add xonsh addins

.xonshrc

@@ -4,6 +4,14 @@ $XONSH_COLOR_STYLE = 'fruity'
 xontrib load apt_tabcomplete argcomplete autovox jedi z
 # XONSH WEBCONFIG END
 
+# path stuff
+
+import sys
+sys.path.insert(0, '')
+sys.path.append(Path("~/addins").resolve())
+
+import addins
+
 # debug
 def _debug():
 	if $XONSH_SHOW_TRACEBACK:
@@ -31,3 +39,6 @@ aliases['bwc'] = _bwc
 # dots
 
 aliases['config'] = '/usr/bin/git --git-dir=$HOME/.cfg/ --work-tree=$HOME'
+
+# ls
+aliases['ls'] = 'ls -alhs --color=auto'

addins/__init__.py

@@ -0,0 +1,4 @@
+from .version import *
+from .package import *
+
+__all__ = ['Version', 'Package']

addins/package.xsh

@@ -0,0 +1,40 @@
+from .version import Version
+v = Version()
+
+class Package:
+	def __init__(self, name, source):
+		self.name = name
+		self.source = source
+		self._installed = None
+
+	@property
+	def installed(self):
+		self._installed = self._get_installed()
+		return self._installed
+
+	def _get_installed(self) -> bool:
+		if self.source == 'apt':
+			if !(dpkg -s @(self.name)).returncode == 0:
+				return True
+			else:
+				return False
+		if self.source == 'npm':
+			if !(npm list -g @(self.name)).returncode == 0:
+				return True
+			else:
+				return False
+		else:
+			return None
+
+	def install(self):
+		if self.installed:	
+			print(f"package '{self.name}' already installed.")
+			return
+		elif self.source == 'apt':
+			$(sudo apt-get install -qq --yes @(self.name))
+		elif self.source == 'npm':
+			$(npm install -g @(self.name))
+		elif self.source == 'pacman':
+			$(pacman -Syu @(self.name))
+		else:
+			print(f"unsupported package manager '{source}'.")

addins/version.xsh

@@ -0,0 +1,21 @@
+from pathlib import Path
+
+__all__ = ['Version']
+
+class Version:
+    def __init__(self):
+        data = self._load_dict()
+        for key, value in data.items():
+            setattr(self, key.lower(), value)
+        if hasattr(self, "id_like"):  # special handling for ID_LIKE
+            self.id_like = self.id_like.split()
+
+    def _load_dict(self):
+        data = {}
+        os_files = Path('/etc').glob("*-release")
+        for i in os_files:
+            with i.open() as f:
+                for line in f:
+                    line = line.split("=")
+                    data[line[0]] = line[1].strip().replace('"', '')
+        return data