parquet-to-excel

Name	parquet-to-excel JSON
Version	0.3.0 JSON
	download
home_page	None
Summary	a crate to convert parquet file(s) to an/a excel/csv file with constant memory in rust
upload_time	2025-02-16 12:54:26
maintainer	None
docs_url	None
author	None
requires_python	>=3.8
license	MIT
keywords	csv xlsx excel parquet convert
VCS
bugtrack_url
requirements	No requirements were recorded.
Travis-CI	No Travis.
coveralls test coverage	No coveralls.

            # parquet_to_excel
A tool to convert parquet file to an/a excel/csv file in rust with constant memory, both a single parquet file and a folder of parquet files are supported.
You can also use python or rust to call it. The python package name is parquet_to_excel too. you can install it by `pip install parquet_to_excel`. If you could not install this package correctly, you can try to install rust and maturin (`pip install maturin`) first. Then you can try again.

# Functions
1. parquet_file_to_csv: convert a single parquet file to a csv file
2. parquet_files_to_csv: convert a folder of parquet files to a csv file
1. parquet_file_to_xlsx: convert a single parquet file to an excel file
2. parquet_files_to_xlsx: convert a folder of parquet files to an excel file

# Python Examples
1. parquet to csv
```python
from parquet_to_excel import parquet_file_to_csv, parquet_files_to_csv

parquet_file_to_csv(r"D:\Projects\TornadoSrv\data\result\qid=160\part0.parquet", r"D:\Felix\Desktop\out1.csv", header_labels={"ddbm": "地点编码"})

parquet_files_to_csv(r"D:\Projects\TornadoSrv\data\result\qid=160", r"D:\Felix\Desktop\out2.csv", header_labels={"ddbm": "地点编码"})
```

2. parquet to xlsx
```python
from parquet_to_excel import parquet_file_to_xlsx, parquet_files_to_xlsx

# write all data into one sheet
parquet_file_to_xlsx(r"D:\Projects\TornadoSrv\data\result\qid=160\part0.parquet", r"D:\Felix\Desktop\out1.xlsx", sheet_name="data", header_labels={"ddbm": "地点编码"})

# write all data into different sheets by the value of column "qyztmc"
parquet_files_to_xlsx(r"D:\Projects\TornadoSrv\data\result\qid=160", r"D:\Felix\Desktop\out2.xlsx", sheet_column = "qyztmc", header_labels={"ddbm": "地点编码"})
```

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