def POST(self):
#ufile=self.request.params['userfile']
ufile = self.request.FILES['userfile']
#if ufile:
#name=ufile.filename
name = ufile.name
mtype =os.path.splitext(name)[1][1:]
#bits = self.param('userfile')
bits = ''.join(ufile.chunks())
media=Media(name = name, mtype = mtype, bits = bits)
media.put()
self.write(simplejson.dumps({'name':media.name,'size':media.size,'id':str(media.key())}))
def GET(self):
extstr=self.param('ext')
ext=extstr.split('|')
files=Media.all()
if extstr!='*':
files=files.filter('mtype IN',ext)
self.render2('views/admin/upload.html',{'ext':extstr,'files':files})
def GET(self):
try:
page_index=int(self.param('page'))
except:
page_index=1
files = Media.all().order('-date')
files,links=Pager(query=files,items_per_page=15).fetch(page_index)
self.render('views/admin/filemanager.html',{'files' : files,'pager':links})
def POST(self): # delete files
#delids = self.request.POST.getall('del')
delids = self.request.POST.getlist('del')
if delids:
for id in delids:
file = Media.get_by_id(int(id))
file.delete()
self.redirect('/admin/filemanager')
def search(request):
context = Media.get_num_of_state()
if request.method == 'GET' and 'q' in request.GET:
q = request.GET.get('q', '')
if q:
medias = Media.objects.filter(description__icontains = q)
context['medias'] = medias
return render(request, 'admin/media_show.html', context)
else:
return render(request, 'admin/error.html')
def GET(self, slug):
media=Media.get(slug)
if media:
self.response.headers['Expires'] = 'Thu, 15 Apr 3010 20:00:00 GMT'
self.response.headers['Cache-Control'] = 'max-age=3600,public'
self.response.headers['Content-Type'] = str(media.mtype)
self.response.out.write(media.bits)
a=self.param('a')
if a and a.lower()=='download':
media.download+=1
media.put()
def show(request):
context = Media.get_num_of_state()
if request.method == 'GET' and request.GET:
form = MediaFilterForm(request.GET)
if form.is_valid():
attached = form.cleaned_data['attached']
if attached == 'true':
medias = Media.objects.filter(attached = True)
else:
medias = Media.objects.filter(attached = False)
else:
return render(request, 'admin/error.html')
else:
medias = Media.objects.all()
context['medias'] = medias
return render(request, 'admin/media_show.html', context)
def upload(request):
if request.method == 'POST':
form = UserForm(request.POST, request.FILES)
if form.is_valid():
# username = form.cleaned_data['user_name']
# head_img = form.cleaned_data['headImg']
Media(
username=request.POST.get('username'),
img=request.FILES.get('img'),
video=request.FILES.get('video'),
# django 里面上传文件默认只处理单个文件上传，批量上传的时候request.FILES 的类型
# 为 MultiValueDict，这种字典类是特殊定义的，要取得list 需要调用 getlist方法:
time=datetime.now()).save()
return HttpResponseRedirect('/blog/upload')
else:
form = UserForm()
return render(request, "register.html", {'form': form})
def tweetsOperator(statusDatas):
index = 0
if len(statusDatas) > 0:
for status in statusDatas:
status_json_dic = status._json
# 获取用户及推文信息
# 创建时间
created_at = status_json_dic['created_at']
# python date
created_at_python_date = transform_twitter_date_to_python_date(
created_at)
# 推文ID
post_id_str = status_json_dic['id_str']
# 推文文字
post_text = status_json_dic['text']
user_info_dic = status_json_dic['user']
user_id_str = user_info_dic['id_str']
user_screen_name = user_info_dic['screen_name']
# 判断不是转推
if 'retweeted_status' not in status_json_dic:
# 判断字典中是否有extended_entities字段，有的话说明有多个媒体文件
if 'extended_entities' in status_json_dic:
# 获取媒体字段
extended_entities_dic = status_json_dic[
'extended_entities']
media_list = extended_entities_dic['media']
for media in media_list:
media_id_str = media['id_str']
media_type = media['type']
media_url = media['media_url']
# 如果媒体已在删除列表中记录，跳过不进行下载
deleted_media_record = DeletedMedia.objects.filter(
post_id_str=post_id_str, media_id_str=media_id_str)
if deleted_media_record:
# 如果有记录，此媒体不进行保存，跳到下一个
continue
# 图片名称
photo_file_name = os.path.basename(media_url)
# 获取存储全路径
dest_file_full_path = get_file_local_full_path(
user_screen_name, photo_file_name)
media_data = Media(user_id_str=user_id_str,
post_id_str=post_id_str,
post_text=post_text,
media_id_str=media_id_str,
media_type=media_type,
remote_url=media_url,
created_at=created_at_python_date,
local_url=dest_file_full_path,
is_cover=False)
save_media_data_into_database(media_data)
# 获取文件夹路径
dest_dev_path = get_poster_local_store_dev_path(
user_screen_name)
# 存储图片
download_file_from_url(dest_dev_path,
dest_file_full_path, media_url)
if media_type == 'video':
video_info_list = media['video_info']['variants']
bitrate_temp = 0
best_video_url = ""
video_file_name = ""
# 获取最高清视频地址
for video_info in video_info_list:
if 'bitrate' in video_info:
bitrate = video_info['bitrate']
if bitrate > bitrate_temp:
bitrate_temp = bitrate
best_video_url = video_info['url']
video_file_name_str = os.path.basename(
best_video_url)
if '?' in video_file_name_str:
video_file_name = video_file_name_str.split(
"?")[0]
else:
video_file_name = video_file_name_str
# 下载视频
if len(video_file_name) > 0:
http_video_url = best_video_url.replace(
"https", "http")
dest_video_full_path = get_file_local_full_path(
user_screen_name, video_file_name)
# 存储视频媒体数据到数据库
media_just_saved = load_media_data_from_database(
media_data)
if media_just_saved is not None:
media_just_saved.local_video_url = dest_video_full_path
media_just_saved.save()
# 下载视频媒体文件
download_file_from_url(dest_dev_path,
dest_video_full_path,
http_video_url)
index = index + 1
