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feat(python): Improved type-inference for read_excel and read_ods, use calamine engine for read_ods #15808

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Apr 21, 2024
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feat(python): Improved type-inference for read_excel and read_ods, use calamine engine for read_ods #15808

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6 changes: 3 additions & 3 deletions py-polars/polars/io/avro.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,9 +27,9 @@ def read_avro(
Parameters
----------
source
Path to a file or a file-like object (by file-like object, we refer to objects
that have a `read()` method, such as a file handler (e.g. via builtin `open`
function) or `BytesIO`).
Path to a file or a file-like object (by "file-like object" we refer to objects
that have a `read()` method, such as a file handler like the builtin `open`
function, or a `BytesIO` instance).
columns
Columns to select. Accepts a list of column indices (starting at zero) or a list
of column names.
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37 changes: 17 additions & 20 deletions py-polars/polars/io/csv/functions.py
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Expand Up @@ -77,15 +77,14 @@ def read_csv(
Parameters
----------
source
Path to a file or a file-like object (by file-like object, we refer to objects
that have a `read()` method, such as a file handler (e.g. via builtin `open`
function) or `BytesIO`). If `fsspec` is installed, it will be used to open
remote files.
Path to a file or a file-like object (by "file-like object" we refer to objects
that have a `read()` method, such as a file handler like the builtin `open`
function, or a `BytesIO` instance). If `fsspec` is installed, it will be used
to open remote files.
has_header
Indicate if the first row of dataset is a header or not.
If set to False, column names will be autogenerated in the
following format: `column_x`, with `x` being an
enumeration over every column in the dataset starting at 1.
Indicate if the first row of the dataset is a header or not. If set to False,
column names will be autogenerated in the following format: `column_x`, with
`x` being an enumeration over every column in the dataset, starting at 1.
columns
Columns to select. Accepts a list of column indices (starting
at zero) or a list of column names.
Expand Down Expand Up @@ -637,15 +636,14 @@ def read_csv_batched(
Parameters
----------
source
Path to a file or a file-like object (by file-like object, we refer to objects
that have a `read()` method, such as a file handler (e.g. via builtin `open`
function) or `BytesIO`).If `fsspec` is installed, it will be used to open
remote files.
Path to a file or a file-like object (by "file-like object" we refer to objects
that have a `read()` method, such as a file handler like the builtin `open`
function, or a `BytesIO` instance). If `fsspec` is installed, it will be used
to open remote files.
has_header
Indicate if the first row of dataset is a header or not.
If set to False, column names will be autogenerated in the
following format: `column_x`, with `x` being an
enumeration over every column in the dataset starting at 1.
Indicate if the first row of the dataset is a header or not. If set to False,
column names will be autogenerated in the following format: `column_x`, with
`x` being an enumeration over every column in the dataset, starting at 1.
columns
Columns to select. Accepts a list of column indices (starting
at zero) or a list of column names.
Expand Down Expand Up @@ -940,10 +938,9 @@ def scan_csv(
source
Path to a file.
has_header
Indicate if the first row of dataset is a header or not.
If set to False, column names will be autogenerated in the
following format: `column_x`, with `x` being an
enumeration over every column in the dataset starting at 1.
Indicate if the first row of the dataset is a header or not. If set to False,
column names will be autogenerated in the following format: `column_x`, with
`x` being an enumeration over every column in the dataset, starting at 1.
separator
Single byte character to use as separator in the file.
comment_prefix
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22 changes: 11 additions & 11 deletions py-polars/polars/io/ipc/functions.py
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Expand Up @@ -52,10 +52,10 @@ def read_ipc(
Parameters
----------
source
Path to a file or a file-like object (by file-like object, we refer to objects
that have a `read()` method, such as a file handler (e.g. via builtin `open`
function) or `BytesIO`). If `fsspec` is installed, it will be used to open
remote files.
Path to a file or a file-like object (by "file-like object" we refer to objects
that have a `read()` method, such as a file handler like the builtin `open`
function, or a `BytesIO` instance). If `fsspec` is installed, it will be used
to open remote files.
columns
Columns to select. Accepts a list of column indices (starting at zero) or a list
of column names.
Expand Down Expand Up @@ -193,10 +193,10 @@ def read_ipc_stream(
Parameters
----------
source
Path to a file or a file-like object (by file-like object, we refer to objects
that have a `read()` method, such as a file handler (e.g. via builtin `open`
function) or `BytesIO`). If `fsspec` is installed, it will be used to open
remote files.
Path to a file or a file-like object (by "file-like object" we refer to objects
that have a `read()` method, such as a file handler like the builtin `open`
function, or a `BytesIO` instance). If `fsspec` is installed, it will be used
to open remote files.
columns
Columns to select. Accepts a list of column indices (starting at zero) or a list
of column names.
Expand Down Expand Up @@ -286,9 +286,9 @@ def read_ipc_schema(source: str | Path | IO[bytes] | bytes) -> dict[str, DataTyp
Parameters
----------
source
Path to a file or a file-like object (by file-like object, we refer to objects
that have a `read()` method, such as a file handler (e.g. via builtin `open`
function) or `BytesIO`).
Path to a file or a file-like object (by "file-like object" we refer to objects
that have a `read()` method, such as a file handler like the builtin `open`
function, or a `BytesIO` instance).

Returns
-------
Expand Down
6 changes: 3 additions & 3 deletions py-polars/polars/io/json.py
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Expand Up @@ -32,9 +32,9 @@ def read_json(
Parameters
----------
source
Path to a file or a file-like object (by file-like object, we refer to objects
that have a `read()` method, such as a file handler (e.g. via builtin `open`
function) or `BytesIO`).
Path to a file or a file-like object (by "file-like object" we refer to objects
that have a `read()` method, such as a file handler like the builtin `open`
function, or a `BytesIO` instance).
schema : Sequence of str, (str,DataType) pairs, or a {str:DataType,} dict
The DataFrame schema may be declared in several ways:

Expand Down
6 changes: 3 additions & 3 deletions py-polars/polars/io/ndjson.py
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Expand Up @@ -34,9 +34,9 @@ def read_ndjson(
Parameters
----------
source
Path to a file or a file-like object (by file-like object, we refer to objects
that have a `read()` method, such as a file handler (e.g. via builtin `open`
function) or `BytesIO`).
Path to a file or a file-like object (by "file-like object" we refer to objects
that have a `read()` method, such as a file handler like the builtin `open`
function, or a `BytesIO` instance).
schema : Sequence of str, (str,DataType) pairs, or a {str:DataType,} dict
The DataFrame schema may be declared in several ways:

Expand Down
12 changes: 6 additions & 6 deletions py-polars/polars/io/parquet/functions.py
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Expand Up @@ -59,9 +59,9 @@ def read_parquet(
Parameters
----------
source
Path to a file, or a file-like object (by file-like object, we refer to objects
that have a `read()` method, such as a file handler (e.g. via builtin `open`
function) or `BytesIO`). If the path is a directory, files in that
Path to a file or a file-like object (by "file-like object" we refer to objects
that have a `read()` method, such as a file handler like the builtin `open`
function, or a `BytesIO` instance). If the path is a directory, files in that
directory will all be read.
columns
Columns to select. Accepts a list of column indices (starting at zero) or a list
Expand Down Expand Up @@ -269,9 +269,9 @@ def read_parquet_schema(source: str | Path | IO[bytes] | bytes) -> dict[str, Dat
Parameters
----------
source
Path to a file or a file-like object (by file-like object, we refer to objects
that have a `read()` method, such as a file handler (e.g. via builtin `open`
function) or `BytesIO`).
Path to a file or a file-like object (by "file-like object" we refer to objects
that have a `read()` method, such as a file handler like the builtin `open`
function, or a `BytesIO` instance).

Returns
-------
Expand Down
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