parquet-to-excel


Nameparquet-to-excel JSON
Version 0.5.0 PyPI version JSON
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Summarya crate to convert parquet file(s) to an/a excel/csv file with constant memory in rust
upload_time2025-07-21 06:40:36
maintainerNone
docs_urlNone
authorNone
requires_python>=3.8
licenseMIT
keywords csv xlsx excel parquet convert
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            # 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\RustTool\data\.duck\yo_dxzh\source=zzz.xlsx\data.parquet", 
    r"D:\Felix\Desktop\out1.csv", 
    header_labels={"ddbm": "地点编码"},
    select_columns=set(["sheet", "yjkm", "yjkmsm"]))

parquet_files_to_csv(
    r"D:\Projects\RustTool\data\.duck\yo_dxzh", 
    r"D:\Felix\Desktop\out2.csv", 
    header_labels={"ddbm": "地点编码"},
    select_columns=set(["sheet", "yjkm", "yjkmsm"]))
```

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\RustTool\data\.duck\yo_dxzh\source=合并报表公司主体及内部客商编码（管理责任人：刘露）.xlsx\data.parquet", 
    r"D:\Felix\Desktop\out1.xlsx", 
    sheet_name="data", 
    header_labels={"ddbm": "地点编码"},
    select_columns=set(["sheet", "yjkm", "yjkmsm"]))

# write all data into different sheets by the value of column "sheet"
parquet_files_to_xlsx(
    r"D:\Projects\RustTool\data\.duck\yo_dxzh", 
    r"D:\Felix\Desktop\out2.xlsx", 
    sheet_column = "sheet", 
    header_labels={"ddbm": "地点编码"},
    select_columns=set(["sheet", "yjkm", "yjkmsm"]))
```

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    "description": "# parquet_to_excel\r\nA 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.\r\nYou 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.\r\n\r\n# Functions\r\n1. parquet_file_to_csv: convert a single parquet file to a csv file\r\n2. parquet_files_to_csv: convert a folder of parquet files to a csv file\r\n1. parquet_file_to_xlsx: convert a single parquet file to an excel file\r\n2. parquet_files_to_xlsx: convert a folder of parquet files to an excel file\r\n\r\n# Python Examples\r\n1. parquet to csv\r\n```python\r\nfrom parquet_to_excel import parquet_file_to_csv, parquet_files_to_csv\r\n\r\nparquet_file_to_csv(\r\n    r\"D:\\Projects\\RustTool\\data\\.duck\\yo_dxzh\\source=zzz.xlsx\\data.parquet\", \r\n    r\"D:\\Felix\\Desktop\\out1.csv\", \r\n    header_labels={\"ddbm\": \"\u5730\u70b9\u7f16\u7801\"},\r\n    select_columns=set([\"sheet\", \"yjkm\", \"yjkmsm\"]))\r\n\r\nparquet_files_to_csv(\r\n    r\"D:\\Projects\\RustTool\\data\\.duck\\yo_dxzh\", \r\n    r\"D:\\Felix\\Desktop\\out2.csv\", \r\n    header_labels={\"ddbm\": \"\u5730\u70b9\u7f16\u7801\"},\r\n    select_columns=set([\"sheet\", \"yjkm\", \"yjkmsm\"]))\r\n```\r\n\r\n2. parquet to xlsx\r\n```python\r\nfrom parquet_to_excel import parquet_file_to_xlsx, parquet_files_to_xlsx\r\n\r\n# write all data into one sheet\r\nparquet_file_to_xlsx(\r\n    r\"D:\\Projects\\RustTool\\data\\.duck\\yo_dxzh\\source=\u5408\u5e76\u62a5\u8868\u516c\u53f8\u4e3b\u4f53\u53ca\u5185\u90e8\u5ba2\u5546\u7f16\u7801\uff08\u7ba1\u7406\u8d23\u4efb\u4eba\uff1a\u5218\u9732\uff09.xlsx\\data.parquet\", \r\n    r\"D:\\Felix\\Desktop\\out1.xlsx\", \r\n    sheet_name=\"data\", \r\n    header_labels={\"ddbm\": \"\u5730\u70b9\u7f16\u7801\"},\r\n    select_columns=set([\"sheet\", \"yjkm\", \"yjkmsm\"]))\r\n\r\n# write all data into different sheets by the value of column \"sheet\"\r\nparquet_files_to_xlsx(\r\n    r\"D:\\Projects\\RustTool\\data\\.duck\\yo_dxzh\", \r\n    r\"D:\\Felix\\Desktop\\out2.xlsx\", \r\n    sheet_column = \"sheet\", \r\n    header_labels={\"ddbm\": \"\u5730\u70b9\u7f16\u7801\"},\r\n    select_columns=set([\"sheet\", \"yjkm\", \"yjkmsm\"]))\r\n```\r\n\n",
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