Python create_callback_post_save示例

示例#1

文件： models.py 项目： asorici/JaCaMo-R-Landri

        artifacts = os.path.basename(self.artifacts.name)
        organizations = os.path.basename(self.organizations.name)
        uniArgs = (self.name, agents, artifacts, organizations)
        return '%s (%s, %s, %s)' % uniArgs

    def get_config_filepath(self):
        from django.core.files.storage import default_storage
        filename = get_config_filename(self)
        return default_storage.path(filename)


file_post_saves = []
file_post_deletes = []

for field in ['agents', 'artifacts', 'organizations']:
    file_post_saves.append(create_callback_post_save(field))
    file_post_deletes.append(create_callback_post_delete(field))


# TODO implement me
def config_post_save(sender, instance, created, **kwargs):
    pass


def config_post_delete(sender, instance, **kwargs):
    try:
        os.remove(instance.get_config_filepath())
    except OSError, e:
        # TODO log me
        print e

示例#2

文件： models.py 项目： asorici/JaCaMo-R-Landri

        agents = os.path.basename(self.agents.name)
        artifacts = os.path.basename(self.artifacts.name)
        organizations = os.path.basename(self.organizations.name)
        uniArgs = (self.name, agents, artifacts, organizations)
        return '%s (%s, %s, %s)' % uniArgs

    def get_config_filepath(self):
        from django.core.files.storage import default_storage
        filename = get_config_filename(self)
        return default_storage.path(filename)

file_post_saves = [ ]
file_post_deletes = [ ]

for field in [ 'agents', 'artifacts', 'organizations' ]:
    file_post_saves.append(create_callback_post_save(field))
    file_post_deletes.append(create_callback_post_delete(field))

# TODO implement me
def config_post_save(sender, instance, created, **kwargs):
    pass

def config_post_delete(sender, instance, **kwargs):
    try:
        os.remove(instance.get_config_filepath())
    except OSError, e:
        # TODO log me
        print e

for file_post_save in file_post_saves:
    models.signals.post_save.connect(file_post_save, sender=Solution)

示例#3

文件： models.py 项目： asorici/JaCaMo-R-Landri

    file = models.FileField(
        upload_to=functools.partial(dir_upload_to, 'agents'))
    cardinality = models.IntegerField()


class Artifact(BaseFileComponent):
    file = models.FileField(
        upload_to=functools.partial(dir_upload_to, 'artifacts'))


class Organization(BaseFileComponent):
    file = models.FileField(
        upload_to=functools.partial(dir_upload_to, 'organizations'))


file_post_save = create_callback_post_save('file')
file_post_delete = create_callback_post_delete('file')


def for_each_subclass(base, callback):
    if base._meta.abstract:
        children = base.__subclasses__()
        for child in children:
            for_each_subclass(child, callback)
    else:
        callback(base)


def set_file_signals(sender):
    models.signals.post_save.connect(file_post_save, sender=sender)
    models.signals.post_delete.connect(file_post_delete, sender=sender)

示例#4

文件： models.py 项目： tibi-p/JaCaMo-R-Landri

class BaseFileComponent(BaseDefaultFileComponent):
    subenvironment = models.ForeignKey(SubEnvironment)

    class Meta:
        abstract = True

class Agent(BaseFileComponent):
    file = models.FileField(upload_to=functools.partial(dir_upload_to, 'agents'))

class Artifact(BaseFileComponent):
    file = models.FileField(upload_to=functools.partial(dir_upload_to, 'artifacts'))

class Organization(BaseFileComponent):
    file = models.FileField(upload_to=functools.partial(dir_upload_to, 'organizations'))

file_post_save = create_callback_post_save('file')
file_post_delete = create_callback_post_delete('file')

def for_each_subclass(base, callback):
    if base._meta.abstract:
        children = base.__subclasses__()
        for child in children:
            for_each_subclass(child, callback)
    else:
        callback(base)

def set_file_signals(sender):
    models.signals.post_save.connect(file_post_save, sender=sender)
    models.signals.post_delete.connect(file_post_delete, sender=sender)

for_each_subclass(BaseDefaultFileComponent, set_file_signals)