/
memory_cache.py
executable file
·342 lines (310 loc) · 10.7 KB
/
memory_cache.py
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__author__ = 'chaithra & surya'
from class_formats import *
from category_meta_data import *
from user_info import *
import time
from time import strftime
class user1:
def __init__(self,username='',password='',email=''):
self.userid=username
self.password=password
self.email=email
class category_node:
def __init__(self,cat_name=None):
self.cat_name=cat_name
self.next_cat=None
self.forum_link=None
class forum_node:
def __init__(self,forum_name=None):
self.forum_name=forum_name
self.next_forum=None
self.ques_link=None
class ques_node:
def __init__(self,ques=None,ques_id=None):
self.ques=ques
self.ques_id=ques_id
self.next_ques=None
self.ans_link=None
class ans_node:
def __init__(self,ans=None):
self.ans=ans
self.next_ans=None
def trim(str):
s=''
i=0
try:
while str[i]!='\x00':
s+=str[i]
i+=1
except:
return s
return s
def trim1(str):
s=''
i=0
count=0
while True:
if str[i]=='\x00':
if count==0:
count=1
s+=str[i]
i+=1
continue
else:
break
else:
count=0
s+=str[i]
i+=1
return s
username_list=[]
password_list=[]
email_list=[]
head=category_node('sports')
temp_head=head
temp_head.next_cat=category_node('general')
temp_head=temp_head.next_cat
temp_head.next_cat=category_node('education')
temp_head=temp_head.next_cat
temp_head.next_cat=category_node('currentaffairs')
temp_head=temp_head.next_cat
temp_head.next_cat=category_node('politics')
temp_head=temp_head.next_cat
temp_head.next_cat=category_node('technology')
user_obj_list=get_user_table()
for user in user_obj_list:
username_list=username_list+[trim(user.userid)]
password_list=password_list+[trim(user.password)]
email_list=email_list+[trim(user.email)]
def add_forum_to_list(category_name,forum_name):
temp_head=head
while temp_head.cat_name!=category_name:
temp_head=temp_head.next_cat
new_forum=forum_node(forum_name)
new_forum.next_forum=temp_head.forum_link
temp_head.forum_link=new_forum
def add_question_to_list(category_name,forum_name,ques):
temp_head=head
while temp_head.cat_name!=category_name:
temp_head=temp_head.next_cat
temp_head=temp_head.forum_link
if temp_head!=None:
while temp_head.next_forum and temp_head.forum_name!=forum_name:
temp_head=temp_head.next_forum
new_ques=ques_node(ques)
new_ques.next_ques=temp_head.ques_link
if new_ques.next_ques:
new_ques.ques_id=new_ques.next_ques.ques_id+1
else:
new_ques.ques_id=0
temp_head.ques_link=new_ques
def add_answer_to_list(category_name,forum_name,ques,ans):
temp_head=head
ques=int(ques)-1
while temp_head.cat_name!=category_name:
temp_head=temp_head.next_cat
temp_head=temp_head.forum_link
while temp_head.forum_name!=forum_name and temp_head.next_forum!=None:
temp_head=temp_head.next_forum
temp_head=temp_head.ques_link
if temp_head!=None:
while temp_head.ques_id!=ques and temp_head.next_ques!=None:
temp_head=temp_head.next_ques
new_ans=ans_node(ans)
new_ans.next_ans=temp_head.ans_link
temp_head.ans_link=new_ans
def get_forums(category_name):
#print category_name
forum_list=retrieve_forum_list(category_name)
#print forum_list
for i in range(len(forum_list)):
forum_list[i]=trim(forum_list[i][0])
return forum_list
def get_questions(categoy_name,forum_name):
f=forum()
f.category=categoy_name
f.forum_name=forum_name
qlist = retrieve_question_list(f)
for i in range(len(qlist)):
qlist[i][1]=trim(qlist[i][1])
return qlist
def get_answers(category_name,forum_name,ques_id):
f=forum()
f.category=category_name
f.forum_name=forum_name
q=ques_create()
q.question_id=ques_id
anslist = retrieve_answers_list(f,q)
#print anslist
for i in range(len(anslist)):
anslist[i][0] = trim(anslist[i][0])
return anslist
def authenticate(user_name,password):
if user_name in username_list and password in password_list:
return "access granted"
else:
return "error in entry, please enter again"
def username_availability(user_name):
if user_name in username_list:
return "exist"
else:
return "available"
def email_availability(email):
if email in email_list:
return "exist"
else:
return "available"
def register(userid,password,email):
new_user=user_info()
new_user.userid=userid
new_user.password=password
new_user.email=email
make_new_user(new_user)
username_list.append(userid)
password_list.append(password)
email_list.append(email)
def add_forum(category_name,forum_name,user):
add_forum_to_list(category_name,forum_name)
send_forum=forum()
send_forum.forum_name=forum_name
send_forum.category=category_name
send_forum.createdby=user
send_forum.timestamp=strftime("%Y-%m-%d %H:%M:%S",time.localtime())
insert_forum(send_forum)
return "Forum created"
def add_question(category_name,forum_name,ques,user):
add_question_to_list(category_name,forum_name,ques)
f_obj=forum()
f_obj.category=category_name
f_obj.forum_name=forum_name
q_obj=ques_create()
q_obj.question=ques
q_obj.q_time_stamp=strftime("%Y-%m-%d %H:%M:%S",time.localtime())
q_obj.createdby=user
post_question(f_obj,q_obj)
return "Question added successfully"
def add_answer(category_name,forum_name,ques,ans,user):
add_answer_to_list(category_name,forum_name,ques,ans)
f_obj=forum()
f_obj.category=category_name
f_obj.forum_name=forum_name
q_obj=ques_create()
q_obj.question_id=int(ques)-1
q_obj.answer=ans
q_obj.q_time_stamp=strftime("%Y-%m-%d %H:%M:%S",time.localtime())
q_obj.createdby=user
post_answers(f_obj,q_obj)
return "Answer added successfully"
def list_forums(category_name):
temp_head=head
while temp_head.next_cat and temp_head.cat_name!=category_name:
temp_head=temp_head.next_cat
temp_head=temp_head.forum_link
forums=[]
while temp_head:
forums.append(temp_head.forum_name)
temp_head=temp_head.next_forum
return forums
def list_ques(category_name,forum_name):
temp_head=head
while temp_head.next_cat and temp_head.cat_name!=category_name:
temp_head=temp_head.next_cat
forum_head=temp_head.forum_link
while forum_head.next_forum and forum_head.forum_name!=forum_name:
forum_head=forum_head.next_forum
ques=[]
if forum_head.forum_name==forum_name:
ques_head=forum_head.ques_link
while ques_head:
ques.append(ques_head.ques)
ques_head=ques_head.next_ques
return ques
def list_ans(category_name,forum_name,ques):
temp_head=head
ques=int(ques)-1
while temp_head.next_cat and temp_head.cat_name!=category_name:
temp_head=temp_head.next_cat
temp_head=temp_head.forum_link
while temp_head.next_forum and temp_head.forum_name!=forum_name:
temp_head=temp_head.next_forum
temp_head=temp_head.ques_link
while temp_head.next_ques and temp_head.ques_id!=ques:
temp_head=temp_head.next_ques
ans=[]
if temp_head.ques_id==ques:
temp_head=temp_head.ans_link
while temp_head:
ans.append(temp_head.ans)
temp_head=temp_head.next_ans
return ans
def list_categories():
temp_head=head
categories=[]
while temp_head:
categories=categories+[temp_head.cat_name]
temp_head=temp_head.next_cat
return categories
def start_memory():
cat_list=list_categories()
#print cat_list
for cat in cat_list:
cat_head=head
while cat_head.cat_name!=cat:
cat_head=cat_head.next_cat
#print "get forums"
forum_list=get_forums(cat)
if forum_list:
for each_forum in forum_list:
new_forum=forum_node(each_forum)
new_forum.next_forum=cat_head.forum_link
cat_head.forum_link=new_forum
forum_head=cat_head.forum_link
ques_list=get_questions(cat,each_forum)
for each_ques in ques_list:
new_ques=ques_node(each_ques[1],each_ques[0])
new_ques.next_ques=forum_head.ques_link
forum_head.ques_link=new_ques
ques_head=forum_head.ques_link
ans_list=get_answers(cat,each_forum,each_ques[0])
for each_ans in ans_list:
new_ans=ans_node(each_ans[0])
new_ans.next_ans=ques_head.ans_link
ques_head.ans_link=new_ans
def generate_test_input():
category_list=list_categories()
for each_cat in category_list:
for i in range(0,20):
add_forum(each_cat,"forum"+str(i),"chaithra")
for j in range(0,20):
add_question(each_cat,"forum"+str(i),"question"+str(j),"chaithra")
for k in range(0,10):
add_answer(each_cat,"forum"+str(i),j,"answer"+str(j),"chaithra")
if __name__=='__main__':
start_memory()
#print list_ans("education",'forum0',1)
#print username_list,password_list
#register('surya','suri','sury@sdjg.com')
#print username_list
#add_forum('currentaffai','gk','chaitu')
#add_forum('politics','trs','chaitu')
#add_forum('education','engineering','chaitu')
#print list_forums('sports')
#add_question('politics','congress','where is priyanka gandhi','jump')
#add_question('education','engg','dislike?','chaitu')
#add_answer('sports','polo',0,'yes hello','chaitu')
#add_answer('education','engg',2,'no','chaitu')
#print list_ques('sports','polo')
#print get_forums('currentaffairs')
print get_questions('sports','forum0')
#print get_answers('general','peace',2)
#print list_categories()
#print list_forums('politics')
#print list_ques('politics','congress')
#print list_ques('sports','forum0')
#print get_answers('general','china',0)
#print list_ans('general','china','2')
#print get_user_table()
#print username_list
#print password_list
#print email_list
#add_forum('currentaffairs','countries','chaitu')