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https://github.com/windmill-labs/windmill.git
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centdix
31e002ad41
* init * test in frontend * copy files * use in cli * better * add desc to sdks * better * fix ts parsing * add docs to ts client * add docs to python client * use script prompt in frontend * regen * use in flow * rm * use in cli, create AGENTS.md instead of cursor rules * remove apply * better * better * simplify cli * more docs * cleaning * update readme * generate cli file * better folder names * fix ts * fix multiline
87 lines
2.6 KiB
Python
87 lines
2.6 KiB
Python
from io import BufferedReader, BytesIO
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from typing import Optional, Union
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import httpx
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class S3BufferedReader(BufferedReader):
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"""Streaming buffered reader for S3 files via Windmill's S3 proxy.
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Args:
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workspace: Windmill workspace ID
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windmill_client: HTTP client for Windmill API
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file_key: S3 file key/path
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s3_resource_path: Optional path to S3 resource configuration
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storage: Optional storage backend identifier
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"""
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def __init__(self, workspace: str, windmill_client: httpx.Client, file_key: str, s3_resource_path: Optional[str], storage: Optional[str]):
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params = {
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"file_key": file_key,
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}
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if s3_resource_path is not None:
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params["s3_resource_path"] = s3_resource_path
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if storage is not None:
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params["storage"] = storage
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self._context_manager = windmill_client.stream(
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"GET",
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f"/w/{workspace}/job_helpers/download_s3_file",
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params=params,
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timeout=None,
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)
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def __enter__(self):
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reader = self._context_manager.__enter__()
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if reader.status_code >= 400:
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error_bytes = reader.read()
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try:
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error_text = error_bytes.decode('utf-8')
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except UnicodeDecodeError:
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error_text = str(error_bytes)
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raise httpx.HTTPStatusError(
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f"Failed to load S3 file: {reader.status_code} {reader.reason_phrase} - {error_text}",
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request=reader.request,
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response=reader
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)
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self._iterator = reader.iter_bytes()
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return self
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def peek(self, size=0):
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raise Exception("Not implemented, use read() instead")
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def read(self, size=-1):
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read_result = []
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if size < 0:
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for b in self._iterator:
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read_result.append(b)
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else:
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for i in range(size):
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try:
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b = self._iterator.__next__()
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except StopIteration:
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break
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read_result.append(b)
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return b"".join(read_result)
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def read1(self, size=-1):
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return self.read(size)
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def __exit__(self, *args):
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self._context_manager.__exit__(*args)
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def bytes_generator(buffered_reader: Union[BufferedReader, BytesIO]):
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"""Yield 50KB chunks from a buffered reader.
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Args:
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buffered_reader: File-like object to read from
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Yields:
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Bytes chunks of up to 50KB
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"""
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while True:
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byte = buffered_reader.read(50 * 1024)
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if not byte:
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break
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yield byte
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