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5150658 | 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 | """Patch: allow multiple file uploads in one request.
Backend changes:
1. Replace the single-file helper with a multi-file helper.
2. Rewrite the upload route to accept up to 20 files and return a list of
DatasetUploadResponse, uploading each file to the session's Hub dataset
repo and injecting a context note for each.
"""
import ast
import re
import os
AGENT_FILE = "/app/backend/routes/agent.py"
with open(AGENT_FILE) as f:
c = f.read()
# ---- 1. Replace single-file helper with multi-file helper ----
old_helper = '''def _dataset_upload_file_from_form(form: FormData) -> UploadFile:
uploaded_files = [
(key, value)
for key, value in form.multi_items()
if isinstance(value, UploadFile)
]
if len(uploaded_files) != 1:
raise HTTPException(
status_code=400,
detail="Upload exactly one dataset file.",
)
field_name, upload = uploaded_files[0]
if field_name != "file":
raise HTTPException(
status_code=400,
detail="Missing 'file' upload field.",
)
return upload
'''
new_helper = '''def _dataset_upload_files_from_form(form: FormData) -> list[UploadFile]:
"""Return all uploaded files from the multipart form (field 'file' or 'files')."""
uploaded_files = [
value
for key, value in form.multi_items()
if isinstance(value, UploadFile)
]
if not uploaded_files:
raise HTTPException(
status_code=400,
detail="No file uploads found in the request.",
)
return uploaded_files
'''
if old_helper in c:
c = c.replace(old_helper, new_helper)
print("OK: replaced helper with multi-file helper")
else:
print("WARN: single-file helper not found (check indentation)")
# ---- 2. Rewrite the upload route to handle multiple files ----
# Replace the entire function based on its decorator + route path.
start_marker = '@router.post("/session/{session_id}/datasets"'
end_marker = '@router.patch("/session/{session_id}/yolo")'
start = c.find(start_marker)
end = c.find(end_marker)
if start == -1 or end == -1:
print(f"FAIL: route markers not found (start={start}, end={end})")
raise SystemExit(1)
new_route = '''@router.post("/session/{session_id}/datasets", response_model=list[DatasetUploadResponse])
async def upload_session_dataset(
session_id: str,
request: Request,
user: dict = Depends(get_current_user),
) -> list[DatasetUploadResponse]:
"""Upload one or more document/dataset files to a private Hub dataset for this session."""
files: list[UploadFile] = []
try:
_reject_oversize_dataset_upload(request)
agent_session = await _check_session_access(session_id, user, request)
if not agent_session or not agent_session.is_active:
raise HTTPException(status_code=404, detail="Session not found")
if agent_session.is_processing:
raise HTTPException(
status_code=409,
detail="Cannot upload files while the agent is processing.",
)
if agent_session.session.pending_approval:
raise HTTPException(
status_code=409,
detail="Resolve pending approvals before uploading files.",
)
hf_token = (
resolve_hf_request_token(request, include_env_fallback=False)
or _user_hf_token(user)
or resolve_hf_request_token(request)
)
if not hf_token:
raise HTTPException(
status_code=401,
detail="A Hugging Face token is required to upload files.",
)
form = await request.form(
max_files=20,
max_fields=20,
max_part_size=MAX_DATASET_UPLOAD_BYTES,
)
files = _dataset_upload_files_from_form(form)
if not files:
raise HTTPException(status_code=400, detail="No files to upload.")
hf_username = user.get("username") or agent_session.hf_username
results: list[DatasetUploadResponse] = []
for file in files:
uploaded = await push_dataset_upload_to_hub(
upload=file,
session_id=session_id,
hf_username=hf_username,
hf_token=hf_token,
)
agent_session.session.context_manager.add_message(
Message(role="user", content=format_uploaded_document_context(
filename=uploaded.original_filename,
stored_filename=uploaded.filename,
repo_id=uploaded.repo_id,
path_in_repo=uploaded.path_in_repo,
hub_url=uploaded.hub_url,
size_bytes=uploaded.size_bytes,
file_format=uploaded.format,
extracted_text=uploaded.extracted_text,
warning=uploaded.extraction_warning,
))
)
results.append(DatasetUploadResponse(**uploaded.response_payload()))
logger.info(
"Uploaded file %s to %s for session %s",
uploaded.filename,
uploaded.repo_id,
session_id,
)
session_manager._touch(agent_session)
await session_manager.persist_session_snapshot(agent_session)
return results
except HTTPException:
raise
except HfHubHTTPError as e:
logger.warning(
"Hub rejected file upload for session %s: status=%s request_id=%s",
session_id,
getattr(e.response, "status_code", None),
getattr(e, "request_id", None),
)
raise _dataset_upload_hub_http_exception(e)
except Exception:
logger.exception("File upload failed for session %s", session_id)
raise HTTPException(
status_code=502,
detail="File upload failed. Please try again.",
)
finally:
for f in files:
await f.close()
'''
c = c[:start] + new_route + c[end:]
with open(AGENT_FILE, "w") as f:
f.write(c)
try:
ast.parse(c)
print("OK: agent.py written & syntax valid")
except SyntaxError as e:
print(f"FAIL: agent.py syntax error: {e}")
raise
print("DONE: multi-file upload backend patch complete")
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