howto do tk with python without tkinter : a wall clock in python + tcl/tk

wall_clock.py

#!/usr/bin/env python
from subprocess import Popen, PIPE
from time import sleep, time, localtime

# let's talk to tk/tcl directly through p.stdin
p = Popen(['wish'], stdin=PIPE)

def puts(s):
    for l in s.split("\n"):
        p.stdin.write((l + "\n").encode())
        p.stdin.flush()

WIDTH=HEIGHT=400

puts(f"""
canvas .c -width {WIDTH} -height {HEIGHT}
pack .c
""")

# Constant are CAPitalized in python by convention
from cmath import  pi as PI, e as E
ORIG=complex(WIDTH/2, HEIGHT/2)

# correcting python notations j => I  
I = complex("j")
rad_per_sec = 2.0 * PI /60.0
rad_per_min = rad_per_sec / 60
rad_per_hour = rad_per_min / 12

origin_vector_hand = WIDTH/2 *  I

size_of_sec_hand = .9
size_of_min_hand = .8
size_of_hour_hand = .65

rot_sec = lambda sec : -E ** (I * sec * rad_per_sec )
rot_min = lambda min : -E ** (I *  min * rad_per_min )
rot_hour = lambda hour : -E ** (I * hour * rad_per_hour )

to_real = lambda c1,c2 : "%f %f %f %f" % (c1.real, c1.imag, c2.real, c2.imag)
for n in range(60):
   direction= origin_vector_hand * rot_sec(n)
   puts(f".c create line {to_real(ORIG+ .90* direction, ORIG+ .95 * direction)}")

diff_offset_in_sec = (time() % (24*3600)) - \
    localtime()[3]*3600 -localtime()[4] * 60.0 \
    - localtime()[5] 
n=0
while True:
    n+=1
    t = time()
    s= t%60
    m = m_in_sec = t%(60 * 60)
    h = h_in_sec = (t- diff_offset_in_sec)%(24*60*60)
    puts(".c delete second")
    puts(".c delete minute")
    puts(".c delete hour")
    c0=ORIG+ -.1 * origin_vector_hand * rot_sec(s)
    c1=ORIG+ size_of_sec_hand * origin_vector_hand * rot_sec(s)
    puts( f".c create line {to_real(c0, c1)} -tag second -fill blue -smooth true")
    c1=ORIG+size_of_min_hand * origin_vector_hand * rot_min(m)
    puts(f".c create line {to_real(ORIG, c1)} -tag minute -fill green -smooth true")
    c1=ORIG+size_of_hour_hand * origin_vector_hand * rot_hour(h)
    puts(f".c create line {to_real(ORIG, c1)} -tag hour -fill red -smooth true")
    sleep(.1)
    n=n%100