chore: initial snapshot for gitea/github upload

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2026-03-26 16:04:46 +08:00
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# RunwayML integration for LiteLLM
from .cost_calculator import cost_calculator
from .videos.transformation import RunwayMLVideoConfig
__all__ = ["RunwayMLVideoConfig", "cost_calculator"]

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from typing import Any
import litellm
from litellm.types.utils import ImageResponse
def cost_calculator(
model: str,
image_response: Any,
) -> float:
"""
RunwayML image generation cost calculator.
RunwayML charges per image generated, not per pixel.
Pricing is stored in model_prices_and_context_window.json with output_cost_per_image.
"""
_model_info = litellm.get_model_info(
model=model,
custom_llm_provider=litellm.LlmProviders.RUNWAYML.value,
)
output_cost_per_image: float = _model_info.get("output_cost_per_image") or 0.0
num_images: int = 0
if isinstance(image_response, ImageResponse):
if image_response.data:
num_images = len(image_response.data)
return output_cost_per_image * num_images
else:
raise ValueError(
f"image_response must be of type ImageResponse, got type={type(image_response)}"
)

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from litellm.llms.base_llm.image_generation.transformation import (
BaseImageGenerationConfig,
)
from .transformation import RunwayMLImageGenerationConfig
__all__ = [
"RunwayMLImageGenerationConfig",
]
def get_runwayml_image_generation_config(model: str) -> BaseImageGenerationConfig:
return RunwayMLImageGenerationConfig()

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import asyncio
import time
from typing import TYPE_CHECKING, Any, Dict, List, Optional
import httpx
from litellm._logging import verbose_logger
from litellm.constants import (
RUNWAYML_DEFAULT_API_VERSION,
RUNWAYML_POLLING_TIMEOUT,
)
from litellm.llms.base_llm.image_generation.transformation import (
BaseImageGenerationConfig,
)
from litellm.secret_managers.main import get_secret_str
from litellm.types.llms.openai import (
AllMessageValues,
OpenAIImageGenerationOptionalParams,
)
from litellm.types.utils import ImageObject, ImageResponse
if TYPE_CHECKING:
from litellm.litellm_core_utils.litellm_logging import Logging as _LiteLLMLoggingObj
LiteLLMLoggingObj = _LiteLLMLoggingObj
else:
LiteLLMLoggingObj = Any
class RunwayMLImageGenerationConfig(BaseImageGenerationConfig):
"""
Configuration for RunwayML image generation models.
"""
DEFAULT_BASE_URL: str = "https://api.dev.runwayml.com"
IMAGE_GENERATION_ENDPOINT: str = "v1/text_to_image"
def get_complete_url(
self,
api_base: Optional[str],
api_key: Optional[str],
model: str,
optional_params: dict,
litellm_params: dict,
stream: Optional[bool] = None,
) -> str:
"""
Get the complete url for the request
Some providers need `model` in `api_base`
"""
complete_url: str = (
api_base or get_secret_str("RUNWAYML_API_BASE") or self.DEFAULT_BASE_URL
)
complete_url = complete_url.rstrip("/")
if self.IMAGE_GENERATION_ENDPOINT:
complete_url = f"{complete_url}/{self.IMAGE_GENERATION_ENDPOINT}"
return complete_url
def validate_environment(
self,
headers: dict,
model: str,
messages: List[AllMessageValues],
optional_params: dict,
litellm_params: dict,
api_key: Optional[str] = None,
api_base: Optional[str] = None,
) -> dict:
final_api_key: Optional[str] = (
api_key
or get_secret_str("RUNWAYML_API_SECRET")
or get_secret_str("RUNWAYML_API_KEY")
)
if not final_api_key:
raise ValueError("RUNWAYML_API_SECRET or RUNWAYML_API_KEY is not set")
headers["Authorization"] = f"Bearer {final_api_key}"
headers["X-Runway-Version"] = RUNWAYML_DEFAULT_API_VERSION
return headers
@staticmethod
def _transform_runwayml_response_to_openai(
response_data: Dict[str, Any],
model_response: ImageResponse,
) -> ImageResponse:
"""
Transform RunwayML response format to OpenAI ImageResponse format.
RunwayML response format (after polling):
{
"id": "task_123...",
"status": "SUCCEEDED",
"output": ["https://cloudfront.net/.../image.png"],
"completedAt": "2025-11-13T..."
}
OpenAI ImageResponse format:
{
"data": [
{
"url": "https://cloudfront.net/.../image.png",
"b64_json": null
}
]
}
Args:
response_data: JSON response from RunwayML (after polling completes)
model_response: ImageResponse object to populate
Returns:
Populated ImageResponse in OpenAI format
"""
if not model_response.data:
model_response.data = []
# Handle RunwayML response format
# Response contains task.output with image URL(s)
output = response_data.get("output", [])
if isinstance(output, list):
for image_item in output:
if isinstance(image_item, str):
# If output is a list of URL strings
model_response.data.append(
ImageObject(
url=image_item,
b64_json=None,
)
)
elif isinstance(image_item, dict):
# If output contains dict with url/b64_json
model_response.data.append(
ImageObject(
url=image_item.get("url", None),
b64_json=image_item.get("b64_json", None),
)
)
return model_response
@staticmethod
def _check_timeout(start_time: float, timeout_secs: float) -> None:
"""
Check if operation has timed out.
Args:
start_time: Start time of the operation
timeout_secs: Timeout duration in seconds
Raises:
TimeoutError: If operation has exceeded timeout
"""
if time.time() - start_time > timeout_secs:
raise TimeoutError(
f"RunwayML task polling timed out after {timeout_secs} seconds"
)
@staticmethod
def _check_task_status(response_data: Dict[str, Any]) -> str:
"""
Check RunwayML task status from response.
RunwayML statuses: PENDING, RUNNING, SUCCEEDED, FAILED, CANCELLED, THROTTLED
Args:
response_data: JSON response from RunwayML task endpoint
Returns:
Normalized status string: "running", "succeeded", or raises on failure
Raises:
ValueError: If task failed or status is unknown
"""
status = response_data.get("status", "").upper()
verbose_logger.debug(f"RunwayML task status: {status}")
if status == "SUCCEEDED":
return "succeeded"
elif status == "FAILED":
failure_reason = response_data.get("failure", "Unknown error")
failure_code = response_data.get("failureCode", "unknown")
raise ValueError(
f"RunwayML image generation failed: {failure_reason} (code: {failure_code})"
)
elif status == "CANCELLED":
raise ValueError("RunwayML image generation was cancelled")
elif status in ["PENDING", "RUNNING", "THROTTLED"]:
return "running"
else:
raise ValueError(f"Unknown RunwayML task status: {status}")
def _poll_task_sync(
self,
task_id: str,
api_base: str,
headers: Dict[str, str],
timeout_secs: float = 600,
) -> httpx.Response:
"""
Poll RunwayML task until completion (sync).
RunwayML POST returns immediately with a task that has status PENDING/RUNNING.
We need to poll GET /v1/tasks/{task_id} until status is SUCCEEDED or FAILED.
Args:
task_id: The task ID to poll
api_base: Base URL for RunwayML API
headers: Request headers (including auth)
timeout_secs: Total timeout in seconds (default: 600s = 10 minutes)
Returns:
Final response with completed task
"""
from litellm.llms.custom_httpx.http_handler import _get_httpx_client
client = _get_httpx_client()
start_time = time.time()
# Build task status URL
api_base = api_base.rstrip("/")
task_url = f"{api_base}/v1/tasks/{task_id}"
verbose_logger.debug(f"Polling RunwayML task: {task_url}")
while True:
self._check_timeout(start_time=start_time, timeout_secs=timeout_secs)
# Poll the task status
response = client.get(url=task_url, headers=headers)
response.raise_for_status()
response_data = response.json()
# Check task status
status = self._check_task_status(response_data=response_data)
if status == "succeeded":
return response
elif status == "running":
# Wait before polling again (RunwayML recommends 1-2 second intervals)
time.sleep(2)
async def _poll_task_async(
self,
task_id: str,
api_base: str,
headers: Dict[str, str],
timeout_secs: float = 600,
) -> httpx.Response:
"""
Poll RunwayML task until completion (async).
Args:
task_id: The task ID to poll
api_base: Base URL for RunwayML API
headers: Request headers (including auth)
timeout_secs: Total timeout in seconds (default: 600s = 10 minutes)
Returns:
Final response with completed task
"""
import litellm
from litellm.llms.custom_httpx.http_handler import get_async_httpx_client
client = get_async_httpx_client(llm_provider=litellm.LlmProviders.RUNWAYML)
start_time = time.time()
# Build task status URL
api_base = api_base.rstrip("/")
task_url = f"{api_base}/v1/tasks/{task_id}"
verbose_logger.debug(f"Polling RunwayML task (async): {task_url}")
while True:
self._check_timeout(start_time=start_time, timeout_secs=timeout_secs)
# Poll the task status
response = await client.get(url=task_url, headers=headers)
response.raise_for_status()
response_data = response.json()
# Check task status
status = self._check_task_status(response_data=response_data)
if status == "succeeded":
return response
elif status == "running":
# Wait before polling again (RunwayML recommends 1-2 second intervals)
await asyncio.sleep(2)
def transform_image_generation_response(
self,
model: str,
raw_response: httpx.Response,
model_response: ImageResponse,
logging_obj: LiteLLMLoggingObj,
request_data: dict,
optional_params: dict,
litellm_params: dict,
encoding: Any,
api_key: Optional[str] = None,
json_mode: Optional[bool] = None,
) -> ImageResponse:
"""
Transform the image generation response to the litellm image response.
RunwayML returns a task immediately with status PENDING/RUNNING.
We need to poll the task until it completes (status SUCCEEDED).
Initial response:
{
"id": "task_123...",
"status": "PENDING" | "RUNNING",
"createdAt": "2025-11-13T..."
}
After polling:
{
"id": "task_123...",
"status": "SUCCEEDED",
"output": ["https://cloudfront.net/.../image.png"],
"completedAt": "2025-11-13T..."
}
"""
try:
response_data = raw_response.json()
except Exception as e:
raise self.get_error_class(
error_message=f"Error transforming image generation response: {e}",
status_code=raw_response.status_code,
headers=raw_response.headers,
)
verbose_logger.debug("RunwayML starting polling...")
# Get task ID
task_id = response_data.get("id")
if not task_id:
raise ValueError("RunwayML response missing task ID")
# Get headers for polling (need auth)
poll_headers = {
"Authorization": raw_response.request.headers.get("Authorization", ""),
"X-Runway-Version": raw_response.request.headers.get(
"X-Runway-Version", RUNWAYML_DEFAULT_API_VERSION
),
}
# Poll until task completes
raw_response = self._poll_task_sync(
task_id=task_id,
api_base=self.DEFAULT_BASE_URL,
headers=poll_headers,
timeout_secs=RUNWAYML_POLLING_TIMEOUT,
)
# Update response_data with polled result
response_data = raw_response.json()
verbose_logger.debug("RunwayML polling complete, transforming to OpenAI format")
# Transform RunwayML response to OpenAI format
return self._transform_runwayml_response_to_openai(
response_data=response_data,
model_response=model_response,
)
async def async_transform_image_generation_response(
self,
model: str,
raw_response: httpx.Response,
model_response: ImageResponse,
logging_obj: LiteLLMLoggingObj,
request_data: dict,
optional_params: dict,
litellm_params: dict,
encoding: Any,
api_key: Optional[str] = None,
json_mode: Optional[bool] = None,
) -> ImageResponse:
"""
Async transform the image generation response to the litellm image response.
RunwayML returns a task immediately with status PENDING/RUNNING.
We need to poll the task until it completes (status SUCCEEDED) using async polling.
"""
try:
response_data = raw_response.json()
except Exception as e:
raise self.get_error_class(
error_message=f"Error transforming image generation response: {e}",
status_code=raw_response.status_code,
headers=raw_response.headers,
)
verbose_logger.debug("RunwayML starting polling (async)...")
# Get task ID
task_id = response_data.get("id")
if not task_id:
raise ValueError("RunwayML response missing task ID")
# Get headers for polling (need auth)
poll_headers = {
"Authorization": raw_response.request.headers.get("Authorization", ""),
"X-Runway-Version": raw_response.request.headers.get(
"X-Runway-Version", RUNWAYML_DEFAULT_API_VERSION
),
}
# Poll until task completes (async)
raw_response = await self._poll_task_async(
task_id=task_id,
api_base=self.DEFAULT_BASE_URL,
headers=poll_headers,
timeout_secs=RUNWAYML_POLLING_TIMEOUT,
)
# Update response_data with polled result
response_data = raw_response.json()
verbose_logger.debug(
"RunwayML polling complete (async), transforming to OpenAI format"
)
# Transform RunwayML response to OpenAI format
return self._transform_runwayml_response_to_openai(
response_data=response_data,
model_response=model_response,
)
def get_supported_openai_params(
self, model: str
) -> List[OpenAIImageGenerationOptionalParams]:
"""
Get supported OpenAI parameters for RunwayML image generation
"""
return [
"size",
]
def map_openai_params(
self,
non_default_params: dict,
optional_params: dict,
model: str,
drop_params: bool,
) -> dict:
supported_params = self.get_supported_openai_params(model)
# Map OpenAI 'size' parameter to RunwayML 'ratio' parameter
if "size" in non_default_params:
size = non_default_params["size"]
# Map common OpenAI sizes to RunwayML ratios
size_to_ratio_map = {
"1024x1024": "1024:1024",
"1792x1024": "1792:1024",
"1024x1792": "1024:1792",
"1920x1080": "1920:1080",
"1080x1920": "1080:1920",
}
optional_params["ratio"] = size_to_ratio_map.get(size, "1920:1080")
for k in non_default_params.keys():
if k not in optional_params.keys():
if k in supported_params:
optional_params[k] = non_default_params[k]
elif drop_params:
pass
else:
raise ValueError(
f"Parameter {k} is not supported for model {model}. Supported parameters are {supported_params}. Set drop_params=True to drop unsupported parameters."
)
return optional_params
def transform_image_generation_request(
self,
model: str,
prompt: str,
optional_params: dict,
litellm_params: dict,
headers: dict,
) -> dict:
"""
Transform the image generation request to the RunwayML image generation request body
RunwayML expects:
- model: The model to use (e.g., 'gen4_image')
- promptText: The text prompt
- ratio: The aspect ratio (e.g., '1920:1080', '1080:1920', '1024:1024')
"""
runwayml_request_body = {
"model": model or "gen4_image",
"promptText": prompt,
}
# Add any RunwayML-specific parameters
if "ratio" in optional_params:
runwayml_request_body["ratio"] = optional_params["ratio"]
else:
# Set default ratio if not provided
runwayml_request_body["ratio"] = "1920:1080"
# Add any other optional parameters
for k, v in optional_params.items():
if k not in runwayml_request_body and k not in ["size"]:
runwayml_request_body[k] = v
return runwayml_request_body

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"""RunwayML Text-to-Speech implementation."""
from .transformation import RunwayMLTextToSpeechConfig
__all__ = ["RunwayMLTextToSpeechConfig"]

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"""
RunwayML Text-to-Speech transformation
Maps OpenAI TTS spec to RunwayML Text-to-Speech API
"""
import asyncio
import time
from typing import TYPE_CHECKING, Any, Coroutine, Dict, Optional, Tuple, Union
import httpx
import litellm
from litellm._logging import verbose_logger
from litellm.constants import (
RUNWAYML_DEFAULT_API_VERSION,
RUNWAYML_POLLING_TIMEOUT,
)
from litellm.llms.base_llm.text_to_speech.transformation import (
BaseTextToSpeechConfig,
TextToSpeechRequestData,
)
from litellm.secret_managers.main import get_secret_str
if TYPE_CHECKING:
from litellm.litellm_core_utils.litellm_logging import Logging as LiteLLMLoggingObj
from litellm.types.llms.openai import HttpxBinaryResponseContent
else:
LiteLLMLoggingObj = Any
HttpxBinaryResponseContent = Any
class RunwayMLTextToSpeechConfig(BaseTextToSpeechConfig):
"""
Configuration for RunwayML Text-to-Speech
Reference: https://api.dev.runwayml.com/v1/text_to_speech
"""
DEFAULT_BASE_URL: str = "https://api.dev.runwayml.com"
TTS_ENDPOINT_PATH: str = "v1/text_to_speech"
DEFAULT_MODEL: str = "eleven_multilingual_v2"
DEFAULT_VOICE_TYPE: str = "runway-preset"
DEFAULT_VOICE_PRESET_ID: str = "Bernard"
# Voice mappings from OpenAI voices to RunwayML preset IDs
# OpenAI voices mapped to similar-sounding RunwayML voices
VOICE_MAPPINGS = {
"alloy": "Maya", # Neutral, balanced female voice
"echo": "James", # Male voice
"fable": "Bernard", # Warm, storytelling voice
"onyx": "Vincent", # Deep male voice
"nova": "Serene", # Warm, expressive female voice
"shimmer": "Ella", # Clear, friendly female voice
}
def dispatch_text_to_speech(
self,
model: str,
input: str,
voice: Optional[Union[str, Dict]],
optional_params: Dict,
litellm_params_dict: Dict,
logging_obj: "LiteLLMLoggingObj",
timeout: Union[float, httpx.Timeout],
extra_headers: Optional[Dict[str, Any]],
base_llm_http_handler: Any,
aspeech: bool,
api_base: Optional[str],
api_key: Optional[str],
**kwargs: Any,
) -> Union[
"HttpxBinaryResponseContent",
Coroutine[Any, Any, "HttpxBinaryResponseContent"],
]:
"""
Dispatch method to handle RunwayML TTS requests
This method encapsulates RunwayML-specific credential resolution and parameter handling
Args:
base_llm_http_handler: The BaseLLMHTTPHandler instance from main.py
"""
# Resolve api_base from multiple sources
api_base = (
api_base
or litellm_params_dict.get("api_base")
or litellm.api_base
or get_secret_str("RUNWAYML_API_BASE")
or self.DEFAULT_BASE_URL
)
# Resolve api_key from multiple sources
api_key = (
api_key
or litellm_params_dict.get("api_key")
or litellm.api_key
or get_secret_str("RUNWAYML_API_SECRET")
or get_secret_str("RUNWAYML_API_KEY")
)
# Convert voice to appropriate format
voice_param: Optional[Union[str, Dict]] = voice
if isinstance(voice, str):
# Keep as string, will be processed in map_openai_params
voice_param = voice
elif isinstance(voice, dict):
# Already in dict format, pass through
voice_param = voice
litellm_params_dict.update(
{
"api_key": api_key,
"api_base": api_base,
}
)
# Call the text_to_speech_handler
response = base_llm_http_handler.text_to_speech_handler(
model=model,
input=input,
voice=voice_param,
text_to_speech_provider_config=self,
text_to_speech_optional_params=optional_params,
custom_llm_provider="runwayml",
litellm_params=litellm_params_dict,
logging_obj=logging_obj,
timeout=timeout,
extra_headers=extra_headers,
client=None,
_is_async=aspeech,
)
return response
def get_supported_openai_params(self, model: str) -> list:
"""
RunwayML TTS supports these OpenAI parameters
"""
return ["voice"]
def map_openai_params(
self,
model: str,
optional_params: Dict,
voice: Optional[Union[str, Dict]] = None,
drop_params: bool = False,
kwargs: Dict = {},
) -> Tuple[Optional[str], Dict]:
"""
Map OpenAI parameters to RunwayML TTS parameters
Returns:
Tuple of (mapped_voice_string, mapped_params)
Note: Since RunwayML requires voice as a dict, we store it in
mapped_params["runwayml_voice"] and return None for the voice string.
"""
mapped_params = {}
# Map voice parameter to RunwayML format dict
voice_dict: Optional[Dict] = None
if isinstance(voice, str):
# Check if it's an OpenAI voice name that needs mapping
if voice in self.VOICE_MAPPINGS:
preset_id = self.VOICE_MAPPINGS[voice]
voice_dict = {
"type": self.DEFAULT_VOICE_TYPE,
"presetId": preset_id,
}
else:
# Assume it's a RunwayML preset ID
voice_dict = {
"type": self.DEFAULT_VOICE_TYPE,
"presetId": voice,
}
elif isinstance(voice, dict):
# Already in RunwayML format, use as-is
voice_dict = voice
# Store the voice dict in optional_params for later use
if voice_dict is not None:
mapped_params["runwayml_voice"] = voice_dict
# No other OpenAI params are currently supported by RunwayML TTS
# (response_format, speed, etc. are not supported)
# Return None for voice string since RunwayML uses dict format
return None, mapped_params
def validate_environment(
self,
headers: dict,
model: str,
api_key: Optional[str] = None,
api_base: Optional[str] = None,
) -> dict:
"""
Validate RunwayML environment and set up authentication headers
"""
validated_headers = headers.copy()
final_api_key = (
api_key
or get_secret_str("RUNWAYML_API_SECRET")
or get_secret_str("RUNWAYML_API_KEY")
)
if not final_api_key:
raise ValueError("RUNWAYML_API_SECRET or RUNWAYML_API_KEY is not set")
validated_headers["Authorization"] = f"Bearer {final_api_key}"
validated_headers["X-Runway-Version"] = RUNWAYML_DEFAULT_API_VERSION
validated_headers["Content-Type"] = "application/json"
return validated_headers
def get_complete_url(
self,
model: str,
api_base: Optional[str],
litellm_params: dict,
) -> str:
"""
Get the complete URL for RunwayML TTS request
"""
complete_url = (
api_base or get_secret_str("RUNWAYML_API_BASE") or self.DEFAULT_BASE_URL
)
complete_url = complete_url.rstrip("/")
return f"{complete_url}/{self.TTS_ENDPOINT_PATH}"
@staticmethod
def _check_timeout(start_time: float, timeout_secs: float) -> None:
"""
Check if operation has timed out.
Args:
start_time: Start time of the operation
timeout_secs: Timeout duration in seconds
Raises:
TimeoutError: If operation has exceeded timeout
"""
if time.time() - start_time > timeout_secs:
raise TimeoutError(
f"RunwayML TTS task polling timed out after {timeout_secs} seconds"
)
@staticmethod
def _check_task_status(response_data: Dict[str, Any]) -> str:
"""
Check RunwayML task status from response.
RunwayML statuses: PENDING, RUNNING, SUCCEEDED, FAILED, CANCELLED, THROTTLED
Args:
response_data: JSON response from RunwayML task endpoint
Returns:
Normalized status string: "running", "succeeded", or raises on failure
Raises:
ValueError: If task failed or status is unknown
"""
status = response_data.get("status", "").upper()
verbose_logger.debug(f"RunwayML TTS task status: {status}")
if status == "SUCCEEDED":
return "succeeded"
elif status == "FAILED":
failure_reason = response_data.get("failure", "Unknown error")
failure_code = response_data.get("failureCode", "unknown")
raise ValueError(
f"RunwayML TTS failed: {failure_reason} (code: {failure_code})"
)
elif status == "CANCELLED":
raise ValueError("RunwayML TTS was cancelled")
elif status in ["PENDING", "RUNNING", "THROTTLED"]:
return "running"
else:
raise ValueError(f"Unknown RunwayML task status: {status}")
def _poll_task_sync(
self,
task_id: str,
api_base: str,
headers: Dict[str, str],
timeout_secs: float = 600,
) -> httpx.Response:
"""
Poll RunwayML task until completion (sync).
RunwayML POST returns immediately with a task that has status PENDING/RUNNING.
We need to poll GET /v1/tasks/{task_id} until status is SUCCEEDED or FAILED.
Args:
task_id: The task ID to poll
api_base: Base URL for RunwayML API
headers: Request headers (including auth)
timeout_secs: Total timeout in seconds (default: 600s = 10 minutes)
Returns:
Final response with completed task
"""
from litellm.llms.custom_httpx.http_handler import _get_httpx_client
client = _get_httpx_client()
start_time = time.time()
# Build task status URL
api_base = api_base.rstrip("/")
task_url = f"{api_base}/v1/tasks/{task_id}"
verbose_logger.debug(f"Polling RunwayML TTS task: {task_url}")
while True:
self._check_timeout(start_time=start_time, timeout_secs=timeout_secs)
# Poll the task status
response = client.get(url=task_url, headers=headers)
response.raise_for_status()
response_data = response.json()
# Check task status
status = self._check_task_status(response_data=response_data)
if status == "succeeded":
return response
elif status == "running":
# Wait before polling again (RunwayML recommends 1-2 second intervals)
time.sleep(2)
async def _poll_task_async(
self,
task_id: str,
api_base: str,
headers: Dict[str, str],
timeout_secs: float = 600,
) -> httpx.Response:
"""
Poll RunwayML task until completion (async).
Args:
task_id: The task ID to poll
api_base: Base URL for RunwayML API
headers: Request headers (including auth)
timeout_secs: Total timeout in seconds (default: 600s = 10 minutes)
Returns:
Final response with completed task
"""
from litellm.llms.custom_httpx.http_handler import get_async_httpx_client
client = get_async_httpx_client(llm_provider=litellm.LlmProviders.RUNWAYML)
start_time = time.time()
# Build task status URL
api_base = api_base.rstrip("/")
task_url = f"{api_base}/v1/tasks/{task_id}"
verbose_logger.debug(f"Polling RunwayML TTS task (async): {task_url}")
while True:
self._check_timeout(start_time=start_time, timeout_secs=timeout_secs)
# Poll the task status
response = await client.get(url=task_url, headers=headers)
response.raise_for_status()
response_data = response.json()
# Check task status
status = self._check_task_status(response_data=response_data)
if status == "succeeded":
return response
elif status == "running":
# Wait before polling again (RunwayML recommends 1-2 second intervals)
await asyncio.sleep(2)
def transform_text_to_speech_request(
self,
model: str,
input: str,
voice: Optional[Union[str, Dict]],
optional_params: Dict,
litellm_params: Dict,
headers: dict,
) -> TextToSpeechRequestData:
"""
Transform OpenAI TTS request to RunwayML TTS format
RunwayML expects:
- model: The model to use (e.g., 'eleven_multilingual_v2')
- promptText: The text to convert to speech
- voice: Voice configuration object
{
"type": "runway-preset",
"presetId": "Bernard"
}
Returns:
TextToSpeechRequestData: Contains JSON body and headers
"""
# Get voice from optional_params (mapped in map_openai_params)
runwayml_voice = optional_params.get("runwayml_voice")
if runwayml_voice is None:
# Use default voice if not provided
runwayml_voice = {
"type": self.DEFAULT_VOICE_TYPE,
"presetId": self.DEFAULT_VOICE_PRESET_ID,
}
# Build request body
request_body = {
"model": model or self.DEFAULT_MODEL,
"promptText": input,
"voice": runwayml_voice,
}
# Add any other optional parameters (except runwayml_voice which we already used)
for k, v in optional_params.items():
if k not in request_body and k != "runwayml_voice":
request_body[k] = v
return {
"dict_body": request_body,
"headers": headers,
}
def transform_text_to_speech_response(
self,
model: str,
raw_response: httpx.Response,
logging_obj: "LiteLLMLoggingObj",
) -> "HttpxBinaryResponseContent":
"""
Transform RunwayML TTS response to standard format
RunwayML returns a task immediately with status PENDING/RUNNING.
We need to poll the task until it completes, then download the audio.
Initial response:
{
"id": "task_123...",
"status": "PENDING" | "RUNNING",
"createdAt": "2025-11-13T..."
}
After polling:
{
"id": "task_123...",
"status": "SUCCEEDED",
"output": ["https://storage.googleapis.com/.../audio.mp3"],
"completedAt": "2025-11-13T..."
}
"""
from litellm.types.llms.openai import HttpxBinaryResponseContent
try:
response_data = raw_response.json()
except Exception as e:
raise self.get_error_class(
error_message=f"Error parsing RunwayML TTS response: {e}",
status_code=raw_response.status_code,
headers=dict(raw_response.headers),
)
verbose_logger.debug("RunwayML TTS starting polling...")
# Get task ID
task_id = response_data.get("id")
if not task_id:
raise ValueError("RunwayML TTS response missing task ID")
# Get headers for polling (need auth)
poll_headers = {
"Authorization": raw_response.request.headers.get("Authorization", ""),
"X-Runway-Version": raw_response.request.headers.get(
"X-Runway-Version", RUNWAYML_DEFAULT_API_VERSION
),
}
# Poll until task completes
polled_response = self._poll_task_sync(
task_id=task_id,
api_base=self.DEFAULT_BASE_URL,
headers=poll_headers,
timeout_secs=RUNWAYML_POLLING_TIMEOUT,
)
# Get the completed task data
task_data = polled_response.json()
verbose_logger.debug("RunwayML TTS polling complete, downloading audio")
# Get audio URL from output
output = task_data.get("output", [])
if not output or not isinstance(output, list) or len(output) == 0:
raise ValueError("RunwayML TTS response missing audio URL in output")
audio_url = output[0]
if not isinstance(audio_url, str):
raise ValueError(f"RunwayML TTS audio URL is not a string: {audio_url}")
# Download the audio file
from litellm.llms.custom_httpx.http_handler import _get_httpx_client
client = _get_httpx_client()
audio_response = client.get(url=audio_url)
audio_response.raise_for_status()
verbose_logger.debug("RunwayML TTS audio downloaded successfully")
# Return the audio data wrapped in HttpxBinaryResponseContent
return HttpxBinaryResponseContent(audio_response)
async def async_transform_text_to_speech_response(
self,
model: str,
raw_response: httpx.Response,
logging_obj: "LiteLLMLoggingObj",
) -> "HttpxBinaryResponseContent":
"""
Async transform RunwayML TTS response to standard format
Same as sync version but uses async polling and download
"""
from litellm.types.llms.openai import HttpxBinaryResponseContent
try:
response_data = raw_response.json()
except Exception as e:
raise self.get_error_class(
error_message=f"Error parsing RunwayML TTS response: {e}",
status_code=raw_response.status_code,
headers=dict(raw_response.headers),
)
verbose_logger.debug("RunwayML TTS starting polling (async)...")
# Get task ID
task_id = response_data.get("id")
if not task_id:
raise ValueError("RunwayML TTS response missing task ID")
# Get headers for polling (need auth)
poll_headers = {
"Authorization": raw_response.request.headers.get("Authorization", ""),
"X-Runway-Version": raw_response.request.headers.get(
"X-Runway-Version", RUNWAYML_DEFAULT_API_VERSION
),
}
# Poll until task completes (async)
polled_response = await self._poll_task_async(
task_id=task_id,
api_base=self.DEFAULT_BASE_URL,
headers=poll_headers,
timeout_secs=RUNWAYML_POLLING_TIMEOUT,
)
# Get the completed task data
task_data = polled_response.json()
verbose_logger.debug("RunwayML TTS polling complete (async), downloading audio")
# Get audio URL from output
output = task_data.get("output", [])
if not output or not isinstance(output, list) or len(output) == 0:
raise ValueError("RunwayML TTS response missing audio URL in output")
audio_url = output[0]
if not isinstance(audio_url, str):
raise ValueError(f"RunwayML TTS audio URL is not a string: {audio_url}")
# Download the audio file (async)
from litellm.llms.custom_httpx.http_handler import get_async_httpx_client
client = get_async_httpx_client(llm_provider=litellm.LlmProviders.RUNWAYML)
audio_response = await client.get(url=audio_url)
audio_response.raise_for_status()
verbose_logger.debug("RunwayML TTS audio downloaded successfully (async)")
# Return the audio data wrapped in HttpxBinaryResponseContent
return HttpxBinaryResponseContent(audio_response)

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# RunwayML video generation

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from datetime import datetime
from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple, Union
import httpx
from httpx._types import RequestFiles
import litellm
from litellm.constants import RUNWAYML_DEFAULT_API_VERSION
from litellm.llms.base_llm.chat.transformation import BaseLLMException
from litellm.llms.base_llm.videos.transformation import BaseVideoConfig
from litellm.llms.custom_httpx.http_handler import (
AsyncHTTPHandler,
HTTPHandler,
_get_httpx_client,
get_async_httpx_client,
)
from litellm.secret_managers.main import get_secret_str
from litellm.types.router import GenericLiteLLMParams
from litellm.types.videos.main import VideoCreateOptionalRequestParams, VideoObject
from litellm.types.videos.utils import (
encode_video_id_with_provider,
extract_original_video_id,
)
if TYPE_CHECKING:
from litellm.litellm_core_utils.litellm_logging import Logging as _LiteLLMLoggingObj
LiteLLMLoggingObj = _LiteLLMLoggingObj
else:
LiteLLMLoggingObj = Any
class RunwayMLVideoConfig(BaseVideoConfig):
"""
Configuration class for RunwayML video generation.
RunwayML uses a task-based API where:
1. POST /v1/image_to_video creates a task
2. The task returns immediately with a task ID
3. Client must poll or wait for task completion
"""
def __init__(self):
super().__init__()
def get_supported_openai_params(self, model: str) -> list:
"""
Get the list of supported OpenAI parameters for video generation.
Maps OpenAI params to RunwayML equivalents:
- prompt -> promptText
- input_reference -> promptImage
- size -> ratio (e.g., "1280x720" -> "1280:720")
- seconds -> duration
"""
return [
"model",
"prompt",
"input_reference",
"seconds",
"size",
"user",
"extra_headers",
]
def map_openai_params(
self,
video_create_optional_params: VideoCreateOptionalRequestParams,
model: str,
drop_params: bool,
) -> Dict:
"""
Map OpenAI parameters to RunwayML format.
Mappings:
- prompt -> promptText
- input_reference -> promptImage
- size -> ratio (convert "WIDTHxHEIGHT" to "WIDTH:HEIGHT")
- seconds -> duration (convert to integer)
"""
mapped_params: Dict[str, Any] = {}
# Handle input_reference parameter - map to promptImage
if "input_reference" in video_create_optional_params:
input_reference = video_create_optional_params["input_reference"]
# RunwayML supports URLs and data URIs directly
mapped_params["promptImage"] = input_reference
# Handle size parameter - convert "1280x720" to "1280:720"
if "size" in video_create_optional_params:
size = video_create_optional_params["size"]
if isinstance(size, str) and "x" in size:
mapped_params["ratio"] = size.replace("x", ":")
# Handle seconds parameter - convert to integer
if "seconds" in video_create_optional_params:
seconds = video_create_optional_params["seconds"]
if seconds is not None:
try:
mapped_params["duration"] = (
int(float(seconds))
if isinstance(seconds, str)
else int(seconds)
)
except (ValueError, TypeError):
# If conversion fails, use default duration
pass
# Pass through other parameters that aren't OpenAI-specific
supported_openai_params = self.get_supported_openai_params(model)
for key, value in video_create_optional_params.items():
if key not in supported_openai_params:
mapped_params[key] = value
return mapped_params
def validate_environment(
self,
headers: dict,
model: str,
api_key: Optional[str] = None,
litellm_params: Optional[GenericLiteLLMParams] = None,
) -> dict:
"""
Validate environment and set up authentication headers.
RunwayML uses Bearer token authentication via RUNWAYML_API_SECRET.
"""
# Use api_key from litellm_params if available, otherwise fall back to other sources
if litellm_params and litellm_params.api_key:
api_key = api_key or litellm_params.api_key
api_key = (
api_key
or litellm.api_key
or get_secret_str("RUNWAYML_API_SECRET")
or get_secret_str("RUNWAYML_API_KEY")
)
if api_key is None:
raise ValueError(
"RunwayML API key is required. Set RUNWAYML_API_SECRET environment variable "
"or pass api_key parameter."
)
headers.update(
{
"Authorization": f"Bearer {api_key}",
"X-Runway-Version": RUNWAYML_DEFAULT_API_VERSION,
"Content-Type": "application/json",
}
)
return headers
def get_complete_url(
self,
model: str,
api_base: Optional[str],
litellm_params: dict,
) -> str:
"""
Get the base URL for RunwayML API.
The specific endpoint path will be added in the transform methods.
"""
if api_base is None:
api_base = "https://api.dev.runwayml.com/v1"
return api_base.rstrip("/")
def transform_video_create_request(
self,
model: str,
prompt: str,
api_base: str,
video_create_optional_request_params: Dict,
litellm_params: GenericLiteLLMParams,
headers: dict,
) -> Tuple[Dict, RequestFiles, str]:
"""
Transform the video creation request for RunwayML API.
RunwayML expects:
{
"model": "gen4_turbo",
"promptImage": "https://... or data:image/...",
"promptText": "description",
"ratio": "1280:720",
"duration": 5
}
"""
# Build the request data
request_data: Dict[str, Any] = {
"model": model,
"promptText": prompt,
}
# Add mapped parameters
request_data.update(video_create_optional_request_params)
# RunwayML uses JSON body, no files multipart
files_list: List[Tuple[str, Any]] = []
# Append the specific endpoint for video generation
full_api_base = f"{api_base}/image_to_video"
return request_data, files_list, full_api_base
def transform_video_create_response(
self,
model: str,
raw_response: httpx.Response,
logging_obj: LiteLLMLoggingObj,
custom_llm_provider: Optional[str] = None,
request_data: Optional[Dict] = None,
) -> VideoObject:
"""
Transform the RunwayML video creation response.
RunwayML returns a task object that looks like:
{
"id": "task_123...",
"status": "PENDING" | "RUNNING" | "SUCCEEDED" | "FAILED",
"output": ["https://...video.mp4"] (when succeeded)
}
We map this to OpenAI VideoObject format.
"""
response_data = raw_response.json()
# Map RunwayML task response to VideoObject format
video_data: Dict[str, Any] = {
"id": response_data.get("id", ""),
"object": "video",
"status": self._map_runway_status(response_data.get("status", "pending")),
"created_at": self._parse_runway_timestamp(response_data.get("createdAt")),
}
# Add optional fields if present
if "output" in response_data and response_data["output"]:
# RunwayML returns output as array of URLs when task succeeds
video_data["output_url"] = (
response_data["output"][0]
if isinstance(response_data["output"], list)
else response_data["output"]
)
if "completedAt" in response_data:
video_data["completed_at"] = self._parse_runway_timestamp(
response_data.get("completedAt")
)
if "failureCode" in response_data or "failure" in response_data:
video_data["error"] = {
"code": response_data.get("failureCode", "unknown"),
"message": response_data.get("failure", "Video generation failed"),
}
# Add model and size info if available from request
if request_data:
if "model" in request_data:
video_data["model"] = request_data["model"]
if "ratio" in request_data:
# Convert ratio back to size format
ratio = request_data["ratio"]
if isinstance(ratio, str) and ":" in ratio:
video_data["size"] = ratio.replace(":", "x")
if "duration" in request_data:
video_data["seconds"] = str(request_data["duration"])
video_obj = VideoObject(**video_data) # type: ignore[arg-type]
if custom_llm_provider and video_obj.id:
video_obj.id = encode_video_id_with_provider(
video_obj.id, custom_llm_provider, model
)
# Add usage data for cost tracking
usage_data = {}
if video_obj and hasattr(video_obj, "seconds") and video_obj.seconds:
try:
usage_data["duration_seconds"] = float(video_obj.seconds)
except (ValueError, TypeError):
pass
video_obj.usage = usage_data
return video_obj
def _map_runway_status(self, runway_status: str) -> str:
"""
Map RunwayML status to OpenAI status format.
RunwayML statuses: PENDING, RUNNING, SUCCEEDED, FAILED, CANCELLED
OpenAI statuses: queued, in_progress, completed, failed
"""
status_map = {
"PENDING": "queued",
"RUNNING": "in_progress",
"SUCCEEDED": "completed",
"FAILED": "failed",
"CANCELLED": "failed",
"THROTTLED": "queued",
}
return status_map.get(runway_status.upper(), "queued")
def _parse_runway_timestamp(self, timestamp_str: Optional[str]) -> int:
"""
Convert RunwayML ISO 8601 timestamp to Unix timestamp.
RunwayML returns timestamps like: "2025-11-11T21:48:50.448Z"
We need to convert to Unix timestamp (seconds since epoch).
"""
if not timestamp_str:
return 0
try:
# Parse ISO 8601 timestamp
dt = datetime.fromisoformat(timestamp_str.replace("Z", "+00:00"))
# Convert to Unix timestamp
return int(dt.timestamp())
except (ValueError, AttributeError):
return 0
def transform_video_content_request(
self,
video_id: str,
api_base: str,
litellm_params: GenericLiteLLMParams,
headers: dict,
variant: Optional[str] = None,
) -> Tuple[str, Dict]:
"""
Transform the video content request for RunwayML API.
RunwayML doesn't have a separate content download endpoint.
The video URL is returned in the task output field.
We'll retrieve the task and extract the video URL.
"""
original_video_id = extract_original_video_id(video_id)
# Get task status to retrieve video URL
url = f"{api_base}/tasks/{original_video_id}"
params: Dict[str, Any] = {}
return url, params
def _extract_video_url_from_response(self, response_data: Dict[str, Any]) -> str:
"""
Helper method to extract video URL from RunwayML response.
Shared between sync and async transforms.
"""
# Extract video URL from the output field
video_url = None
if "output" in response_data and response_data["output"]:
output = response_data["output"]
video_url = output[0] if isinstance(output, list) else output
if not video_url:
# Check if the video generation failed or is still processing
status = response_data.get("status", "UNKNOWN")
if status in ["PENDING", "RUNNING", "THROTTLED"]:
raise ValueError(
f"Video is still processing (status: {status}). Please wait and try again."
)
elif status == "FAILED":
failure_reason = response_data.get("failure", "Unknown error")
raise ValueError(f"Video generation failed: {failure_reason}")
else:
raise ValueError(
"Video URL not found in response. Video may not be ready yet."
)
return video_url
def transform_video_content_response(
self,
raw_response: httpx.Response,
logging_obj: LiteLLMLoggingObj,
) -> bytes:
"""
Transform the RunwayML video content download response (synchronous).
RunwayML's task endpoint returns JSON with a video URL in the output field.
We need to extract the URL and download the video.
Example response:
{
"id":"63fd0f13-f29d-4e58-99d3-1cb9efa14a5b",
"createdAt":"2025-11-11T21:48:50.448Z",
"status":"SUCCEEDED",
"output":["https://dnznrvs05pmza.cloudfront.net/.../video.mp4?_jwt=..."]
}
"""
response_data = raw_response.json()
video_url = self._extract_video_url_from_response(response_data)
# Download the video from the CloudFront URL synchronously
httpx_client: HTTPHandler = _get_httpx_client()
video_response = httpx_client.get(video_url)
video_response.raise_for_status()
return video_response.content
async def async_transform_video_content_response(
self,
raw_response: httpx.Response,
logging_obj: LiteLLMLoggingObj,
) -> bytes:
"""
Transform the RunwayML video content download response (asynchronous).
RunwayML's task endpoint returns JSON with a video URL in the output field.
We need to extract the URL and download the video asynchronously.
Example response:
{
"id":"63fd0f13-f29d-4e58-99d3-1cb9efa14a5b",
"createdAt":"2025-11-11T21:48:50.448Z",
"status":"SUCCEEDED",
"output":["https://dnznrvs05pmza.cloudfront.net/.../video.mp4?_jwt=..."]
}
"""
response_data = raw_response.json()
video_url = self._extract_video_url_from_response(response_data)
# Download the video from the CloudFront URL asynchronously
async_httpx_client: AsyncHTTPHandler = get_async_httpx_client(
llm_provider=litellm.LlmProviders.RUNWAYML,
)
video_response = await async_httpx_client.get(video_url)
video_response.raise_for_status()
return video_response.content
def transform_video_remix_request(
self,
video_id: str,
prompt: str,
api_base: str,
litellm_params: GenericLiteLLMParams,
headers: dict,
extra_body: Optional[Dict[str, Any]] = None,
) -> Tuple[str, Dict]:
"""
Transform the video remix request for RunwayML API.
RunwayML doesn't have a direct remix endpoint in their current API.
This would need to be implemented when/if they add this feature.
"""
raise NotImplementedError("Video remix is not yet supported by RunwayML API")
def transform_video_remix_response(
self,
raw_response: httpx.Response,
logging_obj: LiteLLMLoggingObj,
custom_llm_provider: Optional[str] = None,
) -> VideoObject:
"""Transform the RunwayML video remix response."""
raise NotImplementedError("Video remix is not yet supported by RunwayML API")
def transform_video_list_request(
self,
api_base: str,
litellm_params: GenericLiteLLMParams,
headers: dict,
after: Optional[str] = None,
limit: Optional[int] = None,
order: Optional[str] = None,
extra_query: Optional[Dict[str, Any]] = None,
) -> Tuple[str, Dict]:
"""
Transform the video list request for RunwayML API.
RunwayML doesn't expose a list endpoint in their public API yet.
"""
raise NotImplementedError("Video listing is not yet supported by RunwayML API")
def transform_video_list_response(
self,
raw_response: httpx.Response,
logging_obj: LiteLLMLoggingObj,
custom_llm_provider: Optional[str] = None,
) -> Dict[str, str]:
"""Transform the RunwayML video list response."""
raise NotImplementedError("Video listing is not yet supported by RunwayML API")
def transform_video_delete_request(
self,
video_id: str,
api_base: str,
litellm_params: GenericLiteLLMParams,
headers: dict,
) -> Tuple[str, Dict]:
"""
Transform the video delete request for RunwayML API.
RunwayML uses task cancellation.
"""
original_video_id = extract_original_video_id(video_id)
# Construct the URL for task cancellation
url = f"{api_base}/tasks/{original_video_id}/cancel"
data: Dict[str, Any] = {}
return url, data
def transform_video_delete_response(
self,
raw_response: httpx.Response,
logging_obj: LiteLLMLoggingObj,
) -> VideoObject:
"""Transform the RunwayML video delete/cancel response."""
response_data = raw_response.json()
video_obj = VideoObject(
id=response_data.get("id", ""),
object="video",
status="cancelled",
created_at=self._parse_runway_timestamp(response_data.get("createdAt")),
) # type: ignore[arg-type]
return video_obj
def transform_video_status_retrieve_request(
self,
video_id: str,
api_base: str,
litellm_params: GenericLiteLLMParams,
headers: dict,
) -> Tuple[str, Dict]:
"""
Transform the RunwayML video status retrieve request.
RunwayML uses GET /v1/tasks/{task_id} to retrieve task status.
"""
original_video_id = extract_original_video_id(video_id)
# Construct the full URL for task status retrieval
url = f"{api_base}/tasks/{original_video_id}"
# Empty dict for GET request (no body)
data: Dict[str, Any] = {}
return url, data
def transform_video_status_retrieve_response(
self,
raw_response: httpx.Response,
logging_obj: LiteLLMLoggingObj,
custom_llm_provider: Optional[str] = None,
) -> VideoObject:
"""
Transform the RunwayML video status retrieve response.
"""
response_data = raw_response.json()
# Map RunwayML task response to VideoObject format
video_data: Dict[str, Any] = {
"id": response_data.get("id", ""),
"object": "video",
"status": self._map_runway_status(response_data.get("status", "pending")),
"created_at": self._parse_runway_timestamp(response_data.get("createdAt")),
}
# Add optional fields if present
if "output" in response_data and response_data["output"]:
video_data["output_url"] = (
response_data["output"][0]
if isinstance(response_data["output"], list)
else response_data["output"]
)
if "completedAt" in response_data:
video_data["completed_at"] = self._parse_runway_timestamp(
response_data.get("completedAt")
)
if "progress" in response_data:
video_data["progress"] = response_data["progress"]
if "failureCode" in response_data or "failure" in response_data:
video_data["error"] = {
"code": response_data.get("failureCode", "unknown"),
"message": response_data.get("failure", "Video generation failed"),
}
video_obj = VideoObject(**video_data) # type: ignore[arg-type]
if custom_llm_provider and video_obj.id:
video_obj.id = encode_video_id_with_provider(
video_obj.id, custom_llm_provider, None
)
return video_obj
def get_error_class(
self, error_message: str, status_code: int, headers: Union[dict, httpx.Headers]
) -> BaseLLMException:
from ...base_llm.chat.transformation import BaseLLMException
raise BaseLLMException(
status_code=status_code,
message=error_message,
headers=headers,
)