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d0c8d86 | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 | """
Style Model Module
Handles caption styling using Groq API with fallback mechanisms.
Applies different writing styles to generated captions.
"""
import time
from typing import Optional
from groq import Groq
import requests
from config import groq_config, style_config
class StyleModelError(Exception):
"""Custom exception for style model errors"""
pass
class StyleModel:
"""
Caption styling using Groq LLM API
Features:
- Multiple style options
- Automatic retry logic
- Fallback to rule-based styling
- Rate limiting handling
"""
def __init__(self, api_key: Optional[str] = None):
"""
Initialize style model
Args:
api_key: Groq API key (uses config if not provided)
"""
self.api_key = api_key or groq_config.API_KEY
self.model_name = groq_config.MODEL_NAME
self.max_tokens = groq_config.MAX_TOKENS
self.temperature = groq_config.TEMPERATURE
self.timeout = groq_config.TIMEOUT_SECONDS
# Initialize Groq client
if self.api_key:
try:
self.client = Groq(
api_key=self.api_key
)
self._api_available = True
_ = self.client.models.list()
except Exception as e:
print(f"Warning: Groq client initialization failed: {e}")
print(f"Attempting alternative initialization...")
try:
# Alternative: Create client without extra params
import groq
self.client = groq.Client(api_key=self.api_key)
self._api_available = True
except Exception as e2:
print(f"Alternative initialization also failed: {e2}")
self.client = None
self._api_available = False
else:
print("Warning: No Groq API key provided")
self.client = None
self._api_available = False
# Retry configuration
self.max_retries = groq_config.MAX_RETRIES
self.retry_delay = groq_config.RETRY_DELAY_SECONDS
def style_caption(
self,
caption: str,
style: str = "Professional"
) -> str:
"""
Apply style to caption
Args:
caption: Original caption
style: Style to apply
Returns:
str: Styled caption
"""
# If "None" style or no API, return original
if style == "None" or not self._api_available:
if style != "None":
# Use fallback styling if API unavailable
return self._fallback_style(caption, style)
return caption
# Try API styling with retries
for attempt in range(self.max_retries):
try:
styled_caption = self._style_with_api(caption, style)
return styled_caption
except Exception as e:
print(f"API styling attempt {attempt + 1} failed: {e}")
# If last attempt, use fallback
if attempt == self.max_retries - 1:
print(f"Using fallback styling for: {style}")
return self._fallback_style(caption, style)
# Wait before retry
time.sleep(self.retry_delay)
# Fallback if all retries failed
return self._fallback_style(caption, style)
def _style_with_api(self, caption: str, style: str) -> str:
"""
Style caption using Groq API
Args:
caption: Original caption
style: Style to apply
Returns:
str: Styled caption
Raises:
StyleModelError: If API call fails
"""
if not self._api_available:
raise StyleModelError("API not available")
# Get style prompt
style_prompt = style_config.STYLES.get(
style,
style_config.STYLES[style_config.DEFAULT_STYLE]
)
# Construct messages
messages = [
{
"role": "system",
"content": "You are an expert at rewriting image captions in different styles. Keep the core meaning but adapt the tone and style as requested. Be concise."
},
{
"role": "user",
"content": f"{style_prompt}\n\nOriginal caption: {caption}\n\nStyled caption:"
}
]
try:
# Make API call
response = self.client.chat.completions.create(
model=self.model_name,
messages=messages,
max_tokens=self.max_tokens,
temperature=self.temperature,
top_p=groq_config.TOP_P,
timeout=self.timeout
)
# Extract styled caption
styled_caption = response.choices[0].message.content.strip()
# Clean up common artifacts
styled_caption = self._clean_response(styled_caption)
return styled_caption
except requests.exceptions.Timeout:
raise StyleModelError("API request timed out")
except requests.exceptions.RequestException as e:
raise StyleModelError(f"API request failed: {e}")
except Exception as e:
raise StyleModelError(f"Unexpected error: {e}")
def _fallback_style(self, caption: str, style: str) -> str:
"""
Apply rule-based styling as fallback
Args:
caption: Original caption
style: Style to apply
Returns:
str: Styled caption using templates
"""
template = style_config.FALLBACK_TEMPLATES.get(
style,
style_config.FALLBACK_TEMPLATES["Professional"]
)
return template.format(caption=caption)
def _clean_response(self, text: str) -> str:
"""
Clean up API response
Args:
text: Raw response text
Returns:
str: Cleaned text
"""
# Remove common prefixes
prefixes = [
"Styled caption:",
"Caption:",
"Here's the styled caption:",
"Here is the caption:",
]
for prefix in prefixes:
if text.lower().startswith(prefix.lower()):
text = text[len(prefix):].strip()
# Remove quotes if the entire text is quoted
if (text.startswith('"') and text.endswith('"')) or \
(text.startswith("'") and text.endswith("'")):
text = text[1:-1]
return text.strip()
def batch_style_captions(
self,
captions: dict,
style: str = "Professional"
) -> dict:
"""
Style multiple captions at once
Args:
captions: Dictionary of {model_name: caption}
style: Style to apply
Returns:
dict: Dictionary of {model_name: styled_caption}
"""
styled_captions = {}
for model_name, caption in captions.items():
try:
styled_caption = self.style_caption(caption, style)
styled_captions[model_name] = styled_caption
except Exception as e:
print(f"Error styling {model_name} caption: {e}")
# Use original caption on error
styled_captions[model_name] = caption
return styled_captions
def is_api_available(self) -> bool:
"""Check if API is available"""
return self._api_available
def test_connection(self) -> bool:
"""
Test API connection
Returns:
bool: True if API is working
"""
if not self._api_available:
return False
try:
# Simple test call
response = self.client.chat.completions.create(
model=self.model_name,
messages=[
{"role": "user", "content": "Hello"}
],
max_tokens=10,
timeout=5
)
return True
except Exception as e:
print(f"API connection test failed: {e}")
return False
def get_available_styles(self) -> list:
"""Get list of available styles"""
return list(style_config.STYLES.keys())
def get_info(self) -> dict:
"""Get model information"""
return {
"model_name": self.model_name,
"api_available": self._api_available,
"max_tokens": self.max_tokens,
"temperature": self.temperature,
"available_styles": self.get_available_styles()
}
# Singleton instance
_style_model = None
def get_style_model() -> StyleModel:
"""Get singleton StyleModel instance"""
global _style_model
if _style_model is None:
_style_model = StyleModel()
return _style_model
if __name__ == "__main__":
# Test the style model
print("=" * 60)
print("STYLE MODEL - TEST MODE")
print("=" * 60)
# Initialize model
style_model = StyleModel()
print(f"\n✓ Style model initialized")
print(f" API Available: {style_model.is_api_available()}")
print(f" Model: {style_model.model_name}")
# Get info
print("\nModel Info:")
info = style_model.get_info()
for key, value in info.items():
if isinstance(value, list):
print(f" {key}:")
for item in value:
print(f" - {item}")
else:
print(f" {key}: {value}")
# Test connection if API available
if style_model.is_api_available():
print("\nTesting API connection...")
connection_ok = style_model.test_connection()
print(f" Connection: {'✓ Success' if connection_ok else '✗ Failed'}")
if connection_ok:
# Test styling
print("\nTesting caption styling:")
test_caption = "A cat sitting on a windowsill looking outside"
for style in ["Professional", "Creative", "Social Media"]:
print(f"\n {style}:")
try:
styled = style_model.style_caption(test_caption, style)
print(f" Original: {test_caption}")
print(f" Styled: {styled}")
except Exception as e:
print(f" Error: {e}")
else:
print("\n⚠️ API not available, testing fallback styling:")
test_caption = "A cat sitting on a windowsill looking outside"
for style in ["Professional", "Creative", "Social Media"]:
styled = style_model.style_caption(test_caption, style)
print(f"\n {style}: {styled}")
print("\n" + "=" * 60)
print("✓ Style model test complete")
print("=" * 60) |