class_docstr: A container which simply calls the appropriate methods on the
  contained :class:`RasterSource`.
docstr: Parameters
  ----------
  contained_source: :class:`RasterSource` instance.
      The source of the raster that this container is wrapping.
docstr_tok: ["Parameters","--","--","--","--","--","contained_source",":",":","class",":","`","RasterSource","`","instance",".","The","source","of","the","raster","that","this","container","is","wrapping","."]
code: def __init__(self, contained_source):
      """
      Parameters
      ----------
      contained_source: :class:`RasterSource` instance.
          The source of the raster that this container is wrapping.
  
      """
      self._source = contained_source
  
imports: import collections
  from pathlib import Path
  import string
  from urllib.request import urlopen
  import warnings
  from cartopy import config
label_desc: Use image node_id 1 to create a new RasterSourceContainer object from inherited base classes: RasterSource with example: obj = RasterSourceContainer(contained_source)