7c084b6649
Introduce `robot` command for running Robot Framework test suites. Initial implementation consists of one runner dedicated for renode-test, which is a Renode wrapper for running Robot tests. Signed-off-by: Michał Szprejda <mszprejda@antmicro.com>
822 lines
32 KiB
Python
822 lines
32 KiB
Python
#! /usr/bin/env python3
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# Copyright (c) 2017 Linaro Limited.
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# Copyright (c) 2017 Open Source Foundries Limited.
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#
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# SPDX-License-Identifier: Apache-2.0
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"""Zephyr binary runner core interfaces
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This provides the core ZephyrBinaryRunner class meant for public use,
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as well as some other helpers for concrete runner classes.
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"""
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import abc
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import argparse
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import errno
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import logging
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import os
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import platform
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import shlex
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import shutil
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import signal
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import subprocess
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import re
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from dataclasses import dataclass, field
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from functools import partial
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from enum import Enum
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from inspect import isabstract
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from typing import Dict, List, NamedTuple, NoReturn, Optional, Set, Type, \
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Union
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# Turn on to enable just logging the commands that would be run (at
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# info rather than debug level), without actually running them. This
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# can break runners that are expecting output or if one command
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# depends on another, so it's just for debugging.
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_DRY_RUN = False
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_logger = logging.getLogger('runners')
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class _DebugDummyPopen:
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def terminate(self):
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pass
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def wait(self):
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pass
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MAX_PORT = 49151
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class NetworkPortHelper:
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'''Helper class for dealing with local IP network ports.'''
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def get_unused_ports(self, starting_from):
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'''Find unused network ports, starting at given values.
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starting_from is an iterable of ports the caller would like to use.
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The return value is an iterable of ports, in the same order, using
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the given values if they were unused, or the next sequentially
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available unused port otherwise.
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Ports may be bound between this call's check and actual usage, so
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callers still need to handle errors involving returned ports.'''
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start = list(starting_from)
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used = self._used_now()
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ret = []
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for desired in start:
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port = desired
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while port in used:
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port += 1
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if port > MAX_PORT:
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msg = "ports above {} are in use"
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raise ValueError(msg.format(desired))
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used.add(port)
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ret.append(port)
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return ret
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def _used_now(self):
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handlers = {
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'Windows': self._used_now_windows,
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'Linux': self._used_now_linux,
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'Darwin': self._used_now_darwin,
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}
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handler = handlers[platform.system()]
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return handler()
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def _used_now_windows(self):
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cmd = ['netstat', '-a', '-n', '-p', 'tcp']
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return self._parser_windows(cmd)
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def _used_now_linux(self):
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cmd = ['ss', '-a', '-n', '-t']
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return self._parser_linux(cmd)
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def _used_now_darwin(self):
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cmd = ['netstat', '-a', '-n', '-p', 'tcp']
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return self._parser_darwin(cmd)
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@staticmethod
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def _parser_windows(cmd):
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out = subprocess.check_output(cmd).split(b'\r\n')
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used_bytes = [x.split()[1].rsplit(b':', 1)[1] for x in out
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if x.startswith(b' TCP')]
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return {int(b) for b in used_bytes}
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@staticmethod
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def _parser_linux(cmd):
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out = subprocess.check_output(cmd).splitlines()[1:]
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used_bytes = [s.split()[3].rsplit(b':', 1)[1] for s in out]
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return {int(b) for b in used_bytes}
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@staticmethod
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def _parser_darwin(cmd):
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out = subprocess.check_output(cmd).split(b'\n')
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used_bytes = [x.split()[3].rsplit(b':', 1)[1] for x in out
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if x.startswith(b'tcp')]
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return {int(b) for b in used_bytes}
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class BuildConfiguration:
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'''This helper class provides access to build-time configuration.
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Configuration options can be read as if the object were a dict,
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either object['CONFIG_FOO'] or object.get('CONFIG_FOO').
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Kconfig configuration values are available (parsed from .config).'''
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def __init__(self, build_dir: str):
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self.build_dir = build_dir
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self.options: Dict[str, Union[str, int]] = {}
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self.path = os.path.join(self.build_dir, 'zephyr', '.config')
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self._parse()
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def __contains__(self, item):
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return item in self.options
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def __getitem__(self, item):
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return self.options[item]
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def get(self, option, *args):
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return self.options.get(option, *args)
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def getboolean(self, option):
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'''If a boolean option is explicitly set to y or n,
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returns its value. Otherwise, falls back to False.
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'''
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return self.options.get(option, False)
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def _parse(self):
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filename = self.path
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opt_value = re.compile('^(?P<option>CONFIG_[A-Za-z0-9_]+)=(?P<value>.*)$')
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not_set = re.compile('^# (?P<option>CONFIG_[A-Za-z0-9_]+) is not set$')
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with open(filename, 'r') as f:
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for line in f:
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match = opt_value.match(line)
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if match:
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value = match.group('value').rstrip()
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if value.startswith('"') and value.endswith('"'):
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# A string literal should have the quotes stripped,
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# but otherwise be left as is.
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value = value[1:-1]
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elif value == 'y':
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# The character 'y' is a boolean option
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# that is set to True.
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value = True
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else:
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# Neither a string nor 'y', so try to parse it
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# as an integer.
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try:
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base = 16 if value.startswith('0x') else 10
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self.options[match.group('option')] = int(value, base=base)
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continue
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except ValueError:
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pass
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self.options[match.group('option')] = value
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continue
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match = not_set.match(line)
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if match:
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# '# CONFIG_FOO is not set' means a boolean option is false.
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self.options[match.group('option')] = False
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class MissingProgram(FileNotFoundError):
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'''FileNotFoundError subclass for missing program dependencies.
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No significant changes from the parent FileNotFoundError; this is
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useful for explicitly signaling that the file in question is a
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program that some class requires to proceed.
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The filename attribute contains the missing program.'''
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def __init__(self, program):
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super().__init__(errno.ENOENT, os.strerror(errno.ENOENT), program)
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_RUNNERCAPS_COMMANDS = {'flash', 'debug', 'debugserver', 'attach', 'simulate', 'robot'}
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@dataclass
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class RunnerCaps:
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'''This class represents a runner class's capabilities.
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Each capability is represented as an attribute with the same
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name. Flag attributes are True or False.
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Available capabilities:
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- commands: set of supported commands; default is {'flash',
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'debug', 'debugserver', 'attach', 'simulate', 'robot'}.
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- dev_id: whether the runner supports device identifiers, in the form of an
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-i, --dev-id option. This is useful when the user has multiple debuggers
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connected to a single computer, in order to select which one will be used
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with the command provided.
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- flash_addr: whether the runner supports flashing to an
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arbitrary address. Default is False. If true, the runner
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must honor the --dt-flash option.
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- erase: whether the runner supports an --erase option, which
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does a mass-erase of the entire addressable flash on the target
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before flashing. On multi-core SoCs, this may only erase portions of
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flash specific the actual target core. (This option can be useful for
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things like clearing out old settings values or other subsystem state
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that may affect the behavior of the zephyr image. It is also sometimes
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needed by SoCs which have flash-like areas that can't be sector
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erased by the underlying tool before flashing; UICR on nRF SoCs
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is one example.)
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- reset: whether the runner supports a --reset option, which
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resets the device after a flash operation is complete.
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- extload: whether the runner supports a --extload option, which
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must be given one time and is passed on to the underlying tool
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that the runner wraps.
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- tool_opt: whether the runner supports a --tool-opt (-O) option, which
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can be given multiple times and is passed on to the underlying tool
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that the runner wraps.
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- file: whether the runner supports a --file option, which specifies
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exactly the file that should be used to flash, overriding any default
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discovered in the build directory.
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- hide_load_files: whether the elf/hex/bin file arguments should be hidden.
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'''
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commands: Set[str] = field(default_factory=lambda: set(_RUNNERCAPS_COMMANDS))
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dev_id: bool = False
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flash_addr: bool = False
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erase: bool = False
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reset: bool = False
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extload: bool = False
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tool_opt: bool = False
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file: bool = False
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hide_load_files: bool = False
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def __post_init__(self):
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if not self.commands.issubset(_RUNNERCAPS_COMMANDS):
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raise ValueError(f'{self.commands=} contains invalid command')
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def _missing_cap(cls: Type['ZephyrBinaryRunner'], option: str) -> NoReturn:
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# Helper function that's called when an option was given on the
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# command line that corresponds to a missing capability in the
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# runner class cls.
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raise ValueError(f"{cls.name()} doesn't support {option} option")
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class FileType(Enum):
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OTHER = 0
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HEX = 1
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BIN = 2
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ELF = 3
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class RunnerConfig(NamedTuple):
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'''Runner execution-time configuration.
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This is a common object shared by all runners. Individual runners
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can register specific configuration options using their
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do_add_parser() hooks.
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'''
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build_dir: str # application build directory
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board_dir: str # board definition directory
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elf_file: Optional[str] # zephyr.elf path, or None
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exe_file: Optional[str] # zephyr.exe path, or None
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hex_file: Optional[str] # zephyr.hex path, or None
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bin_file: Optional[str] # zephyr.bin path, or None
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uf2_file: Optional[str] # zephyr.uf2 path, or None
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file: Optional[str] # binary file path (provided by the user), or None
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file_type: Optional[FileType] = FileType.OTHER # binary file type
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gdb: Optional[str] = None # path to a usable gdb
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openocd: Optional[str] = None # path to a usable openocd
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openocd_search: List[str] = [] # add these paths to the openocd search path
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_YN_CHOICES = ['Y', 'y', 'N', 'n', 'yes', 'no', 'YES', 'NO']
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class _DTFlashAction(argparse.Action):
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def __call__(self, parser, namespace, values, option_string=None):
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if values.lower().startswith('y'):
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namespace.dt_flash = True
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else:
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namespace.dt_flash = False
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class _ToggleAction(argparse.Action):
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def __call__(self, parser, args, ignored, option):
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setattr(args, self.dest, not option.startswith('--no-'))
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class DeprecatedAction(argparse.Action):
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def __call__(self, parser, namespace, values, option_string=None):
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_logger.warning(f'Argument {self.option_strings[0]} is deprecated' +
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(f' for your runner {self._cls.name()}' if self._cls is not None else '') +
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f', use {self._replacement} instead.')
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setattr(namespace, self.dest, values)
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def depr_action(*args, cls=None, replacement=None, **kwargs):
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action = DeprecatedAction(*args, **kwargs)
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setattr(action, '_cls', cls)
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setattr(action, '_replacement', replacement)
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return action
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class ZephyrBinaryRunner(abc.ABC):
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'''Abstract superclass for binary runners (flashers, debuggers).
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**Note**: this class's API has changed relatively rarely since it
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as added, but it is not considered a stable Zephyr API, and may change
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without notice.
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With some exceptions, boards supported by Zephyr must provide
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generic means to be flashed (have a Zephyr firmware binary
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permanently installed on the device for running) and debugged
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(have a breakpoint debugger and program loader on a host
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workstation attached to a running target).
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This is supported by four top-level commands managed by the
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Zephyr build system:
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- 'flash': flash a previously configured binary to the board,
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start execution on the target, then return.
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- 'debug': connect to the board via a debugging protocol, program
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the flash, then drop the user into a debugger interface with
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symbol tables loaded from the current binary, and block until it
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exits.
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- 'debugserver': connect via a board-specific debugging protocol,
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then reset and halt the target. Ensure the user is now able to
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connect to a debug server with symbol tables loaded from the
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binary.
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- 'attach': connect to the board via a debugging protocol, then drop
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the user into a debugger interface with symbol tables loaded from
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the current binary, and block until it exits. Unlike 'debug', this
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command does not program the flash.
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This class provides an API for these commands. Every subclass is
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called a 'runner' for short. Each runner has a name (like
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'pyocd'), and declares commands it can handle (like
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'flash'). Boards (like 'nrf52dk/nrf52832') declare which runner(s)
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are compatible with them to the Zephyr build system, along with
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information on how to configure the runner to work with the board.
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The build system will then place enough information in the build
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directory to create and use runners with this class's create()
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method, which provides a command line argument parsing API. You
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can also create runners by instantiating subclasses directly.
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In order to define your own runner, you need to:
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1. Define a ZephyrBinaryRunner subclass, and implement its
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abstract methods. You may need to override capabilities().
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2. Make sure the Python module defining your runner class is
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imported, e.g. by editing this package's __init__.py (otherwise,
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get_runners() won't work).
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3. Give your runner's name to the Zephyr build system in your
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board's board.cmake.
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Additional advice:
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- If you need to import any non-standard-library modules, make sure
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to catch ImportError and defer complaints about it to a RuntimeError
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if one is missing. This avoids affecting users that don't require your
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runner, while still making it clear what went wrong to users that do
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require it that don't have the necessary modules installed.
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- If you need to ask the user something (e.g. using input()), do it
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in your create() classmethod, not do_run(). That ensures your
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__init__() really has everything it needs to call do_run(), and also
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avoids calling input() when not instantiating within a command line
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application.
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- Use self.logger to log messages using the standard library's
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logging API; your logger is named "runner.<your-runner-name()>"
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For command-line invocation from the Zephyr build system, runners
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define their own argparse-based interface through the common
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add_parser() (and runner-specific do_add_parser() it delegates
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to), and provide a way to create instances of themselves from
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a RunnerConfig and parsed runner-specific arguments via create().
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Runners use a variety of host tools and configuration values, the
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user interface to which is abstracted by this class. Each runner
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subclass should take any values it needs to execute one of these
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commands in its constructor. The actual command execution is
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handled in the run() method.'''
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def __init__(self, cfg: RunnerConfig):
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'''Initialize core runner state.'''
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self.cfg = cfg
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'''RunnerConfig for this instance.'''
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self.logger = logging.getLogger('runners.{}'.format(self.name()))
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'''logging.Logger for this instance.'''
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@staticmethod
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def get_runners() -> List[Type['ZephyrBinaryRunner']]:
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'''Get a list of all currently defined runner classes.'''
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def inheritors(klass):
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subclasses = set()
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work = [klass]
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while work:
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parent = work.pop()
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for child in parent.__subclasses__():
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if child not in subclasses:
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if not isabstract(child):
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subclasses.add(child)
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work.append(child)
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return subclasses
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return inheritors(ZephyrBinaryRunner)
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@classmethod
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@abc.abstractmethod
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def name(cls) -> str:
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'''Return this runner's user-visible name.
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When choosing a name, pick something short and lowercase,
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based on the name of the tool (like openocd, jlink, etc.) or
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the target architecture/board (like xtensa etc.).'''
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@classmethod
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def capabilities(cls) -> RunnerCaps:
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'''Returns a RunnerCaps representing this runner's capabilities.
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This implementation returns the default capabilities.
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Subclasses should override appropriately if needed.'''
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return RunnerCaps()
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@classmethod
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def add_parser(cls, parser):
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'''Adds a sub-command parser for this runner.
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The given object, parser, is a sub-command parser from the
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argparse module. For more details, refer to the documentation
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for argparse.ArgumentParser.add_subparsers().
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The lone common optional argument is:
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* --dt-flash (if the runner capabilities includes flash_addr)
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Runner-specific options are added through the do_add_parser()
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hook.'''
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# Unfortunately, the parser argument's type is not documented
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# in typeshed, so we can't type annotate much here.
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# Common options that depend on runner capabilities. If a
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# capability is not supported, the option string or strings
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# are added anyway, to prevent an individual runner class from
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# using them to mean something else.
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caps = cls.capabilities()
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if caps.dev_id:
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parser.add_argument('-i', '--dev-id',
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dest='dev_id',
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help=cls.dev_id_help())
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else:
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parser.add_argument('-i', '--dev-id', help=argparse.SUPPRESS)
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if caps.flash_addr:
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parser.add_argument('--dt-flash', default='n', choices=_YN_CHOICES,
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action=_DTFlashAction,
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help='''If 'yes', try to use flash address
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information from devicetree when flash
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addresses are unknown (e.g. when flashing a .bin)''')
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else:
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parser.add_argument('--dt-flash', help=argparse.SUPPRESS)
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if caps.file:
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parser.add_argument('-f', '--file',
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dest='file',
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help="path to binary file")
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parser.add_argument('-t', '--file-type',
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dest='file_type',
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help="type of binary file")
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else:
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parser.add_argument('-f', '--file', help=argparse.SUPPRESS)
|
|
parser.add_argument('-t', '--file-type', help=argparse.SUPPRESS)
|
|
|
|
if caps.hide_load_files:
|
|
parser.add_argument('--elf-file', help=argparse.SUPPRESS)
|
|
parser.add_argument('--hex-file', help=argparse.SUPPRESS)
|
|
parser.add_argument('--bin-file', help=argparse.SUPPRESS)
|
|
else:
|
|
parser.add_argument('--elf-file',
|
|
metavar='FILE',
|
|
action=(partial(depr_action, cls=cls, replacement='-f/--file') if caps.file else None),
|
|
help='path to zephyr.elf' if not caps.file else 'Deprecated, use -f/--file instead.')
|
|
parser.add_argument('--hex-file',
|
|
metavar='FILE',
|
|
action=(partial(depr_action, cls=cls, replacement='-f/--file') if caps.file else None),
|
|
help='path to zephyr.hex' if not caps.file else 'Deprecated, use -f/--file instead.')
|
|
parser.add_argument('--bin-file',
|
|
metavar='FILE',
|
|
action=(partial(depr_action, cls=cls, replacement='-f/--file') if caps.file else None),
|
|
help='path to zephyr.bin' if not caps.file else 'Deprecated, use -f/--file instead.')
|
|
|
|
parser.add_argument('--erase', '--no-erase', nargs=0,
|
|
action=_ToggleAction,
|
|
help=("mass erase flash before loading, or don't. "
|
|
"Default action depends on each specific runner."
|
|
if caps.erase else argparse.SUPPRESS))
|
|
|
|
parser.add_argument('--reset', '--no-reset', nargs=0,
|
|
action=_ToggleAction,
|
|
help=("reset device after flashing, or don't. "
|
|
"Default action depends on each specific runner."
|
|
if caps.reset else argparse.SUPPRESS))
|
|
|
|
parser.add_argument('--extload', dest='extload',
|
|
help=(cls.extload_help() if caps.extload
|
|
else argparse.SUPPRESS))
|
|
|
|
parser.add_argument('-O', '--tool-opt', dest='tool_opt',
|
|
default=[], action='append',
|
|
help=(cls.tool_opt_help() if caps.tool_opt
|
|
else argparse.SUPPRESS))
|
|
|
|
# Runner-specific options.
|
|
cls.do_add_parser(parser)
|
|
|
|
@classmethod
|
|
@abc.abstractmethod
|
|
def do_add_parser(cls, parser):
|
|
'''Hook for adding runner-specific options.'''
|
|
|
|
@classmethod
|
|
def create(cls, cfg: RunnerConfig,
|
|
args: argparse.Namespace) -> 'ZephyrBinaryRunner':
|
|
'''Create an instance from command-line arguments.
|
|
|
|
- ``cfg``: runner configuration (pass to superclass __init__)
|
|
- ``args``: arguments parsed from execution environment, as
|
|
specified by ``add_parser()``.'''
|
|
caps = cls.capabilities()
|
|
if args.dev_id and not caps.dev_id:
|
|
_missing_cap(cls, '--dev-id')
|
|
if args.dt_flash and not caps.flash_addr:
|
|
_missing_cap(cls, '--dt-flash')
|
|
if args.erase and not caps.erase:
|
|
_missing_cap(cls, '--erase')
|
|
if args.reset and not caps.reset:
|
|
_missing_cap(cls, '--reset')
|
|
if args.extload and not caps.extload:
|
|
_missing_cap(cls, '--extload')
|
|
if args.tool_opt and not caps.tool_opt:
|
|
_missing_cap(cls, '--tool-opt')
|
|
if args.file and not caps.file:
|
|
_missing_cap(cls, '--file')
|
|
if args.file_type and not args.file:
|
|
raise ValueError("--file-type requires --file")
|
|
if args.file_type and not caps.file:
|
|
_missing_cap(cls, '--file-type')
|
|
|
|
ret = cls.do_create(cfg, args)
|
|
if args.erase:
|
|
ret.logger.info('mass erase requested')
|
|
if args.reset:
|
|
ret.logger.info('reset after flashing requested')
|
|
return ret
|
|
|
|
@classmethod
|
|
@abc.abstractmethod
|
|
def do_create(cls, cfg: RunnerConfig,
|
|
args: argparse.Namespace) -> 'ZephyrBinaryRunner':
|
|
'''Hook for instance creation from command line arguments.'''
|
|
|
|
@staticmethod
|
|
def get_flash_address(args: argparse.Namespace,
|
|
build_conf: BuildConfiguration,
|
|
default: int = 0x0) -> int:
|
|
'''Helper method for extracting a flash address.
|
|
|
|
If args.dt_flash is true, returns the address obtained from
|
|
ZephyrBinaryRunner.flash_address_from_build_conf(build_conf).
|
|
|
|
Otherwise (when args.dt_flash is False), the default value is
|
|
returned.'''
|
|
if args.dt_flash:
|
|
return ZephyrBinaryRunner.flash_address_from_build_conf(build_conf)
|
|
else:
|
|
return default
|
|
|
|
@staticmethod
|
|
def flash_address_from_build_conf(build_conf: BuildConfiguration):
|
|
'''If CONFIG_HAS_FLASH_LOAD_OFFSET is n in build_conf,
|
|
return the CONFIG_FLASH_BASE_ADDRESS value. Otherwise, return
|
|
CONFIG_FLASH_BASE_ADDRESS + CONFIG_FLASH_LOAD_OFFSET.
|
|
'''
|
|
if build_conf.getboolean('CONFIG_HAS_FLASH_LOAD_OFFSET'):
|
|
return (build_conf['CONFIG_FLASH_BASE_ADDRESS'] +
|
|
build_conf['CONFIG_FLASH_LOAD_OFFSET'])
|
|
else:
|
|
return build_conf['CONFIG_FLASH_BASE_ADDRESS']
|
|
|
|
def run(self, command: str, **kwargs):
|
|
'''Runs command ('flash', 'debug', 'debugserver', 'attach').
|
|
|
|
This is the main entry point to this runner.'''
|
|
caps = self.capabilities()
|
|
if command not in caps.commands:
|
|
raise ValueError('runner {} does not implement command {}'.format(
|
|
self.name(), command))
|
|
self.do_run(command, **kwargs)
|
|
|
|
@abc.abstractmethod
|
|
def do_run(self, command: str, **kwargs):
|
|
'''Concrete runner; run() delegates to this. Implement in subclasses.
|
|
|
|
In case of an unsupported command, raise a ValueError.'''
|
|
|
|
@property
|
|
def build_conf(self) -> BuildConfiguration:
|
|
'''Get a BuildConfiguration for the build directory.'''
|
|
if not hasattr(self, '_build_conf'):
|
|
self._build_conf = BuildConfiguration(self.cfg.build_dir)
|
|
return self._build_conf
|
|
|
|
@property
|
|
def thread_info_enabled(self) -> bool:
|
|
'''Returns True if self.build_conf has
|
|
CONFIG_DEBUG_THREAD_INFO enabled.
|
|
'''
|
|
return self.build_conf.getboolean('CONFIG_DEBUG_THREAD_INFO')
|
|
|
|
@classmethod
|
|
def dev_id_help(cls) -> str:
|
|
''' Get the ArgParse help text for the --dev-id option.'''
|
|
return '''Device identifier. Use it to select
|
|
which debugger, device, node or instance to
|
|
target when multiple ones are available or
|
|
connected.'''
|
|
|
|
@classmethod
|
|
def extload_help(cls) -> str:
|
|
''' Get the ArgParse help text for the --extload option.'''
|
|
return '''External loader to be used by stm32cubeprogrammer
|
|
to program the targeted external memory.
|
|
The runner requires the external loader (*.stldr) filename.
|
|
This external loader (*.stldr) must be located within
|
|
STM32CubeProgrammer/bin/ExternalLoader directory.'''
|
|
|
|
@classmethod
|
|
def tool_opt_help(cls) -> str:
|
|
''' Get the ArgParse help text for the --tool-opt option.'''
|
|
return '''Option to pass on to the underlying tool used
|
|
by this runner. This can be given multiple times;
|
|
the resulting arguments will be given to the tool
|
|
in the order they appear on the command line.'''
|
|
|
|
@staticmethod
|
|
def require(program: str, path: Optional[str] = None) -> str:
|
|
'''Require that a program is installed before proceeding.
|
|
|
|
:param program: name of the program that is required,
|
|
or path to a program binary.
|
|
:param path: PATH where to search for the program binary.
|
|
By default check on the system PATH.
|
|
|
|
If ``program`` is an absolute path to an existing program
|
|
binary, this call succeeds. Otherwise, try to find the program
|
|
by name on the system PATH or in the given PATH, if provided.
|
|
|
|
If the program can be found, its path is returned.
|
|
Otherwise, raises MissingProgram.'''
|
|
ret = shutil.which(program, path=path)
|
|
if ret is None:
|
|
raise MissingProgram(program)
|
|
return ret
|
|
|
|
def run_server_and_client(self, server, client, **kwargs):
|
|
'''Run a server that ignores SIGINT, and a client that handles it.
|
|
|
|
This routine portably:
|
|
|
|
- creates a Popen object for the ``server`` command which ignores
|
|
SIGINT
|
|
- runs ``client`` in a subprocess while temporarily ignoring SIGINT
|
|
- cleans up the server after the client exits.
|
|
- the keyword arguments, if any, will be passed down to both server and
|
|
client subprocess calls
|
|
|
|
It's useful to e.g. open a GDB server and client.'''
|
|
server_proc = self.popen_ignore_int(server, **kwargs)
|
|
try:
|
|
self.run_client(client, **kwargs)
|
|
finally:
|
|
server_proc.terminate()
|
|
server_proc.wait()
|
|
|
|
def run_client(self, client, **kwargs):
|
|
'''Run a client that handles SIGINT.'''
|
|
previous = signal.signal(signal.SIGINT, signal.SIG_IGN)
|
|
try:
|
|
self.check_call(client, **kwargs)
|
|
finally:
|
|
signal.signal(signal.SIGINT, previous)
|
|
|
|
def _log_cmd(self, cmd: List[str]):
|
|
escaped = ' '.join(shlex.quote(s) for s in cmd)
|
|
if not _DRY_RUN:
|
|
self.logger.debug(escaped)
|
|
else:
|
|
self.logger.info(escaped)
|
|
|
|
def call(self, cmd: List[str], **kwargs) -> int:
|
|
'''Subclass subprocess.call() wrapper.
|
|
|
|
Subclasses should use this method to run command in a
|
|
subprocess and get its return code, rather than
|
|
using subprocess directly, to keep accurate debug logs.
|
|
'''
|
|
self._log_cmd(cmd)
|
|
if _DRY_RUN:
|
|
return 0
|
|
return subprocess.call(cmd, **kwargs)
|
|
|
|
def check_call(self, cmd: List[str], **kwargs):
|
|
'''Subclass subprocess.check_call() wrapper.
|
|
|
|
Subclasses should use this method to run command in a
|
|
subprocess and check that it executed correctly, rather than
|
|
using subprocess directly, to keep accurate debug logs.
|
|
'''
|
|
self._log_cmd(cmd)
|
|
if _DRY_RUN:
|
|
return
|
|
subprocess.check_call(cmd, **kwargs)
|
|
|
|
def check_output(self, cmd: List[str], **kwargs) -> bytes:
|
|
'''Subclass subprocess.check_output() wrapper.
|
|
|
|
Subclasses should use this method to run command in a
|
|
subprocess and check that it executed correctly, rather than
|
|
using subprocess directly, to keep accurate debug logs.
|
|
'''
|
|
self._log_cmd(cmd)
|
|
if _DRY_RUN:
|
|
return b''
|
|
return subprocess.check_output(cmd, **kwargs)
|
|
|
|
def popen_ignore_int(self, cmd: List[str], **kwargs) -> subprocess.Popen:
|
|
'''Spawn a child command, ensuring it ignores SIGINT.
|
|
|
|
The returned subprocess.Popen object must be manually terminated.'''
|
|
cflags = 0
|
|
preexec = None
|
|
system = platform.system()
|
|
|
|
if system == 'Windows':
|
|
# We can't type check this line on Unix operating systems:
|
|
# mypy thinks the subprocess module has no such attribute.
|
|
cflags |= subprocess.CREATE_NEW_PROCESS_GROUP # type: ignore
|
|
elif system in {'Linux', 'Darwin'}:
|
|
# We can't type check this on Windows for the same reason.
|
|
preexec = os.setsid # type: ignore
|
|
|
|
self._log_cmd(cmd)
|
|
if _DRY_RUN:
|
|
return _DebugDummyPopen() # type: ignore
|
|
|
|
return subprocess.Popen(cmd, creationflags=cflags, preexec_fn=preexec, **kwargs)
|
|
|
|
def ensure_output(self, output_type: str) -> None:
|
|
'''Ensure self.cfg has a particular output artifact.
|
|
|
|
For example, ensure_output('bin') ensures that self.cfg.bin_file
|
|
refers to an existing file. Errors out if it's missing or undefined.
|
|
|
|
:param output_type: string naming the output type
|
|
'''
|
|
output_file = getattr(self.cfg, f'{output_type}_file', None)
|
|
|
|
if output_file is None:
|
|
err = f'{output_type} file location is unknown.'
|
|
elif not os.path.isfile(output_file):
|
|
err = f'{output_file} does not exist.'
|
|
else:
|
|
return
|
|
|
|
if output_type in ('elf', 'hex', 'bin', 'uf2'):
|
|
err += f' Try enabling CONFIG_BUILD_OUTPUT_{output_type.upper()}.'
|
|
|
|
# RuntimeError avoids a stack trace saved in run_common.
|
|
raise RuntimeError(err)
|