If the drive offset or cache status are unknown, 'drive list' suggests
running 'rip offset find' or 'rip drive analyze'. Update these to
refer to whipper instead.
* introduce logcommand.Lager, Whipper(); use argparse for whipper image commands, stub logging
* update Lager docstring to mention config.Config()
* make incorrect subcommand and --version work on toplevel command
* migrate accurip show, expand Lager, do not attempt to return from Lager.__init__.
* migrate offset find, add Lager.error
* correct offset find drive symlink handling
* migrate drive
* change Lager.__init__(prog) to arg from kwarg
* but actually
* remove Whipper.usage
* add and use Lager.device_option() context manager
* help I married an axe murderer
* use unified options namespace for entire command tree
* migrate whipper cd without comprehensive config loading
* switch to logging module
- use logging instead of flog for non-extern modules
- use WHIPPER_DEBUG and WHIPPER_LOGFILE env variables
* convert self.log calls to logger.debug
* convert self.error calls to logger.error
* remove log.Loggable, use logger not logging
* Logging conversion continues
- Convert log.* calls to logger.*
- Remove morituri.common.log imports
* remove morituri.common.log from tests
* remove extern/flog, bare minimum Debug conversion
* update README for logging changes
* update soxi to use logging
* refactor Lager for more declarative subcommands
* Refactor Lager.device_option:
- inline into __init__
- throw IOError instead of Exception for missing drives
- remove CommandError checking in rip/main
* rename rip to whipper in rip.main
* convert rip.debug commands
* Rename logcommand.Lager to command.BaseCommand
- remove command.CommandError occurrences
- remove python-command external module
* remove submodules from README, update rclog formatter
* update minor ambiguity in readme for command invocation
* update version number to match setup.py
* remove gitmodules
* update version number in tests as well (boo)
* convert logger.error to logger.critical
* Change morituri.rip to morituri.command
- mv common.command to command.basecommand
- move TEMPLATES used only by rip.cd out of rip.common
- update entry point for command to command.main
* update basecommand documentation
* go pyflaking: import fixing
* replace self.stdout with sys.stdout
* remove BaseCommand.config, alphabetise imports
* convert self.stdXXX leftovers
* convert last getRootCommand to config.Config
* convert last getExceptionMessage's to str
* change musicbrainz useragent to whipper
