page.py 文件源码

def load(self, filename, analyze_only):
    # Load image, then do various conversions and thresholding.
    self.img_orig = cv2.imread(filename, cv2.IMREAD_COLOR)

    if self.img_orig is None:
      raise CompilerException("File '{}' not found".format(filename))

    self.img_grey = cv2.cvtColor(self.img_orig, cv2.COLOR_BGR2GRAY)
    _, self.img_contour = cv2.threshold(self.img_grey, 250, 255, cv2.THRESH_BINARY_INV)
    _, self.img_text = cv2.threshold(self.img_grey, 150, 255, cv2.THRESH_BINARY)
    self.root_node = None

    self.contours = self.find_contours()

    self.contour_lines, self.contour_nodes = self.categorize_contours()

    self.build_graph()
    self.build_parse_tree()

    self.parse_nodes()

    if not analyze_only:
      self.python_ast = self.root_node.to_python_ast()