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preprocess_trie_hash.py
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from collections import defaultdict
paths = set()
# Trie Node
class Node:
def __init__(self):
self.children = defaultdict(bool)
self.is_end = False
self.path = []
# Trie
class Trie:
# Init trie
def __init__(self):
self.head = Node()
# Insert into trie
def insert(self,pattern,path):
temp = self.head
for i in range(len(pattern)):
ind = ord(pattern[i])
# print(ind)
if temp.children[ind] == False:
temp.children[ind] = Node()
temp = temp.children[ind]
temp.is_end = True
temp.path+=[path]
# search in trie
def search(self,pattern):
temp = self.head
for i in range(len(pattern)):
ind = ord(pattern[i])
if temp is False or temp.children[ind] is False:
return False
temp = temp.children[ind]
return temp.is_end,temp.path
# find all prefixes
def prefix_all(self,head,pattern,results):
temp = head
for ind,i in temp.children.items():
if i:
if i.is_end:
results.append((pattern+chr(ind),i.path))
results = self.prefix_all(i,pattern+chr(ind),results)
return results
def prefix_search(self,pattern):
results = []
temp = self.head
for i in range(len(pattern)):
ind = ord(pattern[i])
if temp.children[ind] == False:
return results
temp=temp.children[ind]
if(temp.is_end):
key = pattern
results.append((key,temp.path))
results = self.prefix_all(temp,pattern,results)
return results
# preprocess trie
def preprocess(self,path):
global paths
global file
try:
if path not in paths:
paths.add(path)
file.write(path+"\n")
for i in os.listdir(path):
k = 0
for j in range(len(path)):
if path[j]=="/":
k = j
if path[k+1:]==i:
continue
self.insert(i,path)
if os.path.isdir(path+"/"+i):
old = path
path+="/"+i
self.preprocess(path)
path = old
except:
pass
# make a list of paths which are in the trie
file = open('mypaths.txt',"w")
# below is a preloader implemented
import os,time
import curses
def prog(stdscr,h,w,kk):
while not kk.values()[0]:
curses.init_pair(100,1,10)
curses.init_pair(200,2,25)
for i in range(10):
stdscr.addstr(0,0," "*w,curses.color_pair(1))
# time.sleep(2)/
stdscr.refresh()
for i in range(0,w-1):
if i==5:
stdscr.addstr(0,i," ",curses.color_pair(200))
elif i==4:
stdscr.addstr(0,i," ",curses.color_pair(200))
elif i==3:
stdscr.addstr(0,i," ",curses.color_pair(200))
elif i==2:
stdscr.addstr(0,i," ",curses.color_pair(200))
elif i==1:
stdscr.addstr(0,i," ",curses.color_pair(200))
elif i==0:
stdscr.addstr(0,i," ",curses.color_pair(200))
elif i<=w-6:
stdscr.addstr(0,i," ",curses.color_pair(200))
elif i==w-5:
stdscr.addstr(0,i," ",curses.color_pair(200))
elif i==w-4:
stdscr.addstr(0,i," ",curses.color_pair(200))
elif i==w-3:
stdscr.addstr(0,i," ",curses.color_pair(200))
elif i==w-2:
stdscr.addstr(0,i," ",curses.color_pair(200))
elif i==w-1:
stdscr.addstr(0,i," ",curses.color_pair(200))
stdscr.refresh()
if kk.values()[0]:
break
time.sleep(0.03)
if i==5:
stdscr.addstr(0,i," ",curses.color_pair(100))
elif i==4:
stdscr.addstr(0,i," ",curses.color_pair(100))
elif i==3:
stdscr.addstr(0,i," ",curses.color_pair(100))
elif i==2:
stdscr.addstr(0,i," ",curses.color_pair(100))
elif i==1:
stdscr.addstr(0,i," ",curses.color_pair(100))
elif i==0:
stdscr.addstr(0,i," ",curses.color_pair(100))
elif i<=w-6:
stdscr.addstr(0,i," ",curses.color_pair(100))
elif i==w-5:
stdscr.addstr(0,i," ",curses.color_pair(100))
elif i==w-4:
stdscr.addstr(0,i," ",curses.color_pair(100))
elif i==w-3:
stdscr.addstr(0,i," ",curses.color_pair(100))
elif i==w-2:
stdscr.addstr(0,i," ",curses.color_pair(100))
elif i==w-1:
stdscr.addstr(0,i," ",curses.color_pair(100))
stdscr.refresh()