Python中的 Pandas.get_option()函数

Pandas 有一个选项系统，可让您自定义其行为的某些方面，与显示相关的选项是用户最有可能调整的选项。让我们看看如何查看指定选项的值。

获取选项（）

Syntax : pandas.get_option(pat)
Parameters : 

• pat : Regexp which should match a single option.

Returns : Value of the option 
Raises : OptionError if no such option exists 
 

示例 1：获取可以显示的最大和最小列数和行数的值。

Python3

# importing the module
import pandas as pd
 
# fetching maximum number of
# columns that can be displayed
print("The value of max_columns : " +
      str(pd.get_option("display.max_columns")))
 
# fetching maximum number of
# rows that can be displayed
print("The value of max_rows : " +
      str(pd.get_option("display.max_rows")))
 
# fetching minimum number of
# rows that can be displayed
print("The value of min_rows : " +
      str(pd.get_option("display.min_rows")))

输出 ：

输出可能会有所不同。

示例 2：获取与 Excel 文件相关的属性。

Python3

# importing the module
import pandas as pd
 
# default Excel reader engine for ‘ods’ files
print("The default Excel reader engine for ‘ods’ files : " +
      str(pd.get_option("io.excel.ods.reader")))
 
# default Excel reader engine for ‘xls’ files
print("The default Excel reader engine for ‘xls’ files : " +
      str(pd.get_option("io.excel.xls.reader")))
 
# default Excel writer engine for ‘xls’ files
print("The default Excel writer engine for ‘xls’ files : " +
      str(pd.get_option("io.excel.xls.writer")))
 
# default Excel reader engine for ‘xlsb’ files
print("The default Excel reader engine for ‘xlsb’ files : " +
      str(pd.get_option("io.excel.xlsb.reader")))
 
# default Excel reader engine for ‘xlsm’ files
print("The default Excel reader engine for ‘xlsm’ files : " +
      str(pd.get_option("io.excel.xlsm.reader")))
 
# default Excel writer engine for ‘xlsm’ files
print("The default Excel writer engine for ‘xlsm’ files : " +
      str(pd.get_option("io.excel.xlsm.writer")))
 
# default Excel reader engine for ‘xlsm’ files
print("The default Excel reader engine for ‘xlsx’ files : " +
      str(pd.get_option("io.excel.xlsx.reader")))
 
# default Excel writer engine for ‘xlsx’ files
print("The default Excel writer engine for ‘xlsx’ files : " +
      str(pd.get_option("io.excel.xlsx.writer")))

输出 ：