diff --git a/djangoProject2/movie/__pycache__/urls.cpython-312.pyc b/djangoProject2/movie/__pycache__/urls.cpython-312.pyc index bcc71e78..1887ad08 100644 Binary files a/djangoProject2/movie/__pycache__/urls.cpython-312.pyc and b/djangoProject2/movie/__pycache__/urls.cpython-312.pyc differ diff --git a/djangoProject2/movie/__pycache__/views.cpython-312.pyc b/djangoProject2/movie/__pycache__/views.cpython-312.pyc index 51b96cf3..8850ab02 100644 Binary files a/djangoProject2/movie/__pycache__/views.cpython-312.pyc and b/djangoProject2/movie/__pycache__/views.cpython-312.pyc differ diff --git a/djangoProject2/movie/apps.py b/djangoProject2/movie/apps.py index 2ed287c0..c0525a1a 100644 --- a/djangoProject2/movie/apps.py +++ b/djangoProject2/movie/apps.py @@ -4,4 +4,4 @@ from django.apps import AppConfig class MovieConfig(AppConfig): name = 'movie' - verbose_name='电影推荐系统' \ No newline at end of file + verbose_name="电影推荐系统" \ No newline at end of file diff --git a/djangoProject2/movie/forms.py b/djangoProject2/movie/forms.py index 4ce838c1..35a354a1 100644 --- a/djangoProject2/movie/forms.py +++ b/djangoProject2/movie/forms.py @@ -5,15 +5,15 @@ from movie.model import User,Movie_rating class RegisterForm(forms.ModelForm): password_repeat=forms.CharField(max_length=256) - def get_erros(self): - erros=self.erros.get_json_data() - erros_lst=[] - for messages in erros.values(): - for messages_dict in messages: + def get_errors(self): + errors=self.errors.get_json_data() + errors_lst=[] + for messages in errors.values(): + for message_dict in messages: for key,message in message_dict.items(): if key=='messasge': - erros_lst.apppend(message) - return erros_lst + errors_lst.append(message) + return errors_lst def clean(self): @@ -37,12 +37,12 @@ class LoginForm(forms.ModelForm): model=User fields=['password'] - def get_error(self): + def get_errors(self): errors=self.errors.get_json_data() errors_lst=[] for messages in errors.values(): - for message_dict in messsages: - for key.message in message_dict.items(): + for message_dict in messages: + for key,message in message_dict.items(): if key=='messasge': errors_lst.append(message) return errors_lst diff --git a/djangoProject2/movie/urls.py b/djangoProject2/movie/urls.py index a8b0279b..337d5aef 100644 --- a/djangoProject2/movie/urls.py +++ b/djangoProject2/movie/urls.py @@ -5,11 +5,11 @@ from.import views app_name='movie' -urlpattterns=[ +urlpatterns=[ path('',views.IndexView.as_view(),name='index'), path('hot',views.PopularMovieView.as_view(),name='hot'), path('login',views.LoginView.as_view(),name='login'), - path('logout',views.UserLogout.as_view(),name='logout'), + path('logout',views.UserLogout,name='logout'), path('register',views.RegisterView.as_view(),name='register'), path('tag',views.TagView.as_view(),name='tag'), path('search',views.SearchView.as_view(),name='search'), diff --git a/djangoProject2/movie/views.py b/djangoProject2/movie/views.py index cf0313e0..176db2db 100644 --- a/djangoProject2/movie/views.py +++ b/djangoProject2/movie/views.py @@ -23,11 +23,11 @@ class IndexView(ListView): def get_queryset(self): - return Movie.object.filter(imdb_id__lte=1000) + return Movie.objects.filter(imdb_id__lte=1000) def get_context_data(self,*,object_list=None,**kwargs): - context=super(IndexView,self).get_context_data(*kwargs) + context=super(IndexView,self).get_context_data(**kwargs) paginator=context.get('paginator') page_obj=context.get('page_obj') pagination_data=self.get_pagination_data(paginator,page_obj) @@ -82,7 +82,7 @@ class PopularMovieView(ListView): def get_context_data(self,*,object_list=None,**kwargs): - context=super(PopularMovieView,self).get_context_data(*kwargs) + context=super(PopularMovieView,self).get_context_data(**kwargs) paginator=context.get('paginator') page_obj=context.get('page_obj') pagination_data=self.get_pagination_data(paginator,page_obj) @@ -132,8 +132,7 @@ class TagView(ListView): print(movies) return movies[:100] def get_context_data(self,*,object_list=None,**kwargs): - - context=super(TagView,self).get_context_data(*kwargs) + context=super(TagView,self).get_context_data(**kwargs) if "genre" in self.request.GET.dict().keys(): genre=self.request.GET.dict()['genre'] context.update({'genre':genre}) @@ -177,7 +176,7 @@ class SearchView(ListView): movies=Movie.objects.filter(name__icontains=self.request.GET.dict()['keyword']) return movies def get_context_data(self,*,object_list=None,**kwargs): - context=super(SearchView,self).get_context_data(*kwargs) + context=super(SearchView,self).get_context_data(**kwargs) paginator=context.get('paginator') page_obj=context.get('page_obj') pagination_data=self.get_pagination_data(paginator,page_obj) @@ -252,7 +251,7 @@ class LoginView(View): for error in errors: messages.info(request,error) return redirect(reverse('movie:login')) -class UserLogout(request): +def UserLogout(request): request.session.set_expiry(-1) return redirect(reverse('movie:index')) @@ -269,7 +268,7 @@ class MovieDetailView(DetailView): login=False pk=self.kwargs['pk'] - movie=Movie.object.get(pk=pk) + movie=Movie.objects.get(pk=pk) if login: user=User.objects.get(pk=user_id) rating=Movie_rating.objects.filter(user=user,movie=movie).first() @@ -291,8 +290,8 @@ class MovieDetailView(DetailView): comment=form.cleaned_data.get('comment') user_id=request.session['user_id'] user=User.objects.get(pk=user_id) - movie=Movie.object.get(pk=pk) - rating=Movie_rating.object.filter(user=user,movie=movie).first() + movie=Movie.objects.get(pk=pk) + rating=Movie_rating.objects.filter(user=user,movie=movie).first() if rating: rating.score=score rating.comment=comment @@ -327,7 +326,7 @@ def delete_recode(request,pk): messages.info(request,f'删除{movie.name}评分记录成功！') return redirect(reverse('movie:history',args=(user_id,))) -class recommendMovieView(ListView): +class RecommendMovieView(ListView): model=Movie template_name='movie/recommend.html' paginate_by=15 @@ -348,10 +347,56 @@ class recommendMovieView(ListView): other_users=User.objects.exclude(pk=cur_user_id) self.cur_user_movie_qs=Movie.objects.filter(user=cur_user) for user in other_users: - user_sim_dct[user.id]=len(Movie.object,filter(user=user)&self.cur_user_movie_qs) + user_sim_dct[user.id]=len(Movie.objects.filter(user=user)&self.cur_user_movie_qs) print("user similarity calculated!") return sorted(user_sim_dct.items(),key=lambda x:-x[1][:self.K]) def get_recommend_movie(self,user_lst): movie_val_dct=dict() - for user,_in user_lst: - movie_set=Movie.objects.filter(user=user).exclude(id__in=self.cur_user_movie_qs).annotate(score=F('movie_rating__score')*F('movie_rating__score')) \ No newline at end of file + for user in user_lst: + movie_set=Movie.objects.filter(user=user).exclude(id__in=self.cur_user_movie_qs).annotate(score=Movie('movie_rating__score')*Movie('movie_rating__score')) + for movie in movie_set: + movie_val_dct.setdefault(movie,0) + movie_val_dct[movie]+=movie.score + return sorted(movie_val_dct.items(),key=lambda x:-x[1])[:self.N] + def get_queryset(self): + s=time.time() + user_lst=self.get_user_sim() + movie_lst=self.get_recommend_movie(user_lst) + result_lst=[] + for movie, in movie_lst: + result_lst.append(movie) + e=time.time() + print(f"算法推荐用时:[e-s]秒") + return result_lst + def get_context_data(self,*,object_list=None,**kwargs): + context=super(RecommendMovieView,self).get_context_data(**kwargs) + print(context) + paginator=context.get('pagginator') + page_obj=context.get('page_obj') + pagination_data=self.get_pagination_data(paginator,page_obj) + context.update(pagination_data) + return context + + def get_pagination_data(self,paginator,page_obj,around_count=2): + current_page=page_obj.number + if current_page<=around_count+2: + left_pages=range(1,current_page) + left_has_more=False + else: + left_pages=range(current_page-around_count,current_page) + left_has_more=True + + if current_page>=paginator.num_pages-around_count-1: + right_pages=range(current_page+1,paginator.num_pages+1) + right_has_more=False + else: + right_pages=range(current_page+1,current_page+around_count+1) + right_has_more=True + + return { + 'left_pages':left_pages, + 'right_pages':right_pages, + 'current_page':current_page, + 'left_has__more':left_has_more, + 'right_has__more':right_has_more + } \ No newline at end of file