Fix 500 when saving /site/edit without email
When saving /site/edit with no no_reply_email set, a 500 error page
would be returned due to an empty value being passed as value to
the datastore (which is not allowed for email fields).
import datetime
from time import time
from django.utils.hashcompat import md5_constructor
try:
import decimal
except ImportError:
from django.utils import _decimal as decimal # for Python 2.3
class CursorDebugWrapper(object):
def __init__(self, cursor, db):
self.cursor = cursor
self.db = db # Instance of a BaseDatabaseWrapper subclass
def execute(self, sql, params=()):
start = time()
try:
return self.cursor.execute(sql, params)
finally:
stop = time()
sql = self.db.ops.last_executed_query(self.cursor, sql, params)
self.db.queries.append({
'sql': sql,
'time': "%.3f" % (stop - start),
})
def executemany(self, sql, param_list):
start = time()
try:
return self.cursor.executemany(sql, param_list)
finally:
stop = time()
self.db.queries.append({
'sql': '%s times: %s' % (len(param_list), sql),
'time': "%.3f" % (stop - start),
})
def __getattr__(self, attr):
if attr in self.__dict__:
return self.__dict__[attr]
else:
return getattr(self.cursor, attr)
def __iter__(self):
return iter(self.cursor)
###############################################
# Converters from database (string) to Python #
###############################################
def typecast_date(s):
return s and datetime.date(*map(int, s.split('-'))) or None # returns None if s is null
def typecast_time(s): # does NOT store time zone information
if not s: return None
hour, minutes, seconds = s.split(':')
if '.' in seconds: # check whether seconds have a fractional part
seconds, microseconds = seconds.split('.')
else:
microseconds = '0'
return datetime.time(int(hour), int(minutes), int(seconds), int(float('.'+microseconds) * 1000000))
def typecast_timestamp(s): # does NOT store time zone information
# "2005-07-29 15:48:00.590358-05"
# "2005-07-29 09:56:00-05"
if not s: return None
if not ' ' in s: return typecast_date(s)
d, t = s.split()
# Extract timezone information, if it exists. Currently we just throw
# it away, but in the future we may make use of it.
if '-' in t:
t, tz = t.split('-', 1)
tz = '-' + tz
elif '+' in t:
t, tz = t.split('+', 1)
tz = '+' + tz
else:
tz = ''
dates = d.split('-')
times = t.split(':')
seconds = times[2]
if '.' in seconds: # check whether seconds have a fractional part
seconds, microseconds = seconds.split('.')
else:
microseconds = '0'
return datetime.datetime(int(dates[0]), int(dates[1]), int(dates[2]),
int(times[0]), int(times[1]), int(seconds), int(float('.'+microseconds) * 1000000))
def typecast_boolean(s):
if s is None: return None
if not s: return False
return str(s)[0].lower() == 't'
def typecast_decimal(s):
if s is None or s == '':
return None
return decimal.Decimal(s)
###############################################
# Converters from Python to database (string) #
###############################################
def rev_typecast_boolean(obj, d):
return obj and '1' or '0'
def rev_typecast_decimal(d):
if d is None:
return None
return str(d)
def truncate_name(name, length=None):
"""Shortens a string to a repeatable mangled version with the given length.
"""
if length is None or len(name) <= length:
return name
hash = md5_constructor(name).hexdigest()[:4]
return '%s%s' % (name[:length-4], hash)
def format_number(value, max_digits, decimal_places):
"""
Formats a number into a string with the requisite number of digits and
decimal places.
"""
return u"%.*f" % (decimal_places, value)