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Clean up Torrent flag properties

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TheAMM 2017-05-30 12:45:51 +03:00
parent c6640485ea
commit 051f3f38d2
1 changed files with 29 additions and 48 deletions
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77
nyaa/models.py
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@ -64,6 +64,28 @@ class DeclarativeHelperBase(object):
return cls._table_prefix(cls.__tablename_base__)
class FlagProperty(object):
''' This class will act as a wrapper between the given flag and the class's
flag collection. '''
def __init__(self, flag, flags_attr='flags'):
self._flag = flag
self._flags_attr_name = flags_attr
def _get_flags(self, instance):
return getattr(instance, self._flags_attr_name)
def _set_flags(self, instance, value):
return setattr(instance, self._flags_attr_name, value)
def __get__(self, instance, owner_class):
if instance is None:
raise AttributeError()
return bool(self._get_flags(instance) & self._flag)
def __set__(self, instance, value):
new_flags = (self._get_flags(instance) & ~self._flag) | (bool(value) and self._flag)
self._set_flags(instance, new_flags)
class TorrentFlags(IntEnum):
NONE = 0
ANONYMOUS = 1
@ -219,55 +241,14 @@ class TorrentBase(DeclarativeHelperBase):
if self.uploader_ip:
return str(ip_address(self.uploader_ip))
# Flag getters and setters below
# Flag properties below
@property
def anonymous(self):
return self.flags & TorrentFlags.ANONYMOUS
@anonymous.setter
def anonymous(self, value):
self.flags = (self.flags & ~TorrentFlags.ANONYMOUS) | (value and TorrentFlags.ANONYMOUS)
@property
def hidden(self):
return self.flags & TorrentFlags.HIDDEN
@hidden.setter
def hidden(self, value):
self.flags = (self.flags & ~TorrentFlags.HIDDEN) | (value and TorrentFlags.HIDDEN)
@property
def deleted(self):
return self.flags & TorrentFlags.DELETED
@deleted.setter
def deleted(self, value):
self.flags = (self.flags & ~TorrentFlags.DELETED) | (value and TorrentFlags.DELETED)
@property
def trusted(self):
return self.flags & TorrentFlags.TRUSTED
@trusted.setter
def trusted(self, value):
self.flags = (self.flags & ~TorrentFlags.TRUSTED) | (value and TorrentFlags.TRUSTED)
@property
def remake(self):
return self.flags & TorrentFlags.REMAKE
@remake.setter
def remake(self, value):
self.flags = (self.flags & ~TorrentFlags.REMAKE) | (value and TorrentFlags.REMAKE)
@property
def complete(self):
return self.flags & TorrentFlags.COMPLETE
@complete.setter
def complete(self, value):
self.flags = (self.flags & ~TorrentFlags.COMPLETE) | (value and TorrentFlags.COMPLETE)
anonymous = FlagProperty(TorrentFlags.ANONYMOUS)
hidden = FlagProperty(TorrentFlags.HIDDEN)
deleted = FlagProperty(TorrentFlags.DELETED)
trusted = FlagProperty(TorrentFlags.TRUSTED)
remake = FlagProperty(TorrentFlags.REMAKE)
complete = FlagProperty(TorrentFlags.COMPLETE)
# Class methods