initial commit

.gitignore

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+# pycharm project files
+.idea
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/

build_script.txt

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+rm -r venv
+python3 -m venv venv
+. venv/bin/activate
+python3 -m pip install -r requirements_dev.txt
+python3 -m pip install -r requirements.txt
+
+pyinstaller --onefile main.py --add-data ui:ui

main.py

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+import mainwindow
+from PyQt5 import QtCore, QtGui, QtWidgets, uic
+import signal
+import sys
+
+
+def sigint_handler():
+    """Handler for the SIGINT signal."""
+    sys.stderr.write('\r')
+    QtWidgets.QApplication.quit()
+
+
+if __name__ == "__main__":
+    signal.signal(signal.SIGINT, sigint_handler)
+
+    app = QtWidgets.QApplication(sys.argv)
+
+    mw = mainwindow.MainWindow()
+    mw.show()
+
+    app.exec()

mainwindow.py

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+import os.path
+from PyQt5 import QtCore, QtGui, QtWidgets, uic
+import utils
+
+
+class MainWindow(QtWidgets.QMainWindow):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        uic.loadUi(utils.get_file("ui/mainwindow.ui"), self)
+
+        def showEvent(self, event: QtGui.QShowEvent):
+            pass

requirements.txt

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+PyQt5>=5.15.4
+SQLAlchemy>=1.4.25
+psycopg2>=2.9.1

requirements_dev.txt

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+pyinstaller
+wheel

ui/mainwindow.ui

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+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <widget class="QLabel" name="label">
+    <property name="geometry">
+     <rect>
+      <x>200</x>
+      <y>90</y>
+      <width>351</width>
+      <height>151</height>
+     </rect>
+    </property>
+    <property name="font">
+     <font>
+      <pointsize>40</pointsize>
+     </font>
+    </property>
+    <property name="text">
+     <string>Hello World</string>
+    </property>
+   </widget>
+  </widget>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>800</width>
+     <height>30</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

utils.py

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+import os.path
+import sys
+
+
+def get_base_dir():
+    if getattr(sys, 'frozen', None):
+        return sys._MEIPASS
+    else:
+        return os.path.dirname(os.path.abspath(__file__))
+
+
+def get_file(file: str):
+    return os.path.normpath(os.path.join(get_base_dir(), file))