Help me with Threading in this code. I am unable to figure out how to use threading in this

htraprocks — Sat, 30 May 2020 16:51:29 +0000

def data_import_date(start_date,end_date):
end_date1=end_date.strftime('%Y-%m-%dT%H:%M:%S')
start_date=pd.Timestamp(start_date)
end_date=pd.Timestamp(end_date1)

button=widgets.Button(description='Pull Data')
button.on_click(functools.partial(select_data,rs_=[start_date,end_date]))

vbox=widgets.VBox([button])
display(vbox,out)

def select_data(b,rs_):

clear_output()

start_date=rs_[0]
end_date1=rs_[1]
print("Data pulling started")

with out:
    clear_output()
    seeq_login() 
    [item1,item2]=query_seeq_for_data()
    i=0
    while True:
        end_date=end_date1.strftime('%Y-%m-%dT%H:%M:%S')
        print("Start & End date: ",start_date,end_date)
        if i==0:
            [X_data,Y_data]=pull_data(item1,item2,start_date,end_date)
        else:
            [X_data_live,Y_data_live]=pull_data(item1,item2,start_date,end_date)
            X_data=X_data.append(X_data_live)
            Y_data=Y_data.append(Y_data_live)
        print("Data pulling completed.\nNow you're ready for your analysis")

        clear_output()
        [X_train,X_test,Y_train,Y_test]=train_test(X_data,Y_data)

        [Xp_train,components,explained_variance_ratio,_,_]=apply_PCA(X_train,X_test)
        plot_PC_variance(X_data,explained_variance_ratio)
        plot_PC(X_data,components)

        time.sleep(20)
        start_date=end_date
        end_date1=end_date1+datetime.timedelta(days=1)
        i+=1

a=interact(data_import_date,
start_date=widgets.DatePicker(value=pd.to_datetime(start_date)),
end_date=widgets.DatePicker(value=pd.to_datetime(end_date)))

def plot_PC(X_data,components):
Np_comp=(1,len(X_data.columns),1)
@interact
def principal_components(PC1=Np_comp,PC2=Np_comp):
fig,ax=plt.subplots(1,1,figsize=(10,10))
plt.figure(5)
print(PC1, PC2)

    ax.set_xlabel("Principal Component {}".format(PC1), fontsize=14)
    ax.set_ylabel("Principal Component {}".format(PC2), fontsize=14)
    ax.set_title("Principal components {0} & {1}".format(PC1,PC2), fontsize=(20))
    ax.scatter(components[:,PC1],components[:,PC2])

Ipywidgets not interacting in “while True” loop

htraprocks — Fri, 29 May 2020 06:58:55 +0000

Ipywidgets not interacting in "while True" loop

May 15 '20 Comments: 2 Answers: 1

1)This is the code snippet that I am trying to run.The main idea is that, I want the ipywidgets to be interactive, while the data is constantly being fetched from the data source. And the data is being updated at certain interval using the while loop.The objective is to plot…

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Help me with Threading in this code. I am unable to figure out how to use threading in this

clear_output()

Ipywidgets not interacting in “while True” loop

Ipywidgets not interacting in "while True" loop