code: def create_doc_copy(
      in_file="../../python/_dynet.pyx", out_file="dynet.py"
  ):
      in_comment = False
      in_func = False
  
      with open(out_file, "w+") as py:
          with open(in_file, "r") as pyx:
              for l in pyx:
                  # Check if this line is a function declaration (def or cpdef)
                  is_func = re.match(
                      r"(\s*)(?:cp)?def (.*)\((.*)\):", l, re.I
                  )
                  if is_func:
                      # If the previous line was a function, print pass
                      if in_func:
                          print(indent + PASS, file=py)
                      # Preserve indentation
                      indent = get_indent(is_func.group(INDENT))
                      # Get function name
                      name = get_func_name(is_func.group(NAME))
                      # Get arguments
                      arguments = pythonize_arguments(
                          is_func.group(ARGUMENTS)
                      )
                      # Print declaration
                      print(
                          indent
                          + "def "
                          + name
                          + "("
                          + arguments
                          + "):",
                          file=py,
                      )
                      # Now in function body
                      in_func = True
                      continue
                  # Check if this line declares a class
                  is_class = re.match(
                      r"(\s*)(?:cdef )?class (.*)(\(.*\))?:", l, re.I
                  )
                  if is_class:
                      # Preserve indentation
                      indent = get_indent(is_class.group(INDENT))
                      # Get parent class
                      inherit = get_inherit(is_class.group(INHERIT))
                      # Print declaration
                      print(
                          indent
                          + "class "
                          + is_class.group(NAME)
                          + inherit
                          + ":",
                          file=py,
                      )
                  # Handle comments (better)
                  is_comment = re.match(r'(\s*)"""(.*)', l, re.I) or (
                      '"""' in l and in_comment
                  )  # This last case is to account for end of line """ to end the comment
                  # If start or beginning of comment
                  if is_comment:
                      # If end of comment, print the """
                      if in_comment:
                          print(l[:-1], file=py)
                      # Toggle in_comment indicator
                      in_comment = not in_comment
                      # If this is a single line comment, end in_comment scope
                      if l.count('"""') > 1:
                          in_comment = False
                  # Print comment line
                  if in_comment:
                      print(l[:-1], file=py)
                      continue
                  # If not in comment anymore but still in function scope, print pass
                  if in_func:
                      print(indent + PASS, file=py)
                      in_func = False
  
imports: from __future__ import print_function
  import re
label_desc: Use image node_id 5 for calling a global function with example usage: create_doc_copy(in_file, out_file) without return types