Пакунок: python3-rdata (0.5-3)

[ Source: python-rdata  ]

parses R dataset (.rda) files

The common way of reading an R dataset consists on two steps:

 * First, the file is parsed using the function parse_file. This provides
   a literal description of the file contents as a hierarchy of Python
   objects representing the basic R objects. This step is unambiguous
   and always the same.
 * Then, each object must be converted to an appropriate Python
   object. In this step there are several choices on which Python type
   is the most appropriate as the conversion for a given R object. Thus,
   we provide a default convert routine, which tries to select Python
   objects that preserve most information of the original R object. For
   custom R classes, it is also possible to specify conversion routines
   to Python objects.

The basic convert routine only constructs a SimpleConverter objects and calls its convert method. All arguments of convert are directly passed to the SimpleConverter initialization method.

It is possible, although not trivial, to make a custom Converter object to change the way in which the basic R objects are transformed to Python objects. However, a more common situation is that one does not want to change how basic R objects are converted, but instead wants to provide conversions for specific R classes. This can be done by passing a dictionary to the SimpleConverter initialization method, containing as keys the names of R classes and as values, callables that convert a R object of that class to a Python object. By default, the dictionary used is DEFAULT_CLASS_MAP, which can convert commonly used R classes such as data.frame and factor.

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