setup.py: add 'gui' extra. potentially build Qt icons files

setup.py

@@ -2,12 +2,15 @@
 
 # python setup.py sdist --format=zip,gztar
 
-from setuptools import setup, find_packages
 import os
 import sys
 import platform
 import imp
 import argparse
+import subprocess
+
+from setuptools import setup, find_packages
+from setuptools.command.install import install
 
 with open('contrib/requirements/requirements.txt') as f:
  requirements = f.read().splitlines()
@@ -43,8 +46,26 @@
 extras_require = {
  'hardware': requirements_hw,
  'fast': ['pycryptodomex'],
+ 'gui': ['pyqt5'],
 }
-extras_require['full'] = extras_require['hardware'] + extras_require['fast']
+extras_require['full'] = [pkg for sublist in list(extras_require.values()) for pkg in sublist]
+
+
+class CustomInstallCommand(install):
+ def run(self):
+ install.run(self)
+ # potentially build Qt icons file
+ try:
+ import PyQt5
+ except ImportError:
+ pass
+ else:
+ try:
+ path = os.path.join(self.install_lib, "electrum/gui/qt/icons_rc.py")
+ if not os.path.exists(path):
+ subprocess.call(["pyrcc5", "icons.qrc", "-o", path])
+ except Exception as e:
+ print('Warning: building icons file failed with {}'.format(e))
 
 
 setup(
@@ -75,5 +96,8 @@
  author_email="[email protected]",
  license="MIT Licence",
  url="https://electrum.org",
- long_description="""Lightweight Bitcoin Wallet"""
+ long_description="""Lightweight Bitcoin Wallet""",
+ cmdclass={
+ 'install': CustomInstallCommand,
+ },
 )