def Text(name, theme):
printer = Adafruit_Thermal("/dev/serial0", 19200, timeout=5)
# Test inverse on & off
printer.inverseOn()
# printer.println("Inverse ON")
# Test character double-height on & off
#printer.doubleHeightOn()
printer.println("On vous recommande le livre suivant :")
#printer.doubleHeightOff()
printer.inverseOff()
# Set justification (right, center, left) -- accepts 'L', 'C', 'R'
# printer.justify('R')
# printer.println("Right justified")
printer.justify('C')
printer.println(name)
printer.inverseOn()
# printer.println("Inverse ON")
# Test character double-height on & off
#printer.doubleHeightOn()
printer.println("Le thème de ce livre est :")
#printer.doubleHeightOff()
printer.inverseOff()
printer.justify('C')
printer.println(theme)
# printer.justify('L')
# printer.println("Left justified")
# Test more styles
printer.boldOn()
printer.println("Bold text")
printer.boldOff()
printer.underlineOn()
printer.println("Underlined text")
printer.underlineOff()
printer.setSize('L') # Set type size, accepts 'S', 'M', 'L'
printer.println("Large")
printer.setSize('M')
printer.println("Medium")
printer.setSize('S')
printer.println("Small")
printer.justify('C')
printer.println("normal\nline\nspacing")
printer.setLineHeight(50)
printer.println("Taller\nline\nspacing")
printer.setLineHeight() # Reset to default
printer.justify('L')
# Barcode examples
printer.feed(1)
# CODE39 is the most common alphanumeric barcode
printer.printBarcode("ADAFRUT", printer.CODE39)
printer.setBarcodeHeight(100)
# Print UPC line on product barcodes
printer.printBarcode("123456789123", printer.UPC_A)
printer.sleep() # Tell printer to sleep
printer.wake() # Call wake() before printing again, even if reset
printer.setDefault() # Restore printer to defaults
def print_chat():
printer = Adafruit_Thermal("/dev/serial0", 19200, timeout=5)
printer.feed(3)
printer.setSize('L')
printer.printTHIS("CHATBOTS ON THE RISE")
printer.printTHIS("ELIZA (1964)")
printer.setDefault()
for chat in session['chats']:
speaker, message = chat
if speaker == "eliza":
printer.inverseOn()
printer.printTHIS(message)
printer.inverseOff()
else:
printer.printTHIS("> " + message)
printer.feed(2)
printer.printTHIS(' -- END --')
printer.feed(3)
session.clear()
return redirect('/')
(searchUrl + 'count=3&since_id=%s&q=%s' %
(lastId, urllib.quote(queryString))),
None,
{'Host' : host,
'User-Agent' : agent,
'Accept-Encoding' : 'gzip',
'Authorization' : 'Bearer ' + token})
# Display results. ---------------------------------------------------------
maxId = data['search_metadata']['max_id_str']
for tweet in data['statuses']:
printer.inverseOn()
printer.print(' ' + '{:<31}'.format(tweet['user']['screen_name']))
printer.inverseOff()
printer.underlineOn()
printer.print('{:<32}'.format(tweet['created_at']))
printer.underlineOff()
# max_id_str is not always present, so check tweet IDs as fallback
id = tweet['id_str']
if(id > maxId): maxId = id # String compare is OK for this
# Remove HTML escape sequences
# and remap Unicode values to nearest ASCII equivalents
printer.print(unidecode(
HTMLParser.HTMLParser().unescape(tweet['text'])))
#!/usr/bin/python
from Adafruit_Thermal import *
printer = Adafruit_Thermal("/dev/ttyUSB0", 19200, timeout=5)
# Test inverse on & off
printer.inverseOn()
printer.println("Inverse ON")
printer.inverseOff()
# Test character double-height on & off
printer.doubleHeightOn()
printer.println("Double Height ON")
printer.doubleHeightOff()
# Set justification (right, center, left) -- accepts 'L', 'C', 'R'
printer.justify('R')
printer.println("Right justified")
printer.justify('C')
printer.println("Center justified")
printer.justify('L')
printer.println("Left justified")
# Test more styles
printer.boldOn()
printer.println("Bold text")
printer.boldOff()
printer.underlineOn()
printer.println("Underlined text")
class Printer(object):
"""This class represents the printer"""
def __init__(self, device, baud_rate, timeout):
"""Printer initialization
:param device: Device path
:type device: str
:param baud: Baud rate
:type baud: int
:param timeout: Timeout in seconds
:type timeout: int
"""
self.print_size = 384, 384 # max_width=384
self.device = Adafruit_Thermal(device, baud_rate, timeout=timeout)
def _calibrate(self):
for i in range(0, 256, 15):
self.device.begin(i)
self.device.println(i) # Print heat time
self.device.inverseOn()
self.device.print("{:^32}".format("")) # Print 32 spaces (inverted)
self.device.inverseOff()
self.device.begin() # Reset heat time to default
self.device.feed(4)
def print_image(self, image_file_path, event):
"""Print Image
:param image_file_path: Image file path
:type image_file_path: str
"""
# print logo
self.device.printImage(Image.open(event["logo"]), True)
self.device.justify("C")
self.device.doubleHeightOn()
self.device.println(event["title"])
self.device.doubleHeightOff()
self.device.println(datetime.now().strftime("%d-%m-%Y %H:%M:%S")) # time
self.device.feed(1)
# print picture
image_code = os.path.splitext(os.path.basename(image_file_path))[0]
image_for_print_path = "{}.print".format(image_file_path)
image_for_print = Image.open(image_file_path) # create proxy image for print
image_for_print = image_for_print.transpose(Image.ROTATE_180) # rotate image
w, h = image_for_print.size
image_for_print.crop((int((w - h) / 2), 0, int((w - h) / 2), 0))
image_for_print.thumbnail(self.print_size, Image.ANTIALIAS) # resize
image_for_print.save(image_for_print_path, "JPEG") # save
self.device.printImage(Image.open(image_for_print_path), True)
self.device.feed(1)
# print text
self.device.println(event["place"])
self.device.feed(1)
# line
self.device.println("------------------------------")
self.device.feed(1)
self.device.boldOn()
self.device.println("partagez votre")
self.device.println("photo avec le code")
self.device.boldOff()
self.device.doubleHeightOn()
self.device.doubleWidthOn()
self.device.println(image_code)
self.device.doubleWidthOff()
self.device.doubleHeightOff()
self.device.boldOn()
self.device.println("sur")
self.device.boldOff()
self.device.println("shootomatic.net")
self.device.feed(1)
# line
self.device.println("------------------------------")
# space to detach
self.device.feed(3)
# delete proxy image used for print
os.remove(image_for_print_path)
