README.md

@@ -20,7 +20,7 @@ To make this project work, you will need :
 - Some knowledge of the command line,
 - Some knowledge of Python.
 - 3h of your time, 5h if things need debugging.
-- `fswebcam`, `libjpeg-dev` ,`zlib1g-dev`,`libffi-dev`,`git`, `virtualenv`,`pip` and `python` >= 3.8.6.
+- `git`, `virtualenv`,`pip` and `python` >= 3.8.6.
 - A webcam for the webcam page to work. Will work on a smartphone. Not required.
 
 ## Context

configuration/config.toml

@@ -8,9 +8,8 @@ upload_folder = "src/static/uploads"
 
 # Raspberry Pi Configuration
 [rpi]
-button_gpio_port_number = 2
+button_gpio_port_number = 17
-indicator_gpio_port_number = 22
+indicator_gpio_port_number = 18
-flash_gpio_port_number = 16
 flash = true
 
 # Users = Password

requirements.txt

@@ -1,261 +1,36 @@
-appdirs==1.4.4
+Adafruit_Thermal>=1.1.0
-apt-listchanges==4.8
+appdirs>=1.4.4
-argcomplete==3.6.2
+argcomplete>=2.0.6
-arrow==1.3.0
+cffi>=1.17.1
-attrs==25.3.0
+click>=8.1.8
-babel==2.17.0
+commonmark>=0.9.1
-bcrypt==4.2.0
+cryptography>=45.0.4
-bidict==0.23.1
+Deprecated>=1.2.18
-blinker==1.9.0
+escpos>=2.0.0
-certifi==2025.1.31
+Flask>=2.1.3
-cffi==1.17.1
+Flask-Limiter>=2.4.5.1
-chardet==5.2.0
+future>=0.18.3
-charset-normalizer==3.4.2
+itsdangerous>=2.1.2
-click==8.3.0
+Jinja2>=3.1.6
-cloud-init==25.2
+limits>=2.6.3
-colorzero==2.0
+MarkupSafe>=2.1.5
-configobj==5.0.9
+numpy>=2.3.0
-cryptography==43.0.0
+packaging>=21.3
-Deprecated==1.2.18
+pillow>=11.2.1
-distlib==0.3.9
+pycparser>=2.22
-distro==1.9.0
+Pygments>=2.12.0
-escpos==2.0.0
+pyparsing>=3.0.9
-filelock==3.18.0
+pyserial>=3.5
-Flask==3.1.2
+python-barcode>=0.13.1
-Flask-Limiter==4.0.0
+pyusb>=1.2.1
-Flask-SocketIO==5.5.1
+PyYAML>=6.0.2
-fqdn==1.5.1
+qrcode>=7.3.1
-future==1.0.0
+rich>=12.4.4
-gpiod==2.2.0
+setuptools>=80.9.0
-gpiozero==2.0.1
+six>=1.16.0
-h11==0.16.0
+toml>=0.10.2
-idna==3.10
+typing_extensions>=4.2.0
-isoduration==20.11.0
+Unidecode>=1.3.8
-itsdangerous==2.2.0
+viivakoodi>=0.8.0
-Jinja2==3.1.6
+Werkzeug>=2.1.2
-jsonpatch==1.32
+wrapt>=1.14.1
-jsonpointer==2.4
-jsonschema==4.19.2
-jsonschema-specifications==2023.12.1
-lgpio==0.2.2.0
-limits==5.6.0
-linkify-it-py==2.0.3
-markdown-it-py==3.0.0
-MarkupSafe==2.1.5
-mdurl==0.1.2
-numpy==2.3.4
-oauthlib==3.2.2
-olefile==0.47
-ordered-set==4.1.0
-packaging==25.0
-pillow==11.1.0
-platformdirs==4.3.7
-ply==3.11
-pycparser==2.22
-pycryptodomex==3.20.0
-Pygments==2.18.0
-PyJWT==2.10.1
-pyserial==3.5
-python-apt==3.0.0
-python-barcode==0.16.1
-python-dateutil==2.9.0
-python-engineio==4.12.3
-python-socketio==5.14.1
-pyusb==1.3.1
-PyYAML==6.0.2
-qrcode==8.2
-referencing==0.36.2
-requests==2.32.3
-rfc3339-validator==0.1.4
-rfc3986-validator==0.1.1
-rfc3987==1.3.8
-rich==13.9.4
-rpds-py==0.21.0
-rpi-keyboard-config==1.0
-rpi-lgpio==0.6
-setuptools==80.9.0
-simple-websocket==1.1.0
-six==1.17.0
-smbus2==0.4.3
-spidev==3.6
-ssh-import-id==5.10
-toml==0.10.2
-types-aiofiles==24.1
-types-antlr4-python3-runtime==4.13
-types-assertpy==1.1
-types-atheris==2.3
-types-aws-xray-sdk==2.14
-types-beautifulsoup4==4.12
-types-bleach==6.2
-types-boltons==24.1
-types-braintree==4.31
-types-cachetools==5.5
-types-caldav==1.3
-types-capturer==3.0
-types-cffi==1.16
-types-chevron==0.14
-types-click-default-group==1.2
-types-click-spinner==0.1
-types-colorama==0.4
-types-commonmark==0.9
-types-console-menu==0.8
-types-corus==0.10
-types-croniter==5.0.1
-types-dateparser==1.2
-types-decorator==5.1
-types-defusedxml==0.7
-types-Deprecated==1.2.15
-types-docker==7.1
-types-dockerfile-parse==2.0
-types-docutils==0.21
-types-editdistance==0.8
-types-entrypoints==0.4
-types-ExifRead==3.0
-types-fanstatic==1.4
-types-first==2.0
-types-flake8==7.1
-types-flake8-bugbear==24.12.12
-types-flake8-builtins==2.5
-types-flake8-docstrings==1.7
-types-flake8-rst-docstrings==0.3
-types-flake8-simplify==0.21
-types-flake8-typing-imports==1.16
-types-Flask-Cors==5.0
-types-Flask-Migrate==4.0
-types-Flask-SocketIO==5.4
-types-fpdf2==2.8.2
-types-gdb==15.0
-types-gevent==24.11
-types-google-cloud-ndb==2.3
-types-greenlet==3.1
-types-hdbcli==2.23
-types-html5lib==1.1
-types-httplib2==0.22
-types-humanfriendly==10.0
-types-hvac==2.3
-types-ibm-db==3.2.4
-types-icalendar==6.1
-types-influxdb-client==1.45
-types-inifile==0.4
-types-JACK-Client==0.5
-types-Jetson.GPIO==2.1
-types-jmespath==1.0
-types-jsonschema==4.23
-types-jwcrypto==1.5
-types-keyboard==0.13
-types-ldap3==2.9
-types-libsass==0.23
-types-lupa==2.2
-types-lzstring==1.0
-types-m3u8==6.0
-types-Markdown==3.7
-types-mock==5.1
-types-mypy-extensions==1.0
-types-mysqlclient==2.2
-types-nanoid==2.0.0
-types-netaddr==1.3
-types-netifaces==0.11
-types-networkx==3.4.2
-types-oauthlib==3.2
-types-objgraph==3.6
-types-olefile==0.47
-types-openpyxl==3.1.5
-types-opentracing==2.4
-types-paramiko==3.5
-types-parsimonious==0.10
-types-passlib==1.7
-types-passpy==1.0
-types-peewee==3.17.8
-types-pep8-naming==0.14
-types-pexpect==4.9
-types-pika-ts==1.3
-types-polib==1.2
-types-portpicker==1.6
-types-protobuf==5.29.1
-types-psutil==6.1
-types-psycopg2==2.9.10
-types-pyasn1==0.6
-types-pyaudio==0.2
-types-PyAutoGUI==0.9
-types-pycocotools==2.0
-types-pycurl==7.45.4
-types-pyfarmhash==0.4
-types-pyflakes==3.2
-types-pygit2==1.15
-types-Pygments==2.18
-types-pyinstaller==6.11
-types-pyjks==20.0
-types-PyMySQL==1.1
-types-pynput==1.7.7
-types-pyOpenSSL==24.1
-types-pyRFC3339==2.0.1
-types-PyScreeze==1.0.1
-types-pyserial==3.5
-types-pysftp==0.2
-types-pytest-lazy-fixture==0.6
-types-python-crontab==3.2
-types-python-datemath==3.0.1
-types-python-dateutil==2.9
-types-python-http-client==3.3.7
-types-python-jenkins==1.8
-types-python-jose==3.3
-types-python-nmap==0.7
-types-python-xlib==0.33
-types-pytz==2024.2
-types-pywin32==308
-types-pyxdg==0.28
-types-PyYAML==6.0
-types-qrbill==1.1
-types-qrcode==8.0
-types-regex==2024.11.6
-types-reportlab==4.2.5
-types-requests==2.32
-types-requests-oauthlib==2.0
-types-retry==0.9
-types-RPi.GPIO==0.7
-types-s2clientprotocol==5
-types-seaborn==0.13.2
-types-Send2Trash==1.8
-types-setuptools==75.6
-types-shapely==2.0
-types-simplejson==3.19
-types-singledispatch==4.1
-types-six==1.17
-types-slumber==0.7
-types-str2bool==1.1
-types-tabulate==0.9
-types-tensorflow==2.18.0
-types-TgCrypto==1.2
-types-toml==0.10
-types-toposort==1.10
-types-tqdm==4.67
-types-translationstring==1.4
-types-tree-sitter-languages==1.10
-types-ttkthemes==3.2
-types-ujson==5.10
-types-unidiff==0.7
-types-untangle==1.2
-types-usersettings==1.1
-types-uWSGI==2.0
-types-vobject==0.9.9
-types-waitress==3.0.1
-types-WebOb==1.8
-types-whatthepatch==1.0
-types-workalendar==17.0
-types-WTForms==3.2.1
-types-wurlitzer==3.1
-types-xdgenvpy==3.0
-types-xmltodict==0.14
-types-zstd==1.5
-types-zxcvbn==4.4
-typing_extensions==4.15.0
-uc-micro-py==1.0.3
-uritemplate==4.1.1
-urllib3==2.3.0
-viivakoodi==0.8.0
-virtualenv==20.31.2
-webcolors==1.13
-Werkzeug==3.1.3
-wheel==0.46.1
-wrapt==1.17.3
-wsproto==1.2.0

src/main.py

@@ -77,14 +77,10 @@ printer = Printer(app,0x04b8, 0x0e28)
 printer.init_printer()
 
 # Find out if we are running on a Raspberry Pi
-rpi = Raspberry(printer,
+rpi = Raspberry(printer, app, socketio, configuration_file['rpi']['button_gpio_port_number'], configuration_file['rpi']['indicator_gpio_port_number'], configuration_file['rpi']['flash'] )
-                app,
-                socketio,
-                configuration_file['rpi']['button_gpio_port_number'], configuration_file['rpi']['indicator_gpio_port_number'],
-                configuration_file['rpi']['flash_gpio_port_number'],
-                configuration_file['rpi']['flash'] )
-
 RASPBERRY_PI_CONNECTED =  rpi.is_raspberry_pi()
+if RASPBERRY_PI_CONNECTED:
+    rpi.initialise_gpio()
 
 
 #############################################################
@@ -95,7 +91,7 @@ RASPBERRY_PI_CONNECTED =  rpi.is_raspberry_pi()
 web = Web(app, printer)
 
 if __name__ == "__main__":
-    app.run(debug=True, use_reloader=False, host='0.0.0.0', ssl_context='adhoc')
+    app.run(ssl_context='adhoc')
 
 limiter = Limiter(
     get_remote_address,

src/printer.py

@@ -1,4 +1,5 @@
 # Importing the module to mage the connection to the printer.
+from flask import flash
 from escpos.printer import Usb, USBNotFoundError
 from time import sleep, gmtime, strftime
 import os.path
@@ -45,10 +46,12 @@ class Printer(object):
         match status:
             case 0:
                 self.app.logger.error('Printer has no more paper, aborting...')
+                flash("No more paper on the printer. Sorry.",category='error')
                 self.printer.close()
                 raise Exception("No more paper in the printer")
             case 1:
                 self.app.logger.warning('Printer needs paper to be changed very soon ! ')
+                flash('Printer needs paper to be changed very soon ! ', category='info')
                 self.printer.close()
             case 2:
                 self.app.logger.debug('Printer has paper, good to go')
@@ -98,7 +101,7 @@ class Printer(object):
 
         return True
 
-    def print_sms(self, msg, signature="Guest") -> None:
+    def print_sms(self, msg, signature) -> None:
         clean_msg = str(msg)
         clean_signature = str(signature)
 
@@ -106,7 +109,7 @@ class Printer(object):
             self.app.logger.warning("Could not print message of this length: " + str(len(clean_msg)))
             raise Exception("Could not print message of this length :" + str(len(clean_msg)) + ", needs to between 3 and 4096 caracters long.")
 
-        if len(signature) > 256 or len(signature) < 1:
+        if len(signature) > 256 or len(signature) < 3:
             self.app.logger.warning("Could not print signature of this length: " + str(len(clean_signature)))
             raise Exception("Could not print signature of this length :" + str(len(clean_signature)) + ", needs to between 3 and 256 caracters long.")
 
@@ -130,12 +133,13 @@ class Printer(object):
             self.app.logger.error("Unable to print because : " + str(e))
             raise e
 
+        flash("Message printed : " + clean_msg ,category='info')
         return True
 
     def print_img(self, path, sign) -> None:
         clean_signature = str(sign)
 
-        if len(sign) > 256 or len(sign) < 1:
+        if len(sign) > 256 or len(sign) < 3:
             self.app.logger.warning("Could not print signature of this length: " + str(len(clean_signature)))
             raise Exception("Could not print signature of this length :" + str(len(clean_signature)) + ", needs to between 3 and 256 caracters long.")
 
@@ -156,10 +160,10 @@ class Printer(object):
         try:
             self.check_paper()
             self.printer.open(self.usb_args)
-            self.printer.image(path)
+            self.printer.textln("Printed by LittlePrinter ")
-            self.printer.textln("Printed by LittlePrynter ")
             self.printer.textln("n07070.xyz/articles/littleprynter")
-            self.printer.textln(clean_signature + " @ " + strftime("%Y-%m-%d %H:%M:%S", gmtime()))
+            self.printer.textln("> " + clean_signature + " @ " + strftime("%Y-%m-%d %H:%M:%S", gmtime()))
+            self.printer.image(path)
             self.printer.cut()
             self.printer.close()
             self.app.logger.debug("Printed an image : " + str(path))
@@ -210,7 +214,7 @@ def process_image(self, path):
 
         # Final resize check
         if original_img.height > max_height:
-            raise ValueError("Image is too long, sorry! Keep it below 575×1000 pixels.")
+            flash("Image is too long, sorry! Keep it below 575×1000 pixels.", 'error')
             self.app.logger.error("Image is too long, sorry! Keep it below 575×1000 pixels.")
             return False
 

src/raspberry.py

@@ -1,5 +1,5 @@
 from flask_socketio import SocketIO
-from gpiozero import Button, LED, DigitalOutputDevice
+from gpiozero import Button, LED
 from time import sleep
 import io                               # To check if we are on a Raspberry Pi
 import subprocess
@@ -13,17 +13,24 @@ class Raspberry(object):
     - Flash an indicator light
 
     """
-    def __init__(self, printer, app, socketio, button_gpio_port_number, indicator_gpio_port_number, flash_gpio_port_number, is_flash_present,):
+    def __init__(self, printer, app, socketio, button_gpio_port_number, indicator_gpio_port_number, is_flash_present,):
         self.printer = printer
         self.socketio = socketio
         self.app = app
 
-        self.flash_gpio = flash_gpio_port_number
         self.is_flash_present = is_flash_present
         self.button_gpio = button_gpio_port_number
         self.led_gpio = indicator_gpio_port_number
         self.image_path = self.app.config['UPLOAD_FOLDER'] + '/image.jpg'
 
+    def initialise_gpio(self):
+
+        self.button = Button(self.button_gpio)
+        self.led = LED(self.led_gpio)
+
+        button.when_pressed = self.on_button_pressed()
+
+
     def is_raspberry_pi(self, raise_on_errors=False):
         # Check if we are running on a raspberry pi
         try:
@@ -52,71 +59,48 @@ class Raspberry(object):
             return False
 
         self.app.logger.debug('It seems we are on a Raspberry Pi')
-
-        try:
-            self.initialise_gpio()
-        except Exception as e:
-            self.app.logger.debug('Could not init GPIO : ' + str(e))
-            raise e
         return True
 
-    def initialise_gpio(self):
-        self.app.logger.debug('Initializing GPIO')
-
-        self.led = LED(self.led_gpio)
-        self.app.logger.debug('Activated indicator LED')
-
-        self.button = Button(self.button_gpio, pull_up=True, bounce_time=0.1)
-        self.button.when_pressed = self.on_button_pressed
-        self.app.logger.debug('Activated button')
-
-        # The "flash" is a relay-controlled device ( light bulb for example )
-        self.flash = DigitalOutputDevice(self.flash_gpio)
-        self.app.logger.debug('Activated flash')
-
-
     def take_picture(self):
+        # return a path to a picture
         try:
             subprocess.run(['fswebcam', '--no-banner', self.image_path])
         except Exception as e:
-            self.app.logger.error('Unable to take a picture :' + str(e))
+            self.app.logger.error('Unable to take a picture :' + e)
             raise e
         return True
 
-    def indicator_countdown(self,iters=10,multi=10):
+    def flash(state):
-        for i in range(iters,0,-1):
+        if state:
-            self.led.on()
+            # turn on the flash
-            sleep(i/multi)
+            pass
-            self.led.off()
+        else:
-            sleep(i/multi)
+            # turn off the flash
+            pass
 
-    def indicator_led(self,timing=0.2,l=5):
+    def flash_indicator(self):
-        for i in range(l):
+        # The indicator will flash three times before return true
-            self.app.logger.debug("LED turned on")
+        self.led.on()
-            self.led.on()
+        sleep(0.1)
-            sleep(timing)
+        self.led.off()
-            self.led.off()
+        sleep(1)
-            self.app.logger.debug("LED turned off")
+        self.led.on()
-            sleep(timing)
+        sleep(0.1)
+        self.led.off()
+        sleep(1)
+        self.led.on()
+        sleep(0.1)
+        self.led.off()
 
-    def flash_toggle(self):
+    def on_button_pressed():
-        self.app.logger.debug("Flash turned on")
-        self.flash.on()
-        sleep(0.3)
-        self.flash.off()
-        self.app.logger.debug("Flash turned off")
-
-
-
-    def on_button_pressed(self):
-        self.app.logger.debug("Button has been pressed")
         self.socketio.emit('button_pressed')  # Notify clients that a button has been pressed on the raspberry pi
-        self.indicator_countdown(iters=5,multi=20)  # The indicator will flash a countdown LED
+        self.flash_indicator()  # The indicator will flash a countdown LED
-        self.flash_toggle()
+        self.flash(True)
         try:
             self.take_picture()
             self.printer.print_image(self.image_path)
-            self.socketio.emit('picture_taken')  # Notify clients that a picture has been taken
         except Exception as e:
-            self.app.logger.error("Could not take a picture after the button press : " + str(e))
+            app.logger.error("Could not take a picture after the button press : " + e)
-        return True
+            self.led.on()
+        self.flash(False)
+        self.socketio.emit('picture_taken')  # Notify clients that a picture has been taken

src/static/js/webcam.js

@@ -244,7 +244,7 @@ function print_picture(data){
   let time = currentDate.getHours() + ":" + currentDate.getMinutes() + ":" + currentDate.getSeconds();
 
   formData.set("img", picture, "picture.png");
-  formData.set("signature", "Webcam")
+  formData.set("signature", " Accès Libre ~ 1 An ~ Fête de la Musique Libre @ " + time)
 
   fetch(url, {
     method: 'POST', // or 'PUT'

src/web.py

@@ -21,7 +21,7 @@ class Web(object):
             self.app.logger.error(e)
             flash("Error while printing the SMS : "+ str(e))
 
-        flash("You message " + str( texte ) + " has been printed :)")
+        flash("You message has been printed :)")
 
 
     def print_image(self, image, sign: str):
@@ -57,7 +57,7 @@ class Web(object):
                 self.app.logger.debug("File saved")
             except Exception as e:
                 self.app.logger.error("Could not save file")
-                flash(str(e),'error')
+                flash(e,'error')
                 return False
 
             self.app.logger.debug("File saved to " + str(os.path.join(self.app.config['UPLOAD_FOLDER'], filename)))