Python:csv模块方言类的误导性文档

import csv

csv.register_dialect('my_dialect')
dialect = csv.get_dialect('my_dialect')
print(dialect.delimiter)

这是创建新的 Dialect csv.get_dialect() 并注册您自己使用 csv.register_dialect . 你也可以只是子类 继续干下去。

为了更容易指定输入和输出记录的格式,将特定的格式参数分组到方言中。方言是 子类

做一个简单的 help(csv.Dialect)

class Dialect(builtins.object)
 |  Describe a CSV dialect.
 |
 |  This must be subclassed (see csv.excel).  Valid attributes are:
 |  delimiter, quotechar, escapechar, doublequote, skipinitialspace,
 |  lineterminator, quoting.
 |
 |  Methods defined here:
 |
 |  __init__(self)
 |      Initialize self.  See help(type(self)) for accurate signature.
 |
 |  ----------------------------------------------------------------------
 |  Data descriptors defined here:
 |
 |  __dict__
 |      dictionary for instance variables (if defined)
 |
 |  __weakref__
 |      list of weak references to the object (if defined)
 |
 |  ----------------------------------------------------------------------
 |  Data and other attributes defined here:
 |
 |  delimiter = None
 |
 |  doublequote = None
 |
 |  escapechar = None
 |
 |  lineterminator = None
 |
 |  quotechar = None
 |
 |  quoting = None
 |
 |  skipinitialspace = None