LANG=VSS2 is supported.\n'
try:
self.query = self.request['QUERY']
except:
self.errormsg += 'Cannot find QUERY in request.\n'
if (type(self.query) == list) and (len(self.query) == 1):
self.query = self.query[0]
try:
self.format = lower(self.request['FORMAT'])
except:
log.debug('FORMAT is empty, assuming XSAMS')
self.format = 'xsams'
else:
if self.format != 'xsams':
log.debug(
'Requested FORMAT is not XSAMS, letting it pass anyway.')
try:
self.parsedSQL = SQL.parseString(self.query, parseAll=True)
except: # if this fails, we're done
self.errormsg += 'Could not parse the SQL query string: %s\n' % self.query
self.isvalid = False
return
self.requestables = set()
self.where = self.parsedSQL.where
if self.parsedSQL.columns not in ('*', 'ALL'):
for r in self.parsedSQL.columns:
r = r.lower()
if r not in REQUESTABLES:
self.errormsg += 'Unknown Requestable: %s\n' % r
else:
self.requestables.add(r)
if 'species' in self.requestables:
self.requestables.add('atoms')
self.requestables.add('molecules')
self.requestables.add('particles')
self.requestables.add('solids')
if 'states' in self.requestables:
self.requestables.add('atomstates')
self.requestables.add('moleculestates')
if 'atomstates' in self.requestables:
self.requestables.add('atoms')
if 'moleculestates' in self.requestables:
self.requestables.add('molecules')
if 'moleculequantumnumbers' in self.requestables:
self.requestables.add('molecules')
self.requestables.add('moleculestates')
if 'moleculebasisstates' in self.requestables:
self.requestables.add('molecules')
self.requestables.add('moleculestates')
if 'processes' in self.requestables:
self.requestables.add('radiativetransitions')
self.requestables.add('nonradiativetransitions')
self.requestables.add('collisions')
# Always return sources, methods, functions for now.
self.requestables.add('sources')
self.requestables.add('functions')
self.requestables.add('methods')
if self.errormsg:
self.isvalid = False
def parseSQL(self):
self.parsedSQL = SQL.parseString(self.query)
