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9834088 6a7d12e 9834088 461c65a 9834088 461c65a 9834088 461c65a 9834088 461c65a 9834088 461c65a 9834088 | 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 | """
Thin wrapper around Sunbird AI API endpoints (robust version).
"""
import os
import requests
from typing import Optional
SUNBIRD_API_BASE = "https://api.sunbird.ai"
# TTS speaker IDs per language
TTS_SPEAKER_IDS = {
"Acholi": 241,
"Ateso": 242,
"Runyankole": 243,
"Lugbara": 245,
"Luganda": 248,
}
STT_LANGUAGE_CODES = {
"Acholi": "ach",
"Ateso": "teo",
"English": "eng",
"Luganda": "lug",
"Lugbara": "lgg",
"Runyankole": "nyn",
}
LANGUAGE_NAMES = {
"Acholi": "Acholi",
"Ateso": "Ateso",
"Runyankole": "Runyankole",
"Lugbara": "Lugbara",
"Luganda": "Luganda",
}
# Languages supported by the summarisation endpoint
SUMMARISE_SUPPORTED_LANGUAGES = {"eng", "lug"}
# -----------------------------
# Helpers
# -----------------------------
def _get_headers(content_type: Optional[str] = None) -> dict:
token = os.environ.get("SUNBIRD_API_TOKEN", "").strip()
if not token:
raise ValueError("SUNBIRD_API_TOKEN is not set in environment variables.")
headers = {"Authorization": f"Bearer {token}"}
if content_type:
headers["Content-Type"] = content_type
return headers
def _extract(data: dict, *keys):
"""
Robust extractor for Sunbird API inconsistencies.
Never assumes presence of 'output'.
"""
if not isinstance(data, dict):
raise Exception(f"Invalid API response: {data}")
# ----------------------------
# Case 1: output wrapper exists
# ----------------------------
if isinstance(data.get("output"), dict):
inner = data["output"]
for k in keys:
if k in inner:
return inner[k]
# fallback: sometimes content is nested differently
if "content" in inner:
return inner["content"]
if "text" in inner:
return inner["text"]
# ----------------------------
# Case 2: flat response
# ----------------------------
for k in keys:
if k in data:
return data[k]
# ----------------------------
# Case 3: known Sunbird variations
# ----------------------------
if "content" in data:
return data["content"]
if "text" in data:
return data["text"]
if "summary" in data:
return data["summary"]
if "summarized_text" in data:
return data["summarized_text"]
if "audio_transcription" in data:
return data["audio_transcription"]
# last resort debugging
raise Exception(f"Unexpected API response format: {data}")
# -----------------------------
# LANGUAGE DETECTION
# -----------------------------
def detect_text_language(text: str) -> str:
"""
Returns the detected language code (e.g. 'eng', 'lug') for a text string.
Uses /tasks/language_id endpoint.
"""
url = f"{SUNBIRD_API_BASE}/tasks/language_id"
headers = _get_headers("application/json")
payload = {"text": text}
response = requests.post(url, json=payload, headers=headers, timeout=(30, 60))
response.raise_for_status()
data = response.json()
return _extract(data, "language")
def detect_audio_language(audio_path: str) -> str:
"""
Returns the detected language code (e.g. 'ach', 'lug') for an audio file.
Uses /tasks/auto_detect_audio_language endpoint.
"""
url = f"{SUNBIRD_API_BASE}/tasks/auto_detect_audio_language"
headers = _get_headers()
with open(audio_path, "rb") as f:
files = {"audio": f}
response = requests.post(url, files=files, headers=headers, timeout=(40, 300))
response.raise_for_status()
data = response.json()
return _extract(data, "language")
# -----------------------------
# STT
# -----------------------------
def transcribe_audio(audio_path: str) -> str:
url = f"{SUNBIRD_API_BASE}/tasks/stt"
headers = _get_headers()
import mimetypes
ext = os.path.splitext(audio_path)[-1].lower() or ".wav"
mime = mimetypes.types_map.get(ext, "audio/wav")
filename = f"audio{ext}"
with open(audio_path, "rb") as f:
files = {"audio": (filename, f, mime)}
response = requests.post(url, files=files, headers=headers, timeout=(40, 300))
response.raise_for_status()
data = response.json()
return _extract(data, "audio_transcription", "text")
# -----------------------------
# SUMMARISATION
# -----------------------------
def summarise_text(text: str, language_code: str = "eng") -> str:
if language_code not in SUMMARISE_SUPPORTED_LANGUAGES:
raise ValueError(
f"Summarisation only supports English (eng) and Luganda (lug), "
f"but received '{language_code}'. Please provide input text in English or Luganda."
)
url = f"{SUNBIRD_API_BASE}/tasks/summarise"
headers = _get_headers("application/json")
payload = {"text": text}
response = requests.post(url, json=payload, headers=headers, timeout=(40, 300))
response.raise_for_status()
data = response.json()
return _extract(data, "summary", "summarized_text")
# -----------------------------
# TRANSLATION
# -----------------------------
def translate_text(text: str, target_language: str) -> str:
url = f"{SUNBIRD_API_BASE}/tasks/sunflower_inference"
headers = _get_headers("application/json")
lang_name = LANGUAGE_NAMES.get(target_language, target_language)
payload = {
"messages": [
{
"role": "system",
"content": (
f"You are a professional translator for Ugandan languages. "
f"Translate into {lang_name}. Return ONLY translation."
),
},
{
"role": "user",
"content": f"Translate into {lang_name}:\n\n{text}",
},
]
}
response = requests.post(url, json=payload, headers=headers, timeout=(40, 300))
response.raise_for_status()
data = response.json()
return _extract(data, "content", "text")
# -----------------------------
# TTS
# -----------------------------
def synthesise_speech(text: str, language: str) -> bytes:
speaker_id = TTS_SPEAKER_IDS.get(language)
if speaker_id is None:
raise ValueError(f"No TTS speaker available for language: {language}")
url = f"{SUNBIRD_API_BASE}/tasks/tts"
headers = _get_headers("application/json")
payload = {
"text": text,
"speaker_id": speaker_id
}
response = requests.post(url, json=payload, headers=headers, timeout=(40, 120))
response.raise_for_status()
data = response.json()
audio_url = _extract(data, "audio_url")
try:
audio_response = requests.get(audio_url, timeout=(10, 120))
audio_response.raise_for_status()
except requests.exceptions.ConnectionError:
raise RuntimeError(
"The speech audio was generated but could not be downloaded. "
"Please check your internet connection and try again."
)
except requests.exceptions.Timeout:
raise RuntimeError(
"The audio download timed out. Please try again."
)
except requests.exceptions.HTTPError:
raise RuntimeError(
"The speech audio could not be retrieved from the server. Please try again."
)
return audio_response.content |