>>> request.vars.y = ['abc', 'def']
>>> request.vars.getlast('x')
'abc'
>>> request.vars.getlast('y')
'def'
>>> request.vars.getlast('z')
"""
values = self.getlist(key)
return values[-1] if values else default
def pickle_storage(s):
return Storage, (dict(s),)
copyreg.pickle(Storage, pickle_storage)
if PY2:
PICKABLE = (str, int, long, float, bool, list, dict, tuple, set)
else:
PICKABLE = (str, int, float, bool, list, dict, tuple, set)
class StorageList(Storage):
"""
Behaves like Storage but missing elements defaults to [] instead of None
"""
def __getitem__(self, key):
return self.__getattr__(key)
def __getattr__(self, key):
if key in self:
return self.get(key)
return str(self).decode(*a, **b)
def read(self):
return str(self)
def __mod__(self, symbols):
if self.is_copy:
return lazyT(self)
return lazyT(self.m, symbols, self.T, self.f, self.t, self.M)
def pickle_lazyT(c):
return str, (c.xml(), )
copyreg.pickle(lazyT, pickle_lazyT)
class translator(object):
"""
This class is instantiated by gluon.compileapp.build_environment
as the T object
Example:
T.force(None) # turns off translation
T.force('fr, it') # forces web2py to translate using fr.py or it.py
T("Hello World") # translates "Hello World" using the selected file
Note:
response.session_file.write(session_pickled)
response.session_file.truncate()
return True
finally:
self._close(response)
self.save_session_id_cookie()
def _unlock(self, response):
if response and response.session_file and response.session_locked:
try:
portalocker.unlock(response.session_file)
response.session_locked = False
except: # this should never happen but happens in Windows
pass
def _close(self, response):
if response and response.session_file:
self._unlock(response)
try:
response.session_file.close()
del response.session_file
except:
pass
def pickle_session(s):
return Session, (dict(s), )
copyreg.pickle(Session, pickle_session)
def decode(self, *a, **b):
return str(self).decode(*a, **b)
def read(self):
return str(self)
def __mod__(self, symbols):
if self.is_copy:
return lazyT(self)
return lazyT(self.m, symbols, self.T, self.f, self.t, self.M)
def pickle_lazyT(c):
return str, (c.xml(),)
copyreg.pickle(lazyT, pickle_lazyT)
class translator(object):
"""
This class is instantiated by gluon.compileapp.build_environment
as the T object
Example:
T.force(None) # turns off translation
T.force('fr, it') # forces web2py to translate using fr.py or it.py
T("Hello World") # translates "Hello World" using the selected file
Note:
session_pickled = response.session_pickled or pickle.dumps(self, pickle.HIGHEST_PROTOCOL)
response.session_file.write(session_pickled)
response.session_file.truncate()
return True
finally:
self._close(response)
self.save_session_id_cookie()
def _unlock(self, response):
if response and response.session_file and response.session_locked:
try:
portalocker.unlock(response.session_file)
response.session_locked = False
except: # this should never happen but happens in Windows
pass
def _close(self, response):
if response and response.session_file:
self._unlock(response)
try:
response.session_file.close()
del response.session_file
except:
pass
def pickle_session(s):
return Session, (dict(s),)
copyreg.pickle(Session, pickle_session)
>>> request.vars.getlast('x')
'abc'
>>> request.vars.getlast('y')
'def'
>>> request.vars.getlast('z')
"""
values = self.getlist(key)
return values[-1] if values else default
def pickle_storage(s):
return Storage, (dict(s), )
copyreg.pickle(Storage, pickle_storage)
if PY2:
PICKABLE = (str, int, long, float, bool, list, dict, tuple, set)
else:
PICKABLE = (str, int, float, bool, list, dict, tuple, set)
class StorageList(Storage):
"""
Behaves like Storage but missing elements defaults to [] instead of None
"""
def __getitem__(self, key):
return self.__getattr__(key)
def __getattr__(self, key):
if key in self:
try:
import psutil
HAVE_PSUTIL = True
except ImportError:
HAVE_PSUTIL = False
# TODO: REMOVE ME ONCE THIS IS FIXED IN DAL https://github.com/web2py/pydal/issues/668
from pydal.objects import Row
from pydal._compat import copyreg
def pickle_row(s):
return Row, (dict(s), )
copyreg.pickle(Row, pickle_row)
# END TODO
def remove_oldest_entries(storage, percentage=90):
# compute current memory usage (%)
old_mem = psutil.virtual_memory().percent
# if we have data in storage and utilization exceeds 90%
while storage and old_mem > percentage:
# removed oldest entry
storage.popitem(last=False)
# garbage collect
gc.collect(1)
# comute used memory again
new_mem = psutil.virtual_memory().percent
# if the used memory did not decrease stop