update

Author: yi.wu

python/paddle/fluid/transpiler/details/program_utils.py

@@ -39,3 +39,136 @@ def find_op_by_output_arg(block, arg_name):
         if arg_name in op.output_arg_names:
             return index
     return -1
+
+
+def get_indent_space(indent, space_num=4):
+    ret = ""
+    for i in range(0, indent * space_num):
+        ret += " "
+
+    return ret
+
+
+def variable_to_code(var):
+    """
+    Get readable codes of fluid variable.
+    Args:
+        var: A fluid operator.
+    Returns:
+        string: The formatted string.
+    """
+    if var.type == core.VarDesc.VarType.SELECTED_ROWS or var.type == core.VarDesc.VarType.LOD_TENSOR:
+        var_str = "{name} : fluid.{type}.shape{shape}.astype({dtype})".\
+            format(i="{", e="}", name=var.name, type=var.type, shape=var.shape, dtype=var.dtype)
+    else:
+        var_str = "{name} : fluid.{type})".\
+            format(i="{", e="}", name=var.name, type=var.type)
+
+    if type(var) == paddle.fluid.framework.Parameter:
+        if var.trainable:
+            var_str = "trainable parameter " + var_str
+        else:
+            var_str = "parameter " + var_str
+    else:
+        var_str = "var " + var_str
+
+    if var.persistable:
+        var_str = "persist " + var_str
+
+    return var_str
+
+
+def op_to_code(op):
+    """
+    Get readable codes of fluid operator.
+    Args:
+        op: A fluid operator.
+    Returns:
+        string: The foramtted string.
+    """
+
+    outputs_str = "{"
+    for i in range(0, len(op.output_names)):
+        outputs_str += "{name}=".format(name=op.output_names[i])
+        o = op.output(op.output_names[i])
+        outputs_str += "{value}".format(value=o)
+        if i != len(op.output_names) - 1:
+            outputs_str += ", "
+    outputs_str += "}"
+
+    inputs_str = "{"
+    for i in range(0, len(op.input_names)):
+        inputs_str += "{name}=".format(name=op.input_names[i])
+        o = op.input(op.input_names[i])
+        inputs_str += "{value}".format(value=o)
+
+        if i != len(op.input_names) - 1:
+            inputs_str += ", "
+    inputs_str += "}"
+
+    attrs_str = ""
+    for i in range(0, len(op.attr_names)):
+        name = op.attr_names[i]
+
+        attr_type = op.desc.attr_type(name)
+        if attr_type == core.AttrType.BLOCK:
+            a = "{name} = block[{value}]".format(
+                name=name, type=attr_type, value=op.block_attr_id(name))
+            attrs_str += a
+            continue
+
+        if attr_type == core.AttrType.BLOCKS:
+            a = "{name} = blocks{value}".format(
+                name=name, type=attr_type, value=op.blocks_attr_ids(name))
+            attrs_str += a
+            continue
+
+        a = "{name} = {value}".format(
+            name=name, type=attr_type, value=op.desc.attr(name))
+        attrs_str += a
+        if i != len(op.attr_names) - 1:
+            attrs_str += ", "
+
+    if outputs_str != "{}":
+        op_str = "{outputs} = {op_type}(inputs={inputs}, {attrs})".\
+            format(outputs = outputs_str, op_type=op.type, inputs=inputs_str, attrs=attrs_str)
+    else:
+        op_str = "{op_type}(inputs={inputs}, {attrs})".\
+            format(op_type=op.type, inputs=inputs_str, attrs=attrs_str)
+    return op_str
+
+
+def block_to_code(block, block_idx):
+    indent = 0
+
+    print("{0}{1} // block {2}".format(
+        get_indent_space(indent), '{', block_idx))
+
+    indent += 1
+    # sort all vars
+    all_vars = sorted(block.vars.iteritems(), key=lambda x: x[0])
+    for var in all_vars:
+        print("{}{}".format(get_indent_space(indent), variable_to_code(var[1])))
+
+    if len(all_vars) > 0:
+        print("")
+
+    for op in block.ops:
+        print("{}{}".format(get_indent_space(indent), op_to_code(op)))
+    indent -= 1
+
+    print("{0}{1}".format(get_indent_space(indent), '}'))
+
+
+def program_to_code(prog):
+    """
+    Print readable codes of fluid program.
+    Args:
+        prog : A fluid program.
+    An example result like bellow:
+    https://github.com/PaddlePaddle/Paddle/pull/12673
+    """
+    block_idx = 0
+    for block in prog.blocks:
+        block_to_code(block, block_idx)
+        block_idx += 1