On 23/08/2020 19:31, Rob Cliffe via Python-list wrote:
On WIndows 10, running Python programs in a DOS box, I would like one
Python program to chain to another. I.e. the first program to be
replaced by the second (*not* waiting for the second to finish, as with
e.g. os.system). This doesn't seem a lot to ask, but so far I have been
unable to so this. I am using Python 3.8.3. Some attempts so far (may
be nonsensical):
What is the definition of "finish" in the first program?
Not sure if have understood <<<(*not* waiting for the second to finish,
as with e.g. os.system)>>>.
In Python, the easiest way to chain two "modules" is to use import. This
gives full control to the 'import-er'.
ATTEMPT #1
----------------
# File X1.py
import os
print("This is X1")
os.execl('C:\\Python38\\python.exe', 'X2.py')
# File X2.py
print("This is X2")
# File X1.py
import os
def fn():
print("This is X1")
os.execl('C:\\Python38\\python.exe', 'X2.py')
# !!!!!
# File X2.py
def fn():
print("This is X2")
# File x3.py
import x1
import x2
x1.fn()
x2.fn()
print( "x3 terminating" )
--
Regards =dn
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