added stderr for error messages, config parser, sample configuration file. STILL A WIP. THE PROGRAM WILL JUST SPIT OUT THE EVENTS AND NOT ACTUALLY USE YOUR DEFINED EVENTS.

src/swhkd.py

@@ -1,38 +1,32 @@
 #!/usr/bin/python3
-
 import asyncio
 import getpass
 import grp
+import os
 import pwd
 import signal
 import sys
 
 from utils.log import LOG_UTILS
 from utils.input import INPUT_UTILS
+from utils.config import CONFIG_PARSER
 
 
 class SWHKD:
-    """ 
-    Main Class.
-    """
     def __init__(self):
         signal.signal(signal.SIGINT, self.signalhandler)
         signal.signal(signal.SIGTERM, self.signalhandler)
         self.log_util = LOG_UTILS()
         self.input_util = INPUT_UTILS()
         self.user = getpass.getuser()
+        self.config_parser = CONFIG_PARSER()
 
     def signalhandler(self,sig,frame):
-        """
-        Signal handler for SIGINT and SIGTERM.
-        """
         print('\033[1;31mEXIT: Quitting SWHKD.\033[0m')
         sys.exit(0)
 
     async def run_swhkd(self):
-        """
-        Runner class.
-        """
+        # Permission check
         groups = [g.gr_name for g in grp.getgrall() if self.user in g.gr_mem]
         gid = pwd.getpwnam(self.user).pw_gid
         groups.append(grp.getgrgid(gid).gr_name)
@@ -41,8 +35,20 @@ class SWHKD:
                 await self.log_util.log_warn("User is in input group, proceeding.")
                 break;
 
+        # Config parsing
+        try:
+            config = await self.config_parser.parse("{0}swhkd/config.json".format(os.environ.get("XDG_CONFIG_HOME")))
+        except FileNotFoundError:
+            try:
+                config = await self.config_parser.parse("~/.config/swhkd/config.json")
+            except FileNotFoundError:
+                await self.log_util.log_error("Failed to parse config files.")
+                sys.exit(1)
+
+        # Fetch events
         keyboards = await self.input_util.get_keyboard_devices()
         for keyboard in keyboards:
             await self.input_util.get_keyboard_events(keyboard)
 
-asyncio.run(SWHKD().run_swhkd())
+if __name__ == "__main__":
+    asyncio.run(SWHKD().run_swhkd())

src/utils/config.json

@@ -0,0 +1,14 @@
+SAMPLE JSON CONFIG 
+First XDG_CONFIG_HOME/swhkd/config.json is checked
+and then ~/.config/swhkd/config.kson
+Delete the first 4 lines before using this file.
+[
+	{
+		"combo": ["KEY_ENTER", "KEY_LEFTMETA"],
+		"action": "foot -e ranger"
+	},
+	{
+		"combo": ["KEY_ENTER", "KEY_LEFTCTRL"],
+		"action": "pcmanfm"
+	}
+]

src/utils/config.py

@@ -0,0 +1,18 @@
+#!/usr/bin/python3
+import json
+from . log import LOG_UTILS
+
+class CONFIG_PARSER:
+    def __init__(self):
+        self.LOG_UTILS = LOG_UTILS()
+
+    async def parse(self,config_file):
+        output=[]
+        with open(config_file, 'r') as file:
+            contents = json.loads(file.read())
+        for arr in contents:
+            pair=[]
+            for key, value in arr.items():
+                pair.append(value)
+            output.append(pair)
+        return output

src/utils/input.py

@@ -1,7 +1,6 @@
-#!/usr/bin/python3
-
 import glob
 import libevdev
+import os
 from . log import LOG_UTILS
 
 class INPUT_UTILS:
@@ -9,12 +8,8 @@ class INPUT_UTILS:
         self.log_util=LOG_UTILS()
 
     async def check_keyboard(self,device_path) -> bool :
-        """
-        Check if the device is a keyboard.
-        """
-        fd = open(device_path, 'rb')
-        device = libevdev.Device(fd)
-        fd.close()
+        with open(device_path, 'rb') as fd:
+            device = libevdev.Device(fd)
         if device.has(libevdev.EV_KEY.KEY_ENTER):
             await self.log_util.log_info("Device {} is a keyboard".format(device_path))
             return True
@@ -23,9 +18,6 @@ class INPUT_UTILS:
             return False
 
     async def get_keyboard_devices(self):
-        """
-        Get all keyboard devices.
-        """
         devices = glob.glob('/dev/input/event*')
         keyboards = []
         for device in devices:
@@ -34,13 +26,15 @@ class INPUT_UTILS:
                 keyboards.append(device)
         return keyboards
 
+    async def run_system_command(self,command:str) -> None:
+        os.system(f"setsid -f {command} 1>/dev/null 2>/dev/null")
+
     async def get_keyboard_events(self,device_path:str) -> None:
-        """
-        Get all device events.
-        """
         with open(device_path, 'rb') as fd:
             device = libevdev.Device(fd)
             for event in device.events():
                 if event.matches(libevdev.EV_MSC):
                     continue
-                print(event)
+                if event.matches(libevdev.EV_SYN.SYN_REPORT):
+                    continue
+                await self.log_util.log_info(event)

src/utils/log.py

@@ -1,9 +1,7 @@
+import sys
 import time
 
 class LOG_UTILS():
-    """ 
-    Helper Functions.
-    """
     def __init__(self):
         self.COLOR_RED="\033[1;31m"
         self.COLOR_GREEN="\033[1;32m"
@@ -15,7 +13,7 @@ class LOG_UTILS():
         print(f"{self.COLOR_GREEN}[{time.ctime()}] INFO:{self.COLOR_RESET} {message}")
 
     async def log_error(self, message:str):
-        print(f"{self.COLOR_RED}[{time.ctime()}] ERROR:{self.COLOR_RESET} {message}")
+        print(f"{self.COLOR_RED}[{time.ctime()}] ERROR:{self.COLOR_RESET} {message}", file=sys.stderr)
 
     async def log_warn(self, message:str):
         print(f"{self.COLOR_YELLOW}[{time.ctime()}] WARN:{self.COLOR_RESET} {message}")