old_contents: #
  # Copyright (c) 2015 Cossack Labs Limited
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  # http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  #
  
  #key generation example
  import sys
  from pythemis import skeygen
  
  alg="EC";
  
  obj = skeygen.themis_gen_key_pair(alg);
  private_key = obj.export_private_key();
  public_key = obj.export_public_key();
  
  private_key_file = open(sys.argv[1],"wb");
  private_key_file.write(private_key);
  private_key_file.close();
  public_key_file = open(sys.argv[2],"wb");
  public_key_file.write(public_key);
  public_key_file.close();
  
new_contents: #
  # Copyright (c) 2015 Cossack Labs Limited
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  # http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  #
  
  import sys
  import os
  from pythemis.skeygen import KEY_PAIR_TYPE, GenerateKeyPair
  
  if len(sys.argv) != 3:
      print("Usage: python {} <private_key_path> <public_key_path>".format(
          os.path.basename(__file__)))
      exit(1)
  
  keypair = GenerateKeyPair(KEY_PAIR_TYPE.EC)
  private_key = keypair.export_private_key()
  public_key = keypair.export_public_key()
  
  with open(sys.argv[1], "wb") as private_key_file:
      print("Save private key to {}".format(sys.argv[1]))
      private_key_file.write(private_key)
  
  with open(sys.argv[2], "wb") as public_key_file:
      print("Save public key to {}".format(sys.argv[2]))
      public_key_file.write(public_key)
  
  
subject: update skeygen example with new class names