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0a4deb9 | 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 | #!/usr/bin/env python3
import argparse
import os
import subprocess
import tempfile
import time
from pathlib import Path
from google import genai
DEFAULT_PROMPT = (
"Please describe the exact sequence of events in this video. "
"Specifically, when does the loudest sound occur in relation to the visual impact?"
)
def run_cmd(cmd):
subprocess.run(cmd, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
def make_video_only(input_video: Path, output_video: Path):
# Remove audio track to simulate visual-only input.
cmd = [
"ffmpeg",
"-y",
"-i",
str(input_video),
"-map",
"0:v:0",
"-an",
"-c:v",
"copy",
str(output_video),
]
run_cmd(cmd)
def make_audio_only(input_video: Path, output_audio: Path):
# Extract mono wav audio for audio-only case.
cmd = [
"ffmpeg",
"-y",
"-i",
str(input_video),
"-vn",
"-ac",
"1",
"-ar",
"16000",
str(output_audio),
]
run_cmd(cmd)
def wait_until_active(client: genai.Client, file_name: str, timeout_sec: int = 300):
start = time.time()
while True:
meta = client.files.get(name=file_name)
state = getattr(getattr(meta, "state", None), "name", None) or str(getattr(meta, "state", ""))
if state == "ACTIVE":
return
if state == "FAILED":
raise RuntimeError(f"Gemini file processing failed: {file_name}")
if time.time() - start > timeout_sec:
raise TimeoutError(f"Timed out waiting for Gemini file ACTIVE: {file_name}")
time.sleep(2)
def is_503_unavailable(exc: Exception) -> bool:
msg = str(exc)
return "503" in msg and "UNAVAILABLE" in msg
def generate_with_retry(
client: genai.Client,
model: str,
uploaded,
prompt: str,
max_retries: int,
retry_wait_sec: float,
):
attempt = 0
while True:
try:
return client.models.generate_content(model=model, contents=[uploaded, prompt])
except Exception as exc: # SDK raises typed errors but this keeps compatibility
if not is_503_unavailable(exc) or attempt >= max_retries:
raise
sleep_s = retry_wait_sec * (2 ** attempt)
print(
f"[retry] {model} busy (503). attempt {attempt + 1}/{max_retries}, "
f"sleep {sleep_s:.1f}s ..."
)
time.sleep(sleep_s)
attempt += 1
def run_case(
client: genai.Client,
model: str,
fallback_model: str,
case_name: str,
media_path: Path,
prompt: str,
max_retries: int,
retry_wait_sec: float,
):
uploaded = client.files.upload(file=str(media_path))
wait_until_active(client, uploaded.name)
try:
resp = generate_with_retry(
client=client,
model=model,
uploaded=uploaded,
prompt=prompt,
max_retries=max_retries,
retry_wait_sec=retry_wait_sec,
)
except Exception as exc:
if fallback_model and is_503_unavailable(exc):
print(f"[fallback] switch to model: {fallback_model}")
resp = generate_with_retry(
client=client,
model=fallback_model,
uploaded=uploaded,
prompt=prompt,
max_retries=max_retries,
retry_wait_sec=retry_wait_sec,
)
else:
raise
text = (resp.text or "").strip()
print(f"\n===== {case_name} =====")
print(text if text else "<empty response>")
def main():
parser = argparse.ArgumentParser(description="Gemini AV/Video-only/Audio-only test runner.")
parser.add_argument("--video", required=True, help="Input video path.")
parser.add_argument(
"--model",
default="gemini-3.1-pro-preview",
help="Gemini model id.",
)
parser.add_argument(
"--cases",
default="av,video_only,audio_only",
help="Comma-separated cases: av,video_only,audio_only",
)
parser.add_argument(
"--fallback-model",
default="",
help="Optional fallback model if primary model returns 503.",
)
parser.add_argument(
"--max-retries",
type=int,
default=5,
help="Retries for transient 503 errors.",
)
parser.add_argument(
"--retry-wait-sec",
type=float,
default=2.0,
help="Base wait seconds for exponential backoff (2,4,8,...)",
)
parser.add_argument("--prompt", default=DEFAULT_PROMPT)
args = parser.parse_args()
api_key = os.getenv("GEMINI_API_KEY")
if not api_key:
raise RuntimeError("GEMINI_API_KEY is not set.")
input_video = Path(args.video)
if not input_video.exists():
raise FileNotFoundError(f"Video not found: {input_video}")
selected = {c.strip() for c in args.cases.split(",") if c.strip()}
allowed = {"av", "video_only", "audio_only"}
bad = selected - allowed
if bad:
raise ValueError(f"Unknown cases: {sorted(bad)}. Allowed: {sorted(allowed)}")
client = genai.Client(api_key=api_key)
print(f"Model: {args.model}")
print(f"Video: {input_video}")
print(f"Cases: {sorted(selected)}")
with tempfile.TemporaryDirectory(prefix="gemini_mm_") as tmpdir:
tmpdir = Path(tmpdir)
muted_video = tmpdir / "video_only.mp4"
audio_wav = tmpdir / "audio_only.wav"
if "av" in selected:
run_case(
client,
args.model,
args.fallback_model,
"AV (video + audio)",
input_video,
args.prompt,
args.max_retries,
args.retry_wait_sec,
)
if "video_only" in selected:
make_video_only(input_video, muted_video)
run_case(
client,
args.model,
args.fallback_model,
"Video only (muted video)",
muted_video,
args.prompt,
args.max_retries,
args.retry_wait_sec,
)
if "audio_only" in selected:
make_audio_only(input_video, audio_wav)
run_case(
client,
args.model,
args.fallback_model,
"Audio only (wav)",
audio_wav,
args.prompt,
args.max_retries,
args.retry_wait_sec,
)
print("\nDone.")
if __name__ == "__main__":
main()
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