data from multiple Entry widgets

[bowlofred]

I thought that was most of what you had done in your first post. You created (and stored) the widgets in an array (I assume you're using pandas or such).

xxx[a,b,c] = Entry(root, bg="white",fg="black", width=7,relief=SUNKEN).grid(row=p_row,column=p_col+1)

Then in your loops it looks like you try to retrieve the data, but you don't do anything with it. It's like a line that says 2+4. It turns into 6, but then is thrown away.

for a in range(8):
          for b in range(4):
            for c in range(5):
               xxx[a,b,c].get()
    print(xxx)

Perhaps instead you could change the "get" line above to something like:

data = xxx[a,b,c].get()
print(f"Widget {a},{b},{c} has data {data}")

Then when the loop is run, you can see all the data (or make use of it in some way).

[beevee]

I thought that was most of what you had done in your first post. You created (and stored) the widgets in an array (I assume you're using pandas or such).

xxx[a,b,c] = Entry(root, bg="white",fg="black", width=7,relief=SUNKEN).grid(row=p_row,column=p_col+1)

Then in your loops it looks like you try to retrieve the data, but you don't do anything with it. It's like a line that says 2+4. It turns into 6, but then is thrown away.

for a in range(8):
          for b in range(4):
            for c in range(5):
               xxx[a,b,c].get()
    print(xxx)

Perhaps instead you could change the "get" line above to something like:

data = xxx[a,b,c].get()
print(f"Widget {a},{b},{c} has data {data}")

Then when the loop is run, you can see all the data (or make use of it in some way).

This doesn't work.

data = xxx[a,b,c].get()

I get the error: AttributeError: 'numpy.float64' object has no attribute 'get'

I tried

data[a,b,c]=xxx[a,b,c].get()

data=xxx[a,b,c].get()

where data is an array[8,4,5]
I tried where data is a single variable. All of them gave the same error.

[bowlofred]

Ah, true. (I don't use numpy arrays much and will tend to miss things). It's possible to create arrays that hold objects, but it's harder. A dictionary could work, but you don't get the nice indexing. Just as an attempt though, maybe something like:

# store the widget in a dict, with a tuple key for indexing
xxx = {}
# whatever loop you had over a, b, and c...
    xxx[(a,b,c)] = Entry(root, bg="white",fg="black", width=7,relief=SUNKEN).grid(row=p_row,column=p_col+1)


# retrieve the widgets:
for a in range(8):
          for b in range(4):
            for c in range(5):
               data = xxx[(a,b,c)].get()
               print(f"Widget {a},{b},{c} has data {data}")

Otherwise if you want the array to hold a python object, try initializing it with dtype=object.

[deanhystad]

Neat idea with using a tuple as key.

As you mentioned you can initialize a Numpy array to hold objects.

import numpy
from tkinter import *

root = Tk()
xxx = numpy.empty((2, 2, 2), dtype=object)
xxx[0, 0, 0] = Entry(root)
xxx[0, 0, 0].place
print(xxx)
mainloop

Output:
[[<tkinter.Entry object .!entry> None]
 [None None]]