webpage_v2/app_flask.py

from flask import Flask, request, render_template, session, redirect, url_for,render_template_string
from flask_login import LoginManager, UserMixin, login_user, login_required, logout_user, current_user
from datetime import timedelta
import json
import datetime
import os
from tqdm import tqdm
import random

# ======== static and global variables ========
static_root_path="/data/xuan/video_eval/webpage_v2/video_eval_bench"
root_dir="/data/xuan/video_eval"

app = Flask(__name__,static_folder='/data/xuan/video_eval/webpage_v2/video_eval_bench')
app.secret_key = os.urandom(24)
app.config['PERMANENT_SESSION_LIFETIME'] = timedelta(days=100)
PORT_NUM = 22002
subpath = "/video_eval_bench/"

login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'login'

base_model_mapping={"0":"pika",
             "1":"t2vz",
             "2":"vc2",
             "3":"ms",
             "4":"lavie_base",
             "5":"anidiff",
             "6":"lvdm",
             "7":"hotshot",
             "8":"zs_576w",
             }

local_video_dir="./videos_display"
res_dir="./res/res_current"
text_files_dir="text_files"
text_en_path=f"./{text_files_dir}/text_en_display.jsonl"
text_zh_path=f"./{text_files_dir}/text_zh_display.jsonl"
user_info_path=f"./{text_files_dir}/user_info.json"
reported_problem_log=f"./{text_files_dir}/problem_reported.json"
sampled_id_file=f"./{text_files_dir}/sampled_id.json"
num_que=5


# ======== preparing video-ids and videos  =========
video_id_list=[]
videos=[]

sampled_id_data=json.load(open(sampled_id_file, 'r'))
video_id_list=sampled_id_data["sampled_id"]

# if LOCAL_VIDEO == 1 and os.path.exists(f"{static_root_path}/{local_video_dir}/"):
#     raw_videos=sorted([file for file in 
#                        os.listdir(f"{static_root_path}/{local_video_dir}/") if file.endswith(('.mp4'))])
    
#     video_id_list=[f.split(".")[0] for f in raw_videos]

num_vid_each_user=1000

print("len of video_id_list ",len(video_id_list))

videos_all=[f"{v_id}.mp4" for v_id in video_id_list]
print(video_id_list[:30])


# ======= preparing text prompts ======== 
text_prompts_en_all=[]
text_prompts_zh_all=[]
with open(text_en_path,"r") as f:
    for line in f:
        text_prompts_en_all.append(json.loads(line))
with open(text_zh_path,"r") as f:
    for line in f:
        text_prompts_zh_all.append(json.loads(line))


# text_en_all=[]
# text_zh_all=[]
# with open(text_en_path,"r") as f:
#     for line in f:
#         text_en_all.append(json.loads(line))
# with open(text_zh_path,"r") as f:
#     for line in f:
#         text_zh_all.append(json.loads(line))

# text_prompts_en=[]
# text_prompts_zh=[]
# not_found=[]
# for i in tqdm(range(len(video_id_list))):
#     video_id=video_id_list[i]
#     found=False
#     for tmp_idx,x in enumerate(text_en_all):
#         if int(x['id']) == int(video_id):
#             text_prompts_en.append(x)
#             text_prompts_zh.append(text_zh_all[tmp_idx])
#             found=True
#             break
#     if not found:
#         not_found.append(video_id)
#         print(f"{i+1}-th video in sampled_id not found.")
# with open("/data/xuan/video_eval/not_found.txt","w") as f:
#     for item in not_found:
#         f.write(item+"\n")


# ======== textual static contents ========
with open(f'./templates/html_text_en/start.txt', 'r') as file:
    before_start=file.read()
with open(f'./templates/html_text_zh/start_zh.txt', 'r') as file:
    before_start_zh=file.read()
subscore_def_en_list=[]
subscore_files=["visual.txt","temporal.txt","dynamic.txt","align.txt","factual.txt"]
for _,fname in enumerate(subscore_files):
    with open(f'./templates/html_text_en/{fname}', 'r') as file:
        content = file.read()
    subscore_def_en_list.append(content)
    
subscore_def_zh_list=[]
subscore_zh_files=["visual_zh.txt","temporal_zh.txt","dynamic_zh.txt","align_zh.txt","factual_zh.txt"]
for _,fname in enumerate(subscore_zh_files):
    with open(f'./templates/html_text_zh/{fname}', 'r') as file:
        content = file.read()
    subscore_def_zh_list.append(content)


# ========= resources for pre-annotating trial =========
pre_anno_video_dir="pre_anno/pre_anno_videos"
pre_anno_text_en_path=f"{static_root_path}/pre_anno/pre_anno_text_en.json"
pre_anno_text_zh_path=f"{static_root_path}/pre_anno/pre_anno_text_en.json"
pre_anno_ref_en_path=f"{static_root_path}/pre_anno/pre_anno_ref_en.json"
pre_anno_ref_zh_path=f"{static_root_path}/pre_anno/pre_anno_ref_zh.json"
pre_anno_videos=sorted([file for file in os.listdir(f"{static_root_path}/{pre_anno_video_dir}") if file.endswith(('.mp4'))])
pre_anno_prompts_en = json.load(open(pre_anno_text_en_path, "r")) 
pre_anno_prompts_zh = json.load(open(pre_anno_text_zh_path, "r"))



# ======== user info ========
current_user_dict={}
if os.path.exists(f"{user_info_path}"):
    user_data= json.load(open(f'{user_info_path}', 'r'))
    users=list(user_data.keys())
    print("users ",users)
else:
    with open(f"{user_info_path}","w") as f:
        json.dump({},f,indent=4)
        pass
    user_data={}
    users=[]

s_idx_user_mapping={}
for user in users:
    curr_user_dict=user_data.get(user)
    s_idx=curr_user_dict["s_idx"]
    s_idx_user_mapping[f"{s_idx}"]=curr_user_dict["username"]

# ========= validation info ========
annotators=users
answers_all=[]
VALIDATE_USER_NAME="video_admin"


# ======== user login part ========
class User(UserMixin):
    def __init__(self, id):
        print("user init")
        self.id = id

@login_manager.user_loader
def load_user(user_id):
    if user_id in users:
        print("load user ",user_id)
        return User(user_id)
    else:
        print("user_id not in users_list")
    return None



# ======== webpage_v2
# contents ========
@app.route(f'{subpath}',methods=['GET'])
def start():
    return redirect(url_for('welcome'))


@app.route(f'{subpath}welcome', methods=['GET','POST'])
def welcome():
    session['current_idx']=0
    session["pre_anno_answers"]={}
    session['admin']=None
    session['s_idx_val']=0
    session['e_idx_val']=len(video_id_list)-1

    html_file="welcome.html"
    subscore_def=subscore_def_en_list
    before_start_anno=before_start

    language = request.form.get('language',"en")
    session["language"]=language
    print("welcome language", language)
    if language=="zh":
        session["language"]="zh"
        html_file="zh/welcome_zh.html"
        subscore_def=subscore_def_zh_list
        before_start_anno=before_start_zh

    
    return render_template(html_file,\
                    before_start_anno=before_start_anno,\
                           visual_def=subscore_def[0],\
                           temporal_def=subscore_def[1],\
                           dynamic_def=subscore_def[2],\
                            
                            align_def=subscore_def[3],\
                            factual_def=subscore_def[4])


@app.route(f'{subpath}login', methods=['POST'])
def login():
    username = request.form['username']
    ans_path=f""
    if username in users:
        print("user ",username)
        curr_user_dict = user_data.get(username)
        ans_path=f"{res_dir}/ans_{username}.jsonl"
        
    else:
        return redirect(url_for('welcome'))
        # print("new user ",username)
        # users.append(username)
        # new_user_dict={"username":username,
        #     "timestamp":datetime.datetime.now().strftime('%Y-%m-%d-%H_%M_%S'),
        #     "current_idx":0}
        
        # user_data[username]=new_user_dict
        # with open(f"{user_info_path}","w") as f:
        #     json.dump(user_data,f,indent=4)

        # ans_path=f"{res_dir}/ans_{username}_{new_user_dict['timestamp']}.jsonl"
        # with open(f"{ans_path}","w") as f:
        #     None
        
    user = User(username)
    login_user(user)

    curr_user_dict=user_data.get(username)
    session['username'] = curr_user_dict["username"]
    session['s_idx']=curr_user_dict['s_idx']
    session['e_idx']=curr_user_dict['e_idx']
    session['current_idx']=curr_user_dict['current_idx']
    return redirect(url_for('display'))


@app.route(f'{subpath}logout',methods=['POST'])
@login_required
def logout():
    logout_user()
    session.pop('username', None)
    session.pop('s_idx', None)
    session.pop('e_idx', None)
    session.pop('current_idx', None)
    language=request.form.get('language',"en")
    session["language"]=language
    print("after logout ",language)
    return redirect(url_for('welcome'))


@app.route(f'{subpath}annotating',methods=['GET','POST'])
def display():
    s_idx=session["s_idx"]
    e_idx=session["e_idx"]
    videos_curr_user=videos_all[s_idx:e_idx+1]
    text_prompts_en=text_prompts_en_all[s_idx:e_idx+1]
    text_prompts_zh=text_prompts_zh_all[s_idx:e_idx+1]
    username=session["username"]
    ans_file=f"{res_dir}/ans_{username}.jsonl"
    current_idx=int(session.get("current_idx",0))
    print("curr_idx in display ",current_idx)
    
    slice_start_idx=0
    slice_end_idx=len(videos_curr_user)-1
    if current_idx <= slice_end_idx:
        vid_name=videos_curr_user[current_idx].split(".")[0]
        print("video name in display ",f"{vid_name}.mp4")
        
        video=f"{local_video_dir}/{videos_curr_user[current_idx]}"

        answer_data_dict={}
        with open(ans_file,'r') as f:
            data=[json.loads(line) for line in f]
            for d in data:
                answer_data_dict.update(d)

        answered_vid_list=list(answer_data_dict.keys())
        # checked_vid_list=[list(item.keys())[0] for item in data[1000:]]
        # print(len(checked_vid_list))
        
        # unanswered_least_idx=0
        # for video_tmp_idx,vid in enumerate(videos_curr_user):
        #     tmp_name=vid.split(".")[0]
        #     if tmp_name not in checked_vid_list:
        #         unanswered_least_idx=video_tmp_idx
        #         break
                
        unanswered_least_idx=0
        for video_tmp_idx,vid in enumerate(videos_curr_user):
            tmp_name=vid.split(".")[0]
            tmp_ans=answer_data_dict.get(tmp_name,["None" for _ in range(num_que)])
            if "None" in tmp_ans:
                unanswered_least_idx=video_tmp_idx
                break
        
        current_answers=[]
        if vid_name in answered_vid_list:
            current_answers=answer_data_dict[vid_name]
        
        # print("answered_vid_list",answered_vid_list)
        print("current_answers (list) ",current_answers)

        html_file="display.html"
        subscore_def=subscore_def_en_list
        before_start_anno=before_start
        prompt=text_prompts_en[current_idx]["text"]
        language=session.get("language","en")
        print("language in display ",language)

        if language=="zh":
            html_file="zh/display_zh.html"
            subscore_def=subscore_def_zh_list
            before_start_anno=before_start_zh
            prompt=text_prompts_zh[current_idx]["text"]

        return render_template(html_file, \
            before_start_anno=before_start_anno,\
            num_que=num_que,\
            subscore_def=subscore_def,\
            start_index=slice_start_idx,\
            end_index=slice_end_idx,\
            current_idx=current_idx,\
            unanswered_least_idx=unanswered_least_idx,\
            vid_name=vid_name,\
            video=video,\
            text_prompt=prompt,\
            answered_vid_list=answered_vid_list,\
            current_answers=current_answers,\
            _is_val=0)

    else:
        current_idx=0
        session["current_idx"]=current_idx
        user_data[username]['current_idx']=session['current_idx']
        with open(f"{user_info_path}","w") as file:
            json.dump(user_data, file, indent=4)

        print("curr_idx in display ",current_idx)
        return redirect(url_for('display'))


@app.route(f'{subpath}navigate_main', methods=['POST'])
def navigate_main():
    s_idx=session["s_idx"]
    e_idx=session["e_idx"]
    slice_end_idx=e_idx-s_idx
    direction = request.form['direction']
    current_idx = int(request.form['current_idx'])

    if direction == 'last':
        if current_idx>0:
            current_idx -= 1
        else:
            current_idx = slice_end_idx
    elif direction == 'next':
        if current_idx < slice_end_idx:
            current_idx += 1
        else:
            current_idx = 0

    session["current_idx"]=current_idx
    print("idx after navigation ", session.get("current_idx",0))
    
    print("navigaiton of display")
    return redirect(url_for('display'))

@app.route(f'{subpath}navigate_turn', methods=['POST'])
def navigate_turn():
    s_idx=session["s_idx"]
    e_idx=session["e_idx"]
    slice_end_idx=e_idx-s_idx
    current_idx = int(request.form['current_idx'])
    next_idx = request.form['next_idx']
    if next_idx.isdigit():
        if int(next_idx)>=1 and int(next_idx)<=slice_end_idx+1:
            session["current_idx"]=int(next_idx)-1
    else:
        session["current_idx"]=current_idx
    return redirect(url_for('display'))


@app.route(f'{subpath}submit', methods=['POST'])
def submit():
    username = session['username']
    ans_file=f"{res_dir}/ans_{username}.jsonl"

    problem_reported=request.form.get('problem',0)
    current_idx = int(request.form['current_idx'])
    vid_name=request.form['video'].split("/")[-1].split(".")[0]
    text=request.form['text_prompt']

    answer_list=[]
    if not problem_reported:
        for i in range(num_que):
            answer_list.append(str(request.form.get(f'q{i+1}')))
    else:
        answer_list=["-1" for _ in range(num_que)]
        with open(f"{reported_problem_log}","r") as problem_log:
            problem_list=json.load(problem_log)
        problem_list.append({
                "username":username,
                "text_prompt":text,
                "video_name":request.form['video']
            }) 
        with open(f"{reported_problem_log}","w") as problem_log:
            json.dump(problem_list,problem_log,indent=4)

    answer_dict={vid_name:answer_list}
    
    with open(ans_file,"a") as file:
        json.dump(answer_dict, file)
        file.write('\n')

    session['current_idx'] = current_idx + 1
    session.modified = True

    #print("in submit, session[\'answers\'] ",session['answers'])
    print("idx after submission ", session.get("current_idx",0))

    user_data[username]['current_idx']=session['current_idx']
    with open(f"{user_info_path}","w") as file:
        json.dump(user_data, file, indent=4)

    return redirect(url_for('display'))


if __name__ == '__main__':
    app.run(port=PORT_NUM)
    # app.run(debug=True,port=PORT_NUM)


# gunicorn -w 4 -b 0.0.0.0:22002 al_flask:app
# ps aux | grep gunicorn
    
# tmux new-session -s flaskapp
# tmux list-sessions
# tmux attach-session -t flaskapp
# tmux kill-session -t flaskapp