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app.py
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app.py
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import os, re, json
from flask import *
from ocr import ocr
#from entity_seperation import seperate_entities
# INITIALIZATION -----------------------------------------------------------------------------------------------
UPLOAD_FOLDER = 'uploads'
FILE_NAME = ''
ocrtext = ''
#parts = ['topic', 'section', 'olist', 'ulist']
syntax = {
'#': 'title',
'##': 'subtitle',
'-': 'upoint',
')': 'opoint',
'*': 'def',
'=>': 'eq'
}
rsyntax = dict((b,a) for (a,b) in syntax.items())
seps = ''.join([sep for sep in syntax.keys()])
app = Flask(__name__, static_url_path='/static')
app.config['TEMPLATES_AUTO_RELOAD'] = True
app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
# FUNCTIONS -----------------------------------------------------------------------------------------------
@app.route('/upload', methods = ['POST'])
def upload():
global FILE_NAME
if request.method == 'POST':
f = request.files['file']
f.save(os.path.join(UPLOAD_FOLDER, f.filename))
FILE_NAME = f.filename
return redirect(url_for('display'))
def label(text):
global syntax, seps
labelled = []
split = text.split('\n')
new = []
print(split)
temp = -1
temp2 = 0
for i in range(len(split)):
print('i: ' + str(i))
print(new)
line = split[i]
if line and (line[0] in ['*', '-', '-', '=', '#'] or line[1] == ')'):
sent = ' '.join(split[temp:temp2])
new.append(sent)
print(sent)
temp = i
temp2 = i + 1
else:
print(line)
temp2 = i + 1
print(temp, temp2)
joined = '\n'.join(new)
titlesecs = re.split(r'(^|\s)#\s', joined)[2:]
print(titlesecs)
for titlesec in titlesecs:
title = titlesec.split('\n')[0]
subtitlesecs = re.split(r'\s##\s', titlesec)[1:]
print(subtitlesecs)
temp = {
'text': title,
'tag': 'title',
'body': []
}
for subtitlesec in subtitlesecs:
subtitle = subtitlesec.split('\n')[0]
temp2 = {
'text': subtitle,
'tag': 'subtitle',
'body': []
}
items = subtitlesec.split('\n')[1:]
inOList = False
inUList = False
for item in items:
if item != '':
splitted = item.split(' ')
first = splitted[0]
if first.endswith(')'):
first = ')'
try:
tag = syntax[first]
except:
tag = 'other'
# list grouping
if tag == 'opoint':
if inUList == True:
temp2['body'].append(temp3)
inUList = False
if inOList == False:
tagtype = 'olist'
temp3 = {
'tag': tagtype,
'body': [{
'text': item,
'tag': tag
}]
}
inOList = True
else:
temp4 = {
'text': item,
'tag': tag
}
temp3['body'].append(temp4)
elif tag == 'upoint':
if inOList == True:
temp2['body'].append(temp3)
inOList = False
if inUList == False:
tagtype = 'ulist'
temp3 = {
'tag': tagtype,
'body': [{
'text': item,
'tag': tag
}]
}
inUList = True
else:
temp4 = {
'text': item,
'tag': tag
}
temp3['body'].append(temp4)
else:
if inUList == True:
temp2['body'].append(temp3)
inUList = False
elif inOList == True:
temp2['body'].append(temp3)
inOList = False
temp3 = {
'text': ' '.join(splitted[1:]),
'tag': tag
}
inOList = False
inUList = False
temp2['body'].append(temp3)
temp['body'].append(temp2)
labelled.append(temp)
print(labelled)
return labelled
# ROUTES -----------------------------------------------------------------------------------------------
@app.route('/')
def index():
return render_template('/index.html')
@app.route('/display')
def display():
global UPLOAD_FOLDER, FILE_NAME, ocrtext
ocrtext = ocr(FILE_NAME)
f = open('test.txt', 'w+')
f.write(ocrtext)
f.close()
info = label(ocrtext)
with open('test.json', 'w+') as g:
json.dump(info, g)
return render_template('display.html', ocrtext = info)
@app.route('/about')
def about():
return render_template('about.html')
# -----------------------------------------------------------------------------------------------
if __name__ == '__main__':
app.run(debug=True)