環境変数の取得
環境変数はos.environから参照できる
>>> import os >>> for env in os.environ: ... print env ... VERSIONER_PYTHON_PREFER_32_BIT TERM_PROGRAM_VERSION LOGNAME USER PATH HOME TERM_PROGRAM LANG TERM SHELL VERSIONER_PYTHON_VERSION SHLVL TMPDIR TERM_SESSION_ID SSH_AUTH_SOCK Apple_PubSub_Socket_Render _ OLDPWD __CF_USER_TEXT_ENCODING Apple_Ubiquity_Message PWD COMMAND_MODE >>> print os.environ.get("LANG") ja_JP.UTF-8