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Make fieldnames of csv.DictReader Optional (#3534)

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Also run stdlib/2and3/csv.pyi through black and isort
This commit is contained in:
Alois Klink
2019-12-09 19:22:42 +00:00
committed by Sebastian Rittau
parent 9b63192390
commit a06abc5dff
1 changed files with 37 additions and 25 deletions
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62
stdlib/2and3/csv.pyi
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@@ -1,23 +1,23 @@
from collections import OrderedDict
import sys
from _csv import (
QUOTE_ALL as QUOTE_ALL,
QUOTE_MINIMAL as QUOTE_MINIMAL,
QUOTE_NONE as QUOTE_NONE,
QUOTE_NONNUMERIC as QUOTE_NONNUMERIC,
Error as Error,
_reader,
_writer,
field_size_limit as field_size_limit,
get_dialect as get_dialect,
list_dialects as list_dialects,
reader as reader,
register_dialect as register_dialect,
unregister_dialect as unregister_dialect,
writer as writer,
)
from collections import OrderedDict
from typing import Any, Dict, Iterable, Iterator, List, Mapping, Optional, Sequence, Text, Type, Union
from _csv import (_reader,
_writer,
reader as reader,
writer as writer,
register_dialect as register_dialect,
unregister_dialect as unregister_dialect,
get_dialect as get_dialect,
list_dialects as list_dialects,
field_size_limit as field_size_limit,
QUOTE_ALL as QUOTE_ALL,
QUOTE_MINIMAL as QUOTE_MINIMAL,
QUOTE_NONE as QUOTE_NONE,
QUOTE_NONNUMERIC as QUOTE_NONNUMERIC,
Error as Error,
)
_Dialect = Union[str, Dialect, Type[Dialect]]
_DictRow = Mapping[str, Any]
@@ -56,7 +56,6 @@ if sys.version_info >= (3, 6):
else:
_DRMapping = Dict[str, str]
class DictReader(Iterator[_DRMapping]):
restkey: Optional[str]
restval: Optional[str]
@@ -64,24 +63,37 @@ class DictReader(Iterator[_DRMapping]):
dialect: _Dialect
line_num: int
fieldnames: Sequence[str]
def __init__(self, f: Iterable[Text], fieldnames: Sequence[str] = ...,
restkey: Optional[str] = ..., restval: Optional[str] = ..., dialect: _Dialect = ...,
*args: Any, **kwds: Any) -> None: ...
def __init__(
self,
f: Iterable[Text],
fieldnames: Optional[Sequence[str]] = ...,
restkey: Optional[str] = ...,
restval: Optional[str] = ...,
dialect: _Dialect = ...,
*args: Any,
**kwds: Any,
) -> None: ...
def __iter__(self) -> DictReader: ...
if sys.version_info >= (3,):
def __next__(self) -> _DRMapping: ...
else:
def next(self) -> _DRMapping: ...
class DictWriter(object):
fieldnames: Sequence[str]
restval: Optional[Any]
extrasaction: str
writer: _writer
def __init__(self, f: Any, fieldnames: Iterable[str],
restval: Optional[Any] = ..., extrasaction: str = ..., dialect: _Dialect = ...,
*args: Any, **kwds: Any) -> None: ...
def __init__(
self,
f: Any,
fieldnames: Iterable[str],
restval: Optional[Any] = ...,
extrasaction: str = ...,
dialect: _Dialect = ...,
*args: Any,
**kwds: Any,
) -> None: ...
def writeheader(self) -> None: ...
def writerow(self, rowdict: _DictRow) -> None: ...
def writerows(self, rowdicts: Iterable[_DictRow]) -> None: ...