def start():
""" Function called when start buton is pressed
It checks that a card has been inserted by looking for
auto-mounted /dev/sda partitions
"""
found_sd = False
for p in psutil.disk_partitions():
if p.device == "/dev/sda2" and p.mountpoint == "/media/pi/rootfs":
logger.info("Found SD card - looks like Raspbian")
found_sd = True
elif p.device == "/dev/sda1" and p.mountpoint == "/media/pi/boot":
logger.info("Found SD card- looks like Raspbian")
found_sd = True
elif p.device == "/dev/sda1" and p.fstype == "vfat":
logger.info("Found SD card - looks like NOOBs")
found_sd = True
if found_sd:
instructions.enable()
image_selecter.enable()
button_burn.enable(
) # do this now becuase users might want to go with the default
text_start.disable()
button_start.disable()
info(
"Success!",
"SD card detected. Please choose your operating system and then press 'Burn'"
)
else:
error("Uh oh!", "No SD card detected - please remove it and try again")
def finish_order():
total_price = 0
for f in ordered_list:
total_price += f.get_price()
if len(ordered_list) == 0:
error("Error", "There is nothing in the order to complete")
else:
finalise_order = app.yesno("Are you done?",
"Are you finished with your order")
if finalise_order == True:
new_order = [total_price]
for food in ordered_list:
new_order.append(food.get_name())
'''Add new food using details entered. '''
import csv
with open('TomsGarage_Reciept.csv', 'a', newline='') as csvfile:
writer = csv.writer(csvfile)
writer.writerow(new_order)
ordered_list.clear()
order_listbox.clear()
else:
None
def admin_add_food():
''' Add new food using details entered. '''
if name_text.value == "" or price_text.value == "" or course_text.value == "":
success_lbl.text_color = (230, 50, 10)
success_lbl.value = "Please complete all fields"
# error(title, text)
error("ERROR!", "Please complete all fields!")
else:
Food(name_text.value, price_text.value, course_text.value, 1)
new_item = [name_text.value, price_text.value, course_text.value, 1]
import csv
with open('TomsGarage.csv', 'a') as csvfile:
writer = csv.writer(csvfile)
writer.writerow(new_item)
success_lbl.text_color = (30, 230, 15)
success_lbl.value = "New Food added"
name_text.clear()
price_text.clear()
course_text.clear()
def registrazione():
global username
c = socket_client()
if c != -1:
r = ["SERVICE", "regUser", usernameReg.value, passwordReg.value]
r_ser = pickle.dumps(r)
c.send(r_ser)
risposta = c.recv(1024)
risposta_decod = pickle.loads(risposta)
if risposta_decod != "":
if risposta_decod == "INSERITO":
interfaccia.enable()
finestraReg.hide()
info("Successo", "Registrazione avvenuta con successo")
username = usernameReg.value
labelUsername.value = "Benvenuto " + username
utenti = richiedi_utenti()
for utente in utenti:
lista_utenti.append(utente)
elif risposta_decod == "ESISTENTE":
error("Errore", "Username già esistente, riprova.")
c.close()
elif c == -1:
error(
"Errore",
"Errore di connessione, il server potrebbe non essere disponibile")
def login():
global username
c = socket_client()
if c != -1:
r = ["SERVICE", "checkPwd", usernameLogin.value, passwordLogin.value]
r_ser = pickle.dumps(r)
c.send(r_ser)
risposta = c.recv(1024)
risposta_decod = pickle.loads(risposta)
if risposta_decod != "":
if risposta_decod == "CORRETTO":
interfaccia.enable()
finestraLog.hide()
username = usernameLogin.value
labelUsername.value = "Benvenuto " + username
utenti = richiedi_utenti()
for utente in utenti:
lista_utenti.append(utente)
elif risposta_decod == "ERRORE":
error("Errore", "Username o password errati, riprova.")
c.close()
elif c == -1:
error(
"Errore",
"Errore di connessione, il server potrebbe non essere disponibile")
def invia_dati():
global username
if textbox.value == "":
return -1
if lista_utenti.value == None:
avvisi.value = "Inserisci nome desinatario"
return -1
c = socket_client()
if c != -1:
testo_messaggio = textbox.value
richiesta = [
"POST",
str(testo_messaggio),
str(lista_utenti.value), username
]
richiesta_ser = pickle.dumps(richiesta)
c.send(richiesta_ser)
risposta = c.recv(1024)
avvisi.value = pickle.loads(risposta)
c.close()
textbox.clear()
elif c == -1:
error(
"Errore",
"Errore di connessione, il server potrebbe non essere disponibile")
def clear_order():
''' Clear the listbox'''
if len(ordered_list) == 0:
error("Error", "There is nothing in the order to clear")
else:
order_listbox.clear()
del ordered_list[:]
update_total_price()
def undo():
''' Undo the last order that was appended to the list '''
# deleting the last item that was appended to the list
if len(ordered_list) == 0:
error("Error", "There is nothing in the order to undo")
else:
del ordered_list[-1]
# updating the listbox to redisplay the context of the listbox
update_order_listbox()
update_total_price()
def BlueDot_control():
if BlueDot.is_connected == True:
info( 'BlueDot', 'Press bluedot when ready to capture' )
try:
BlueDot.wait_for_press()
BlueDot.wait_for_release()
capture_Image()
finally:
return
else:
error( 'BlueDot', 'Device not connected' )
def run(self):
while self._running:
'''
连接硬件 串口
'''
env_is_valid = check_env()
if not env_is_valid:
try:
# 使其在cli下能用
error("错误信息", "请连接ubtrobot")
except RuntimeError:
self.logger.info("错误信息: %s", "请插入ubtrobot")
time.sleep(5)
else:
try:
port = find_ubtrobot()
self.ser = serial.Serial(port, 115200, timeout=1) # 9600
break
except OSError:
try:
# 使其在cli下能用
error("错误信息", "请连接ubtrobot")
except RuntimeError:
self.logger.info("错误信息: %s", "请插入ubtrobot")
time.sleep(5)
while self._running:
'''
订阅到的是什么消息 消息体是怎样的
'''
message = self.read()
cmd_map = {
"forward": [],
"backward": [],
"left": [],
"right": [],
"push ups": [],
"stop": [],
"init": [],
"happy birthday": [],
"left punch": []
}
self.logger.debug("message {}".format(message))
if message.get("topic") == "eim":
cmd = cmd_map.get(message.get("data"))
if cmd:
self.logger.debug("cmd:{}".format(cmd))
# 如果是linux每次都要重连
if platform.system() == "Linux":
port = find_linux_port()
self.ser = serial.Serial(port, 115200, timeout=1)
self.ser.write(cmd)
def comCheck(baudArg, radioPortArg, loopbackPortArg, stopBitsArg, parityArg,
byteSizeArg, TX, RX):
global root
try:
cat = serial.Serial(port=radioPortArg,
baudrate=baudArg,
stopbits=stopBitsArg,
parity=parityArg,
bytesize=byteSizeArg)
tnc = serial.Serial(port=loopbackPortArg, rtscts=True)
while True:
if killComFlag:
cat.write(RX)
break
if tnc.cts:
cat.write(TX)
while tnc.cts:
if killComFlag:
cat.write(RX)
break
cat.write(RX)
except serial.SerialException:
guizero.error("Error", "Cannot open COM port!")
try:
cat.write(RX)
except:
pass
StartTxButton.enable()
EndTxButton.disable()
def delete_student():
'''This function deletes the selected student.'''
if student_listbox.value == None:
delete_lbl.value = "No student selected"
error("ERROR!", "No student selected.")
else:
#check if they really want to delete the student
check_delete = yesno("ALERT",
"Are you sure you want to delete this student?")
if check_delete == True:
#get the index of the student we are deleting
i = student_name.index(student_listbox.value)
#delete from both the student_list and the student_list lists
del (student_names[i])
del (student_list[i])
def add_student():
''' Add new student using details entered. '''
if name_text.value == "" or age_text.value == "" or phone_text.value == "" or class_listbox.value == None:
success_lbl.value = "Please complete all fields."
#error
error("ERROR!", "Please complete all fields.")
else:
Student(name_text.value, age_text.value, phone_text.value,
gender_combo.value, class_listbox.value)
success_lbl.value = "New Student entered!"
success_lbl.clear()
name_text.clear()
age_text.clear()
phone_text.clear()
name_text.focus()
def save_file():
if not buffer:
error('Error', 'No file loaded!')
return
try:
buffer_with_data = FilterSteganographer().\
hide(buffer, bytes(text_box_secret.get(), encoding='utf8'), read_key())
except AssertionError as e:
error('Error', e)
return
f = asksaveasfile(mode='wb', defaultextension=".png")
if f is None: # asksaveasfile return `None` if dialog closed with "cancel".
return
f.write(buffer_with_data)
f.close()
def import_python():
global framerate
global current_frame_number
current_frame_number = 1
filename = filedialog.askopenfilename(initialdir=HOME,
title="Select file",
filetypes=(("python files",
"*.py"),
("all files", "*.*")))
if len(filename) != 0:
with open(filename, "r") as import_file:
line1 = import_file.readline()
if line1 == "# m8tricks output file \n":
#print("This looks like an 8x8 Grid Editor file")
try:
for line in import_file:
if line.startswith("sh.set_pixels"):
grid = line[14:-2]
frames[
current_frame_number] = ast.literal_eval(
grid)
current_frame_number += 1
current_frame_number -= 1
load_frame()
except:
error("Import failed",
"Sorry, that file could not be imported")
else:
not_our_file = yesno(
"Uh-oh",
"This doesn't look like a m8tricks file. Carry on trying to import it?"
)
if not_our_file == True:
try:
for line in import_file:
if line.startswith("sh.set_pixels"):
grid = line[14:-2]
frames[
current_frame_number] = ast.literal_eval(
grid)
current_frame_number += 1
current_frame_number -= 1
load_frame()
except:
error("Import failed",
"Sorry, that file could not be imported")
def run(self):
while True:
env_is_valid = check_env()
# 等待用户连接microbit
if not env_is_valid:
try:
# 使其在cli下能用
error("错误信息", "请插入microbit")
except RuntimeError:
self.logger.info("错误信息: %s", "请插入microbit")
time.sleep(5)
else:
port = find_microbit()
self.ser = serial.Serial(port, 115200, timeout=1)
break
# lock = threading.Lock()
# def request():
# while True:
# self.logger.info("in process")
# lock.acquire()
# self.message = self.read()
# lock.release()
# bg_task = threading.Thread(target=request)
# self.logger.info("thread start")
# bg_task.daemon = True
# bg_task.start()
while True:
'''
订阅到的是什么消息 消息体是怎样的
'''
self.message = self.read()
message = self.message
self.logger.info(f"message {message}")
self.message = {}
if message != {}:
message = json.dumps(message) + "\r\n"
message_bytes = message.encode('utf-8')
self.logger.debug(message_bytes)
self.ser.write(message_bytes)
time.sleep(0.2)
def admin_change_availability():
''' Change availability of selected item. '''
if admin_listbox_available.value == None and admin_listbox_unavailable.value == None:
delete_lbl.text_color = (230, 50, 10)
delete_lbl.value = "Please select a food item to change"
# error pop up message
error("ERROR!:", "Please select a food item to delete")
elif admin_listbox_available.value != None:
for food in food_list:
if food.get_name() == admin_listbox_available.value:
food.set_availability()
import csv
with open('TomsGarage.csv', 'w', newline='') as csvfile:
writer = csv.writer(csvfile)
for f in food_list:
new_item = [
f.get_name(),
f.get_price(),
f.get_course(),
f.get_availability()
]
writer.writerow(new_item)
admin_update_listboxes()
else:
for food in food_list:
if food.get_name() == admin_listbox_unavailable.value:
food.set_availability()
import csv
with open('TomsGarage.csv', 'w', newline='') as csvfile:
writer = csv.writer(csvfile)
for f in food_list:
new_item = [
f.get_name(),
f.get_price(),
f.get_course(),
f.get_availability()
]
writer.writerow(new_item)
admin_update_listboxes()
def add_student():
''' Add new student using details entered. '''
if name_text.value == "" or age_text.value == "" or phone_text.value == "" or class_listbox == None:
success_lbl.text_color = (230, 50, 10)
success_lbl.value = "Please complete all fields"
# error(title, text)
error("ERROR!", "Please complete all fields!")
else:
Student(name_text.value, age_text.value, phone_text.value,
gender_combo.value, class_listbox.value)
success_lbl.text_color = (30, 230, 15)
success_lbl.value = "New Student added"
name_text.clear()
phone_text.clear()
age_text.clear()
class_listbox.clear()
name_text.focus()
def run(self):
while True:
'''
连接硬件 串口
'''
env_is_valid = check_env()
# 等待用户连接microbit
if not env_is_valid:
try:
# 使其在cli下能用
error("错误信息", "请连接ubtrobot")
except RuntimeError:
self.logger.info("错误信息: %s", "请插入ubtrobot")
time.sleep(5)
else:
port = find_ubtrobot()
self.ser = serial.Serial(port, 115200, timeout=1) # 9600
break
while True:
'''
订阅到的是什么消息 消息体是怎样的
'''
message = self.read()
# 由于优必选alpha1的蓝牙协议没有公开，所以我暂时不把它放出来，统一用[]代替，有拿到合作的小伙伴，可以自行补上协议
cmd_map = {
"forward": [],
"backward": [],
"left": [],
"right": [],
"push ups": [],
"stop": [],
"init": [],
"happy birthday": [],
"left punch": []
}
self.logger.debug("message {}".format(message))
if message["topic"] == "eim":
cmd = cmd_map.get(message.get("data"))
if cmd:
self.logger.debug("cmd:{}".format(cmd))
self.ser.write(cmd)
def loopyloop():
raw_id = id_scan.value
global session_user_logged
global session_user_id
session_timeout_tick()
id_type = what_is(raw_id)
if (id_type == "usr-raw"):
session_timeout_reset()
usrid = get_fit_id(raw_id)
if (session_active()):
session_log_out(usrid)
else:
session_log_in(usrid)
elif (id_type == "usr"):
session_timeout_reset()
usrid = raw_id
if (session_active()):
session_log_out(usrid)
else:
session_log_in(usrid)
elif (id_type == "cmd"):
session_timeout_reset()
execute(raw_id)
elif (id_type == "eqp"):
if (session_active()):
session_timeout_reset()
if (eqp_exists(raw_id)):
check_out(raw_id)
else:
error("No such ID", "The scanned ID does not exist.")
id_scan.value = ""
else:
error("Not logged in!",
"Please log in prior to scanning equipment!")
id_scan.value = ""
app.after(1000, loopyloop)
def add_student():
''' Add new student using details entered. '''
# First check if all the fields have been completed
if name_text.value == "" or age_text.value == "" or phone_text.value == "" or class_listbox.value == None:
# If not, display an error message
success_lbl.text_color = (161, 18, 16)
success_lbl.value = "Please complete all fields"
error("ERROR", "Please complete all fields")
else:
# If so, add a new Student object and display a success message.
# Clear all fields and make the name_text field the focus
Student(name_text.value, age_text.value, phone_text.value, gender_combo.value, class_listbox.value)
success_lbl.text_color = (23, 135, 53)
success_lbl.value = "New student added successfully"
name_text.clear()
age_text.clear()
phone_text.clear()
class_listbox.value = []
name_text.focus()
def main_program(dev):
if not dev:
whitelight = LED(21)
whitelight.on()
app = App(title="Chemistry Outreach Project v1.1")
lighton = yesno("Initialisation check.", "Is the LED lit?")
if not lighton:
error("Initialisation error.",
"Please check the connections and run the program again.")
quit()
app.destroy()
tlength = int(
input('How long would you like to run the simulations for (s)? '))
run_program(tlength)
if not dev:
whitelight.off()
def fetch_pokemon():
name = (input_box.value).lower()
try:
poke = pokemon(name)
info = poke.sprites
height = poke.height
weight = poke.weight
type = poke.type
pic = get(poke.sprites.front_default).content
image = Image.open(BytesIO(pic))
image.save('poke.gif')
icon.value = 'poke.gif'
info_box.value = info
height_box.value = height
weight_box.value = weight
type_box.value = abilities
except:
error('warning', 'invalid name, plz enetr the name properly')
def delete_student():
''' Deleting a selected student '''
if student_listbox.value == None:
delete_lbl.text_color = (230, 50, 10)
delete_lbl.value = "Please select a student to delete"
# error pop up message
error("ERROR!:", "Please select a student to delete")
else:
# check if they really want to delete the selected student using a yes or no popup
check_delete = yesno("ALERT!",
"Are you sure you want to delete this student?")
if check_delete == True:
# Get the index of the sutdent we are deleting (position in student_names)
i = student_names.index(student_listbox.value)
# delete the objects from student names and student list
del (student_names[i])
del (student_list[i])
delete_lbl.text_color = (210, 45, 17)
delete_lbl.value = "Student has been deleted"
search()
def _database_delete_button(self):
on_note_number = int(self.textbox_on_number_notes.value)
number_of_notes = len(self.database_notes)
try:
if on_note_number < 1 or on_note_number > number_of_notes:
app_logger.app_logger.warning("Error: Current Note Number is more or less then total")
guizero.error("Invalid Current Note Number", (" '" + str(on_note_number) + "' is a invalid option\n" +
"Please enter a number between 1 and " +
str(number_of_notes)))
self._database_change_to_note_plus(0)
elif guizero.yesno("Delete Note", "Are you sure you want to Delete Note " +
self.textbox_on_number_notes.value + " out of " +
self.textbox_total_notes.value + "?"):
note_date_times = self.get_database_notes_dates()
datetime_var = str(note_date_times[on_note_number - 1])
sql_query = "DELETE FROM " + \
str(self.sql_column_names.sql_other_table) + \
" WHERE " + \
str(self.sql_column_names.date_time) + \
" = '" + datetime_var + "'"
self._sql_execute(sql_query)
self.database_notes.pop(on_note_number - 1)
self.database_notes_dates.pop(on_note_number - 1)
self.database_user_note_dates.pop(on_note_number - 1)
self._database_change_to_note_plus(0)
except Exception as error:
app_logger.app_logger.error("Invalid Current Note number: " + str(error))
guizero.error("Invalid Current Note Number", (" '" + self.textbox_on_number_notes.value +
"' is a invalid option\nPlease enter a number between 1 and " +
str(len(self.get_database_notes_dates()))))
self._database_change_to_note_plus(0)
def admin_delete_food():
'''Deletes an item off the menu.'''
if admin_listbox_available.value == None:
delete_lbl.text_color = (230, 50, 10)
delete_lbl.value = "Please select a food item to delete"
# error pop up message
error("ERROR!:", "Please select a food item to delete")
else:
# check if they really want to delete the selected student using a yes or no popup
check_delete = yesno(
"ALERT!", "Are you sure you want to delete this food item?")
if check_delete == True:
# Get the index of the food item we are deleting (position in ordered_list)
i = 0
for food in food_list:
if food.get_name() == admin_listbox_available.value:
del food_list[i]
else:
i += 1
# delete the objects from student names and student list
import csv
with open('TomsGarage.csv', 'w', newline='') as csvfile:
writer = csv.writer(csvfile)
for f in food_list:
new_item = [
f.get_name(),
f.get_price(),
f.get_course(),
f.get_availability()
]
writer.writerow(new_item)
delete_lbl.text_color = (210, 45, 17)
delete_lbl.value = "Food item has been deleted"
admin_update_listboxes()
def check_GPIO():
print( '\nChecking GPIOs' )
LED_gpio = [LED_Red_gpio.get(), LED_Orange_gpio.get(), LED_Yellow_gpio.get(),
LED_Green_gpio.get(), LED_Blue_gpio.get() ]
# check if there are GPIO boxes empty
if any( gpio == '' for gpio in LED_gpio ):
error( 'Error', 'Undefined GPIO(s)!!' )
print( 'Error: Undefined GPIO(s)!!' )
print( 'Available GPIOs:', GPIO_list )
Flag = False
# check if there are repeated GPIOs in the boxes
elif any( LED_gpio.count(gpio) > 1 for gpio in LED_gpio ):
warn( 'Warning', 'Repeated GPIO(s)!!' )
print( 'Warning: Repeated GPIO(s)!!' )
Flag = False
# check if the gpios are available
elif all( gpio in GPIO_list for gpio in LED_gpio ):
Flag = True
else:
error( 'Error', 'Unavailable GPIO(s)!!' )
print( 'Error: Unavailable GPIO(s)!!' )
print( 'Available GPIOs:', GPIO_list )
Flag = False
return Flag
def reload_prompt_error():
error("Reload Old Program Error", "You must select a old program to reload")
def time_prompt_error():
error("Run Time Error", "Time field must be between values 0 and 3600")
def duty_cycle_error_prompt():
error("Duty Cycle Error", "Duty Cycle fields must be between values 0 and 100")
