openstack/deb-python-sqlalchemy-utils
Code Issues Proposed changes

Refactored weekdays, added compat module

Browse Source
This commit is contained in:
Konsta Vesterinen
2013-09-16 19:12:28 +03:00
parent c60e6ba7de
commit c4cf9d4d2d
2 changed files with 74 additions and 74 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
sqlalchemy_utils/compat.py Normal file
View File

@@ -0,0 +1,73 @@
# -*- coding: utf-8 -*-
try:
from functools import total_ordering
except ImportError:
""" Backport to work with Python 2.6 """
def total_ordering(cls):
"""Class decorator that fills in missing ordering methods"""
convert = {
'__lt__': [
(
'__gt__',
lambda self, other: not (self < other or self == other)
),
(
'__le__',
lambda self, other: self < other or self == other
),
(
'__ge__',
lambda self, other: not self < other
)],
'__le__': [
(
'__ge__',
lambda self, other: not self <= other or self == other
),
(
'__lt__',
lambda self, other: self <= other and not self == other
),
(
'__gt__',
lambda self, other: not self <= other
)],
'__gt__': [
(
'__lt__',
lambda self, other: not (self > other or self == other)
),
(
'__ge__',
lambda self, other: self > other or self == other
),
(
'__le__',
lambda self, other: not self > other
)],
'__ge__': [
(
'__le__',
lambda self, other: (not self >= other) or self == other
),
(
'__gt__',
lambda self, other: self >= other and not self == other
),
(
'__lt__',
lambda self, other: not self >= other
)]
}
roots = set(dir(cls)) & set(convert)
if not roots:
raise ValueError(
'must define at least one ordering operation: < > <= >='
)
root = max(roots) # prefer __lt__ to __le__ to __gt__ to __ge__
for opname, opfunc in convert[root]:
if opname not in roots:
opfunc.__name__ = opname
opfunc.__doc__ = getattr(int, opname).__doc__
setattr(cls, opname, opfunc)
return cls

75
sqlalchemy_utils/types/weekdays.py
View File

@@ -1,78 +1,4 @@
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
try:
from functools import total_ordering
except ImportError:
""" Backport to work with Python 2.6 """
def total_ordering(cls):
"""Class decorator that fills in missing ordering methods"""
convert = {
'__lt__': [
(
'__gt__',
lambda self, other: not (self < other or self == other)
),
(
'__le__',
lambda self, other: self < other or self == other
),
(
'__ge__',
lambda self, other: not self < other
)],
'__le__': [
(
'__ge__',
lambda self, other: not self <= other or self == other
),
(
'__lt__',
lambda self, other: self <= other and not self == other
),
(
'__gt__',
lambda self, other: not self <= other
)],
'__gt__': [
(
'__lt__',
lambda self, other: not (self > other or self == other)
),
(
'__ge__',
lambda self, other: self > other or self == other
),
(
'__le__',
lambda self, other: not self > other
)],
'__ge__': [
(
'__le__',
lambda self, other: (not self >= other) or self == other
),
(
'__gt__',
lambda self, other: self >= other and not self == other
),
(
'__lt__',
lambda self, other: not self >= other
)]
}
roots = set(dir(cls)) & set(convert)
if not roots:
raise ValueError(
'must define at least one ordering operation: < > <= >='
)
root = max(roots) # prefer __lt__ to __le__ to __gt__ to __ge__
for opname, opfunc in convert[root]:
if opname not in roots:
opfunc.__name__ = opname
opfunc.__doc__ = getattr(int, opname).__doc__
setattr(cls, opname, opfunc)
return cls
from sqlalchemy import types from sqlalchemy import types
from sqlalchemy.dialects.postgresql import BIT from sqlalchemy.dialects.postgresql import BIT
get_day_names = None get_day_names = None
@@ -81,6 +7,7 @@ try:
except ImportError: except ImportError:
pass pass
from ..compat import total_ordering
from ..exceptions import ImproperlyConfigured from ..exceptions import ImproperlyConfigured