def __getitem__(self, item):
#if item in self._cache: return self._cache[item]
op = threadlocals.get_current_user()
if op and op.is_anonymous(): op = None
if '.' not in item:
value = getattr(settings, item)
else:
items = item.split(".", 1)
value = None
try:
opt = Option.objects.get(app_label=items[0], name=items[1])
except ObjectDoesNotExist:
return None
try:
if op:
opt = PersonalOption.objects.get(option=opt, user=op)
value = opt.value
except ObjectDoesNotExist:
pass
if value == None:
try:
opt = SystemOption.objects.get(option=opt)
value = opt.value
except ObjectDoesNotExist:
value = opt.default
self._cache[item] = value
return value
def __setitem__(self, item, value):
"""
修改一个系统配置项的值到用户个性化设置中，这主要用于系统运行期保存一些个性化的参数设置。
"""
if self.__getitem__(item) == value: return
if item in self._cache: self._cache.pop(item)
op = threadlocals.get_current_user()
if op and op.is_anonymous(): op = None
items = item.split(".", 1)
opt = Option.objects.get(app_label=items[0], name=items[1])
try:
p_opt = PersonalOption.objects.get(option=opt, user=op)
except ObjectDoesNotExist:
p_opt = PersonalOption(option=opt,
user=op) #create it if not exists
if not (p_opt.value == value):
p_opt.value = value
p_opt.save()
if item == 'base.language':
from django.utils.translation import check_for_language, activate, get_language
request = threadlocals.get_current_request()
if request:
lang_code = value
if lang_code and check_for_language(lang_code):
if hasattr(request, 'session'):
request.session['django_language'] = lang_code
activate(lang_code)
request.LANGUAGE_CODE = get_language()
self._cache[item] = value
def __getitem__(self, item):
#if item in self._cache: return self._cache[item]
op = threadlocals.get_current_user()
if op and op.is_anonymous(): op = None
if '.' not in item:
value = getattr(settings, item)
else:
items = item.split(".", 1)
value = None
try:
opt = Option.objects.get(app_label=items[0], name=items[1])
except ObjectDoesNotExist:
return None
try:
if op:
opt = PersonalOption.objects.get(option=opt, user=op)
value = opt.value
except ObjectDoesNotExist: pass
if value == None:
try:
opt = SystemOption.objects.get(option=opt)
value = opt.value
except ObjectDoesNotExist:
value = opt.default
self._cache[item] = value
return value
def __setitem__(self, item, value):
"""
修改一个系统配置项的值到用户个性化设置中，这主要用于系统运行期保存一些个性化的参数设置。
"""
if self.__getitem__(item) == value: return
if item in self._cache: self._cache.pop(item)
op = threadlocals.get_current_user()
if op and op.is_anonymous(): op = None
items = item.split(".", 1)
opt = Option.objects.get(app_label=items[0], name=items[1])
try:
p_opt = PersonalOption.objects.get(option=opt, user=op)
except ObjectDoesNotExist:
p_opt = PersonalOption(option=opt, user=op) #create it if not exists
if not (p_opt.value == value):
p_opt.value = value
p_opt.save()
if item == 'base.language':
from django.utils.translation import check_for_language, activate, get_language
request = threadlocals.get_current_request()
if request:
lang_code = value
if lang_code and check_for_language(lang_code):
if hasattr(request, 'session'):
request.session['django_language'] = lang_code
activate(lang_code)
request.LANGUAGE_CODE = get_language()
self._cache[item] = value
def save(self):
from middleware import threadlocals
if not self.id:
self.created_by = threadlocals.get_current_user()
self.updated_on = datetime.now()
super(Blog, self).save()
def save(self):
from middleware import threadlocals
if not self.id:
self.created_by = threadlocals.get_current_user()
self.updated_on = datetime.now()
super(Content, self).save()
def delete(self):
if self.Admin.cache: # 是否缓存
key = cache_key(self, self.pk)
cache.set(key, None)
cache.delete(key)
if self.Admin.log: # 是否做日志记录
from models_logentry import LogEntry, DELETION
op = threadlocals.get_current_user()
if op and op.is_anonymous(): op = None
LogEntry.objects.log_action(
user_id=op and op.pk or None,
content_type_id=ContentType.objects.get_for_model(self).pk,
object_id=self.pk,
object_repr=force_unicode(self),
action_flag=DELETION)
super(CachingModel, self).delete()
def save(self):
#print 'user ='******'user_id', None) is None:
self.user_id = threadlocals.get_current_user().id
# disregard any modifications to ip address
self.ip = threadlocals.get_current_ip()
# self.ip = '127.0.0.1'
if self.previous is not None:
self.odate = self.previous.odate
elif not self.id:
# only do the following on creation, not modification
self.odate = datetime.now()
super(Post, self).save()
def update_record(sender, instance, created, **kwargs):
registered = []
for app, mdl in AUDITED_MODELS:
registered.append(django.db.models.get_model(app, mdl))
if sender in registered:
userid = None
ut = None
details = ''
requestuser = threadlocals.get_current_user()
if isinstance(instance, User):
user = instance
else:
try:
user = instance.user
except:
user = None
if requestuser != None:
userid = requestuser.id
details += 'model %s;' % sender.__name__
if created == True:
ut = UpdateType.objects.get(name = "joined")
details += "new;"
else:
details += "edited;"
if ut == None:
ut = UpdateType.objects.get(name = "update")
try:
state = pickle.dumps(instance, protocol=0)
except:
state = None
url = threadlocals.get_url()
result = isinstance(user, AnonymousUser)
if result:
user = None
details += "AnonymousUser, new account or a login.;"
log = Log.objects.create(
user = user,
update_type = ut,
by_user_id = userid,
url = url,
details = details,
state = state
)
def delete(self):
if self.Admin.cache: # 是否缓存
key = cache_key(self, self.pk)
cache.set(key, None)
cache.delete(key)
if self.Admin.log: # 是否做日志记录
from models_logentry import LogEntry, DELETION
op = threadlocals.get_current_user()
if op and op.is_anonymous():
op = None
LogEntry.objects.log_action(
user_id=op and op.pk or None,
content_type_id=ContentType.objects.get_for_model(self).pk,
object_id=self.pk,
object_repr=force_unicode(self),
action_flag=DELETION,
)
super(CachingModel, self).delete()
def get_all_app_and_models(hide_visible_false=True):
'''
获取系统所有界面可视模型信息
条件：
对象类型：Model (_meta.app_label存在) AppOperation (含 view 成员)
非 _meta.abstract
有 browse_model 权限 有 browse_model 权限
配置项： verbose_name、visible、menu_index、app_menu、parent_model、select_related_perms、hide_perms、cancel_perms、menu_group
verbose_name、visible、_menu_index、_app_menu、_parent_model、_select_related_perms、_hide_perms、_cancel_perms、add_model_permission
'''
from django.conf import settings
from base.translation import DataTranslation, _ugettext_ as _
from django.db.models.loading import get_app
from django.db import models
from django.core.urlresolvers import reverse
from django.core.cache import cache
from middleware import threadlocals
usr=threadlocals.get_current_user()
cache_key = "%s_%s"%(usr.username,"menu_list") # 当前用户菜单列表缓存名
if usr.is_anonymous():
cache.delete(cache_key)
menu_list= None#cache.get(cache_key) # 不使用缓存
if menu_list:
return menu_list
################# 创建开始 ####################
apps={}
for application in settings.INSTALLED_APPS: # 首要条件必须在安装的app中
if application in settings.INVISIBLE_APPS: continue # 去掉隐藏的app
app_label=application.split(".")[-1]
apps[app_label]={
'models':[],
'is_app_true':'true'
}
for app_label in apps.keys():
app=get_app(app_label) # django 关键 api 的使用
apps[app_label]['name']=u"%(name)s"%{'name':hasattr(app, "verbose_name") and app.verbose_name or unicode(DataTranslation.get_field_display(ContentType, 'app_label', app_label))}
apps[app_label]['index']=hasattr(app, '_menu_index') and app._menu_index or 9999
for i in dir(app): # 条件二：在app.models 中的对象 如app/models/__init__.py
app_menu=None
try:
model=app.__getattribute__(i) # 得到成员对象
m0={}
##################### model 对象 #####################
if issubclass(model, models.Model) and (model._meta.app_label==app_label): # 条件三：成员为model，app_label不为空
admin=hasattr(model, "Admin") and model.Admin or None
if not model._meta.abstract:
perm='%s.%s_%s'%(model._meta.app_label, "browse",model.__name__.lower())
if usr.has_perm(perm):
m0={'verbose_name': u"%(name)s"%{'name':model._meta.verbose_name},'model':model, 'index':9999}
if (not admin or not hasattr(admin, "visible") or admin.visible):
m0["visible"]=True
else:
m0["visible"]=False
if hasattr(admin, "menu_index"):
m0['index']=admin.menu_index
if hasattr(admin, "parent_model"):
m0["parent_model"]=admin.parent_model
if hasattr(admin,"select_related_perms"):
m0["select_related_perms"]=admin.select_related_perms
if hasattr(admin,"hide_perms"):
m0["hide_perms"]=admin.hide_perms
if hasattr(admin,"cancel_perms"):
m0["cancel_perms"]=admin.cancel_perms
app_menu=app_label
if hasattr(admin, "app_menu"):
app_menu=admin.app_menu
m0['menu_group'] = hasattr(admin, "menu_group") and admin.menu_group or app_label#未配置时取app_menu（即app_label)
##################### AppOperation 对象 #####################
elif issubclass(model, AppOperation) and hasattr(model, 'view'): # 含view成员的 AppOperation
operation_flag=hasattr(model,'operation_flag') and model.operation_flag or "true"
menu_group = hasattr(model, '_menu_group') and model._menu_group or app_label#未配置时取app_menu（即app_label)
if usr.has_perm("contenttypes.can_%s"%model.__name__):
m0={'verbose_name':u"%(name)s"%{'name': hasattr(model, "verbose_name") and model.verbose_name or (u"%s"%_(model.__name__))},
'model':None,
'operation': model,
'menu_group': menu_group,
'operation_flag':operation_flag,
# 'url': reverse(model.view.im_func),
'index': 9999}
if (not hasattr(model, 'visible') or getattr(model,'visible')):
m0["visible"]=True
else:
m0["visible"]=False
if hasattr(model, 'add_model_permission'):
m0["add_model_permission"]=model.add_model_permission
if hasattr(model, '_parent_model'):
m0["parent_model"]=model._parent_model
if hasattr(model, "_menu_index"):
m0['index']=model._menu_index
if hasattr(model,"_select_related_perms"):
m0["select_related_perms"]=model._select_related_perms
if hasattr(model,"_hide_perms"):
m0["hide_perms"]=model._hide_perms
if hasattr(model,"_cancel_perms"):
m0["cancel_perms"]=model._cancel_perms
app_menu=app_label
if hasattr(model, "_app_menu"):
app_menu=model._app_menu
################## 创建 models 部分信息 ######################
if m0:
m0['app_label']=app_label
m0['name']=u"%(name)s"%{'name':model.__name__}
if app_menu not in apps: apps[app_menu]={
'name':u"%(name)s"%{'name':_(app_menu)},
'models': [m0,],
'index': hasattr(app, '_menu_index') and app._menu_index or 9999
}
else:
apps[app_menu]['models'].append(m0)
except TypeError:
pass
except:
import traceback; traceback.print_exc()
pass
############### 隐藏和排序处理(两级排序 ) ################################3
if hide_visible_false:
for k,v in apps.items():
vmodels=[m for m in v['models'] if m["visible"]] # 第三个条件
v['models']=vmodels
mlist=[(k,v) for k,v in apps.items() if v['models']] # 第四个条件
mlist.sort(lambda x1,x2: x1[1]['index']-x2[1]['index'])
for m in mlist:
m[1]['models'].sort(lambda x1,x2: (x1['index']-x2['index']) or (x1['name']>=x2['name'] and 1 or -1))
#return dict(mlist)不能排序
cache.set(cache_key,mlist,60*60*24)
return mlist
def get_all_app_and_models(hide_visible_false=True):
'''
获取系统所有界面可视模型信息
条件：
对象类型：Model (_meta.app_label存在) AppOperation (含 view 成员)
非 _meta.abstract
有 browse_model 权限 有 browse_model 权限
配置项： verbose_name、visible、menu_index、app_menu、parent_model、select_related_perms、hide_perms、cancel_perms、menu_group
verbose_name、visible、_menu_index、_app_menu、_parent_model、_select_related_perms、_hide_perms、_cancel_perms、add_model_permission
'''
from django.conf import settings
from base.translation import DataTranslation, _ugettext_ as _
from django.db.models.loading import get_app
from django.db import models
from django.core.urlresolvers import reverse
from django.core.cache import cache
from middleware import threadlocals
usr = threadlocals.get_current_user()
cache_key = "%s_%s" % (usr.username, "menu_list") # 当前用户菜单列表缓存名
if usr.is_anonymous():
cache.delete(cache_key)
menu_list = None #cache.get(cache_key) # 不使用缓存
if menu_list:
return menu_list
################# 创建开始 ####################
apps = {}
for application in settings.INSTALLED_APPS: # 首要条件必须在安装的app中
if application in settings.INVISIBLE_APPS: continue # 去掉隐藏的app
app_label = application.split(".")[-1]
apps[app_label] = {'models': [], 'is_app_true': 'true'}
for app_label in apps.keys():
app = get_app(app_label) # django 关键 api 的使用
apps[app_label]['name'] = u"%(name)s" % {
'name':
hasattr(app, "verbose_name") and app.verbose_name or unicode(
DataTranslation.get_field_display(ContentType, 'app_label',
app_label))
}
apps[app_label]['index'] = hasattr(
app, '_menu_index') and app._menu_index or 9999
for i in dir(app): # 条件二：在app.models 中的对象 如app/models/__init__.py
app_menu = None
try:
model = app.__getattribute__(i) # 得到成员对象
m0 = {}
##################### model 对象 #####################
if issubclass(model, models.Model) and (
model._meta.app_label
== app_label): # 条件三：成员为model，app_label不为空
admin = hasattr(model, "Admin") and model.Admin or None
if not model._meta.abstract:
perm = '%s.%s_%s' % (model._meta.app_label, "browse",
model.__name__.lower())
if usr.has_perm(perm):
m0 = {
'verbose_name': u"%(name)s" % {
'name': model._meta.verbose_name
},
'model': model,
'index': 9999
}
if (not admin or not hasattr(admin, "visible")
or admin.visible):
m0["visible"] = True
else:
m0["visible"] = False
if hasattr(admin, "menu_index"):
m0['index'] = admin.menu_index
if hasattr(admin, "parent_model"):
m0["parent_model"] = admin.parent_model
if hasattr(admin, "select_related_perms"):
m0["select_related_perms"] = admin.select_related_perms
if hasattr(admin, "hide_perms"):
m0["hide_perms"] = admin.hide_perms
if hasattr(admin, "cancel_perms"):
m0["cancel_perms"] = admin.cancel_perms
app_menu = app_label
if hasattr(admin, "app_menu"):
app_menu = admin.app_menu
m0['menu_group'] = hasattr(
admin, "menu_group"
) and admin.menu_group or app_label #未配置时取app_menu（即app_label)
##################### AppOperation 对象 #####################
elif issubclass(model, AppOperation) and hasattr(
model, 'view'): # 含view成员的 AppOperation
operation_flag = hasattr(
model,
'operation_flag') and model.operation_flag or "true"
menu_group = hasattr(
model, '_menu_group'
) and model._menu_group or app_label #未配置时取app_menu（即app_label)
if usr.has_perm("contenttypes.can_%s" % model.__name__):
m0 = {
'verbose_name': u"%(name)s" % {
'name':
hasattr(model, "verbose_name")
and model.verbose_name or
(u"%s" % _(model.__name__))
},
'model': None,
'operation': model,
'menu_group': menu_group,
'operation_flag': operation_flag,
# 'url': reverse(model.view.im_func),
'index': 9999
}
if (not hasattr(model, 'visible')
or getattr(model, 'visible')):
m0["visible"] = True
else:
m0["visible"] = False
if hasattr(model, 'add_model_permission'):
m0["add_model_permission"] = model.add_model_permission
if hasattr(model, '_parent_model'):
m0["parent_model"] = model._parent_model
if hasattr(model, "_menu_index"):
m0['index'] = model._menu_index
if hasattr(model, "_select_related_perms"):
m0["select_related_perms"] = model._select_related_perms
if hasattr(model, "_hide_perms"):
m0["hide_perms"] = model._hide_perms
if hasattr(model, "_cancel_perms"):
m0["cancel_perms"] = model._cancel_perms
app_menu = app_label
if hasattr(model, "_app_menu"):
app_menu = model._app_menu
################## 创建 models 部分信息 ######################
if m0:
m0['app_label'] = app_label
m0['name'] = u"%(name)s" % {'name': model.__name__}
if app_menu not in apps:
apps[app_menu] = {
'name':
u"%(name)s" % {
'name': _(app_menu)
},
'models': [
m0,
],
'index':
hasattr(app, '_menu_index') and app._menu_index
or 9999
}
else:
apps[app_menu]['models'].append(m0)
except TypeError:
pass
except:
import traceback
traceback.print_exc()
pass
############### 隐藏和排序处理(两级排序 ) ################################3
if hide_visible_false:
for k, v in apps.items():
vmodels = [m for m in v['models'] if m["visible"]] # 第三个条件
v['models'] = vmodels
mlist = [(k, v) for k, v in apps.items() if v['models']] # 第四个条件
mlist.sort(lambda x1, x2: x1[1]['index'] - x2[1]['index'])
for m in mlist:
m[1]['models'].sort(lambda x1, x2: (x1['index'] - x2['index']) or
(x1['name'] >= x2['name'] and 1 or -1))
#return dict(mlist)不能排序
cache.set(cache_key, mlist, 60 * 60 * 24)
return mlist
def save(self, *args, **kwargs):
is_new = False
if self.pk == None or self.create_time == None:
is_new = True
elif kwargs.get("force_insert", False):
is_new = True
if is_new and kwargs.get("force_update", False):
is_new = False
log_msg = kwargs.get('log_msg', True) #默认为True
#print "save: is_new=%s, self.pk=%s, self.create_time=%s, kwarg=%s"%(is_new, self.pk, self.create_time, kwargs)
op = threadlocals.get_current_user()
if op and op.is_anonymous(): op = None
#print "save: %s self.status:%s"%(self.__class__.__name__,self.status)
if is_new:
self.create_time = datetime.datetime.now()
if op: self.create_operator = op.username
else:
if self.status == STATUS_INVALID: #标记为删除
self.delete_time = datetime.datetime.now()
if op: self.delete_operator = op.username
else: #修改
self.change_time = datetime.datetime.now()
if op: self.change_operator = op.username
#pwp添加具体的修改信息
old_obj = self.__class__.all_objects.filter(pk=self.pk)[0]
change_info = []
for field in old_obj._meta.fields:
field_name = field.name
if field_name == 'status' or field_name not in [
abs_field.name
for abs_field in CachingModel._meta.fields
]: #只显示非自动维护字段的改变
old_value = getattr(old_obj, field_name)
new_value = getattr(self, field_name)
if new_value != old_value and (old_value or "None") != (
new_value or "None"):
change_info.append(u"%s(%s->%s)" %
(field.verbose_name, old_value
or "", new_value or ""))
if kwargs.has_key('log_msg') and type(
kwargs['log_msg']) != bool: #配置了指定写入的日志信息(默认写入)
kwargs['log_msg'] = u"%s" % kwargs[
'log_msg'] #+ u";".join(change_info)
elif change_info:
kwargs['log_msg'] = u";".join(change_info)
elif self.status != STATUS_INVALID: #不是删除操作
return #没有修改任何数据，无须进行保存操作
log_msg_content = kwargs.pop('log_msg', '')
invalidate_cache = kwargs.pop('invalidate_cache', True)
#print "save: %s, super save: %s"%(self.__class__.__name__,self.__dict__)
super(CachingModel, self).save(*args, **kwargs)
if self.Admin.cache and invalidate_cache:
key = cache_key(self, self.pk)
#print "\tinvalidate_cache:", key
cache.delete(key)
if log_msg or (
self.Admin.log and log_msg != False
): #log_msg设置了字符串，无论Admin.log都写日志；log_msg=False 表示强制不写日志
from models_logentry import LogEntry, ADDITION, DELETION, CHANGE
LogEntry.objects.log_action(
user_id=op and op.pk or None,
content_type_id=ContentType.objects.get_for_model(self).pk,
object_id=self.pk,
object_repr=force_unicode(self),
action_flag=(is_new and ADDITION)
or (self.status == STATUS_INVALID) and DELETION or CHANGE,
change_message=log_msg_content or "")
if is_new:
try:
for r in self._meta.get_all_related_objects():
if isinstance(r.field, models.OneToOneField):
r.model(**{r.field.name: self}).save()
except:
pass
def save(self, *args, **kwargs):
is_new = False
if self.pk == None or self.create_time == None:
is_new = True
elif kwargs.get("force_insert", False):
is_new = True
if is_new and kwargs.get("force_update", False):
is_new = False
log_msg = kwargs.get("log_msg", True) # 默认为True
# print "save: is_new=%s, self.pk=%s, self.create_time=%s, kwarg=%s"%(is_new, self.pk, self.create_time, kwargs)
op = threadlocals.get_current_user()
if op and op.is_anonymous():
op = None
# print "save: %s self.status:%s"%(self.__class__.__name__,self.status)
if is_new:
self.create_time = datetime.datetime.now()
if op:
self.create_operator = op.username
else:
if self.status == STATUS_INVALID: # 标记为删除
self.delete_time = datetime.datetime.now()
if op:
self.delete_operator = op.username
else: # 修改
self.change_time = datetime.datetime.now()
if op:
self.change_operator = op.username
# pwp添加具体的修改信息
old_obj = self.__class__.all_objects.filter(pk=self.pk)[0]
change_info = []
for field in old_obj._meta.fields:
field_name = field.name
if field_name == "status" or field_name not in [
abs_field.name for abs_field in CachingModel._meta.fields
]: # 只显示非自动维护字段的改变
old_value = getattr(old_obj, field_name)
new_value = getattr(self, field_name)
if new_value != old_value and (old_value or "None") != (new_value or "None"):
change_info.append(u"%s(%s->%s)" % (field.verbose_name, old_value or "", new_value or ""))
if kwargs.has_key("log_msg") and type(kwargs["log_msg"]) != bool: # 配置了指定写入的日志信息(默认写入)
kwargs["log_msg"] = u"%s" % kwargs["log_msg"] # + u";".join(change_info)
elif change_info:
kwargs["log_msg"] = u";".join(change_info)
elif self.status != STATUS_INVALID: # 不是删除操作
return # 没有修改任何数据，无须进行保存操作
log_msg_content = kwargs.pop("log_msg", "")
invalidate_cache = kwargs.pop("invalidate_cache", True)
# print "save: %s, super save: %s"%(self.__class__.__name__,self.__dict__)
super(CachingModel, self).save(*args, **kwargs)
if self.Admin.cache and invalidate_cache:
key = cache_key(self, self.pk)
# print "\tinvalidate_cache:", key
cache.delete(key)
if log_msg or (self.Admin.log and log_msg != False): # log_msg设置了字符串，无论Admin.log都写日志；log_msg=False 表示强制不写日志
from models_logentry import LogEntry, ADDITION, DELETION, CHANGE
LogEntry.objects.log_action(
user_id=op and op.pk or None,
content_type_id=ContentType.objects.get_for_model(self).pk,
object_id=self.pk,
object_repr=force_unicode(self),
action_flag=(is_new and ADDITION) or (self.status == STATUS_INVALID) and DELETION or CHANGE,
change_message=log_msg_content or "",
)
if is_new:
try:
for r in self._meta.get_all_related_objects():
if isinstance(r.field, models.OneToOneField):
r.model(**{r.field.name: self}).save()
except:
pass
def save(self): if not self.id: self.date = datetime.now() print get_current_user() self.user = get_current_user() super(Activity, self).save()
