making the printer print only 5 results/time

printer.py

@@ -40,16 +40,28 @@ def insert_linebreaks(string, linelength):
 			count = 0
 	return new
 
-def printNow(query, results):
+def printNow(query, results, results_count):
 	if connected == True:
 		print(escpos['reset'], file=stdout, flush=True)
 		print(escpos['init_printer'], file=stdout, flush=True)
-		print(escpos['select_international_character_set'], file=stdout, flush=True)
+		# print(escpos['select_international_character_set'], file=stdout, flush=True)
 		print(escpos['margin_left'], file=stdout, flush=True)
 		print(escpos['justify_center'], file=stdout, flush=True)
 
+		printed = False
+
+		if results_count == None:
+			results_count = 0
+		results_count_max = results_count + 5
+		current_count = 0
 		for x, document in results.items():
 			for n, sentence in enumerate(document['matches']):
+				print('current_count', current_count)
+				if current_count == results_count:
+					printed = True
+					if results_count < results_count_max:
+						print('results_count', results_count)
+						results_count += 1
 						sentence = str(sentence) # Turn Flask Markup object back to normal python string
 						sentence = sentence.replace('\n', ' ').replace(' ', ' ')
 						pattern = r'[\s\W\_]'+query+r'[\s\W\_\n]|^'+query+'|'+query+'$'
@@ -88,6 +100,7 @@ def printNow(query, results):
 							if i + 1 == len(sentence_splitted):
 								print('\n | \n', file=stdout, flush=True)
 								sleep(3)
+				current_count += 1
 
 		print(escpos['paperfeed_1l'], file=stdout, flush=True)
 		print(escpos['paperfeed_1l'], file=stdout, flush=True)
@@ -96,8 +109,15 @@ def printNow(query, results):
 		print(escpos['papercut'], file=stdout, flush=True)
 		print(escpos['reset'], file=stdout, flush=True)
 
+		# reset when all results are printed
+		if printed == False:
+			results_count = 0
+			# printNow(query, results, results_count)
+
+		return results_count
+
 
 # query = 'noise'
 # results, _, _ = readings.request_results(query)
 # pprint(results)
-# printNow(query, results)
+# printNow(query, results, 0)

start.py

@@ -47,6 +47,13 @@ def index_lang(lang):
 	else:
 		connection = 'disconnected'
 
+	# Check if print command
+	if request.args.get('results_count', ''):
+		results_count = int(request.args.get('results_count', ''))
+		print('results_count', results_count)
+	else:
+		results_count = 0
+
 	if request.args.get('q', ''):
 		results, filenames, analytics = readings.request_results(query)
 
@@ -54,9 +61,11 @@ def index_lang(lang):
 		if request.args.get('print', '') == 'now':
 			if connection == 'connected':
 				print('*print!*', file=stdout)
-				printer.printNow(query, results)
+				print('results_count (before)', results_count)
+				results_count = printer.printNow(query, results, results_count)
+				print('results_count (after)', results_count)
 
-		return flask.render_template(lang+'/results.html', query=query, results=results, filenames=filenames, connection=connection, suggestions=suggestions, analytics=analytics, lang=lang)	
+		return flask.render_template(lang+'/results.html', query=query, results=results, filenames=filenames, connection=connection, suggestions=suggestions, analytics=analytics, lang=lang, results_count=results_count)
 	
 	else:
 		index = readings.load_index()