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locate_me.py
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locate_me.py
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from PyPDF2 import PdfFileWriter, PdfFileReader, PdfFileMerger
import StringIO
from reportlab.pdfgen import canvas
from reportlab.lib.pagesizes import letter
import subprocess
import os
import re
import json
import string
import math
import sys
filename = sys.argv[1]
#filename = "9610131"
#"0302007"
#"0303124"
#"0304011"
#"9602063"
#"1605.02019"
#"9610131"
#To be expanded
XML_LATEX_SIZE_REDUCTION = [
["\\end{array}\\right)", ")"],
["(\\begin{array}[]", ""],
["\\{", "("],
["\\}", ")"],
["\\;", ""],
["\\,", ""],
["}~", ""],
["{",""],
["}", ""],
["^",""],
["_",""],
["\\mathbb", ""],
["\\mathcal", ""],
["\\displaystyle=",""],
["\\displaystyle",""],
["\\overleftarrow", "."],
["\\longleftarrow", "."],
["\\overrightarrow", "."],
["\\longrightarrow", "."],
["\\longdownarrow", "d"],
["\\rightarrow", "r"],
["\\leftarrow", "l"],
["\\downarrow", "d"],
["\\varepsilon", "e"],
["\\textstyle", ""],
["\\phantom", ""],
["\\widetilde", "."],
["\\stackrel", ""],
["\\pmatrix", ""],
["\\overset", ""],
["\\buildrel", "-"],
["\\mathop", ""],
["\\over", ""],
["\\Omega", "."],
["\\omega", "."],
["\\cdot", "."],
["\\Sigma", "s"],
["\\sigma", "s"],
["\\Lambda", "l"],
["\\lambda", "l"],
["\\alpha", "a"],
["\\beta", "b"],
["\\qquad", ""],
["\\Beta", "b"],
["\\delta", "d"],
["\\Delta", "d"],
["\\prime", "p"],
["\\quad", ""],
["\\otimes", "."],
["\\times", "."],
["\\Gamma", "g"],
["\\sum\\limits", "s"],
["\\gamma", "g"],
["\\theta", "."],
["\\epsilon", "e"],
["\\infty", "i"],
["\\sqrt", "s"],
["~\\phi", "p"],
["~\\Phi", "p"],
["\\phi", "p"],
["\\Phi", "p"],
["\\sim", "s"],
["\\Sim", "s"],
["\\int", "i"],
["\\left[", "["],
["\\right]", "]"],
["\\left\\{", "{"],
["\\right\\}", "{"],
["\\left(", "("],
["\\right)", ")"],
["\\right.", ""],
["\\left.", ""],
["\\left", "("],
["\\equiv", "v"],
["\\prod", "."],
["\\nabla", "a"],
["\\right", ")"],
["\\partial", "p"],
["\\frac", ""],
["\\ldots", "..."],
["\\psi", "p"],
["~\\bar", "b"],
["\\bar", "b"],
["\\ast", "."],
["\\dot", "."],
["\\leq","l"],
["\\cal", ""],
["\\geq","g"],
["\\in","e"],
["\\mu", "m"],
["\\nu", "n"],
["\\rho", "n"],
["\\sum", "s"],
["~\\chi", "c"],
["\\chi", "c",],
["\\rm", ""],
["\\ne", "n="],
["\\bf", ""],
["\\to", "."],
["\\hbox", ""],
["\\Hbox", ""],
["\\mbox", ""],
["\\Mbox", ""],
["\\Box", "b"],
["\\not", "n"],
["\\pm", "."],
["\\eta~", "n"],
["\\eta", "n"],
["\\cr", ""],
["~e", "e"],
["~>", "&"],
["~<", "&"],
["~>","g"],
["~<","l"],
[">", "g"],
[">","g"],
["<", "l"],
["<","l"],
[""", "."],
["less;", "l"],
["greater;", "g"],
["\\pi", "."],
["\\vec","v"],
["/","."],
["% ", ""],
["&", ""],
[" ", ""],
["\\!", ""],
["~\\", ""],
["\\",""],
[" ",""],
]
SPECIAL_CHAR_LIST = {
"\xe2\x80\x9d" : ".",
}
ME_EQUALIZER = [
["\\end{array}\\right)", ")"],
["(\\begin{array}[]", ""],
["\\{", "("],
["\\}", ")"],
["\\;", ""],
["\\,", ""],
["}~", ""],
["{", ""],
["}", ""],
["^", ""],
["_", ""],
["integraldisplay", "i"],
["summationdisplay", "s"],
["summationtext", "s"],
["periodcentered", "d"],
["displaystyle=", ""],
["bracketleftbigg", "["],
["productdisplay", "."],
["bracketrightbigg", "]"],
["braceleftbigg", "("],
["bracerightbigg", ")"],
["braceleftBigg", "("],
["bracerightBigg", ")"],
["braceleftBig", "("],
["bracerightBig", ")"],
["parenleftBigg", "("],
["parenlefttp", "("],
["parenrighttp", ")"],
["bracelefttp", "("],
["bracerighttp", ")"],
["circlemultiply", "."],
["wildcard", "*"],
["parenrightBigg", ")"],
["parenleftBig", "("],
["parenrightBig", ")"],
["\\varepsilon", "e"],
["asciitilde", "v"],
["\\sum\\limits", "s"],
["parenleftbigg", "("],
["parenrightbigg", ")"],
["negationslash", "n"],
["\\longleftarrow", "."],
["\\longrightarrow", "."],
["\\overleftarrow", "."],
["\\overrightarrow", "."],
["\\longdownarrow", "d"],
["\\downarrow", "d"],
["\\rightarrow", "."],
["\\leftarrow", "."],
["\\widetilde", "."],
["\\phantom", ""],
["partialdiff", "p"],
["braceleft", "("],
["braceright", ")"],
["arrowright", "."],
["downarrow", "d"],
["tildewidest", "."],
["plusminus", "."],
["equivalence", "v"],
["arrowleft", "."],
["similar", "s"],
["delta", "d"],
["Delta", "d"],
["theta", "."],
["question", "?"],
["infinity", "i"],
["epsilon1", "e"],
["epsilon", "e"],
["\\textstyle", ""],
["\\stackrel", ""],
["\\otimes", "."],
["\\pmatrix", ""],
["\\matrix", ""],
["\\overset", ""],
["\\buildrel", "-"],
["\\over", ""],
["\\qquad", ""],
["\\quad", ""],
["\\infty", "i"],
["\\mathop", ""],
["\\prod", "."],
["\\right.", ""],
["\\left.", ""],
["\\left(", "("],
["\\right)", ")"],
["\\left[", "["],
["\\right]", "]"],
["\\right", ")"],
["\\times", "."],
["nabla", "a"],
["\\nabla", "a"],
["\\sim", "s"],
["\\Sim", "s"],
["\\ne", "n="],
["\\epsilon", "e"],
["\\equiv", "v"],
["Omega", "."],
["omega", "."],
["endash", "-"],
["semicolon", ";"],
["greaterequal", "g"],
["displaystyle", ""],
["lessequal", "l"],
["mathcal", ""],
["multiply", "."],
["mathbb", ""],
["element", "e"],
["greater", "g"], #DJ &
["less", "l"], #DJ &
["vector", "v"],
["\\dot", "."],
["/","."],
["beta", "b"],
["Sigma", "s"],
["sigma", "s"],
["Lambda", "l"],
["lambda", "l"],
["alpha", "a"],
["prime", "p"],
["Gamma", "g"],
["gamma", "g"],
["sqrt", "s"],
["radical", "s"],
["cdot", "."],
["dotaccent", "."],
["leq","l"],
["geq","g"],
["vec","v"],
["macron", "b"],
["int", "i"],
["rho", "n"],
["\\left", "("],
["\\partial", "p"],
["\\in","e"],
["\\frac", ""],
["\\ldots", "..."],
["\\bf", ""],
["\\to", "."],
["\\hbox", ""],
["\\Hbox", ""],
["\\mbox", ""],
["\\Mbox", ""],
["\\Box", "b"],
["~\\chi", "c"],
["\\chi", "c",],
["\\cal", ""],
["\\sum", "s"],
["\\not", "n"],
["~\\bar", "b"],
["\\bar", "b"],
["\\ast", "."],
["\\pm", "."],
["\\eta~", "n"],
["\\cr", ""],
["\\rm", ""],
["pi", "."],
["a50", "b"],
["psi", "p"],
["mu", "m"],
["rm", ""],
["chi", "c"],
["bar", "|"],
["phi", "p"],
["Phi", "p"],
["Box", "b"],
["eta", "n"],
["~>", "g"], #DJ &
["~<", "l"], #DJ &
["~>","g"],
[""", "."],
["~<","l"],
[">", "g"], #DJ &
["<", "l"], #DJ &
[">","g"],
["<","l"],
["~e", "e"],
[" ", ""],
["% ", ""],
["&", ""],
[" ", ""],
["\\!", ""],
["~\\", ""],
["\\", ""],
]
class ME():
char_bbox_list = {} #bbox for ME chars
char_big_bbox_list = {}
pdf_string = {} #PDF string of data -- like xml but with ME
pdf_string_reduced = {}
pdf_char_count = {}
pdf_char_list = {} #PDF string in array form
pdf_spec_list = {}
pdf_xspace_stats = []
pdf_yspace_stats = []
pdf_euclidean_2d_stats = []
avg_chars_perline = 0
me_refnum_set = {}
me_fragmented_box_set = {}
me_fragmented_map = {}
me_index_list = {}
me_list = []
is_IME_set = {}
is_fragment_set = {}
me_size_list = {}
me_reduced_list = {}
xml_text = ""
xml_page_text = {}
page_with_me = {}
find_count = 0
ME_PDF_EXACT = {}
ME_SPECS = {}
me_fail_list = {}
page_fail_list = {}
post_page = {}
prev_page = {}
possible_refnum_jump = {}
pages = 0
max_pages = 0
original_pages = 0
page_height = 0
me_bbox_list = {} #bbox for whole ME
me_is_IME = {}
me_char_bbox_list = {} #List of char bbox
#Page datasets
dataset_pages = []
#Error occured in split pages, stop at max-1 for locate_me
max_page = -1
def cross_area(rect1, rect2):
dx = min(float(rect1[2]), float(rect2[2])) - max(float(rect1[0]), float(rect2[0]))
dy = min(float(rect1[3]), float(rect2[3])) - max(float(rect1[1]), float(rect2[1]))
if( dx >= 0 and dy >= 0):
return dx*dy
else:
return 0
def get_area(rect):
dx = rect[0] - rect[2]
dy = rect[1] - rect[3]
return dx*dy
def point_distance(p1, p2):
d = math.sqrt(pow(p2[0]-p1[0],2)+pow(p2[1]-p1[1],2))
return d
def load_pdf_metadata():
metadata = filename + "_data/pdfbox_output/pdf_metadata.txt"
#print metadata
with open(metadata) as fn:
i = 0
for line in fn:
if(i==0):
tmp = line.split(",")
ME.pages = int(tmp[0])
ME.max_pages = int(tmp[0])
ME.original_pages = int(tmp[0])
ME.page_height = float(tmp[1])
else:
data = line.split(",")
ME.possible_refnum_jump[int(data[0])] = data[1:len(data)]
i = i + 1
statdata = filename + "_data/pdfbox_output/pdf_stats.txt"
with open(statdata) as fn:
i = 0
for line in fn:
tmp = line.split(",")
if(i == 0):
ME.pdf_xspace_stats = [float(tmp[0]), float(tmp[1]), float(tmp[2])]
elif(i == 1):
ME.pdf_yspace_stats = [float(tmp[0]), float(tmp[1]), float(tmp[2])]
elif(i == 2):
ME.pdf_euclidean_2d_stats = [float(tmp[0]), float(tmp[1]), float(tmp[2])]
elif(i==3):
ME.avg_chars_perline = math.ceil(float(tmp[0]))
else:
break
i = i + 1
#print ME.pdf_xspace_stats[float(tmp[0])]
#print("mp", ME.pages)
def get_mined_pdf_data():
directory = filename + "_data/pdfbox_output/"
i = 0
while(i < ME.pages):
file = directory + filename + "_page_" + str(i) + "_mined.txt"
char_bbox_list = []
char_big_bbox_list = []
pdf_string = ""
pdf_string_reduced = ""
pdf_char_list = []
pdf_spec_list = []
with open(file) as fn:
for line in fn:
#print line
data = line.split(",")
if(data[0] == ""):
data[0] = ","
bbox = [data[2], data[3], data[4], data[5]]
pdf_spec_list.append([data[6], data[7], data[8]])
char_big_bbox_list.append([data[10], data[11], data[12], data[13]])
if(float(data[2]) < 33):
#Water mark
continue
else:
bbox = [data[1], data[2], data[3], data[4]]
pdf_spec_list.append([data[5], data[6], data[7]])
#print("WHAT", data)
char_big_bbox_list.append([data[8], data[9], data[10], data[11]])
if(float(data[1]) < 33):
#Water mark
continue
pdf_char_list.append(data[0])
char_bbox_list.append(bbox)
tmp_data = data[0]
for rule in ME_EQUALIZER:
if(tmp_data == rule[0]):
tmp_data = tmp_data.replace(rule[0], rule[1])
break
pdf_string_reduced = pdf_string_reduced + tmp_data
pdf_string = pdf_string + data[0]
ME.char_bbox_list[i] = char_bbox_list
ME.pdf_string[i] = pdf_string
ME.pdf_string_reduced[i] = pdf_string_reduced
ME.pdf_char_list[i] = pdf_char_list
ME.pdf_char_count[i] = len(ME.pdf_char_list[i])
ME.pdf_spec_list[i] = pdf_spec_list
ME.char_big_bbox_list[i] = char_big_bbox_list
i = i + 1
def get_mined_xml_data():
with open(filename + "_data/" + filename + "_melist.txt") as fn:
i = 0
for line in fn:
line = line.rstrip()
line = line.replace("\n", "")
ME.me_list.append(line)
i = i + 1
with open(filename + "_data/" + filename + "_xmlmined.txt") as fn:
for line in fn:
ME.xml_text = ME.xml_text + line
#me_refnum_set
with open(filename + "_data/" + filename + "_merefnumlist.txt") as fn:
for line in fn:
line = line.split(",")
ME.me_refnum_set[line[1].rstrip()] = line[0]
#print("AIDS", ME.me_refnum_set)
def refactor_xml_me_text():
tmp = ME.xml_text.split("[ME#]")
i = 0
xml_data = ""
for line in tmp:
if(i == len(tmp)-1):
xml_data = xml_data + line
break
me_copy = ""
j = 0
'''me_reduced = ME.me_list[i]
print("ME", ME.me_list[i])
for rule in XML_LATEX_SIZE_REDUCTION:
if(rule[0] == "(\\begin{array}[]"):
#Search for cc {}
if("(\\begin{array}[]" in me_reduced):
p = re.compile("\{(c+)\}")
for i in p.findall(me_reduced):
me_reduced = me_reduced.replace("{" + i + "}", "")
me_reduced = me_reduced.replace(rule[0], rule[1])
print me_reduced'''
while(j < ME.me_size_list[ME.me_list[i]]):
me_copy = me_copy + "."
j = j + 1
#print("line", line)
#print("\n")
xml_data = xml_data + line + me_copy
i = i + 1
return xml_data
def splt_xml_data():
prev_size = 0
me_index = 0
tmp_xml_data = refactor_xml_me_text()
#print tmp_xml_data
#print("\n\n\n\n\n")
#print(tmp_xml_data[0:ME.pdf_char_count[0]])
#print("\n\n\n\n\n")
#print(tmp_xml_data[ME.pdf_char_count[0]:ME.pdf_char_count[0]+ME.pdf_char_count[1]])
'''for page in ME.pdf_char_count:
page_size = ME.pdf_char_count[page]
print(tmp_xml_data[prev_size:prev_size+page_size])
print("\n\n\n\n")
prev_size = prev_size + page_size'''
def split_xml_into_pages_1():
try:
page_tlu_list = []
stop = -1
for page in ME.pdf_string:
#Start with string size of 12
#print ME.pdf_string[page]
#print(" \n\n -------------------------------------", page)
tmp = ME.pdf_string[page][0:6]
if("(" in tmp):
i = 0
while(")" not in tmp):
tmp = ME.pdf_string[page][0:6+i]
i = i + 1
if(i > 400):
break
possible_locs = [m.start() for m in re.finditer(tmp, ME.xml_text)]
i = 0
while(len(possible_locs) > 1):
tmp = ME.pdf_string[page][0:6+i]
possible_locs = [m.start() for m in re.finditer(tmp, ME.xml_text)]
i = i + 1
if(i > 400):
break
if(len(possible_locs) == 1):
page_tlu_list.append(tmp)
else:
page_tlu_list.append("[Ref]")
ME.xml_page_text[page] = "[Ref]"
stop = page
if(stop == -1):
stop = len(ME.pdf_string)
i = 0
while(i != stop):
xml_page_text = ME.xml_text.split(page_tlu_list[i])
#print(page_tlu_list[i])
#print("\n\n\n\n\n\n\n\n\n\n\n\n-----------------------------------------------------------")
xml_page_text = xml_page_text[1].split(page_tlu_list[i+1])
ME.xml_page_text[i] = page_tlu_list[i] + xml_page_text[0]
i = i + 1
if( i > 90000):
break
except:
print("ERROR TRYING TO PARSE PAGES, TRYING METHOD 2")
result = split_xml_into_pages_2()
if(result == 1):
#Retry
return 0
return 1
def split_xml_into_pages_2():
page_tlu_list = []
stop = -1
for page in ME.pdf_string:
try:
#Start with string size of 12
#print ME.pdf_string[page]
#print(" \n start -------------------------------------", page)
start_pos = 0
tmp = ME.pdf_string[page][start_pos:6]
#print("tmp", tmp.lower(), page)
if("(" in tmp):
i = 0
while(")" not in tmp):
tmp = ME.pdf_string[page][start_pos:6+i]
i = i + 1
if(i > 300):
break
possible_locs = [m.start() for m in re.finditer(tmp.lower(), ME.xml_text.lower())]
i = 0
error_flag = 0
if(len(possible_locs) == 0):
tmp = tmp.replace("(", "\\(")
tmp = tmp.replace(")", "\\)")
possible_locs = [m.start() for m in re.finditer(tmp.lower(), ME.xml_text.lower())]
#print possible_locs
if(len(possible_locs) == 0):
#Might be text on pdf that is not in xml or it is an ME
#Move in-till something that matches comes up
error_flag = 1
if(page == 0):
tmp = ME.xml_text[0:6]
possible_locs = [m.start() for m in re.finditer(tmp.lower(), ME.xml_text.lower())]
ME.pdf_string[page] = ME.pdf_string[page].split(tmp)
k = 1
new_pdf = tmp
while(k < len(ME.pdf_string[page])):
new_pdf = new_pdf + ME.pdf_string[page][k]
k = k + 1
ME.pdf_string[page] = new_pdf
elif(page != len(ME.pdf_string)-1):
#Try to recover page location, stop after 12 trys
k = 1
tmp_tmp = tmp
tmp_tmp = tmp_tmp.replace("(", "\\(")
tmp_tmp = tmp_tmp.replace(")", "\\)")
#print("???", tmp_tmp)
#print("HERE", tmp.lower(), [m.start() for m in re.finditer(tmp_tmp, ME.xml_text.lower())])
while(len(possible_locs) == 0 and k < 30):
tmp = ME.pdf_string[page][k:6+i]
#print tmp
#print("OI", tmp)
if("(" in tmp):
while(")" not in tmp):
tmp = ME.pdf_string[page][k:6+i]
k = k + 1
i = i + 1
if(i > 300):
break
possible_locs = [m.start() for m in re.finditer(tmp.lower(), ME.xml_text.lower())]
#print possible_locs
#print("OI2", possible_locs)
start_pos = k
k = k + 1
i = i + 1
while(len(possible_locs) > 1):
tmp = ME.pdf_string[page][start_pos:6+i]
possible_locs = [m.start() for m in re.finditer(tmp.lower(), ME.xml_text.lower())]
i = i + 1
if(i > 300):
break
#print tmp
#print("ME.xml", ME.xml_text.lower())
if(len(possible_locs) == 1):
print("one match", page, tmp)
page_tlu_list.append(tmp)
else:
print("WTF", tmp)
if(page == len(ME.pdf_string)-1):
page_tlu_list.append("[Ref]")
ME.xml_page_text[page] = "[Ref]"
stop = page
else:
#needs a better fix in future...
#print("HERE_SPLIT", page)
new_tmp = ""
if(ME.pdf_string[page-1][-1] == str(page-1)):
#Page num that is not in xml possibly
#print("text", ME.pdf_string[page-1][-7:-1])
new_tmp = ME.pdf_string[page-1][-7:-1]
j = 1
if("(" in new_tmp):
while(")" not in new_tmp):
new_tmp = ME.pdf_string[page-1][-7-j:-1]
j = j + 1
if(j > 300):
break
elif(")" in new_tmp):
while("(" not in new_tmp):
new_tmp = ME.pdf_string[page-1][-7-j:-1]
j = j + 1
if(j > 300):
break
else:
#print("text", ME.pdf_string[page-1][-7:])
new_tmp = ME.pdf_string[page-1][-7:]
j = 1
if("(" in new_tmp):
while(")" not in new_tmp):
new_tmp = ME.pdf_string[page-1][-7-j:]
j = j + 1
if(j > 300):
break
elif(")" in new_tmp):
while("(" not in new_tmp):
new_tmp = ME.pdf_string[page-1][-7-j:]
j = j + 1
if(j > 300):
break
new_tmp = new_tmp.replace(")", "\\)")
new_tmp = new_tmp.replace("(", "\\(")
page_tlu_list.append(new_tmp + "\[ME\#\]")
except:
print("LATEX XML IS NOT THE SAME AS PDF, UPLOAD CORRECT VERSION")
ME.max_page = page-3
return 1
break
if(stop == -1):
stop = len(ME.pdf_string)
i = 0
#print("WHAT", page_tlu_list)
reduced_xml_text = ME.xml_text
try:
while(i < len(ME.pdf_string)):
#print("wtf", i, page_tlu_list[i])
if(i == len(ME.pdf_string)-1):
xml_page_text = re.split(page_tlu_list[i], reduced_xml_text, flags=re.IGNORECASE)
xml_page_text = page_tlu_list[i] + xml_page_text[1]
else:
#print("wtf", i, page_tlu_list[i])
#flags=re.IGNORECASE
#xml_page_text = ME.xml_text.split(page_tlu_list[i])
xml_page_text = re.split(page_tlu_list[i], reduced_xml_text, flags=re.IGNORECASE)
#xml_page_text = xml_page_text[1].split(page_tlu_list[i+1]
#print(page_tlu_list)
#print(xml_page_text)
xml_page_text = re.split(page_tlu_list[i+1], xml_page_text[1], flags=re.IGNORECASE)
start_text = page_tlu_list[i].replace("\[ME\#\]", "[ME#]")
start_text = start_text.replace("\\(", "(")
start_text = start_text.replace("\\)", ")")
ME.xml_page_text[i] = start_text + xml_page_text[0]
#reduced_xml_text = ME.xml_text.split(ME.xml_page_text[i])
#print("OI", ME.xml_page_text[i])
#print(page_tlu_list[i], i)
#print("asdf", ME.xml_page_text[i])
#print("\n\n\n\n\n\n\n\n\n\n\n\n-----------------------------------------------------------")
i = i + 1
except:
#print("XML AND PDF DATA IS TO DISIMILAR, STARTING OVER FROM THE LAST SUCCESSFULL PAGES")
ME.pages = i-1
return 0
return 1
def locate_page_me_sets():
i = 0
prev_count = 0
for page in ME.xml_page_text:
text = ME.xml_page_text[page]
total_me_count = [m.start() for m in re.finditer("\[ME#\]", text)]
if(len(total_me_count) > 0):
me_list = []
while(i < (len(total_me_count)+prev_count)):
if(i > len(ME.me_list)-1):
break
me_list.append(ME.me_list[i])
i = i + 1
prev_count = i
ME.page_with_me[page] = me_list
def get_prev_post_me_text():
i = 0
for page in ME.page_with_me:
#Split all [me#] in text
split_me_text = ME.xml_page_text[page].split("[ME#]")
#print page
j = 0
tmp_prev_text = []
tmp_post_text = []
while(j < (len(split_me_text)-1)):
tmp_prev_text.append(split_me_text[j])
tmp_post_text.append(split_me_text[j+1])
i = i + 1
j = j + 1
ME.prev_page[page] = tmp_prev_text
ME.post_page[page] = tmp_post_text
for page in ME.page_with_me:
me_set = ME.page_with_me[page]
prev_index = 0
for me in me_set:
prev_text = ME.prev_page[page][prev_index]
#search for smallest prev text in xml--might need to be changed to pdf string---
i = 1
match_flag = 0
smallest_unique_substring = prev_text[-i:]
#Check all other prev text in ME for matching substring
while(match_flag == 0 and len(smallest_unique_substring) < len(prev_text)):
match_count = 0
k = 0
for tmp_me in me_set:
if(k == prev_index):
#Skip current me
k = k + 1
continue
if(smallest_unique_substring == ME.prev_page[page][k][-i:]):
match_count = match_count + 1
break
k = k + 1
if(match_count == 0):
#print("match found")
match_flag = 1
#print ("sus", smallest_unique_substring)
if(len(smallest_unique_substring) < len(prev_text)-2):
smallest_unique_substring = prev_text[-(i+2):]
ME.prev_page[page][prev_index] = smallest_unique_substring
else:
i = i + 1
smallest_unique_substring = prev_text[-i:]
prev_index = prev_index + 1
for page in ME.page_with_me:
me_set = ME.page_with_me[page]
post_index = 0
for me in me_set:
post_text = ME.post_page[page][post_index]
#search for smallest post text in xml--might need to be changed to pdf string---
i = 1
match_flag = 0
smallest_unique_substring = post_text[0:i]
#Check all other post text in ME for matching substring
while(match_flag == 0 and len(smallest_unique_substring) < len(post_text)):
match_count = 0
k = 0
for tmp_me in me_set:
if(k == post_index):
#Skip current me
k = k + 1
continue
if(smallest_unique_substring == ME.post_page[page][k][0:i]):
match_count = match_count + 1
break
k = k + 1
if(match_count == 0):
match_flag = 1
if(len(smallest_unique_substring) < len(post_text)-1):
smallest_unique_substring = post_text[0:i+2]
ME.post_page[page][post_index] = smallest_unique_substring
else:
i = i + 1
smallest_unique_substring = post_text[0:i]
post_index = post_index + 1
def calc_me_xml_size():
for me in ME.me_list:
me_reduced = me
for rule in XML_LATEX_SIZE_REDUCTION:
if(rule[0] == "(\\begin{array}[]"):
#Search for cc {}
if("(\\begin{array}[]" in me_reduced):
p = re.compile("\{(c+)\}")
for i in p.findall(me_reduced):
me_reduced = me_reduced.replace("{" + i + "}", "")
me_reduced = me_reduced.replace(rule[0], rule[1])
ME.me_size_list[me] = len(me_reduced)
ME.me_reduced_list[me] = me_reduced
def unorder_check(me):
if(re.search("(_\{.*?\}\^\{.*?\})", me)):
return 1
else:
return 0
def buildrel_check(me):
if(re.search("buildrel", me)):
return 1
else:
return 0
def me_substring_matching(xml_me, pdf_me, offset_count, mr_extra):
pdf_me_string = ""
miss_ratio = 0 #0 for exact matching
invalid_chars = set(string.punctuation)
for char in pdf_me:
if(char in SPECIAL_CHAR_LIST):
char = "*"
pdf_me_string = pdf_me_string + char
pdf_me = pdf_me_string
if(unorder_check(xml_me) == 1):
p = re.compile("(_\{.*?\}\^\{.*?\})")
xml_me = xml_me.replace("% ", "")
xml_me = xml_me.replace("&", "")
xml_me = xml_me.replace(" ", "")
print xml_me
for i in p.findall(xml_me):
print "WTF := " + str(i)
matched_case = i[i.rindex('_'):]
matched_case = matched_case.split("^")
#print matched_case
if(len(matched_case)<2):
miss_ratio = miss_ratio + len(i)
else:
case0 = matched_case[0]
case1 = matched_case[1]
case0 = case0.replace("_{", "")
case0 = case0.replace("}", "")
case1 = case1.replace("{", "")
case1 = case1.replace("}", "")
case0 = case0.replace("{", "")
case1 = case1.replace("{", "")
case0 = case0.replace("}", "")
case1 = case1.replace("}", "")
print("miss ratio i " + str(case0) + " " + str(case1))
miss_ratio = miss_ratio + len(case0) + len(case1)
#print("miss ratio", miss_ratio)
#print("case ", i[i.rindex('_'):])
if(buildrel_check(xml_me) == 1):
print "BUILDREL CHECK"
p = re.compile("buildrel")
xml_me = xml_me.replace("% ", "")
xml_me = xml_me.replace("&", "")
xml_me = xml_me.replace(" ", "")
for i in p.findall(xml_me):
miss_ratio = miss_ratio + 1
for rule in ME_EQUALIZER:
#Check to see if xml has _^ in latex, the order is reversed in PDFBOX
if(rule[0] == "(\\begin{array}[]"):
if("(\\begin{array}[]" in xml_me):
p = re.compile("\{(c+)\}")
for i in p.findall(xml_me):
xml_me = xml_me.replace("{" + i + "}", "")
xml_me = xml_me.replace(rule[0], rule[1])
pdf_me = pdf_me.replace(rule[0], rule[1])
#Match ME's
i = 0
#if(len(xml_me) > 6):
# miss_ratio = miss_ratio + 2
print("xml_me", xml_me, len(xml_me))
print("pdf_me", pdf_me, len(pdf_me))
if(mr_extra):
miss_ratio = miss_ratio + len(xml_me)
matched_count = 0
if(len(xml_me)+offset_count != len(pdf_me)):
return 0
for char in xml_me: