Update videoretalking/third_part/face3d/models/__init__.py
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videoretalking/third_part/face3d/models/__init__.py
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"""This package contains modules related to objective functions, optimizations, and network architectures.
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To add a custom model class called 'dummy', you need to add a file called 'dummy_model.py' and define a subclass DummyModel inherited from BaseModel.
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You need to implement the following five functions:
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-- <__init__>: initialize the class; first call BaseModel.__init__(self, opt).
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-- <set_input>: unpack data from dataset and apply preprocessing.
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-- <forward>: produce intermediate results.
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-- <optimize_parameters>: calculate loss, gradients, and update network weights.
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-- <modify_commandline_options>: (optionally) add model-specific options and set default options.
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In the function <__init__>, you need to define four lists:
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-- self.loss_names (str list): specify the training losses that you want to plot and save.
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-- self.model_names (str list): define networks used in our training.
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-- self.visual_names (str list): specify the images that you want to display and save.
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-- self.optimizers (optimizer list): define and initialize optimizers. You can define one optimizer for each network. If two networks are updated at the same time, you can use itertools.chain to group them. See cycle_gan_model.py for an usage.
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Now you can use the model class by specifying flag '--model dummy'.
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See our template model class 'template_model.py' for more details.
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"""
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import importlib
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from face3d.models.base_model import BaseModel
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def find_model_using_name(model_name):
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"""Import the module "models/[model_name]_model.py".
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In the file, the class called DatasetNameModel() will
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be instantiated. It has to be a subclass of BaseModel,
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and it is case-insensitive.
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"""
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model_filename = "face3d.models." + model_name + "_model"
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modellib = importlib.import_module(model_filename)
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model = None
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target_model_name = model_name.replace('_', '') + 'model'
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for name, cls in modellib.__dict__.items():
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if name.lower() == target_model_name.lower() \
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and issubclass(cls, BaseModel):
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model = cls
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if model is None:
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print("In %s.py, there should be a subclass of BaseModel with class name that matches %s in lowercase." % (model_filename, target_model_name))
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exit(0)
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return model
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def get_option_setter(model_name):
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"""Return the static method <modify_commandline_options> of the model class."""
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model_class = find_model_using_name(model_name)
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return model_class.modify_commandline_options
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def create_model(opt):
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"""Create a model given the option.
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This function warps the class CustomDatasetDataLoader.
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This is the main interface between this package and 'train.py'/'test.py'
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Example:
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>>> from models import create_model
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>>> model = create_model(opt)
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"""
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model = find_model_using_name(opt.model)
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instance = model(opt)
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print("model [%s] was created" % type(instance).__name__)
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return instance
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"""This package contains modules related to objective functions, optimizations, and network architectures.
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+
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| 3 |
+
To add a custom model class called 'dummy', you need to add a file called 'dummy_model.py' and define a subclass DummyModel inherited from BaseModel.
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+
You need to implement the following five functions:
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-- <__init__>: initialize the class; first call BaseModel.__init__(self, opt).
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+
-- <set_input>: unpack data from dataset and apply preprocessing.
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+
-- <forward>: produce intermediate results.
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-- <optimize_parameters>: calculate loss, gradients, and update network weights.
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+
-- <modify_commandline_options>: (optionally) add model-specific options and set default options.
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+
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+
In the function <__init__>, you need to define four lists:
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-- self.loss_names (str list): specify the training losses that you want to plot and save.
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+
-- self.model_names (str list): define networks used in our training.
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+
-- self.visual_names (str list): specify the images that you want to display and save.
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+
-- self.optimizers (optimizer list): define and initialize optimizers. You can define one optimizer for each network. If two networks are updated at the same time, you can use itertools.chain to group them. See cycle_gan_model.py for an usage.
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+
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Now you can use the model class by specifying flag '--model dummy'.
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See our template model class 'template_model.py' for more details.
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"""
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import importlib
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from videoretalking.third_part.face3d.models.base_model import BaseModel
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def find_model_using_name(model_name):
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"""Import the module "models/[model_name]_model.py".
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+
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+
In the file, the class called DatasetNameModel() will
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be instantiated. It has to be a subclass of BaseModel,
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and it is case-insensitive.
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"""
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model_filename = "face3d.models." + model_name + "_model"
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modellib = importlib.import_module(model_filename)
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model = None
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target_model_name = model_name.replace('_', '') + 'model'
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for name, cls in modellib.__dict__.items():
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if name.lower() == target_model_name.lower() \
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and issubclass(cls, BaseModel):
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model = cls
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if model is None:
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print("In %s.py, there should be a subclass of BaseModel with class name that matches %s in lowercase." % (model_filename, target_model_name))
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exit(0)
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return model
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def get_option_setter(model_name):
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"""Return the static method <modify_commandline_options> of the model class."""
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model_class = find_model_using_name(model_name)
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return model_class.modify_commandline_options
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def create_model(opt):
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"""Create a model given the option.
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+
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This function warps the class CustomDatasetDataLoader.
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+
This is the main interface between this package and 'train.py'/'test.py'
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+
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Example:
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>>> from models import create_model
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>>> model = create_model(opt)
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"""
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model = find_model_using_name(opt.model)
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instance = model(opt)
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print("model [%s] was created" % type(instance).__name__)
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return instance
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