Check app version on startup

README.md

@@ -171,11 +171,9 @@ You may also need libraries:
 
 What's new in future v0.9.0:
 
-- CalculiX 2.17.1. Linux version of CGX has 'cmap' command and [custom colormaps](https://github.com/calculix/cgx/releases/tag/v2.17.cmap): classic, viridis, inferno and turbo.
-- Switch colormaps from menu CGX.
+- CalculiX 2.17.1. Linux version of CGX has 'cmap' command and [custom colormaps](https://github.com/calculix/cgx/releases/tag/v2.17.cmap): classic, viridis, inferno and turbo. Switch colormaps from menu CGX.
 - Significantly improved INP importer algorithm. Now parser supports keyword line continuation. Tested on over 20 000 INP files, including Abaqus models.
-- Dependencies are automatically installed and tested on startup.
-- Python version and OS name are checked at startup.
+- New checker module. Checks are called on the application start. OS name, Python version, CAE version and default web browser are logged. Requirements are installed automatically via pip.
 - Significantly improved window connectivity (master/slave).
 - Improved robustness - now almost all python modules have a test method.
 - Refactored logging system. Now it is a new dedicated module.
@@ -220,7 +218,6 @@ Importer:
 - Open .fbd/.fbl and forward to CGX. Then import generated model.
 
 Logging and tests:
-- Log app version on startup.
 - 'Debug' menu to test each module.
 
 Other:

config/version.txt

@@ -0,0 +1,2 @@
+# Do not edit
+0.9.0 dev

src/checks.py

@@ -4,8 +4,9 @@
 """© Ihor Mirzov, 2019-2021
 Distributed under GNU General Public License v3.0
 
-Utilities to test user's system configuration.
-Is called on the application startup.
+Utilities to test user's system configuration. Checks are called on the
+application start. OS name, Python version, app. version, default web
+browser are logged. Requirements are installed automatically via pip.
 
 Run test: Ctrl+F5 from VSCode.
 """
@@ -15,12 +16,12 @@
 import os
 import sys
 import logging
-import importlib
 import subprocess
 import webbrowser
 
 # My modules
 import tests
+import path
 import log
 
 
@@ -55,6 +56,20 @@ def check_python():
             msg = 'Python version is {}.{}.{}.'.format(*v1)
             logging.info(msg)
 
+    @staticmethod
+    def check_app_version():
+        lines = []
+        with open(path.p.version_txt, 'r') as f:
+            lines = f.readlines()
+        for l in lines:
+            l = l.strip()
+            if l.startswith('#'):
+                continue
+            if not len(l):
+                continue
+            logging.info('CAE version is ' + l + '.')
+            return
+
     @staticmethod
     def check_default_web_browser():
         """Get default web browser."""
@@ -107,9 +122,12 @@ def check_required_package(name):
     def install_package(name, prefix=''):
         """Automatically install package."""
         try:
-            logging.info('Installing ' + name + '...')
-            cmd = [sys.executable, '-m', 'pip', prefix + 'install', name]
-            # subprocess.check_call(cmd)
+            if 'un' in prefix:
+                logging.info('Removing ' + name + '...')
+                cmd = [sys.executable, '-m', 'pip', prefix + 'install', name, '-y']
+            else:
+                logging.info('Installing ' + name + '...')
+                cmd = [sys.executable, '-m', 'pip', prefix + 'install', name]
             msg = subprocess.check_output(cmd)
             msg = msg.decode().rstrip()
             logging.info(msg)
@@ -133,6 +151,7 @@ def check_all():
         log.print_to_file(log_file, 'STARTUP TESTS\n')
         Checks.check_os()
         Checks.check_python()
+        Checks.check_app_version()
         Checks.check_default_web_browser()
         Checks.check_requirements() # containts SystemExit
 
@@ -157,5 +176,6 @@ def test():
     Checks.check_package('qwe')
     Checks.check_required_package('rty')
 
+
 if __name__ == '__main__':
     test() # run test

src/model/job.py

@@ -51,7 +51,7 @@ def copy_checks_log_contents_to(job_logfile):
         lines = f.readlines()
     with open(job_logfile, 'w') as f:
         f.writelines(lines)
-        f.write('\nAPPLICATION START\n')
+        f.write('\nAPPLICATION START\n\n')
     # os.remove(checks_log)
 
 

src/path.py

@@ -37,6 +37,7 @@ def __init__(self):
         self.kom_xml = os.path.join(self.config, 'kom.xml')
         self.settings_xml = os.path.join(self.config, 'SettingsDialog.xml')
         self.dialog_xml = os.path.join(self.config, 'KeywordDialog.xml')
+        self.version_txt = os.path.join(self.config, 'version.txt')
 
         self.bin = os.path.join(self.app_home_dir, 'bin')
         self.ccx = os.path.join(self.app_home_dir, 'ccx_' + self.op_sys, 'src')