CLI: Add development mode support

Hide development specific options and don't require dev modules unless
`user.developer` is set to `True`.

bin/qmk

@@ -4,15 +4,23 @@
 import os
 import sys
 from importlib.util import find_spec
+from time import strftime
+from pathlib import Path
 
 # Add the QMK python libs to our path
-script_dir = os.path.dirname(os.path.realpath(__file__))
-qmk_dir = os.path.abspath(os.path.join(script_dir, '..'))
-python_lib_dir = os.path.abspath(os.path.join(qmk_dir, 'lib', 'python'))
-sys.path.append(python_lib_dir)
+script_dir = Path(os.path.realpath(__file__)).parent
+qmk_dir = script_dir.parent
+python_lib_dir = Path(qmk_dir / 'lib' / 'python').resolve()
+sys.path.append(str(python_lib_dir))
 
-# Make sure our modules have been setup
-with open(os.path.join(qmk_dir, 'requirements.txt'), 'r') as fd:
+# QMK CLI user config file
+config_file = Path(Path.home() / '.config/qmk/qmk.ini')
+
+
+def _check_modules(requirements):
+    """ Check if the modules in the given requirements.txt are available.
+    """
+    with Path(qmk_dir / requirements).open() as fd:
         for line in fd.readlines():
             line = line.strip().replace('<', '=').replace('>', '=')
 
@@ -22,17 +30,33 @@ with open(os.path.join(qmk_dir, 'requirements.txt'), 'r') as fd:
             if '#' in line:
                 line = line.split('#')[0]
 
-        module = line.split('=')[0] if '=' in line else line
+            module = dict()
+            module['name'] = module['import'] = line.split('=')[0] if '=' in line else line
 
-        if module in ['pep8-naming']:
             # Not every module is importable by its own name.
-            continue
+            if module['name'] == "pep8-naming":
+                module['import'] = "pep8ext_naming"
 
-        if not find_spec(module):
-            print('Could not find module %s!', module)
+            if not find_spec(module['import']):
+                print('Could not find module %s!' % module['name'])
+                if developer:
+                    print('Please run `pip3 install -r requirements-dev.txt` to install the python development dependencies or turn off developer mode with `qmk config user.developer=None`.')
+                    print()
+                else:
                     print('Please run `pip3 install -r requirements.txt` to install the python dependencies.')
+                    print()
                     exit(255)
 
+
+developer = False
+# Make sure our modules have been setup
+_check_modules('requirements.txt')
+
+# For developers additional modules are needed
+if config_file.exists() and 'developer = True' in config_file.read_text():
+    developer = True
+    _check_modules('requirements-dev.txt')
+
 # Setup the CLI
 import milc  # noqa
 

lib/python/qmk/cli/hello.py

@@ -6,7 +6,7 @@ from milc import cli
 
 
 @cli.argument('-n', '--name', default='World', help='Name to greet.')
-@cli.subcommand('QMK Hello World.')
+@cli.subcommand('QMK Hello World.', hidden=False if cli.config.user.developer else True)
 def hello(cli):
     """Log a friendly greeting.
     """

lib/python/qmk/cli/pyformat.py

@@ -5,7 +5,7 @@ from milc import cli
 import subprocess
 
 
-@cli.subcommand("Format python code according to QMK's style.")
+@cli.subcommand("Format python code according to QMK's style.", hidden=False if cli.config.user.developer else True)
 def pyformat(cli):
     """Format python code according to QMK's style.
     """

lib/python/qmk/cli/pytest.py

@@ -7,7 +7,7 @@ import subprocess
 from milc import cli
 
 
-@cli.subcommand('QMK Python Unit Tests')
+@cli.subcommand('QMK Python Unit Tests', hidden=False if cli.config.user.developer else True)
 def pytest(cli):
     """Run several linting/testing commands.
     """

requirements-dev.txt

@@ -0,0 +1,4 @@
+# Python development requirements
+nose2
+flake8
+pep8-naming

requirements.txt

@@ -4,6 +4,3 @@ appdirs
 argcomplete
 colorama
 hjson
-nose2
-flake8
-pep8-naming