alright now we're gettin crazy

config.ini

@@ -0,0 +1,13 @@
+[home]
+dirs=
+    .vim/ftplugin
+    .vim/pack
+
+files=
+    .bash_profile
+    .bashrc
+    .screenrc
+    .tmux.conf
+    .vimrc
+    .config/htop/htoprc
+    .config/lazydocker/config.yml

install

@@ -2,6 +2,5 @@
 """
 installs preferences
 """
-from installer import Installer
+from installer import install
-installer = Installer.from_cli_args()
+install()
-installer.run()

installer/__init__.py

@@ -4,50 +4,31 @@ just exists to define our installer
 
 import argparse
 import json
-import logging
 import os
 import pathlib
 import platform
 import subprocess
 import shutil
-
 from functools import cached_property
 
-class Installer:
+from installer import host
+from installer.options import Options
+from installer import log
+
+def install():
     """
-    manages the installation of preferences files
+    runs our install process based on cli arguments
     """
-    def __init__(self, quiet=False, verbose=False):
+    installer = Installer()
-        log_level = logging.INFO
+    installer.run()
-        if verbose:
-            log_level = logging.DEBUG
-        if quiet:
-            log_level = logging.ERROR
-        logging.basicConfig(level=log_level, format='')
-        self.log = logging.getLogger('install')
-        self.config_path = "include.json"
 
-    @classmethod
+class Installer:
-    def from_cli_args(cls):
     """
-        builds an installer from CLI arguments
+    manages the installation of preferences files
     """
-        args = cls.parse_cli()
+    def __init__(self):
-        installer = cls(quiet=args.quiet, verbose=args.verbose)
+        self.options = Options.from_cli_args()
-        return installer
+        self.config_path = "include.json"
-
-    @classmethod
-    def parse_cli(cls):
-        """
-        parses our cli arguments
-        """
-        parser = argparse.ArgumentParser(
-                prog = 'install',
-                description = 'installs my preferences',
-                epilog = 'this should work on a bunch of different environments')
-        parser.add_argument('-v', '--verbose', action='store_true')
-        parser.add_argument('-q', '--quiet', action='store_true')
-        return parser.parse_args()
 
     def run(self):
         """
@@ -61,34 +42,34 @@ class Installer:
         """
         installs a given file
         """
-        self.log.debug("install: %s", name)
+        log.debug("install: %s", name)
 
         source_path = self.prefs_dir / name
-        self.log.debug("  source: %s", source_path)
+        log.debug("  source: %s", source_path)
         if not source_path.exists():
-            self.log.warning("home file source path %s does not exist", source_path)
+            log.warning("home file source path %s does not exist", source_path)
             return
 
         if not source_path.is_file():
-            self.log.warning("home file source path %s is not a file", source_path)
+            log.warning("home file source path %s is not a file", source_path)
             return
 
-        if self.is_linux:
+        if host.is_linux:
             target_path = pathlib.Path.home() / name
-            self.log.debug("  target: %s", target_path)
+            log.debug("  target: %s", target_path)
             if target_path.exists():
-                self.log.debug("    target path exists, will remove")
+                log.debug("    target path exists, will remove")
                 target_path.unlink()
-            self.log.debug("    link: %s -> %s", target_path, source_path)
+            log.debug("    link: %s -> %s", target_path, source_path)
             target_path.symlink_to(source_path)
 
-        if self.is_wsl:
+        if host.is_wsl:
             target_path = self.windows_home_dir / pathlib.PureWindowsPath(name)
-            self.log.debug("  target: %s", target_path)
+            log.debug("  target: %s", target_path)
             if target_path.exists():
-                self.log.debug("    target path exists, will remove")
+                log.debug("    target path exists, will remove")
                 target_path.unlink()
-            self.log.debug("    copy: %s -> %s", source_path, target_path)
+            log.debug("    copy: %s -> %s", source_path, target_path)
             shutil.copy(source_path, target_path)
 
     @cached_property
@@ -97,7 +78,7 @@ class Installer:
         loads the json configuration
         """
         with open(self.config_path, 'r', encoding='utf-8') as config_fp:
-            self.log.debug("loading config from path %s", self.config_path)
+            log.debug("loading config from path %s", self.config_path)
             return json.load(config_fp)
 
     @property
@@ -108,22 +89,6 @@ class Installer:
         here = pathlib.Path(os.path.realpath(__file__))
         return here.parent.parent
 
-    @classmethod
-    @cached_property
-    def is_linux(cls):
-        """
-        true if we're on linux (including WSL), false otherwise
-        """
-        return platform.system() == 'Linux'
-
-    @classmethod
-    @cached_property
-    def is_wsl(cls):
-        """
-        true if we're running Linux on WSL
-        """
-        return 'WSL2' in platform.platform()
-
     @cached_property
     def windows_home_dir(self):
         """
@@ -131,7 +96,7 @@ class Installer:
         returns it as a Posix path representing its mount point from the
         perspective of WSL.
         """
-        if not self.is_wsl:
+        if not host.is_wsl:
             raise Exception("cannot get windows home dir from anything other than wsl")
         res = subprocess.run(['wslvar', 'USERPROFILE'], check=False,
                 capture_output=True)

installer/host.py

@@ -0,0 +1,29 @@
+"""
+host module represents our host: the machine on which the installer script is
+running. On WSL, that means we're on Linux
+"""
+
+import sys
+import platform
+from functools import cached_property
+
+class _Host:
+    """
+    hacking the python module system a little to make the module look like a
+    singleton object so that it can have properties
+    """
+    @cached_property
+    def is_wsl(self):
+        """
+        true if we're running Linux on WSL
+        """
+        return 'WSL2' in platform.platform()
+
+    @cached_property
+    def is_linux(self):
+        """
+        true if we're on linux (including WSL), false otherwise
+        """
+        return platform.system() == 'Linux'
+
+sys.modules[__name__] = _Host()

installer/log.py

@@ -0,0 +1,19 @@
+"""
+a logging object
+"""
+
+import logging
+import sys
+
+class _Log:
+    def __init__(self):
+        logging.basicConfig(level=logging.INFO, format='')
+        self._target = logging.getLogger()
+
+    def __getattr__(self, name):
+        return getattr(self._target, name)
+
+    def __dir__(self):
+        return dir(self._target)
+
+sys.modules[__name__] = _Log()

installer/options.py

@@ -0,0 +1,67 @@
+"""
+cli options
+"""
+
+import argparse
+
+from installer import log
+
+class Options:
+    """
+    turns the cli arguments into an object with nice fields and the like
+    """
+    @classmethod
+    def from_cli_args(cls):
+        """
+        creates an options object by parsing the command-line
+        """
+        parser = argparse.ArgumentParser(
+                prog = 'install',
+                description = """
+                installs preferences files. This is designed to work on a bunch
+                of different systems, and can manage Windows preferences from
+                WSL.
+                """)
+        parser.add_argument('-v', '--verbose', action='store_true')
+        parser.add_argument('-q', '--quiet', action='store_true')
+        parser.add_argument('-c', '--config', default='config.ini',
+                help="path to config file",
+                metavar='config.ini',
+                type=argparse.FileType('r', encoding='utf-8'))
+        options = cls()
+        parser.parse_args(namespace=options)
+
+        if options.quiet:
+            log.setLevel(50)
+
+        if options.verbose:
+            log.setLevel(10)
+
+        return options
+
+    @property
+    def quiet(self):
+        # pylint: disable=missing-function-docstring
+        return self._quiet
+
+    @quiet.setter
+    def quiet(self, val):
+        self._quiet = val
+
+    @property
+    def verbose(self):
+        # pylint: disable=missing-function-docstring
+        return self._verbose and not self._quiet
+
+    @verbose.setter
+    def verbose(self, val):
+        self._verbose = val
+
+    @property
+    def config(self):
+        # pylint: disable=missing-function-docstring
+        return self._config
+
+    @config.setter
+    def config(self, val):
+        self._config = val

installer/pylintrc

@@ -0,0 +1,4 @@
+[MAIN]
+
+disable=
+    no-member,

installer/targets.py

@@ -0,0 +1,3 @@
+"""
+defines target classes: the places where things should be written
+"""