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Fix --raw with --chunked (#1254)
* Fix --raw with --chunked * Better naming / annotations * More annotations
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Batuhan Taskaya
GitHub
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@ -21,6 +21,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
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- Broken plugins will no longer crash the whole application. ([#1204](https://github.com/httpie/httpie/issues/1204))
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- Fixed auto addition of XML declaration to every formatted XML response. ([#1156](https://github.com/httpie/httpie/issues/1156))
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- Fixed highlighting when `Content-Type` specifies `charset`. ([#1242](https://github.com/httpie/httpie/issues/1242))
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- Fixed an unexpected crash when `--raw` is used with `--chunked`. ([#1253](https://github.com/httpie/httpie/issues/1253))
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## [2.6.0](https://github.com/httpie/httpie/compare/2.5.0...2.6.0) (2021-10-14)
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@ -4,7 +4,7 @@ import json
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import sys
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from contextlib import contextmanager
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from pathlib import Path
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from typing import Callable, Iterable
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from typing import Any, Dict, Callable, Iterable
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from urllib.parse import urlparse, urlunparse
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import requests
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@ -273,6 +273,24 @@ def make_send_kwargs_mergeable_from_env(args: argparse.Namespace) -> dict:
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}
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def json_dict_to_request_body(data: Dict[str, Any]) -> str:
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# Propagate the top-level list if there is only one
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# item in the object, with an en empty key.
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if len(data) == 1:
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[(key, value)] = data.items()
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if key == '' and isinstance(value, list):
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data = value
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if data:
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data = json.dumps(data)
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else:
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# We need to set data to an empty string to prevent requests
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# from assigning an empty list to `response.request.data`.
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data = ''
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return data
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def make_request_kwargs(
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args: argparse.Namespace,
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base_headers: HTTPHeadersDict = None,
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@ -287,19 +305,7 @@ def make_request_kwargs(
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data = args.data
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auto_json = data and not args.form
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if (args.json or auto_json) and isinstance(data, dict):
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# Propagate the top-level list if there is only one
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# item in the object, with an en empty key.
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if len(data) == 1:
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[(key, value)] = data.items()
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if key == '' and isinstance(value, list):
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data = value
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if data:
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data = json.dumps(data)
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else:
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# We need to set data to an empty string to prevent requests
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# from assigning an empty list to `response.request.data`.
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data = ''
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data = json_dict_to_request_body(data)
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# Finalize headers.
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headers = make_default_headers(args)
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@ -324,7 +330,7 @@ def make_request_kwargs(
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'url': args.url,
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'headers': headers,
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'data': prepare_request_body(
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body=data,
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data,
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body_read_callback=request_body_read_callback,
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chunked=args.chunked,
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offline=args.offline,
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@ -1,5 +1,6 @@
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import zlib
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from typing import Callable, IO, Iterable, Tuple, Union, TYPE_CHECKING
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import functools
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from typing import Any, Callable, IO, Iterable, Optional, Tuple, Union, TYPE_CHECKING
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from urllib.parse import urlencode
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import requests
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@ -11,7 +12,12 @@ if TYPE_CHECKING:
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from .cli.dicts import MultipartRequestDataDict, RequestDataDict
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class ChunkedUploadStream:
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class ChunkedStream:
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def __iter__(self) -> Iterable[Union[str, bytes]]:
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raise NotImplementedError
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class ChunkedUploadStream(ChunkedStream):
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def __init__(self, stream: Iterable, callback: Callable):
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self.callback = callback
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self.stream = stream
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@ -22,7 +28,7 @@ class ChunkedUploadStream:
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yield chunk
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class ChunkedMultipartUploadStream:
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class ChunkedMultipartUploadStream(ChunkedStream):
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chunk_size = 100 * 1024
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def __init__(self, encoder: 'MultipartEncoder'):
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@ -36,69 +42,101 @@ class ChunkedMultipartUploadStream:
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yield chunk
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def as_bytes(data: Union[str, bytes]) -> bytes:
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if isinstance(data, str):
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return data.encode()
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else:
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return data
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CallbackT = Callable[[bytes], bytes]
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def _wrap_function_with_callback(
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func: Callable[..., Any],
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callback: CallbackT
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) -> Callable[..., Any]:
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@functools.wraps(func)
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def wrapped(*args, **kwargs):
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chunk = func(*args, **kwargs)
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callback(chunk)
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return chunk
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return wrapped
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def _prepare_file_for_upload(
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file: Union[IO, 'MultipartEncoder'],
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callback: CallbackT,
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chunked: bool = False,
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content_length_header_value: Optional[int] = None,
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) -> Union[bytes, IO, ChunkedStream]:
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if not super_len(file):
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# Zero-length -> assume stdin.
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if content_length_header_value is None and not chunked:
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# Read the whole stdin to determine `Content-Length`.
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#
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# TODO: Instead of opt-in --chunked, consider making
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# `Transfer-Encoding: chunked` for STDIN opt-out via
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# something like --no-chunked.
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# This would be backwards-incompatible so wait until v3.0.0.
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#
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file = as_bytes(file.read())
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else:
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file.read = _wrap_function_with_callback(
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file.read,
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callback
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)
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if chunked:
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from requests_toolbelt import MultipartEncoder
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if isinstance(file, MultipartEncoder):
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return ChunkedMultipartUploadStream(
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encoder=file,
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)
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else:
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return ChunkedUploadStream(
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stream=file,
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callback=callback,
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)
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else:
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return file
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def prepare_request_body(
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body: Union[str, bytes, IO, 'MultipartEncoder', RequestDataDict],
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body_read_callback: Callable[[bytes], bytes],
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content_length_header_value: int = None,
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chunked=False,
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offline=False,
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) -> Union[str, bytes, IO, 'MultipartEncoder', ChunkedUploadStream]:
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is_file_like = hasattr(body, 'read')
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if isinstance(body, RequestDataDict):
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body = urlencode(body, doseq=True)
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raw_body: Union[str, bytes, IO, 'MultipartEncoder', RequestDataDict],
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body_read_callback: CallbackT,
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offline: bool = False,
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chunked: bool = False,
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content_length_header_value: Optional[int] = None,
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) -> Union[bytes, IO, 'MultipartEncoder', ChunkedStream]:
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is_file_like = hasattr(raw_body, 'read')
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if isinstance(raw_body, (bytes, str)):
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body = as_bytes(raw_body)
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elif isinstance(raw_body, RequestDataDict):
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body = as_bytes(urlencode(raw_body, doseq=True))
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else:
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body = raw_body
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if offline:
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if is_file_like:
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return body.read()
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return body
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if not is_file_like:
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if chunked:
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body = ChunkedUploadStream(
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# Pass the entire body as one chunk.
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stream=(chunk.encode() for chunk in [body]),
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callback=body_read_callback,
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)
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else:
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# File-like object.
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if not super_len(body):
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# Zero-length -> assume stdin.
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if content_length_header_value is None and not chunked:
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#
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# Read the whole stdin to determine `Content-Length`.
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#
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# TODO: Instead of opt-in --chunked, consider making
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# `Transfer-Encoding: chunked` for STDIN opt-out via
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# something like --no-chunked.
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# This would be backwards-incompatible so wait until v3.0.0.
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#
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body = body.read()
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return as_bytes(raw_body.read())
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else:
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orig_read = body.read
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return body
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def new_read(*args):
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chunk = orig_read(*args)
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body_read_callback(chunk)
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return chunk
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body.read = new_read
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if chunked:
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from requests_toolbelt import MultipartEncoder
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if isinstance(body, MultipartEncoder):
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body = ChunkedMultipartUploadStream(
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encoder=body,
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)
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else:
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body = ChunkedUploadStream(
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stream=body,
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callback=body_read_callback,
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)
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return body
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if is_file_like:
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return _prepare_file_for_upload(
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body,
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chunked=chunked,
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callback=body_read_callback,
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content_length_header_value=content_length_header_value
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)
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elif chunked:
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return ChunkedUploadStream(
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stream=iter([body]),
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callback=body_read_callback
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)
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else:
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return body
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def get_multipart_data_and_content_type(
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@ -1,4 +1,5 @@
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import os
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import json
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import pytest
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@ -70,6 +71,18 @@ def test_chunked_stdin_multiple_chunks(httpbin_with_chunked_support):
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assert r.count(FILE_CONTENT) == 4
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def test_chunked_raw(httpbin_with_chunked_support):
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r = http(
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'--verbose',
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'--chunked',
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httpbin_with_chunked_support + '/post',
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'--raw',
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json.dumps({'a': 1, 'b': '2fafds', 'c': '🥰'}),
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)
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assert HTTP_OK in r
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assert 'Transfer-Encoding: chunked' in r
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class TestMultipartFormDataFileUpload:
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def test_non_existent_file_raises_parse_error(self, httpbin):
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