change cmd add.py to programs.py and add dump, update and delete cmds
This commit is contained in:
bkfox
@ -1,143 +0,0 @@
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from django.core.management.base import BaseCommand, CommandError
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from django.utils import timezone
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import programs.models as models
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class Model:
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# dict: key is the argument name, value is the constructor
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required = {}
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optional = {}
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model = None
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def __init__ (self, model, required = {}, optional = {}, post = None):
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self.model = model
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self.required = required
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self.optional = optional
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self.post = post
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def check_or_raise (self, options):
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for req in self.required:
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if req not in options:
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raise ValueError('required argument ' + req + ' is missing')
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def get_kargs (self, options):
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kargs = {}
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for i in self.required:
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if options.get(i):
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fn = self.required[i]
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kargs[i] = fn(options[i])
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for i in self.optional:
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if options.get(i):
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print(i, options)
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fn = self.optional[i]
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kargs[i] = fn(options[i])
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return kargs
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def make (self, options):
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self.check_or_raise(options)
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kargs = self.get_kargs(options)
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instance = self.model(**kargs)
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instance.save()
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if self.post:
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self.post(instance, options)
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print(instance.__dict__)
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def DateTime (string):
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dt = timezone.datetime.strptime(string, '%Y-%m-%d %H:%M:%S')
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return timezone.make_aware(dt, timezone.get_current_timezone())
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def Time (string):
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dt = timezone.datetime.strptime(string, '%H:%M')
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return timezone.datetime.time(dt)
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def AddTags (instance, options):
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if options.get('tags'):
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instance.tags.add(*options['tags'])
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models = {
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'program': Model( models.Program
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, { 'title': str }
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, { 'subtitle': str, 'can_comment': bool, 'date': DateTime
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, 'parent_id': int, 'public': bool
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, 'url': str, 'email': str, 'non_stop': bool
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}
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, AddTags
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)
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, 'article': Model( models.Article
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, { 'title': str }
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, { 'subtitle': str, 'can_comment': bool, 'date': DateTime
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, 'parent_id': int, 'public': bool
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, 'static_page': bool, 'focus': bool
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}
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, AddTags
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)
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, 'schedule': Model( models.Schedule
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, { 'parent_id': int, 'date': DateTime, 'duration': Time
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, 'frequency': int }
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, { 'rerun': bool }
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)
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}
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class Command (BaseCommand):
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help="Add an element of the given model"
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def add_arguments (self, parser):
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parser.add_argument( 'model', type=str
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, metavar="MODEL"
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, help="model to add. It must be in [schedule,program,article]")
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# publication/generic
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parser.add_argument('--parent_id', type=str)
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parser.add_argument('--title', type=str)
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parser.add_argument('--subtitle', type=str)
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parser.add_argument('--can_comment',action='store_true')
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parser.add_argument('--public', action='store_true')
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parser.add_argument( '--date', type=str
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, help='a valid date time (Y/m/d H:m:s')
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parser.add_argument('--tags', type=str, nargs='+')
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# program
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parser.add_argument('--url', type=str)
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parser.add_argument('--email', type=str)
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parser.add_argument('--non_stop', type=int)
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# article
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parser.add_argument('--static_page',action='store_true')
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parser.add_argument('--focus', action='store_true')
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# schedule
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parser.add_argument('--duration', type=str)
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parser.add_argument('--frequency', type=int)
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parser.add_argument('--rerun', action='store_true')
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def handle (self, *args, **options):
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model = options.get('model')
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if not model:
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return
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model = model.lower()
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if model not in models:
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raise ValueError("model {} is not supported".format(str(model)))
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models[model].make(options)
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233
programs/management/commands/programs.py
Normal file
233
programs/management/commands/programs.py
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@ -0,0 +1,233 @@
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from django.core.management.base import BaseCommand, CommandError
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from django.utils import timezone
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import programs.models as models
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class Model:
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# dict: key is the argument name, value is the constructor
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required = {}
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optional = {}
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model = None
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def __init__ (self, model, required = {}, optional = {}, post = None):
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self.model = model
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self.required = required
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self.optional = optional
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self.post = post
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def check_or_raise (self, options):
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for req in self.required:
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if req not in options:
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raise CommandError('required argument ' + req + ' is missing')
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def get_kargs (self, options):
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kargs = {}
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for i in self.required:
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if options.get(i):
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fn = self.required[i]
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kargs[i] = fn(options[i])
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for i in self.optional:
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if options.get(i):
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fn = self.optional[i]
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kargs[i] = fn(options[i])
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return kargs
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def get_by_id (self, options):
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id_list = options.get('id')
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items = self.model.objects.filter( id__in = id_list )
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if len(items) is not len(id_list):
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for key, id in enumerate(id_list):
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if id in items:
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del id_list[key]
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raise CommandError(
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'the following ids has not been found: {} (no change done)'
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, ', '.join(id_list)
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)
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return items
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def make (self, options):
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self.check_or_raise(options)
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kargs = self.get_kargs(options)
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item = self.model(**kargs)
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item.save()
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if self.post:
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self.post(item, options)
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print('{} #{} created'.format(self.model.name()
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, item.id))
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def update (self, options):
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items = self.get_by_id(options)
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for key, item in enumerate(items):
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kargs = self.get_kargs(options)
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item.__dict__.update(options)
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item.save()
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print('{} #{} updated'.format(self.model.name()
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, item.id))
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del items[key]
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def delete (self, options):
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items = self.get_by_id(options)
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items.delete()
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print('{} #{} deleted'.format(self.model.name()
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, ', '.join(options.get('id'))
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))
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def dump (self, options):
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qs = self.model.objects.all()
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fields = ['id'] + [ f.name for f in self.model._meta.fields
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if f.name is not 'id']
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items = []
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for item in qs:
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r = []
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for f in fields:
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v = getattr(item, f)
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if hasattr(v, 'id'):
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v = v.id
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r.append(str(v).ljust(len(f)))
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items.append(r)
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if options.get('head'):
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items = items[0:options.get('head')]
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elif options.get('tail'):
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items = items[-options.get('tail'):]
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print(' || '.join(fields))
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for item in items:
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print(' || '.join(item))
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def DateTime (string):
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dt = timezone.datetime.strptime(string, '%Y-%m-%d %H:%M:%S')
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return timezone.make_aware(dt, timezone.get_current_timezone())
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def Time (string):
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dt = timezone.datetime.strptime(string, '%H:%M')
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return timezone.datetime.time(dt)
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def AddTags (instance, options):
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if options.get('tags'):
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instance.tags.add(*options['tags'])
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models = {
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'program': Model( models.Program
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, { 'title': str }
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, { 'subtitle': str, 'can_comment': bool, 'date': DateTime
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, 'parent_id': int, 'public': bool
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, 'url': str, 'email': str, 'non_stop': bool
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}
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, AddTags
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)
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, 'article': Model( models.Article
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, { 'title': str }
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, { 'subtitle': str, 'can_comment': bool, 'date': DateTime
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, 'parent_id': int, 'public': bool
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, 'static_page': bool, 'focus': bool
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}
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, AddTags
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)
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, 'schedule': Model( models.Schedule
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, { 'parent_id': int, 'date': DateTime, 'duration': Time
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, 'frequency': int }
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, { 'rerun': bool }
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)
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}
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class Command (BaseCommand):
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help='Create, update, delete or dump an element of the given model.' \
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' If no action is given, dump it'
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def add_arguments (self, parser):
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parser.add_argument( 'model', type=str
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, metavar="MODEL"
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, help='model to add. It must be in {}'\
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.format(', '.join(models.keys()))
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)
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group = parser.add_argument_group('actions')
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group.add_argument('--dump', action='store_true')
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group.add_argument('--add', action='store_true'
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, help='create or update (if id is given) object')
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group.add_argument('--delete', action='store_true')
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group = parser.add_argument_group('selector')
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group.add_argument('--id', type=str, nargs='+'
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, metavar="ID"
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, help='select existing object by id'
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)
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group.add_argument('--head', type=int
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, help='dump the HEAD first objects only'
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)
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group.add_argument('--tail', type=int
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, help='dump the TAIL last objects only'
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)
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# publication/generic
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group = parser.add_argument_group('fields'
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, 'depends on the given model')
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group.add_argument('--parent_id', type=str)
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group.add_argument('--title', type=str)
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group.add_argument('--subtitle', type=str)
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group.add_argument('--can_comment',action='store_true')
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group.add_argument('--public', action='store_true')
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group.add_argument( '--date', type=str
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, help='a valid date time (Y/m/d H:m:s')
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group.add_argument('--tags', type=str, nargs='+')
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# program
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group.add_argument('--url', type=str)
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group.add_argument('--email', type=str)
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group.add_argument('--non_stop', type=int)
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# article
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group.add_argument('--static_page',action='store_true')
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group.add_argument('--focus', action='store_true')
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# schedule
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group.add_argument('--duration', type=str)
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group.add_argument('--frequency', type=int)
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group.add_argument('--rerun', action='store_true')
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def handle (self, *args, **options):
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model = options.get('model')
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if not model:
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raise CommandError('no model has been given')
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model = model.lower()
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if model not in models:
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raise CommandError('model {} is not supported'.format(str(model)))
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if options.get('add'):
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if options.get('id'):
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models[model].update(options)
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else:
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models[model].make(options)
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elif options.get('delete'):
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models[model].delete(options)
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else:
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models[model].dump(options)
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