Class DescriptorDatabase

x.__init__(...) initializes x; see help(type(x)) for signature

Overrides: object.__init__

(inherited documentation)

Adds the FileDescriptorProto and its types to this database.

Args:
  file_desc_proto: The FileDescriptorProto to add.
Raises:
  DescriptorDatabaseConflictingDefinitionError: if an attempt is made to
    add a proto with the same name but different definition than an
    exisiting proto in the database.

Finds the file descriptor proto by file name.

Typically the file name is a relative path ending to a .proto file. The
proto with the given name will have to have been added to this database
using the Add method or else an error will be raised.

Args:
  name: The file name to find.

Returns:
  The file descriptor proto matching the name.

Raises:
  KeyError if no file by the given name was added.

Finds the file descriptor proto containing the specified symbol.

The symbol should be a fully qualified name including the file descriptor's
package and any containing messages. Some examples:

'some.package.name.Message'
'some.package.name.Message.NestedEnum'
'some.package.name.Message.some_field'

The file descriptor proto containing the specified symbol must be added to
this database using the Add method or else an error will be raised.

Args:
  symbol: The fully qualified symbol name.

Returns:
  The file descriptor proto containing the symbol.

Raises:
  KeyError if no file contains the specified symbol.