add det code

deploy/python/ppshitu_v2/configs/test_config.yml

+AlgoModule:
+  - preprocess:
+    - processor_type: data_processor
+      processor_name: image_processor
+      image_processors:
+        - ResizeImage:
+            size: [640, 640]
+            interpolation: 2
+        - NormalizeImage:
+            scale: 0.00392157
+            mean: [0.485, 0.456, 0.406]
+            std: [0.229, 0.224, 0.225]
+        - ToRGB

deploy/python/ppshitu_v2/processor/__init__.py

 from abc import ABC, abstractmethod
 
-from algo_mod import build_algo_mod
-from searcher import build_searcher
-from data_processor import build_data_processor
+from processor.algo_mod import predictors, searcher
 
 
 def build_processor(config):
     processor_type = config.get("processor_type")
-    if processor_type == "algo_mod":
-        return build_algo_mod(config)
-    elif processor_type == "searcher":
-        return build_searcher(config)
-    elif processor_type == "data_processor":
-        return build_data_processor(config)
-    else:
-        raise NotImplemented("processor_type {} not implemented.".format(processor_type))
+    processor_mod = locals()[processor_type]
+    processor_name = config.get("processor_name")
+    return getattr(processor_mod, processor_name)
 
 
 class BaseProcessor(ABC):

deploy/python/ppshitu_v2/processor/algo_mod/__init__.py

-from .fake_cls import FakeClassifier
+from .. import BaseProcessor, build_processor
 
 
-def build_algo_mod(config):
-    algo_name = config.get("algo_name")
-    if algo_name == "fake_clas":
-        return FakeClassifier(config)
+class AlgoMod(BaseProcessor):
+    def __init__(self, config):
+        self.pre_processor = build_processor(config["pre_processor"])
+        self.predictor = build_processor(config["predictor"])
+        self.post_processor = build_processor(config["post_processor"])
+
+    def process(self, input_data):
+        input_data = self.pre_processor(input_data)
+        input_data = self.predictor(input_data)
+        input_data = self.post_processor(input_data)
+        return input_data

deploy/python/ppshitu_v2/processor/algo_mod/data_processor/__init__.py

+from image_processor import ImageProcessor

deploy/python/ppshitu_v2/processor/data_processor/bbox_cropper.py → deploy/python/ppshitu_v2/processor/algo_mod/data_processor/bbox_cropper.py

-from .. import BaseProcessor
+from processor import BaseProcessor
 
 
 class BBoxCropper(BaseProcessor):

deploy/python/ppshitu_v2/processor/data_processor/preprocess.py → deploy/python/ppshitu_v2/processor/algo_mod/data_processor/image_processor.py

 from functools import partial
-import six
-import math
-import random
 import cv2
 import numpy as np
 import importlib
 from PIL import Image
+import paddle
 
 from utils import logger
+from processor import BaseProcessor
 
 
-class PreProcesser(object):
+class ImageProcessor(BaseProcessor):
     def __init__(self, config):
-        """Image PreProcesser
-
-        Args:
-            config (list): A list consisting of Dict object that describe an image processer operator.
-        """
-        super().__init__()
-        self.ops = self.create_ops(config)
-
-    def create_ops(self, config):
-        if not isinstance(config, list):
-            msg = "The preprocess config should be a list consisting of Dict object."
-            logger.error(msg)
-            raise Exception(msg)
-        mod = importlib.import_module(__name__)
-        ops = []
-        for op_config in config:
-            name = list(op_config)[0]
-            param = {} if op_config[name] is None else op_config[name]
-            op = getattr(mod, name)(**param)
-            ops.append(op)
-        return ops
+        self.processors = []
+        for processor_config in config.get("image_processors"):
+            name = list(processor_config)[0]
+            param = {} if processor_config[name] is None else processor_config[name]
+            op = locals()[name](**param)
+            self.processors.append(op)
+
+    def process(self, input_data):
+        image = input_data["input_image"]
+        for processor in self.processors:
+            if isinstance(processor, BaseProcessor):
+                input_data["image"] = image
+                input_data = processor.process(input_data)
+            else:
+                image = processor(image)
+        return input_data
+
+
+class GetShapeInfo(BaseProcessor):
+    def __init__(self):
+        pass
+
+    def process(self, input_data):
+        input_image = input_data["input_image"]
+        image = input_data["image"]
+        input_data['im_shape'] = np.array(input_image.shape[:2], dtype=np.float32)
+        input_data['input_shape'] = np.array(image.shape[:2], dtype=np.float32)
+        input_data['scale_factor'] = np.array([image.shape[0] / input_image.shape[0],
+                                               image.shape[1] / input_image.shape[1]], dtype=np.float32)
 
-    def __call__(self, img, img_info=None):
-        if img_info:
-            for op in self.ops:
-                img, img_info = op(img, img_info)
-            return img, img_info
-        else:
-            for op in self.ops:
-                img = op(img)
-            return img
 
+class ToTensor(BaseProcessor):
+    def __init__(self, config):
+        pass
+
+    def process(self, input_data):
+        image = input_data["image"]
+        input_data["input_tensor"] = paddle.to_tensor(image)
+        return input_data
 
-class DecodeImage(object):
-    """ decode image """
 
-    def __init__(self, to_rgb=True, to_np=False, channel_first=False):
-        self.to_rgb = to_rgb
-        self.to_np = to_np  # to numpy
-        self.channel_first = channel_first  # only enabled when to_np is True
+class ToRGB:
+    def __init__(self):
+        pass
+
+    def __call__(self, img):
+        img = img[:, :, ::-1]
+        return img
+
+
+class ToCHWImage:
+    def __init__(self):
+        pass
 
     def __call__(self, img, img_info=None):
-        if six.PY2:
-            assert type(img) is str and len(
-                img) > 0, "invalid input 'img' in DecodeImage"
-        else:
-            assert type(img) is bytes and len(
-                img) > 0, "invalid input 'img' in DecodeImage"
-        data = np.frombuffer(img, dtype='uint8')
-        img = cv2.imdecode(data, 1)
-        if self.to_rgb:
-            assert img.shape[2] == 3, 'invalid shape of image[%s]' % (
-                img.shape)
-            img = img[:, :, ::-1]
-
-        if self.channel_first:
-            img = img.transpose((2, 0, 1))
-
-        if img_info:
-            img_info["im_shape"] = np.array(img.shape[:2], dtype=np.float32)
-            img_info["scale_factor"] = np.array([1., 1.], dtype=np.float32)
-            return img, img_info
-        else:
-            return img
+        img = img.transpose((2, 0, 1))
+        return img
+
 
+class ResizeImage:
+    def __init__(self,
+                 size=None,
+                 resize_short=None,
+                 interpolation=None,
+                 backend="cv2"):
+        if resize_short is not None and resize_short > 0:
+            self.resize_short = resize_short
+            self.w = None
+            self.h = None
+        elif size is not None:
+            self.resize_short = None
+            self.w = size if type(size) is int else size[0]
+            self.h = size if type(size) is int else size[1]
+        else:
+            raise Exception("invalid params for ReisizeImage for '\
+                'both 'size' and 'resize_short' are None")
 
-class UnifiedResize(object):
-    def __init__(self, interpolation=None, backend="cv2"):
         _cv2_interp_from_str = {
             'nearest': cv2.INTER_NEAREST,
             'bilinear': cv2.INTER_LINEAR,
@@ -114,38 +122,12 @@ class UnifiedResize(object):
             self.resize_func = partial(_pil_resize, resample=interpolation)
         else:
             logger.warning(
-                f"The backend of Resize only support \"cv2\" or \"PIL\". \"f{backend}\" is unavailable. Use \"cv2\" instead."
+                f"The backend of Resize only support \"cv2\" or \"PIL\". \"f{backend}\" is unavailable. "
+                f"Use \"cv2\" instead."
             )
             self.resize_func = cv2.resize
 
-    def __call__(self, src, size):
-        return self.resize_func(src, size)
-
-
-class ResizeImage(object):
-    """ resize image """
-
-    def __init__(self,
-                 size=None,
-                 resize_short=None,
-                 interpolation=None,
-                 backend="cv2"):
-        if resize_short is not None and resize_short > 0:
-            self.resize_short = resize_short
-            self.w = None
-            self.h = None
-        elif size is not None:
-            self.resize_short = None
-            self.w = size if type(size) is int else size[0]
-            self.h = size if type(size) is int else size[1]
-        else:
-            raise Exception("invalid params for ReisizeImage for '\
-                'both 'size' and 'resize_short' are None")
-
-        self._resize_func = UnifiedResize(
-            interpolation=interpolation, backend=backend)
-
-    def __call__(self, img, img_info=None):
+    def __call__(self, img):
         img_h, img_w = img.shape[:2]
         if self.resize_short is not None:
             percent = float(self.resize_short) / min(img_w, img_h)
@@ -154,17 +136,11 @@ class ResizeImage(object):
         else:
             w = self.w
             h = self.h
-        img = self._resize_func(img, (w, h))
-        if img_info:
-            img_info["input_shape"] = img.shape[:2]
-            img_info["scale_factor"] = np.array(
-                [img.shape[0] / img_h, img.shape[1] / img_w]).astype("float32")
-            return img, img_info
-        else:
-            return img
+        img = self.resize_func(img, (w, h))
+        return img
 
 
-class CropImage(object):
+class CropImage:
     """ crop image """
 
     def __init__(self, size):
@@ -173,34 +149,25 @@ class CropImage(object):
         else:
             self.size = size  # (h, w)
 
-    def __call__(self, img, img_info=None):
+    def __call__(self, img):
         w, h = self.size
         img_h, img_w = img.shape[:2]
 
         if img_h < h or img_w < w:
             raise Exception(
-                f"The size({h}, {w}) of CropImage must be greater than size({img_h}, {img_w}) of image. Please check image original size and size of ResizeImage if used."
+                f"The size({h}, {w}) of CropImage must be greater than size({img_h}, {img_w}) of image. "
+                f"Please check image original size and size of ResizeImage if used."
             )
-
         w_start = (img_w - w) // 2
         h_start = (img_h - h) // 2
 
         w_end = w_start + w
         h_end = h_start + h
         img = img[h_start:h_end, w_start:w_end, :]
-        if img_info:
-            img_info["input_shape"] = img.shape[:2]
-            # TODO(gaotingquan): im_shape is needed to update?
-            img_info["im_shape"] = np.array(img.shape[:2], dtype=np.float32)
-            return img, img_info
-        else:
-            return img
-
+        return img
 
-class NormalizeImage(object):
-    """ normalize image such as substract mean, divide std
-    """
 
+class NormalizeImage:
     def __init__(self,
                  scale=None,
                  mean=None,
@@ -210,9 +177,8 @@ class NormalizeImage(object):
                  channel_num=3):
         if isinstance(scale, str):
             scale = eval(scale)
-        assert channel_num in [
-            3, 4
-        ], "channel number of input image should be set to 3 or 4."
+        assert channel_num in [3, 4], \
+            "channel number of input image should be set to 3 or 4."
         self.channel_num = channel_num
         self.output_dtype = 'float16' if output_fp16 else 'float32'
         self.scale = np.float32(scale if scale is not None else 1.0 / 255.0)
@@ -224,12 +190,8 @@ class NormalizeImage(object):
         self.mean = np.array(mean).reshape(shape).astype('float32')
         self.std = np.array(std).reshape(shape).astype('float32')
 
-    def __call__(self, img, img_info=None):
-        if isinstance(img, Image.Image):
-            img = np.array(img)
-
-        assert isinstance(img,
-                          np.ndarray), "invalid input 'img' in NormalizeImage"
+    def __call__(self, img):
+        assert isinstance(img, np.ndarray), "invalid input 'img' in NormalizeImage"
 
         img = (img.astype('float32') * self.scale - self.mean) / self.std
 
@@ -244,25 +206,4 @@ class NormalizeImage(object):
                    if self.order == 'chw' else np.concatenate(
                        (img, pad_zeros), axis=2))
         img = img.astype(self.output_dtype)
-        if img_info:
-            return img, img_info
-        else:
-            return img
-
-
-class ToCHWImage(object):
-    """ convert hwc image to chw image
-    """
-
-    def __init__(self):
-        pass
-
-    def __call__(self, img, img_info=None):
-        if isinstance(img, Image.Image):
-            img = np.array(img)
-
-        img = img.transpose((2, 0, 1))
-        if img_info:
-            return img, img_info
-        else:
-            return img
+        return img

deploy/python/ppshitu_v2/processor/algo_mod/predictors/__init__.py

+from .fake_cls import FakeClassifier
+
+
+def build_algo_mod(config):
+    algo_name = config.get("algo_name")
+    if algo_name == "fake_clas":
+        return FakeClassifier(config)

deploy/python/ppshitu_v2/processor/algo_mod/fake_cls.py → deploy/python/ppshitu_v2/processor/algo_mod/predictors/fake_cls.py

-from .. import BaseProcessor
+from processor import BaseProcessor
 
 
 class FakeClassifier(BaseProcessor):

deploy/python/ppshitu_v2/processor/data_processor/__init__.py

-# from bbox_cropper import
-
-
-def build_data_processor(config):
-    return

deploy/python/ppshitu_v2/processor/data_processor/image_reader.py

-from .. import BaseProcessor
-
-
-class ImageReader(BaseProcessor):
-    def __init__(self):
-        pass
-
-    def process(self, input_data):
-        pass