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Edit File: pip.rst

pip --- .. contents:: Usage ***** :: pip <command> [options] Description *********** .. _`Logging`: Logging ======= Console logging ~~~~~~~~~~~~~~~ pip offers :ref:`-v, --verbose <--verbose>` and :ref:`-q, --quiet <--quiet>` to control the console log level. Each option can be used multiple times and used together. One ``-v`` increases the verbosity by one, whereas one ``-q`` decreases it by one. The series of log levels, in order, are as follows:: VERBOSE_DEBUG, DEBUG, INFO, NOTIFY, WARN, ERROR, FATAL ``NOTIFY`` is the default level. A few examples on how the parameters work to affect the level: * specifying nothing results in ``NOTIFY`` * ``-v`` results in ``INFO`` * ``-vv`` results in ``DEBUG`` * ``-q`` results in ``WARN`` * ``-vq`` results in ``NOTIFY`` The most practical use case for users is either ``-v`` or ``-vv`` to see additional logging to help troubleshoot an issue. .. _`FileLogging`: File logging ~~~~~~~~~~~~ pip offers the :ref:`--log <--log>` option for specifying a file where a maximum verbosity log will be kept. This option is empty by default. This log appends to previous logging. Additionally, when commands fail (i.e. return a non-zero exit code), pip writes a "failure log" for the failed command. This log overwrites previous logging. The default location is as follows: * On Unix and Mac OS X: :file:`$HOME/.pip/pip.log` * On Windows, the configuration file is: :file:`%HOME%\\pip\\pip.log` The option for the failure log, is :ref:`--log-file <--log-file>`. Both logs add a line per execution to specify the date and what pip executable wrote the log. Like all pip options, ``--log`` and ``log-file``, can also be set as an environment variable, or placed into the pip config file. See the :ref:`Configuration` section. .. _`General Options`: General Options *************** .. pip-general-options::