refactor: revert to [c] to copy. handle circular import

gptme/clipboard.py

@@ -1,7 +1,6 @@
 import platform
 import subprocess
 
-from .util import get_installed_programs
 
 text = ""
 
@@ -13,6 +12,8 @@ def set_copytext(new_text: str):
 
 def copy() -> bool:
     """return True if successful"""
+    from .util import get_installed_programs
+
     global text
     if platform.system() == "Linux":
         # check if xclip or wl-clipboard is installed

gptme/util.py

@@ -6,7 +6,6 @@
 import functools
 import re
 import sys
-import tty
 import termios
 import textwrap
 from datetime import datetime, timedelta
@@ -341,6 +340,7 @@ def path_with_tilde(path: Path) -> str:
         return path_str.replace(home, "~", 1)
     return path_str
 
+
 def get_system_distro() -> str:
     """Get the system distribution name."""
     regex = re.compile(r"^NAME=\"?([^\"]+)\"?")
@@ -360,15 +360,3 @@ def get_installed_programs(candidates: tuple[str, ...]) -> set[str]:
         if shutil.which(candidate) is not None:
             installed.add(candidate)
     return installed
-
-def listen_for_character():
-    fd = sys.stdin.fileno()
-    old_settings = termios.tcgetattr(fd)
-    try:
-        tty.setraw(sys.stdin.fileno())
-        ch = sys.stdin.read(1)
-    except KeyboardInterrupt:
-        ch = "\x03"  # ASCII code for Ctrl+C
-    finally:
-        termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
-    return ch