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cap request payload to 10MB #73

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Merged
rcholic merged 1 commit into from
Dec 28, 2025
Merged

cap request payload to 10MB #73

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15 changes: 14 additions & 1 deletion sentience/snapshot.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,9 @@
from .browser import SentienceBrowser
from .models import Snapshot, SnapshotOptions

# Maximum payload size for API requests (10MB server limit)
MAX_PAYLOAD_BYTES = 10 * 1024 * 1024


def _save_trace_to_file(raw_elements: list[dict[str, Any]], trace_path: str | None = None) -> None:
"""
Expand Down Expand Up @@ -221,6 +224,16 @@ def _snapshot_via_api(
},
}

# Check payload size before sending (server has 10MB limit)
payload_json = json.dumps(payload)
payload_size = len(payload_json.encode("utf-8"))
if payload_size > MAX_PAYLOAD_BYTES:
raise ValueError(
f"Payload size ({payload_size / 1024 / 1024:.2f}MB) exceeds server limit "
f"({MAX_PAYLOAD_BYTES / 1024 / 1024:.0f}MB). "
f"Try reducing the number of elements on the page or filtering elements."
)

headers = {
"Authorization": f"Bearer {browser.api_key}",
"Content-Type": "application/json",
Expand All @@ -229,7 +242,7 @@ def _snapshot_via_api(
try:
response = requests.post(
f"{browser.api_url}/v1/snapshot",
json=payload,
data=payload_json, # Reuse already-serialized JSON
headers=headers,
timeout=30,
)
Expand Down