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122 lines
4.0 KiB
122 lines
4.0 KiB
#!/usr/bin/env python3
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import readings
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from pprint import pprint
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import re, sys, glob
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from escpos import escpos
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from sys import stdin, stderr, stdout
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from time import sleep
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import nltk
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from nltk.tokenize import RegexpTokenizer
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tokenizer = RegexpTokenizer(r'\w+') # initialize tokenizer
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connected = True
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def check_printer_path():
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printers = glob.glob('/dev/usb/lp*')
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if printers:
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return printers[0]
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else:
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return None
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def char_swap(some_string):
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swaps = [('–','-'), ('“','"'),('”','"'),('ù','u'), ("’","'"), ('à','a'), ('â','a'),('é','e'),('è','e'),('î','i')]
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for swap in swaps:
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some_string = some_string.replace(swap[0], swap[1])
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return some_string
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def insert_linebreaks(string, linelength):
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count = 0
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tmp = ''
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new = ''
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for x, ch in enumerate(string):
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tmp_ch = []
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if ch == ' ':
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count = count + 1
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if count < linelength:
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tmp += ' '
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else:
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new += tmp + '\n'
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tmp = ''
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count = 0
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elif x+1 == len(string):
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new += tmp + ch
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else:
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tmp += ch
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count += 1
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return new
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def printNow(query, results):
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if connected == True:
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printerpath = check_printer_path()
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try:
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print_pointer = open(printerpath, 'w') if printerpath else sys.__stdout__
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print(escpos['reset'], file=print_pointer, flush=True)
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print(escpos['init_printer'], file=print_pointer, flush=True)
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print(escpos['margin_left'], file=print_pointer, flush=True)
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print(escpos['justify_center'], file=print_pointer, flush=True)
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printed = False
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results_count = 0
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for x, document in results.items():
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for n, sentence in enumerate(document['matches']):
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if results_count <= 4:
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results_count += 1
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sentence = str(sentence) # Turn Flask Markup object back to normal python string
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sentence = char_swap(sentence)
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query = char_swap(query)
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sentence = sentence.replace('\n', ' ').replace(' ', ' ')
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pattern = r'[\s\W\_]'+query+r'[\s\W\_\n]|^'+query+'|'+query+'$'
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match = re.search(pattern, sentence, flags=re.IGNORECASE)
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if match:
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match = match.group()
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sentence_splitted = re.compile(match).split(sentence) # find the query in the sentence, and split the sentence up
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for i, part in enumerate(sentence_splitted):
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if n == 0: # first sentence of this document
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if i == 0: # start of a new sentence
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print('', file=print_pointer, flush=True)
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linebreak = ''' **
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** /** **
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//** /** **
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**************
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///**//**//**/
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** /** //**
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// /** //
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// '''
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print(linebreak, file=print_pointer, flush=True) # print line break ascii art
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print('\n', file=print_pointer, flush=True)
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title = insert_linebreaks(document['name'], 13)
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print(escpos['largefont'], title, escpos['normalfont'], file=print_pointer, flush=True) # print the document name
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print('\n', file=print_pointer, flush=True)
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# start of sentence
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part = insert_linebreaks(part, 35)
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print(part, file=print_pointer, flush=True) # print current part of sentence
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if i + 1 != len(sentence_splitted): # if this part is not the last one
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print(escpos['bold'], match, escpos['reset'], file=print_pointer, flush=True) # print query
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# line breaker after each sentence
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if i + 1 == len(sentence_splitted):
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print('\n | \n', file=print_pointer, flush=True)
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sleep(3)
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end_line = insert_linebreaks('These are the first {} results that the algorithm selected.'.format(results_count), 35)
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print("\n***\n{}\n***".format(end_line), file=print_pointer, flush=True)
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print(escpos['paperfeed_1l'], file=print_pointer, flush=True)
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print(escpos['paperfeed_1l'], file=print_pointer, flush=True)
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print(escpos['paperfeed_1l'], file=print_pointer, flush=True)
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sleep(3)
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print(escpos['papercut'], file=print_pointer, flush=True)
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print(escpos['reset'], file=print_pointer, flush=True)
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except:
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e = sys.exc_info()[0]
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print("Could not print: {}".format(e))
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if __name__ == '__main__':
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query = 'noise'
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results, _, _ = readings.request_results(query)
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printNow(query, results)
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