mirror of https://github.com/ArduPilot/ardupilot
Tools: scripts: create mavlink_parse.py
A parser that finds incoming, requestable, and outgoing MAVLink messages for each vehicle. May not indicate full support, but at least shows the messages which are handled in the code. Requires Python >= 3.11
This commit is contained in:
ES-Alexander
Willian Galvani
parent
66c674c192
commit
9b24dd20c4
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@ -0,0 +1,502 @@
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#!/usr/bin/env python
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import re
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from enum import StrEnum # requires Python >= 3.11
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from pathlib import Path
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from itertools import chain
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from dataclasses import dataclass, astuple
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from pymavlink.dialects.v20 import (
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common, icarous, cubepilot, uAvionix, ardupilotmega
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)
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class MAVLinkDialect(StrEnum):
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# in subset, superset, unknown order, for correct links
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# supported values must match imported dialect names
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COMMON = 'common'
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ICAROUS = 'icarous'
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CUBEPILOT = 'cubepilot'
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UAVIONIX = 'uAvionix'
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ARDUPILOTMEGA = 'ardupilotmega'
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UNKNOWN = 'UNKNOWN'
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@dataclass(slots=True, order=True)
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class MAVLinkMessage:
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name: str
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source: str
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dialect: MAVLinkDialect = MAVLinkDialect.UNKNOWN
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PREFIX = 'MAVLINK_MSG_ID_'
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# Get message sets, for quick containment checks.
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# Function is required because of Python's class scoping rules.
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# See https://stackoverflow.com/questions/13905741.
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def _get_known_messages(prefix):
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''' Returns a dictionary of {dialect: {messages}} given 'prefix'. '''
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return {
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dialect: set(m for m in dir(globals()[dialect])
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if m.startswith(prefix))
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for dialect in MAVLinkDialect
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if dialect != MAVLinkDialect.UNKNOWN
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}
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KNOWN_DIALECTS = _get_known_messages(PREFIX)
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# Try to determine dialect if initialised without one specified.
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def __post_init__(self):
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if self.dialect == MAVLinkDialect.UNKNOWN:
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self.determine_dialect()
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@property
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def id_name(self):
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return self.PREFIX + self.name
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def determine_dialect(self):
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for dialect, message_set in self.KNOWN_DIALECTS.items():
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if self.id_name in message_set:
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self.dialect = dialect
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break # dialect found, no need to continue searching
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else:
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self.dialect = MAVLinkDialect.UNKNOWN
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def as_tuple(self):
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return astuple(self)
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def __str__(self):
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return f'{self.name:<45}{self.source:<55}{self.dialect}'
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@classmethod
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def get_unsupported(cls, supported: set, remove_prefix=True):
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''' Yields known messages that are not included in 'supported'. '''
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offset = len(cls.PREFIX) if remove_prefix else 0
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known_missing = set() # don't double-count for supersets
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for dialect, message_set in cls.KNOWN_DIALECTS.items():
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missing_names = message_set - supported - known_missing
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for name in missing_names:
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yield cls(name[offset:], 'UNSUPPORTED', dialect)
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known_missing |= missing_names
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class MAVLinkCommand(MAVLinkMessage):
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PREFIX = 'MAV_CMD_'
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KNOWN_DIALECTS = MAVLinkMessage._get_known_messages(PREFIX)
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@property
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def id_name(self):
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return self.name # commands are registered with their prefix
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@classmethod
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def get_unsupported(cls, supported: set, remove_prefix=False):
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''' Yields known commands that are not included in 'supported'. '''
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# avoid accidentally treating enum values as commands
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enums = [f'{e}_' for e in ardupilotmega.enums
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if e.startswith(cls.PREFIX)]
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for command in super().get_unsupported(supported, remove_prefix):
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if not any(command.name.startswith(e) for e in enums):
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yield command
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class MAVLinkDetector:
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# file paths
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BASE_DIR = Path(__file__).parent / '../..'
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COMMON_FILE = BASE_DIR / 'libraries/GCS_MAVLink/GCS_Common.cpp'
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STREAM_GROUP_FILE = 'GCS_MAVLink.cpp'
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# regex for messages handled by the autopilot
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INCOMING_MESSAGES = re.compile(r'case MAVLINK_MSG_ID_([A-Z0-9_]*)')
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# regex for commands handled by the autopilot
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INCOMING_COMMANDS = re.compile(r'case (MAV_CMD_[A-Z0-9_]*)')
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# regex for messages that can be requested from the autopilot
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REQUESTABLE_REGION = re.compile(' map\[\]([^;]*);')
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REQUESTABLE_MAP = re.compile(r'MAVLINK_MSG_ID_([A-Z0-9_]*),\s*MSG_([A-Z0-9_]*)')
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# regex for messages the autopilot might send, but cannot be requested
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OUTGOING_MESSAGES = re.compile(r'mavlink_msg_([a-z0-9_]*)_send\(')
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# regex for extracting messages in stream groups
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STREAM_GROUPS = re.compile(r'ap_message STREAM_([A-Z0-9_]*)_msgs\[\] = \{([^\}]*)')
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AP_MESSAGE = re.compile(r'MSG_([A-Z0-9_]*)')
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# regex for named values
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NAMED_FLOAT = re.compile(r'send_named_float\("([\w]*)"')
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NAMED_INT = re.compile(r'send_named_int\("([\w]*)"')
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TYPE_DESCRIPTIONS = {
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'incoming_messages':
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'Messages the autopilot handles when received.',
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'requestable_messages':
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'Messages that can be requested/streamed from the autopilot.',
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'outgoing_messages':
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'Messages the autopilot will send automatically (unrequested).',
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'named_floats':
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'Breakout of named floating-point (numerical) values sent by the autopilot.',
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'named_ints':
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'Breakout of named integer values sent by the autopilot.',
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}
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EXTRA_DESCRIPTIONS = {
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'stream_groups':
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'Message groups with stream rates requestable by `SRn_*` parameters.'
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' Messages in a group are only sent if the corresponding feature'
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' is active.',
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'missing_messages':
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'Unsupported / unhandled messages.',
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'incoming_commands':
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TYPE_DESCRIPTIONS['incoming_messages'].replace('Messages','Commands'),
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}
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EXTRA_DESCRIPTIONS['missing_commands'] = \
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EXTRA_DESCRIPTIONS['missing_messages'].replace('messages', 'commands')
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TYPE_OPTIONS = {
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'messages': MAVLinkMessage,
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'commands': MAVLinkCommand,
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}
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MAVLINK_URL = 'https://mavlink.io/en/messages/{dialect}.html#{message_name}'
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ARDUPILOT_URL = 'https://github.com/ArduPilot/ardupilot/tree/{branch}/{source}'
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EXPORT_FILETYPES = {
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'csv': 'csv',
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'markdown': 'md'
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}
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MARKDOWN_INTRO = (
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'The [MAVLink](https://mavlink.io/en/) protocol supports a variety'
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' of features and functionalities, but not all'
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' [messages](https://mavlink.io/en/messages/) or'
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' [commands](https://mavlink.io/en/services/command.html)'
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' are implemented by the ArduPilot ecosystem, or relevant to a'
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' particular autopilot firmware.\n\n'
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'This page is auto-generated from analysing the {vehicle} source'
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' code, and provides an indication of which messages{commands} are'
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' handled by, requestable from, and sent from the firmware. '
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'A message being handled does not guarantee full support, but at'
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' least shows that the autopilot is aware it exists, and will try'
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' to do something meaningful with it.{unsupported}{stream_groups}'
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)
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VEHICLES = ('AntennaTracker', 'ArduCopter', 'ArduPlane', 'ArduSub', 'Rover')
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def __init__(self, common_files, vehicle='ALL',
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exclude_libraries=['SITL', 'AP_Scripting']):
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self.vehicle = vehicle
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vehicles = [vehicle] if vehicle != 'ALL' else self.VEHICLES
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files = chain(*((self.BASE_DIR / vehicle).glob('**/*.cpp')
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for vehicle in vehicles),
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common_files)
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self.incoming_messages = {}
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self.incoming_commands = {}
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self.outgoing_messages = {}
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self.requestable_messages = {}
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self._ap_to_mavlink = {
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'NAMED_FLOAT': 'NAMED_VALUE_FLOAT', # manual inclusion
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}
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self.named_floats = {}
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self.named_ints = {}
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for file in files:
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folder = file.parent.stem
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if folder in exclude_libraries:
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continue
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text = file.read_text()
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source = f'{folder}/{file.name}'
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if file == self.COMMON_FILE:
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for mavlink, ap_message in self.find_requestable_messages(text):
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self.requestable_messages[mavlink] = \
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MAVLinkMessage(mavlink, source)
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if ap_message != mavlink:
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self._ap_to_mavlink[ap_message] = mavlink
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named_types = ('float', 'int') if folder in vehicles else ()
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for type_ in named_types:
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substring = f'named_{type_}s'
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method = getattr(self, f'find_{substring}')
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names = getattr(self, substring)
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new_names = set(method(text)) - names.keys()
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for name in new_names:
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names[name] = MAVLinkMessage(f'NAMED_VALUE_{type_.upper()}:{name}',
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source, MAVLinkDialect.COMMON)
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for method, data, type_ in (
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(self.find_incoming_messages, self.incoming_messages, 'messages'),
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(self.find_incoming_commands, self.incoming_commands, 'commands'),
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(self.find_outgoing_messages, self.outgoing_messages, 'messages'),
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):
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new_data = set(method(text)) - data.keys()
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cls = self.TYPE_OPTIONS[type_]
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for datum in new_data:
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data[datum] = cls(datum, source)
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self._supported_names = {'messages': None, 'commands': None}
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self._unsupported = self._supported_names.copy()
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self._stream_groups = self.get_stream_groups(vehicle) if len(vehicles) == 1 else []
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@classmethod
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def get_description(cls, query):
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return cls.TYPE_DESCRIPTIONS.get(query,
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cls.EXTRA_DESCRIPTIONS.get(query, '')
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)
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@classmethod
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def find_incoming_messages(cls, text: str):
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return cls.INCOMING_MESSAGES.findall(text)
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@classmethod
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def find_incoming_commands(cls, text: str):
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return cls.INCOMING_COMMANDS.findall(text)
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@classmethod
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def find_outgoing_messages(cls, text: str):
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return (msg.upper() for msg in
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cls.OUTGOING_MESSAGES.findall(text))
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@classmethod
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def find_requestable_messages(cls, text: str):
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region = cls.REQUESTABLE_REGION.search(text).group()
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return cls.REQUESTABLE_MAP.findall(region)
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@classmethod
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def find_named_floats(cls, text: str):
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return cls.NAMED_FLOAT.findall(text)
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@classmethod
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def find_named_ints(cls, text: str):
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return cls.NAMED_INT.findall(text)
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def get_stream_groups(self, vehicle):
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stream_groups = ['stream_groups']
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text = (self.BASE_DIR / vehicle / self.STREAM_GROUP_FILE).read_text()
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for group_name, message_data in self.STREAM_GROUPS.findall(text):
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stream_groups.extend(sorted(
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MAVLinkMessage(self._ap_to_mavlink.get(ap_message, ap_message),
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f'SRn_{group_name}')
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for ap_message in self.AP_MESSAGE.findall(message_data)
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))
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return stream_groups
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def get_supported(self, type: str, inject_commands=False):
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if type == 'messages':
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for message_type in self.TYPE_DESCRIPTIONS:
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values = getattr(self, message_type).values()
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if not values:
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continue
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yield message_type
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yield from sorted(values)
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# add in incoming_commands right after incoming_messages
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if inject_commands and message_type == 'incoming_messages':
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yield from self.get_supported('commands')
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elif type == 'commands':
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yield 'incoming_commands'
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yield from sorted(self.incoming_commands.values())
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def get_supported_names(self, type: str):
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if self._supported_names[type] is None:
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self._supported_names[type] = set(
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m.id_name for m in self.get_supported(type)
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if isinstance(m, MAVLinkMessage)
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)
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return self._supported_names[type]
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def get_unsupported(self, type='messages'):
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if self._unsupported[type] is None:
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supported_messages = self.get_supported_names(type)
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cls = self.TYPE_OPTIONS[type]
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self._unsupported[type] = sorted(
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cls.get_unsupported(supported_messages)
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)
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if self._unsupported[type]:
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yield f'missing_{type}'
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yield from self._unsupported[type]
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def get_iterable(self, include_commands=False, include_stream_groups=False,
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include_unsupported=False):
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iterables = [self.get_supported('messages', include_commands)]
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if include_stream_groups:
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iterables.append(self._stream_groups)
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if include_unsupported:
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iterables.append(self.get_unsupported('messages'))
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if include_commands:
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iterables.append(self.get_unsupported('commands'))
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return chain(*iterables)
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def printout(self, **iter_options):
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for data in self.get_iterable(**iter_options):
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match data: # requires Python >= 3.10
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case str() as type_:
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print(f'\n{type_}:',
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self.get_description(type_),
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sep='\n')
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case MAVLinkMessage() as message:
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print(message)
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def export(self, filename: Path, type='csv', include_commands=False,
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include_stream_groups=False, include_unsupported=False,
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**export_options):
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export_method = getattr(self, f'export_{type}')
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# ensure export_method and get_iterable have the same options specified
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iter_options = dict(
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include_commands = include_commands,
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include_stream_groups = include_stream_groups,
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include_unsupported = include_unsupported,
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)
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with open(filename, 'w') as file:
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export_method(file, self.get_iterable(**iter_options),
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**export_options, **iter_options)
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def export_csv(self, file, iterable, **ignore):
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file.write('MAVLinkMessage,CodeSource,MAVLinkDialect,MessageType\n')
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for data in iterable:
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match data:
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case str():
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current_type = data
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case MAVLinkMessage() as message:
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print(*message.as_tuple(), current_type, sep=',', file=file)
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def export_markdown(self, file, iterable, branch='master', header=None,
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use_intro=True, **extra_kwargs):
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if header == 'ArduSub':
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|
import time
|
||||||
|
now = time.strftime('%Y-%m-%dT%H:%M:%S%z')
|
||||||
|
date = f'{now[:-2]}:{now[-2:]}' # add colon to the timezone
|
||||||
|
header = '\n'.join((
|
||||||
|
'+++',
|
||||||
|
'title = "MAVLink Support"',
|
||||||
|
'description = "MAVLink message support details."',
|
||||||
|
f'{date = }', 'template = "docs/page.html"',
|
||||||
|
'sort_by = "weight"', 'weight = 20', 'draft = false',
|
||||||
|
'[extra]', 'toc = true', 'top = false',
|
||||||
|
'+++'
|
||||||
|
))
|
||||||
|
if header:
|
||||||
|
print(header, file=file)
|
||||||
|
|
||||||
|
if use_intro:
|
||||||
|
commands = stream_groups = unsupported = ''
|
||||||
|
if extra_kwargs['include_commands']:
|
||||||
|
commands = ' (and commands)'
|
||||||
|
if extra_kwargs['include_unsupported']:
|
||||||
|
unsupported = (
|
||||||
|
'\n\nKnown [unsupported messages](#missing-messages)'
|
||||||
|
f'{commands} are shown at the end.'
|
||||||
|
)
|
||||||
|
if extra_kwargs['include_stream_groups']:
|
||||||
|
stream_groups = (
|
||||||
|
'\n\nThe autopilot includes a set of [stream groups]'
|
||||||
|
'(#stream-groups) for convenience, which allow'
|
||||||
|
' configuring the stream rates of groups of'
|
||||||
|
' requestable messages by setting parameter values. '
|
||||||
|
'It is also possible to manually request messages,'
|
||||||
|
' and request individual messages be streamed at a'
|
||||||
|
' specified rate.'
|
||||||
|
)
|
||||||
|
vehicle = self.vehicle.replace('ALL', 'ArduPilot')
|
||||||
|
|
||||||
|
print(self.MARKDOWN_INTRO.format(
|
||||||
|
vehicle=vehicle, commands=commands,
|
||||||
|
stream_groups=stream_groups, unsupported=unsupported
|
||||||
|
), file=file)
|
||||||
|
|
||||||
|
for data in iterable:
|
||||||
|
match data:
|
||||||
|
case str() as type_:
|
||||||
|
heading = type_.title().replace('_', ' ')
|
||||||
|
source_header = (
|
||||||
|
'Code Source' if type_ != 'stream_groups' else
|
||||||
|
'Stream Group Parameter'
|
||||||
|
)
|
||||||
|
print(f'## {heading}',
|
||||||
|
self.get_description(type_),
|
||||||
|
f'\nMAVLink Message | {source_header} | MAVLink Dialect',
|
||||||
|
'--- | --- | ---', sep='\n', file=file)
|
||||||
|
case MAVLinkMessage() as message:
|
||||||
|
name, source, dialect = message.as_tuple()
|
||||||
|
if dialect != MAVLinkDialect.UNKNOWN:
|
||||||
|
msg_url = self.MAVLINK_URL.format(dialect=dialect,
|
||||||
|
message_name=name.split(':')[0])
|
||||||
|
name = f'[{name}]({msg_url})'
|
||||||
|
if source != 'UNSUPPORTED' and not source.startswith('SRn'):
|
||||||
|
folder = source.split('/')[0]
|
||||||
|
base = 'libraries/' if folder not in self.VEHICLES else ''
|
||||||
|
code_url = self.ARDUPILOT_URL.format(branch=branch,
|
||||||
|
source=base+source)
|
||||||
|
source = f'[{source}]({code_url})'
|
||||||
|
|
||||||
|
print(name, source, dialect, sep=' | ', file=file)
|
||||||
|
|
||||||
|
|
||||||
|
if __name__ == '__main__':
|
||||||
|
from inspect import signature
|
||||||
|
from argparse import ArgumentParser, ArgumentDefaultsHelpFormatter
|
||||||
|
|
||||||
|
detector_init_params = signature(MAVLinkDetector.__init__).parameters
|
||||||
|
default_vehicle = detector_init_params['vehicle'].default
|
||||||
|
vehicle_options = [default_vehicle, *MAVLinkDetector.VEHICLES]
|
||||||
|
default_exclusions = detector_init_params['exclude_libraries'].default
|
||||||
|
|
||||||
|
parser = ArgumentParser(formatter_class=ArgumentDefaultsHelpFormatter)
|
||||||
|
parse_opts = parser.add_argument_group('parsing options')
|
||||||
|
parse_opts.add_argument('-v', '--vehicle', default=default_vehicle,
|
||||||
|
choices=vehicle_options, help='Vehicle folder, or ALL.')
|
||||||
|
parse_opts.add_argument('-e', '--exclude-library', action='append',
|
||||||
|
default=default_exclusions,
|
||||||
|
help='Libraries to exclude from the search.')
|
||||||
|
parse_opts.add_argument('-c', '--include-commands', action='store_true',
|
||||||
|
help='Include MAVLink commands as well as messages.')
|
||||||
|
parse_opts.add_argument('-g', '--include-stream-groups', action='store_true',
|
||||||
|
help='Include stream group message sets in the output.')
|
||||||
|
parse_opts.add_argument('-u', '--include-unsupported', action='store_true',
|
||||||
|
help='Include unsupported messages in the output.')
|
||||||
|
export_opts = parser.add_argument_group('export options')
|
||||||
|
export_opts.add_argument('-q', '--quiet', action='store_true',
|
||||||
|
help='Disable printout, only export a file.')
|
||||||
|
export_opts.add_argument('-f', '--format', default='markdown',
|
||||||
|
choices=['csv', 'markdown', 'none'],
|
||||||
|
help='Desired format for the exported file.')
|
||||||
|
export_opts.add_argument('-b', '--branch',
|
||||||
|
help=('The branch to link to in markdown mode.'
|
||||||
|
' Defaults to the branch in the working directory.'))
|
||||||
|
export_opts.add_argument('--filename', help='Override default filename.')
|
||||||
|
export_opts.add_argument('--header', help='Header for the markdown file.')
|
||||||
|
export_opts.add_argument('--no-intro', action='store_true',
|
||||||
|
help="Flag to not use the automatic markdown intro.")
|
||||||
|
|
||||||
|
args = parser.parse_args()
|
||||||
|
|
||||||
|
assert (args.vehicle in MAVLinkDetector.VEHICLES
|
||||||
|
or not args.include_stream_groups), \
|
||||||
|
'Determining stream groups requires a single vehicle to be specified.'
|
||||||
|
|
||||||
|
common_files = (MAVLinkDetector.BASE_DIR / 'libraries').glob('**/*.cpp')
|
||||||
|
messages = MAVLinkDetector(common_files, args.vehicle, args.exclude_library)
|
||||||
|
|
||||||
|
include_options = dict(
|
||||||
|
include_commands = args.include_commands,
|
||||||
|
include_stream_groups = args.include_stream_groups,
|
||||||
|
include_unsupported = args.include_unsupported,
|
||||||
|
)
|
||||||
|
|
||||||
|
if not args.quiet:
|
||||||
|
messages.printout(**include_options)
|
||||||
|
if args.format != 'none':
|
||||||
|
ext = messages.EXPORT_FILETYPES[args.format]
|
||||||
|
branch = args.branch
|
||||||
|
if not branch:
|
||||||
|
import subprocess
|
||||||
|
pattern = re.compile(r'On branch ([\S]*)')
|
||||||
|
result = subprocess.run(['git', 'status'], capture_output=True).stdout
|
||||||
|
try:
|
||||||
|
branch, = pattern.search(result.decode()).groups()
|
||||||
|
except AttributeError as e:
|
||||||
|
raise Exception(
|
||||||
|
'No --branch specified, and "git status" failed to find one.'
|
||||||
|
'Please manually specify an ardupilot firmware branch for '
|
||||||
|
'code source hyperlinks (e.g. Sub-4.1) or ensure this '
|
||||||
|
'repository copy is managed by git.'
|
||||||
|
)
|
||||||
|
|
||||||
|
filename = (
|
||||||
|
args.filename or
|
||||||
|
f'{args.vehicle}_{branch}_MAVLink_Messages.{ext}'
|
||||||
|
)
|
||||||
|
|
||||||
|
messages.export(filename, type=args.format, branch=branch, header=args.header,
|
||||||
|
use_intro=not args.no_intro, **include_options)
|
||||||
Loading…
Reference in New Issue