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0dd218e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 | import tkinter as tk
import customtkinter as ctk
from llama_cpp import Llama
import threading
import os
import sys
# Set appearance and theme
ctk.set_appearance_mode("Dark")
ctk.set_default_color_theme("blue")
class LlamaChatApp(ctk.CTk):
def __init__(self, model_path):
super().__init__()
self.title("AI Chatbot - Llama-2-7B")
self.geometry("1100x750")
# Grid configuration (Sidebar + Main)
self.grid_columnconfigure(1, weight=1)
self.grid_rowconfigure(0, weight=1)
# Sidebar
self.sidebar_frame = ctk.CTkFrame(self, width=220, corner_radius=0)
self.sidebar_frame.grid(row=0, column=0, sticky="nsew")
self.sidebar_frame.grid_rowconfigure(4, weight=1)
self.logo_label = ctk.CTkLabel(self.sidebar_frame, text="🦙 Llama AI", font=ctk.CTkFont(size=22, weight="bold"))
self.logo_label.grid(row=0, column=0, padx=20, pady=(30, 20))
self.clear_button = ctk.CTkButton(
self.sidebar_frame,
text="New Chat",
command=self.clear_chat,
fg_color="#333333",
hover_color="#444444",
height=40,
font=ctk.CTkFont(weight="bold")
)
self.clear_button.grid(row=1, column=0, padx=20, pady=10, sticky="ew")
# Theme Switcher
self.theme_label = ctk.CTkLabel(self.sidebar_frame, text="Appearance:", font=ctk.CTkFont(size=11))
self.theme_label.grid(row=4, column=0, padx=20, pady=(20, 0), sticky="w")
self.theme_option = ctk.CTkOptionMenu(
self.sidebar_frame,
values=["Dark", "Light"],
command=self.change_appearance_mode,
height=30,
fg_color="#333333",
button_color="#444444"
)
self.theme_option.grid(row=5, column=0, padx=20, pady=(5, 10), sticky="ew")
self.info_label = ctk.CTkLabel(
self.sidebar_frame,
text="Model: Llama-2-7B\nFormat: GGMLv3\nType: Offline LLM",
font=ctk.CTkFont(size=11),
text_color="#888888",
justify="left"
)
self.info_label.grid(row=6, column=0, padx=20, pady=20, sticky="w")
# Main Content Area
self.main_container = ctk.CTkFrame(self, corner_radius=0, fg_color="#0f0f0f")
self.main_container.grid(row=0, column=1, sticky="nsew")
self.main_container.grid_columnconfigure(0, weight=1)
self.main_container.grid_rowconfigure(1, weight=1)
# Header in Main Area
self.header = ctk.CTkFrame(self.main_container, height=60, corner_radius=0, fg_color="#1a1a1a")
self.header.grid(row=0, column=0, sticky="ew")
self.header.grid_columnconfigure(0, weight=1)
self.title_label = ctk.CTkLabel(
self.header,
text="Chat Session",
font=ctk.CTkFont(size=18, weight="bold")
)
self.title_label.grid(row=0, column=0, pady=20)
# Chat display
self.chat_display = ctk.CTkTextbox(
self.main_container,
state="disabled",
wrap="word",
font=ctk.CTkFont(size=15),
fg_color="#0d0d0d",
border_width=0,
text_color="#e0e0e0"
)
self.chat_display.grid(row=1, column=0, padx=30, pady=(20, 10), sticky="nsew")
# Configure tags for coloring
self.chat_display.tag_config("User", foreground="#3B82F6") # Blue
self.chat_display.tag_config("Llama-2", foreground="#10B981") # Green
self.chat_display.tag_config("System", foreground="#6B7280") # Grey
# Input area container (for centered look)
self.bottom_frame = ctk.CTkFrame(self.main_container, fg_color="transparent")
self.bottom_frame.grid(row=2, column=0, padx=30, pady=(10, 20), sticky="ew")
self.bottom_frame.grid_columnconfigure(0, weight=1)
self.user_input = ctk.CTkEntry(
self.bottom_frame,
placeholder_text="Message Llama-2...",
font=ctk.CTkFont(size=14),
height=50,
border_width=1,
border_color="#333333",
corner_radius=12,
fg_color="#1a1a1a"
)
self.user_input.grid(row=0, column=0, padx=(0, 10), sticky="ew")
self.user_input.bind("<Return>", lambda e: self.send_message())
self.send_button = ctk.CTkButton(
self.bottom_frame,
text="Send",
command=self.send_message,
width=90,
height=50,
corner_radius=12,
font=ctk.CTkFont(weight="bold")
)
self.send_button.grid(row=0, column=1)
# Status indicator
self.status_container = ctk.CTkFrame(self.main_container, height=25, fg_color="transparent")
self.status_container.grid(row=3, column=0, sticky="ew", padx=30, pady=(0, 10))
self.status_dot = ctk.CTkLabel(self.status_container, text="●", font=ctk.CTkFont(size=14), text_color="#f44336")
self.status_dot.pack(side="left")
self.status_text = ctk.CTkLabel(self.status_container, text="OFFLINE", font=ctk.CTkFont(size=11, weight="bold"), text_color="#888888")
self.status_text.pack(side="left", padx=5)
# LLM Logic
self.model_path = model_path
self.llm = None
self.is_loading = True
threading.Thread(target=self.init_model, daemon=True).start()
def change_appearance_mode(self, new_mode):
ctk.set_appearance_mode(new_mode)
bg = "#0f0f0f" if new_mode == "Dark" else "#f5f5f5"
chat_bg = "#0d0d0d" if new_mode == "Dark" else "#ffffff"
text_col = "#e0e0e0" if new_mode == "Dark" else "#1a1a1a"
header_bg = "#1a1a1a" if new_mode == "Dark" else "#ebebeb"
self.main_container.configure(fg_color=bg)
self.chat_display.configure(fg_color=chat_bg, text_color=text_col)
self.header.configure(fg_color=header_bg)
def init_model(self):
try:
self.llm = Llama(model_path=self.model_path, n_ctx=2048, n_threads=4, verbose=False)
self.is_loading = False
self.after(0, self.on_model_ready)
except Exception as e:
self.after(0, lambda: self.on_model_error(str(e)))
def on_model_ready(self):
self.status_dot.configure(text_color="#4CAF50")
self.status_text.configure(text="ONLINE", text_color="#4CAF50")
self.append_message("System", "Llama-2 is ready. Ask me anything!")
def on_model_error(self, error):
self.status_text.configure(text=f"ERROR: {error}", text_color="#f44336")
self.append_message("System", "Failed to load model. Check path.")
def clear_chat(self):
self.chat_display.configure(state="normal")
self.chat_display.delete("0.0", "end")
self.chat_display.configure(state="disabled")
if not self.is_loading:
self.append_message("System", "Chat cleared. Starting new session.")
def append_message(self, sender, message):
self.chat_display.configure(state="normal")
tag = sender
if sender == "User":
display_name = "👤 YOU"
elif sender == "Llama-2":
display_name = "🦙 LLAMA-2"
else:
display_name = "⚙️ SYSTEM"
tag = "System"
self.chat_display.insert("end", f"{display_name}\n", (tag,))
self.chat_display.insert("end", f"{message}\n\n")
self.chat_display.configure(state="disabled")
self.chat_display.see("end")
def send_message(self):
if self.is_loading: return
msg = self.user_input.get().strip()
if not msg: return
self.user_input.delete(0, "end")
self.append_message("User", msg)
self.send_button.configure(state="disabled")
self.status_text.configure(text="THINKING...", text_color="#FFA726")
threading.Thread(target=self.generate_response, args=(msg,), daemon=True).start()
def generate_response(self, message):
try:
prompt = f"[INST] <<SYS>>\nYou are a helpful assistant.\n<</SYS>>\n\n{message} [/INST]"
output = self.llm(prompt, max_tokens=1024, stop=["[/INST]", "</s>"], echo=False)
response = output['choices'][0]['text'].strip()
self.after(0, lambda: self.append_message("Llama-2", response))
self.after(0, lambda: self.status_text.configure(text="ONLINE", text_color="#4CAF50"))
except Exception as e:
self.after(0, lambda: self.append_message("System", f"Error: {str(e)}"))
finally:
self.after(0, lambda: self.send_button.configure(state="normal"))
if __name__ == "__main__":
MODEL_PATH = r"C:\Users\student\Downloads\llama-2-7b-chat.ggmlv3.q2_K.bin"
if not os.path.exists(MODEL_PATH):
print(f"Error: Model not found at {MODEL_PATH}")
sys.exit(1)
app = LlamaChatApp(MODEL_PATH)
app.mainloop()
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