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Zero: Last minute unimportant fixes:

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*Remove the artifact of a debug log.
*Remove meaningless version number.
*Rephrase some docstrings.
*Remove tautological comments.
This commit is contained in:
nath@home 2016-12-27 18:46:46 +01:00
parent a4e2538324
commit 8e29a3ffcb
1 changed files with 19 additions and 13 deletions
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32
beetsplug/zero.py
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@ -27,14 +27,12 @@ from beets.ui import Subcommand, decargs, input_yn
from beets.util import confit
__author__ = 'baobab@heresiarch.info'
__version__ = '0.10'
class ZeroPlugin(BeetsPlugin):
def __init__(self):
super(ZeroPlugin, self).__init__()
# Listeners.
self.register_listener('write', self.write_event)
self.register_listener('import_task_choice',
self.import_task_choice_event)
@ -49,6 +47,13 @@ class ZeroPlugin(BeetsPlugin):
self.fields_to_progs = {}
self.warned = False
"""Read the bulk of the config into `self.fields_to_progs`.
After construction, `fields_to_progs` contains all the fields that
should be zeroed as keys and maps each of those to a list of compiled
regexes (progs) as values.
A field is zeroed if its value matches one of the associated progs. If
progs is empty, then the associated field is always zeroed.
"""
if self.config['fields'] and self.config['keep_fields']:
self._log.warning(
u'cannot blacklist and whitelist at the same time'
@ -80,9 +85,8 @@ class ZeroPlugin(BeetsPlugin):
return [zero_command]
def _set_pattern(self, field):
"""Set a field in `self.patterns` to a string list corresponding to
the configuration, or `True` if the field has no specific
configuration.
"""Populate `self.fields_to_progs` for a given field.
Do some sanity checks then compile the regexes.
"""
if field not in MediaFile.fields():
self._log.error(u'invalid field: {0}', field)
@ -99,20 +103,22 @@ class ZeroPlugin(BeetsPlugin):
self.fields_to_progs[field] = []
def import_task_choice_event(self, session, task):
"""Listen for import_task_choice event."""
if task.choice_flag == action.ASIS and not self.warned:
self._log.warning(u'cannot zero in \"as-is\" mode')
self.warned = True
# TODO request write in as-is mode
def write_event(self, item, path, tags):
"""Set values in tags to `None` if the key and value are matched
by `self.patterns`.
"""
if self.config['auto']:
self.set_fields(item, tags)
def set_fields(self, item, tags):
"""Set values in `tags` to `None` if the field is in
`self.fields_to_progs` and any of the corresponding `progs` matches the
field value.
Also update the `item` itself if `update_database` is set in the
config.
"""
fields_set = False
if not self.fields_to_progs:
@ -122,7 +128,7 @@ class ZeroPlugin(BeetsPlugin):
for field, progs in self.fields_to_progs.items():
if field in tags:
value = tags[field]
match = _match_progs(tags[field], progs, self._log)
match = _match_progs(tags[field], progs)
else:
value = ''
match = not progs
@ -145,9 +151,9 @@ class ZeroPlugin(BeetsPlugin):
item.store(fields=tags)
def _match_progs(value, progs, log):
"""Check if field (as string) is matching any of the patterns in
the list.
def _match_progs(value, progs):
"""Check if `value` (as string) is matching any of the compiled regexes in
the `progs` list.
"""
if not progs:
return True