Call and Run PyQGIS script by plugin

Question

I wrote a code that work well in console python, an example:

from qgis.core import QgsProject, QgsLayerTreeGroup, QgsLayerTreeLayer, QgsLayerTree
from PyQt5.QtCore import Qt, QVariant, QSettings, QTranslator, qVersion, 
QCoreApplication
from PyQt5 import QtGui
from PyQt5.QtGui import QAction, QIcon, QFileDialog, QProgressDialog, QProgressBar, QShortcut, QKeySequence
from osgeo import ogr
from shutil import copyfile
from urllib.request import urlopen
import re
import processing, glob, os, time
newLyrName1 = '1_PdR da controllare 4326'
newLyrName2 = '2_PdR attivi da controllare 4326'
#definisco il progressivo delle operazioni
m=0
n=0
#Definisco il nome dei campi da utilizzare come variabili
fieldX = 'X_COORD'
fieldY = 'Y_COORD'
m=m+1
n=0
#creo un popup che richiede una risposta
msgBOX = QtGui.QMessageBox.question(iface.mainWindow(), '',#titolo
 str(m) + " - Importare i PdR da file excel?", #messaggi
 QtGui.QMessageBox.Yes, QtGui.QMessageBox.No) #pulsanti

And I saved it in a file called "importXLS.py" stored in a folder "script". Then I built a plugin with a custom toolbar. enter image description here

Now, what I want to do is that when I press a button it call and execute a pyqgis script inside a console python but, for now, I can only open a console python but I cannot execute nothing inside it.

Answer 1

Add the following line to the imports of the plugin file.

from pathlib import Path # import section

Then use the next lines in the code that will run when the button is clicked.

python_file_path = "c:/test/importXLS.py"
exec(Path(python_file_path ).read_text())

• freecma80: Excuse me because I'm newbie... What you mean to "import section"? Above the first class? o under def __init__(self, iface):? I tried above first class, but nothin happens...
• Kadir Şahbaz: Top lines of a Python file are known as import section containing the words of import and from
• freecma80: As you suggested I added the <from pathlib import Path> in the first part of the code, before class declaration. then I wrote the code under run definition with right path. Restarting QGis it don't give me and error pressing on button, but it not start the <QtGui.QMessageBox.question> so I cannot understad if something gone wrong, what is, and where
• freecma80: Ok... now I know what's going wrong. Your code works well, but the code on the file path must have the syntax of qgis plugin. The problem is that the cose is writted for python console syntax and, because is very long and complex, I cannot translate it. So there's a way to use it as i do in python console?

Answer 2

Looking around, I found this post: How to call QgisInterface class in a plugin. It helps me having and idea: first I changed iface before call and run a script:

enter image description here

Then anytime, when the script is called and run by QGis, if on console python QGis advised me that it cannot run the script because a function is not defined:

enter image description here

I will add it at the start of the code that I call by plugin script:

enter image description here

In that way I can run python console scripts by QGis plugin.