def get_stock_data(row_text, dt):
sym = row_text[9:-7]
if not sym.isalpha():
print('%s not a symbol' % sym)
return
nse = Nse()
print('getting nse price for stock ', sym)
q = nse.get_quote(sym)
popup = Popup()
popup.title = 'Live data for ' + sym
popup.size_hint = (.7, .6)
popup.pos_hint = {'center_x': .5, 'center_y': .5}
if q is not None:
ltp = q['lastPrice']
low = q['dayLow']
high = q['dayHigh']
high52 = q['high52']
low52 = q['low52']
prevClose = q['previousClose']
pChange = q['pChange']
val = get_ltp_string(sym, ltp, prevClose, pChange)
c1 = Label(text='Symbol')
c2 = Label(text=sym)
c3 = Label(text='PrevClose')
c4 = Label(text=str(prevClose))
c5 = Label(text='Last Price')
c6 = Label(text=val, markup=True)
c7 = Label(text='Day Low')
c8 = Label(text=str(low))
c9 = Label(text='Day High')
c10 = Label(text=str(high))
c11 = Label(text='52 week Low')
c12 = Label(text=str(low52))
c13 = Label(text='52 week High')
c14 = Label(text=str(high52))
# add the data
gridlayout = GridLayout(cols=2)
gridlayout.add_widget(c1)
gridlayout.add_widget(c2)
gridlayout.add_widget(c3)
gridlayout.add_widget(c4)
gridlayout.add_widget(c5)
gridlayout.add_widget(c6)
gridlayout.add_widget(c7)
gridlayout.add_widget(c8)
gridlayout.add_widget(c9)
gridlayout.add_widget(c10)
gridlayout.add_widget(c11)
gridlayout.add_widget(c12)
gridlayout.add_widget(c13)
gridlayout.add_widget(c14)
content = gridlayout
else:
content = Label(text='No data available for symbol ' + sym)
popup.content = content
popup.open()
MDApp.get_running_app().stock_fetch = False
def create_settings_button():
# a button to call out settings panel
settings_button = Button(text = 'settings')
# configure a popup window to display settings and parameters
settings_popup = Popup( title='Settings', size_hint=(0.8, 0.2))
settings_popup.pos_hint = {'x':0.5-settings_popup.size_hint[0]/2,
'y':0.9-settings_popup.size_hint[1]/2} # distance from popup.center
settings_popup_content = GridLayout(cols=1) # a blank layout to put other widgets in
settings_popup.content = settings_popup_content
# when popup occurs, rezie the preview screen to prevent blockage?
def fullscreen_preview(instance):
"""when popup get dismissed, revert camera preview window to normal"""
mc.camera_library('stop_preview')
mc.camera_library('fullscreen_preview')
def reduced_size_preview(instance):
"""when popup get opened, reduce camera preview window size to prevent blocking"""
mc.camera_library('stop_preview')
reduced_size_window = (int(Window.width*0.2), int(Window.height*0.25), int(Window.width*0.6), int(Window.width*0.6/1.33))
mc.camera_library('reduced_size_preview',reduced_size_window)
settings_popup.bind(on_dismiss = fullscreen_preview)
settings_popup.bind(on_open = reduced_size_preview)
def switch_settings_popup_content(instance):
"""alter popup content when clicking buttons"""
settings_popup_content.clear_widgets()
settings_popup.open()
if instance == settings_button:
settings_popup_content.add_widget(settings_panel)
elif instance == contrast_button:
settings_popup_content.add_widget(contrast_controller)
elif instance == brightness_button:
settings_popup_content.add_widget(brightness_controller)
elif instance == filepath_button:
settings_popup_content.add_widget(filepath_controller)
mc.camera_library('stop_preview') # the preview will block the keyboard
filepath_input.text = format_filepath()
# add buttons to call out popups
# settings_panel with 3 buttons on it
settings_panel, contrast_button, brightness_button, filepath_button = create_settings_panel()
brightness_controller, contrast_controller = create_settings_controllers()
filepath_controller = create_filepath_controller()
for button in [settings_button, contrast_button, brightness_button, filepath_button]:
button.bind(on_release= switch_settings_popup_content)
return settings_button
def create_gallery(self):
folder_chooser_button = Button(text = 'File viewer \nto choose folder', size_hint_x = 0.2) # a button to popup filechooser
self.folder_chooser = FileChooser()
self.folder_chooser.path = r'C:\Users\herbz\OneDrive - University Of Cambridge\Documents\GitHub\WaterScope-RPi\motor control'
self.folder_chooser.add_widget(FileChooserIconLayout())
# a popup window to choose folder
folder_chooser_popup = Popup(title = 'choose folder to save image', size_hint = (0.9, 0.9))
folder_chooser_popup.pos_hint = {'x':0.5-folder_chooser_popup.size_hint[0]/2,
'y':0.5-folder_chooser_popup.size_hint[1]/2}
folder_chooser_popup.content = self.folder_chooser
image_viewer_popup = Popup(title = 'image viewer', size_hint = (0.8, 0.8))
self.number = 1
def activate_folder_chooser(instance):
folder_chooser_popup.open()
def choose_image(instance, value):
'''Callback function for FileChooser'''
# change from "['C:\\abc.jpg']" to "C:\\abc.jpg"
filepath = str(value).replace('[','').replace(']','').replace('\'','')
print('file:' + filepath)
# check the file type
filepath_split = filepath.split('.')
print('image: '+ filepath)
if filepath_split[-1] in ['jpg', 'jpeg', 'png', 'tif', 'tiff']:
im = PIL_Image.open(filepath)
im.thumbnail((300,300))
os.remove(self.thumbnail_location)
self.thumbnail_location = r"C:\Users\herbz\OneDrive - University Of Cambridge\Documents\GitHub\WaterScope-RPi\motor control\exp\resources\thumbnail{}.jpg".format(self.number)
im.save(self.thumbnail_location, "JPEG")
im.close()
self.image_object = Image(source = self.thumbnail_location, size_hint_x = 0.8, size_hint_y = 0.8)
self.number = self.number*-1
#self.image_object = Image(source = filepath)
image_viewer_popup.content = self.image_object
image_viewer_popup.open()
os.remove(self.thumbnail_location)
self.folder_chooser.bind(selection = choose_image)
folder_chooser_button.bind(on_release = activate_folder_chooser)
return folder_chooser_button
def create_filepath_controller():
global filepath_input # require to update in another function
filepath_controller = BoxLayout(orientation = 'horizontal', size_hint_y = 0.1)
folder_chooser_button = Button(text = 'File viewer \nto choose folder', size_hint_x = 0.2) # a button to popup filechooser
filepath_input = TextInput(multiline = False,
size_hint_x = 1 - folder_chooser_button.size_hint_x)
filepath = format_filepath() # use the default value which contains date and start from 001
filepath_input.text = filepath
for i in [filepath_input, folder_chooser_button]:
filepath_controller.add_widget(i)
folder_chooser = FileChooser()
folder_chooser.add_widget(FileChooserIconLayout())
# a popup window to choose folder
folder_chooser_popup = Popup(title = 'choose folder to save image', size_hint = (0.8, 0.8))
folder_chooser_popup.pos_hint = {'x':0.5-folder_chooser_popup.size_hint[0]/2,
'y':0.5-folder_chooser_popup.size_hint[1]/2}
folder_chooser_popup.content = folder_chooser
folder_chooser_button.bind(on_release = folder_chooser_popup.open)
def choose_folder(instance, value):
global folder, folder_sign
folder = str(value) + folder_sign
filepath = format_filepath()
filepath_input.text = filepath
folder_chooser.bind(path = choose_folder)
def update_filepath_input(instance):
global folder, filename, folder_sign, filetype
# seperate filepath_input elements
filepath = filepath_input.text
filepath_split = filepath.split(folder_sign)
filename = filepath_split[-1] # last element after the folder sign
folder = folder_sign.join(filepath_split[0:-1]) + folder_sign
# format filepath and update filepath_input
filepath = format_filepath()
filepath_input.text = filepath
filepath_input.bind(on_text_validate = update_filepath_input)
return filepath_controller
def create_settings_button(self):
'''setting button will trigger popup with different settings'''
# a button to call out settings panel
settings_button = Button(text = 'settings', size_hint_y = 0.2)
# configure a popup window to display settings and parameters
settings_popup = Popup( title='Settings', size_hint=(0.8, 0.2))
settings_popup.pos_hint = {'x':0.5-settings_popup.size_hint[0]/2,
'y':0.9-settings_popup.size_hint[1]/2} # distance from popup.center
settings_popup_content = GridLayout(cols=1) # a blank layout to put other widgets in
settings_popup.content = settings_popup_content
def preview_window_resize(argv, instance):
''' resize the window when popup oppens to prevent camera preview blocks the option
Using partial() makes first argument argv rather than intance'''
if debug_mode is True:
if argv == 'fullscreen':
print('full screen preview')
if argv == 'resized':
print('resized preview')
if debug_mode is False:
if argv == 'fullscreen':
mc.camera_library('stop_preview')
mc.camera_library('fullscreen_preview')
if argv == 'resized':
mc.camera_library('stop_preview')
reduced_size_window = (
int(Window.width*0.2), int(Window.height*0.25),
int(Window.width*0.6), int(Window.width*0.6/1.33))
mc.camera_library('reduced_size_preview', reduced_size_window)
settings_popup.bind(on_dismiss = partial(preview_window_resize, 'fullscreen'))
settings_popup.bind(on_open = partial(preview_window_resize, 'resized') )
def switch_settings_popup_content(instance):
""" Callback for different options buttons
alter popup content when clicking buttons"""
settings_popup_content.clear_widgets()
settings_popup.open()
if instance == settings_button:
settings_popup_content.add_widget(settings_panel)
elif instance == contrast_button:
settings_popup_content.add_widget(contrast_controller)
elif instance == brightness_button:
settings_popup_content.add_widget(brightness_controller)
elif instance == white_balance_button:
settings_popup_content.add_widget(white_balance_controller)
elif instance == filepath_button:
if debug_mode is False:
mc.camera_library('stop_preview') # the preview will block the keyboard
settings_popup_content.add_widget(filepath_controller)
# Update the filepath_input and folder_chooser (after taking images, possibly)
self.filepath_input.text = self.format_filepath(update = True)
# go to different folder to refresh the folder_chooser
self.folder_chooser.path = self.folder
# add buttons to call out popups
# settings_panel with 3 buttons on it
settings_panel, contrast_button, brightness_button, white_balance_button, filepath_button = self.create_settings_panel()
brightness_controller, contrast_controller, white_balance_controller = self.create_settings_controllers()
filepath_controller = self.create_filepath_controller()
for button in [settings_button, contrast_button, brightness_button, white_balance_button, filepath_button]:
button.bind(on_release= switch_settings_popup_content)
return settings_button
