def __call__(self,*args,**kwargs):
"""
Handles calling event of the classes.Executes given query using database driver.
Returns instances of Entity classes which will be mapped to sub query classes.
"""
self.args = args or kwargs or None
if not self.code:
raise Exception, "'code' property has to be an sql query"
if self.args:
code = self.code%self.args
else:
code = self.code
logging.info('db.query: Running new query; %s'%(code.replace('\n',' ')))
"""
Executing given query
"""
from __init__ import connection
connection.cursor.execute(code)
try:
data = connection.cursor.fetchall()
except:
data = tuple()
logging.error( ExceptionInfo().format_stack() )
"""
Mapping fetched data into python objects
"""
self.data = QueryResult(data)
self.data.query = self
self.data = ( None if len(self.data)==0 else self.data[0] ) if self.is_singular else self.data
return self.data
def get(self,excstack):
ErrorPage.get(self)
logging.error("INTERNAL ERROR")
logging.error(' %s'%excstack.type)
logging.error(' %s'%excstack.value)
logging.error(' %s'%excstack.format_stack())
self.template.args.append( ('excstack',excstack) )
if not self.template.args[3][1]:
self.template.args[3] = ('description',excstack.value)
def log(self):
logging.error('EXCEPTION INFO: type: %s, file:%s, function:%s, line: %i, message: %s'%(
str(self.type),self.stack[-1][0],self.stack[-1][2],self.stack[-1][1],self.value.message
)
)