def parse_and_plot(self):
# Parse the text in the input box and call the plotter function. Show a
# message box with errors if anything is wrong.
# Get the text from the input field, and create the dataframe.
stock_ids = self.stocks_input.text()
stocks = pd.DataFrame()
# If there's no text in the box, we shouldn't do anything.
if not stock_ids:
return
QtGui.QMessageBox.information(
self, "Loading", "The stocks are downloading, "
"please wait.")
# Split the text typed by the user, which will contain the stock names.
# Then download these stocks, and add them to the DataFrame that will be
# plotted.
# Catch any exceptions raised, and show error messages accordingly.
try:
for id in stock_ids.split(', '):
try:
plotter.addStock(stocks, id)
except pd.parser.CParserError:
# If the stock's id is invalid, a webpage will be
# downloaded (the one that is shown in case of a 404
# error), instead of the file we're trying to
# download. If this happens, we'll show a message to the user.
QtGui.QMessageBox.critical(
self, "Error",
"The stock or index %s doesn't exist, make sure "
"you've correctly written its name." % id)
except IOError: # The user is not connected to the Internet.
QtGui.QMessageBox.critical(
self, "Error", "The stocks couldn't be downloaded, make sure "
"you have an Internet connection.")
# If we succeeded in downloading at least one stock, we'll make a chart.
if not stocks.empty:
plotter.chart(stocks)
def parse_and_plot(self):
# Parse the text in the input box and call the plotter function. Show a
# message box with errors if anything is wrong.
# Get the text from the input field, and create the dataframe.
stock_ids = self.stocks_input.text()
stocks = pd.DataFrame()
# If there's no text in the box, we shouldn't do anything.
if not stock_ids:
return
QtGui.QMessageBox.information(self, "Cargando",
"Se estan descargando las acciones, "
"por favor espere")
# Split the text typed by the user, which will contain the stock names.
# Then download these stocks, and add them to the DataFrame that will be
# plotted.
# Catch any exceptions raised, and show error messages accordingly.
try:
for id in stock_ids.split(', '):
try:
plotter.addStock(stocks, id)
except pd.parser.CParserError:
# If the stock's id is invalid, a webpage will be
# downloaded (the one that is shown in case of a 404
# error), instead of the file we're trying to
# download. If this happens, we'll show a message to the user.
QtGui.QMessageBox.critical(self, "Error",
"La accion o indice %s no existe, asegurese "
"de haber escrito correctamente el nombre de este "
"titulo." % id)
except IOError: # The user is not connected to the Internet.
QtGui.QMessageBox.critical(self, "Error",
"No se pueden agregar las acciones, asegurese "
"de estar conectado a Internet.")
# If we succeeded in downloading at least one stock, we'll make a chart.
if not stocks.empty:
plotter.chart(stocks)
def _chart(pool_size, function_name):
plotter.chart(pool_size, function_name)