mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-09 17:10:17 +00:00
123 lines
3.2 KiB
Python
Executable File
123 lines
3.2 KiB
Python
Executable File
#!/usr/bin/env python
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import json
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import os
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import sys
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import collections
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import itertools
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import numbers
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from google.protobuf import json_format
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try:
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basestring
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except NameError:
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basestring = (str, bytes)
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HEADER_TEMPLATE = """
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// This file is automatically generated by nem_mosaics.py -- DO NOT EDIT!
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#ifndef __NEM_MOSAICS_H__
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#define __NEM_MOSAICS_H__
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#include "types.pb.h"
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#define NEM_MOSAIC_DEFINITIONS_COUNT ({count})
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extern const NEMMosaicDefinition NEM_MOSAIC_DEFINITIONS[NEM_MOSAIC_DEFINITIONS_COUNT];
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extern const NEMMosaicDefinition *NEM_MOSAIC_DEFINITION_XEM;
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#endif
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""".lstrip() # noqa: E501
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CODE_TEMPLATE = """
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// This file is automatically generated by nem_mosaics.py -- DO NOT EDIT!
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#include "nem_mosaics.h"
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const NEMMosaicDefinition NEM_MOSAIC_DEFINITIONS[NEM_MOSAIC_DEFINITIONS_COUNT] = {code};
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const NEMMosaicDefinition *NEM_MOSAIC_DEFINITION_XEM = NEM_MOSAIC_DEFINITIONS;
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""".lstrip() # noqa: E501
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def format_primitive(value):
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if isinstance(value, bool):
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return ("false", "true")[value]
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elif isinstance(value, numbers.Number):
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return str(value)
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elif isinstance(value, basestring):
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return json.dumps(value)
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elif isinstance(value, collections.Sequence):
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return "{ " + ", ".join(
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format_primitive(item) for item in value
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) + " }"
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else:
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raise TypeError
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def format_struct(struct):
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return "{\n" + "\n".join(
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"\t.{0} = {1},".format(member, value)
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for member, value in struct.items()
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) + "\n}"
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def format_field(field, value):
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if field.message_type is not None:
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raise TypeError
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elif field.enum_type:
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type_name = field.enum_type.name
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enum_name = field.enum_type.values_by_number[value].name
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return "{0}_{1}".format(type_name, enum_name)
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elif hasattr(value, "_values"):
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return format_primitive(value._values)
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else:
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return format_primitive(value)
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def field_to_meta(field, value):
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if field.label == field.LABEL_REPEATED:
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return ("{}_count".format(field.name), format_primitive(len(value)))
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else:
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return ("has_{}".format(field.name), format_primitive(True))
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def message_to_struct(_message, proto):
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message = json_format.ParseDict(_message, proto())
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return collections.OrderedDict(itertools.chain.from_iterable(
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(
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field_to_meta(field, value),
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(field.name, format_field(field, value)),
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) for field, value in message.ListFields()
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))
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def format_message(message, proto):
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return format_struct(message_to_struct(message, proto))
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def format_messages(messages, proto):
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return "{" + ",\n".join(
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format_message(message, proto) for message in messages
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) + "}"
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if __name__ == "__main__":
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os.chdir(os.path.abspath(os.path.dirname(__file__)))
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sys.path.insert(0, "protob")
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import types_pb2 as types
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messages = json.load(open("nem_mosaics.json"))
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with open("nem_mosaics.h", "w+") as f:
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f.write(HEADER_TEMPLATE.format(
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count=format_primitive(len(messages)))
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)
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with open("nem_mosaics.c", "w+") as f:
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f.write(CODE_TEMPLATE.format(
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code=format_messages(messages, types.NEMMosaicDefinition))
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)
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