mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
2d61c9ca79
Before this change idf.py could exit with reason cmake does not exist in PATH even cmake will not be executed by idf.py (e.g., 'idf.py gdb').
777 lines
32 KiB
Python
Executable File
777 lines
32 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# 'idf.py' is a top-level config/build command line tool for ESP-IDF
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#
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# You don't have to use idf.py, you can use cmake directly
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# (or use cmake in an IDE)
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# WARNING: we don't check for Python build-time dependencies until
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# check_environment() function below. If possible, avoid importing
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# any external libraries here - put in external script, or import in
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# their specific function instead.
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from __future__ import annotations
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import codecs
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import json
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import locale
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import os
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import os.path
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import signal
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import subprocess
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import sys
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from collections import Counter, OrderedDict, _OrderedDictKeysView
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from importlib import import_module
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from pkgutil import iter_modules
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from types import FrameType
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from typing import Any, Callable, Dict, List, Optional, Union
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# pyc files remain in the filesystem when switching between branches which might raise errors for incompatible
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# idf.py extensions. Therefore, pyc file generation is turned off:
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sys.dont_write_bytecode = True
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import python_version_checker # noqa: E402
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try:
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from idf_py_actions.errors import FatalError # noqa: E402
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from idf_py_actions.tools import (PROG, SHELL_COMPLETE_RUN, SHELL_COMPLETE_VAR, PropertyDict, # noqa: E402
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debug_print_idf_version, get_target, merge_action_lists, print_warning, realpath)
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if os.getenv('IDF_COMPONENT_MANAGER') != '0':
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from idf_component_manager import idf_extensions
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except ImportError:
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# For example, importing click could cause this.
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print('Please use idf.py only in an ESP-IDF shell environment.', file=sys.stderr)
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sys.exit(1)
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# Use this Python interpreter for any subprocesses we launch
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PYTHON = sys.executable
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# note: os.environ changes don't automatically propagate to child processes,
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# you have to pass env=os.environ explicitly anywhere that we create a process
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os.environ['PYTHON'] = sys.executable
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def check_environment() -> List:
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"""
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Verify the environment contains the top-level tools we need to operate
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(cmake will check a lot of other things)
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"""
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checks_output = []
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# verify that IDF_PATH env variable is set
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# find the directory idf.py is in, then the parent directory of this, and assume this is IDF_PATH
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detected_idf_path = realpath(os.path.join(os.path.dirname(__file__), '..'))
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if 'IDF_PATH' in os.environ:
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set_idf_path = realpath(os.environ['IDF_PATH'])
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if set_idf_path != detected_idf_path:
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print_warning(
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'WARNING: IDF_PATH environment variable is set to %s but %s path indicates IDF directory %s. '
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'Using the environment variable directory, but results may be unexpected...' %
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(set_idf_path, PROG, detected_idf_path))
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else:
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print_warning('Setting IDF_PATH environment variable: %s' % detected_idf_path)
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os.environ['IDF_PATH'] = detected_idf_path
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try:
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# The Python compatibility check could have been done earlier (tools/detect_python.{sh,fish}) but PATH is
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# not set for import at that time. Even if the check would be done before, the same check needs to be done
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# here as well (for example one can call idf.py from a not properly set-up environment).
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python_version_checker.check()
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except RuntimeError as e:
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raise FatalError(e)
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# check Python dependencies
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checks_output.append('Checking Python dependencies...')
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try:
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out = subprocess.check_output(
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[
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os.environ['PYTHON'],
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os.path.join(os.environ['IDF_PATH'], 'tools', 'idf_tools.py'),
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'check-python-dependencies',
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],
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env=os.environ,
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)
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checks_output.append(out.decode('utf-8', 'ignore').strip())
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except subprocess.CalledProcessError as e:
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print_warning(e.output.decode('utf-8', 'ignore'), stream=sys.stderr)
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debug_print_idf_version()
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raise SystemExit(1)
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return checks_output
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def _safe_relpath(path: str, start: Optional[str]=None) -> str:
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""" Return a relative path, same as os.path.relpath, but only if this is possible.
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It is not possible on Windows, if the start directory and the path are on different drives.
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"""
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try:
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return os.path.relpath(path, os.curdir if start is None else start)
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except ValueError:
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return os.path.abspath(path)
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def init_cli(verbose_output: List=None) -> Any:
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# Click is imported here to run it after check_environment()
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import click
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class Deprecation(object):
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"""Construct deprecation notice for help messages"""
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def __init__(self, deprecated: Union[Dict, str, bool]=False) -> None:
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self.deprecated = deprecated
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self.since = None
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self.removed = None
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self.exit_with_error = None
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self.custom_message = ''
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if isinstance(deprecated, dict):
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self.custom_message = deprecated.get('message', '')
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self.since = deprecated.get('since', None)
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self.removed = deprecated.get('removed', None)
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self.exit_with_error = deprecated.get('exit_with_error', None)
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elif isinstance(deprecated, str):
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self.custom_message = deprecated
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def full_message(self, type: str='Option') -> str:
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if self.exit_with_error:
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return '%s is deprecated %sand was removed%s.%s' % (
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type,
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'since %s ' % self.since if self.since else '',
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' in %s' % self.removed if self.removed else '',
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' %s' % self.custom_message if self.custom_message else '',
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)
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else:
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return '%s is deprecated %sand will be removed in%s.%s' % (
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type,
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'since %s ' % self.since if self.since else '',
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' %s' % self.removed if self.removed else ' future versions',
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' %s' % self.custom_message if self.custom_message else '',
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)
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def help(self, text: str, type: str='Option', separator: str=' ') -> str:
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text = text or ''
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return self.full_message(type) + separator + text if self.deprecated else text
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def short_help(self, text: str) -> str:
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text = text or ''
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return ('Deprecated! ' + text) if self.deprecated else text
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def check_deprecation(ctx: click.core.Context) -> None:
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"""Prints deprecation warnings for arguments in given context"""
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for option in ctx.command.params:
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default = () if option.multiple else option.default
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if isinstance(option, Option) and option.deprecated and ctx.params[option.name] != default:
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deprecation = Deprecation(option.deprecated)
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if deprecation.exit_with_error:
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raise FatalError('Error: %s' % deprecation.full_message('Option "%s"' % option.name))
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else:
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print_warning('Warning: %s' % deprecation.full_message('Option "%s"' % option.name))
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class Task(object):
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def __init__(self, callback: Callable, name: str, aliases: List, dependencies: Optional[List],
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order_dependencies: Optional[List], action_args: Dict) -> None:
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self.callback = callback
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self.name = name
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self.dependencies = dependencies
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self.order_dependencies = order_dependencies
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self.action_args = action_args
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self.aliases = aliases
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def __call__(self, context: click.core.Context, global_args: PropertyDict, action_args: Dict=None) -> None:
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if action_args is None:
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action_args = self.action_args
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self.callback(self.name, context, global_args, **action_args)
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class Action(click.Command):
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def __init__(
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self,
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name: Optional[str]=None,
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aliases: Optional[List]=None,
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deprecated: Union[Dict, str, bool]=False,
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dependencies: Optional[List]=None,
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order_dependencies: Optional[List]=None,
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hidden: bool=False,
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**kwargs: Any) -> None:
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super(Action, self).__init__(name, **kwargs)
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self.name: str = self.name or self.callback.__name__
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self.deprecated: Union[Dict, str, bool] = deprecated
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self.hidden: bool = hidden
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if aliases is None:
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aliases = []
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self.aliases = aliases
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self.help: str = self.help or self.callback.__doc__ or ''
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if dependencies is None:
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dependencies = []
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if order_dependencies is None:
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order_dependencies = []
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# Show first line of help if short help is missing
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self.short_help: str = self.short_help or self.help.split('\n')[0]
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if deprecated:
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deprecation = Deprecation(deprecated)
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self.short_help = deprecation.short_help(self.short_help)
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self.help = deprecation.help(self.help, type='Command', separator='\n')
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# Add aliases to help string
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if aliases:
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aliases_help = 'Aliases: %s.' % ', '.join(aliases)
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self.help = '\n'.join([self.help, aliases_help])
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self.short_help = ' '.join([aliases_help, self.short_help])
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self.unwrapped_callback = self.callback
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if self.callback is not None:
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def wrapped_callback(**action_args: Any) -> Task:
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return Task(
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callback=self.unwrapped_callback,
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name=self.name,
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dependencies=dependencies,
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order_dependencies=order_dependencies,
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action_args=action_args,
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aliases=self.aliases,
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)
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self.callback = wrapped_callback
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def invoke(self, ctx: click.core.Context) -> click.core.Context:
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if self.deprecated:
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deprecation = Deprecation(self.deprecated)
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message = deprecation.full_message('Command "%s"' % self.name)
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if deprecation.exit_with_error:
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raise FatalError('Error: %s' % message)
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else:
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print_warning('Warning: %s' % message)
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self.deprecated = False # disable Click's built-in deprecation handling
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# Print warnings for options
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check_deprecation(ctx)
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return super(Action, self).invoke(ctx)
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class Argument(click.Argument):
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"""
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Positional argument
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names - alias of 'param_decls'
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"""
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def __init__(self, **kwargs: str):
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names = kwargs.pop('names')
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super(Argument, self).__init__(names, **kwargs)
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class Scope(object):
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"""
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Scope for sub-command option.
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possible values:
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- default - only available on defined level (global/action)
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- global - When defined for action, also available as global
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- shared - Opposite to 'global': when defined in global scope, also available for all actions
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"""
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SCOPES = ('default', 'global', 'shared')
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def __init__(self, scope: Union['Scope', str]=None) -> None:
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if scope is None:
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self._scope = 'default'
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elif isinstance(scope, str) and scope in self.SCOPES:
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self._scope = scope
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elif isinstance(scope, Scope):
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self._scope = str(scope)
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else:
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raise FatalError('Unknown scope for option: %s' % scope)
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@property
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def is_global(self) -> bool:
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return self._scope == 'global'
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@property
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def is_shared(self) -> bool:
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return self._scope == 'shared'
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def __str__(self) -> str:
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return self._scope
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class Option(click.Option):
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"""Option that knows whether it should be global"""
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def __init__(self, scope: Union[Scope, str]=None, deprecated: Union[Dict, str, bool]=False, hidden: bool=False, **kwargs: str) -> None:
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"""
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Keyword arguments additional to Click's Option class:
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names - alias of 'param_decls'
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deprecated - marks option as deprecated. May be boolean, string (with custom deprecation message)
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or dict with optional keys:
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since: version of deprecation
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removed: version when option will be removed
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custom_message: Additional text to deprecation warning
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"""
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kwargs['param_decls'] = kwargs.pop('names')
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super(Option, self).__init__(**kwargs)
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self.deprecated = deprecated
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self.scope = Scope(scope)
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self.hidden = hidden
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if deprecated:
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deprecation = Deprecation(deprecated)
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self.help: str = deprecation.help(self.help)
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if self.envvar:
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self.help += ' The default value can be set with the %s environment variable.' % self.envvar
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if self.scope.is_global:
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self.help += ' This option can be used at most once either globally, or for one subcommand.'
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def get_help_record(self, ctx: click.core.Context) -> Any:
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# Backport "hidden" parameter to click 5.0
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if self.hidden:
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return None
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return super(Option, self).get_help_record(ctx)
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class CLI(click.MultiCommand):
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"""Action list contains all actions with options available for CLI"""
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def __init__(self, all_actions: Dict=None, verbose_output: List=None, help: str=None) -> None:
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super(CLI, self).__init__(
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chain=True,
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invoke_without_command=True,
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result_callback=self.execute_tasks,
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no_args_is_help=True,
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context_settings={'max_content_width': 140},
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help=help,
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)
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self._actions = {}
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self.global_action_callbacks = []
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self.commands_with_aliases = {}
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if verbose_output is None:
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verbose_output = []
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self.verbose_output = verbose_output
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if all_actions is None:
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all_actions = {}
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shared_options = []
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# Global options
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for option_args in all_actions.get('global_options', []):
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option = Option(**option_args)
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self.params.append(option)
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if option.scope.is_shared:
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shared_options.append(option)
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# Global options validators
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self.global_action_callbacks = all_actions.get('global_action_callbacks', [])
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# Actions
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for name, action in all_actions.get('actions', {}).items():
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arguments = action.pop('arguments', [])
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options = action.pop('options', [])
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if arguments is None:
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arguments = []
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if options is None:
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options = []
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self._actions[name] = Action(name=name, **action)
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for alias in [name] + action.get('aliases', []):
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self.commands_with_aliases[alias] = name
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for argument_args in arguments:
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self._actions[name].params.append(Argument(**argument_args))
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# Add all shared options
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for option in shared_options:
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self._actions[name].params.append(option)
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for option_args in options:
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option = Option(**option_args)
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if option.scope.is_shared:
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raise FatalError(
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'"%s" is defined for action "%s". '
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' "shared" options can be declared only on global level' % (option.name, name))
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# Promote options to global if see for the first time
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if option.scope.is_global and option.name not in [o.name for o in self.params]:
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self.params.append(option)
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self._actions[name].params.append(option)
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def list_commands(self, ctx: click.core.Context) -> List:
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return sorted(filter(lambda name: not self._actions[name].hidden, self._actions))
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def get_command(self, ctx: click.core.Context, name: str) -> Optional[Action]:
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if name in self.commands_with_aliases:
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return self._actions.get(self.commands_with_aliases.get(name))
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# Trying fallback to build target (from "all" action) if command is not known
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else:
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callback = self._actions.get('fallback')
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if callback:
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return Action(name=name, callback=callback.unwrapped_callback)
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return None
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def _print_closing_message(self, args: PropertyDict, actions: _OrderedDictKeysView) -> None:
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# print a closing message of some kind
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#
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if any(t in str(actions) for t in ('flash', 'dfu', 'uf2', 'uf2-app')):
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print('Done')
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return
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if not os.path.exists(os.path.join(args.build_dir, 'flasher_args.json')):
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print('Done')
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return
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# Otherwise, if we built any binaries print a message about
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# how to flash them
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def print_flashing_message(title: str, key: str) -> None:
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with open(os.path.join(args.build_dir, 'flasher_args.json')) as file:
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flasher_args: Dict[str, Any] = json.load(file)
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def flasher_path(f: Union[str, 'os.PathLike[str]']) -> str:
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if type(args.build_dir) is bytes:
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args.build_dir = args.build_dir.decode()
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return _safe_relpath(os.path.join(args.build_dir, f))
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if key != 'project': # flashing a single item
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if key not in flasher_args:
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# This is the case for 'idf.py bootloader' if Secure Boot is on, need to follow manual flashing steps
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print('\n%s build complete.' % title)
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return
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cmd = ''
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if (key == 'bootloader'): # bootloader needs --flash-mode, etc to be passed in
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cmd = ' '.join(flasher_args['write_flash_args']) + ' '
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cmd += flasher_args[key]['offset'] + ' '
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cmd += flasher_path(flasher_args[key]['file'])
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else: # flashing the whole project
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cmd = ' '.join(flasher_args['write_flash_args']) + ' '
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flash_items = sorted(
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((o, f) for (o, f) in flasher_args['flash_files'].items() if len(o) > 0),
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key=lambda x: int(x[0], 0),
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)
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for o, f in flash_items:
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cmd += o + ' ' + flasher_path(f) + ' '
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print('\n%s build complete. To flash, run this command:' % title)
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print(
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'%s %s -p %s -b %s --before %s --after %s --chip %s %s write_flash %s' % (
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PYTHON,
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_safe_relpath('%s/components/esptool_py/esptool/esptool.py' % os.environ['IDF_PATH']),
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args.port or '(PORT)',
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args.baud,
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flasher_args['extra_esptool_args']['before'],
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flasher_args['extra_esptool_args']['after'],
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flasher_args['extra_esptool_args']['chip'],
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|
'--no-stub' if not flasher_args['extra_esptool_args']['stub'] else '',
|
|
cmd.strip(),
|
|
))
|
|
print(
|
|
"or run 'idf.py -p %s %s'" % (
|
|
args.port or '(PORT)',
|
|
key + '-flash' if key != 'project' else 'flash',
|
|
))
|
|
|
|
if 'all' in actions or 'build' in actions:
|
|
print_flashing_message('Project', 'project')
|
|
else:
|
|
if 'app' in actions:
|
|
print_flashing_message('App', 'app')
|
|
if 'partition-table' in actions:
|
|
print_flashing_message('Partition Table', 'partition-table')
|
|
if 'bootloader' in actions:
|
|
print_flashing_message('Bootloader', 'bootloader')
|
|
|
|
def execute_tasks(self, tasks: List, **kwargs: str) -> OrderedDict:
|
|
ctx = click.get_current_context()
|
|
global_args = PropertyDict(kwargs)
|
|
|
|
# Show warning if some tasks are present several times in the list
|
|
dupplicated_tasks = sorted(
|
|
[item for item, count in Counter(task.name for task in tasks).items() if count > 1])
|
|
if dupplicated_tasks:
|
|
dupes = ', '.join('"%s"' % t for t in dupplicated_tasks)
|
|
|
|
print_warning(
|
|
'WARNING: Command%s found in the list of commands more than once. ' %
|
|
('s %s are' % dupes if len(dupplicated_tasks) > 1 else ' %s is' % dupes) +
|
|
'Only first occurrence will be executed.')
|
|
|
|
for task in tasks:
|
|
# Set propagated global options.
|
|
# These options may be set on one subcommand, but available in the list of global arguments
|
|
for key in list(task.action_args):
|
|
option = next((o for o in ctx.command.params if o.name == key), None)
|
|
|
|
if option and (option.scope.is_global or option.scope.is_shared):
|
|
local_value = task.action_args.pop(key)
|
|
global_value = global_args[key]
|
|
default = () if option.multiple else option.default
|
|
|
|
if global_value != default and local_value != default and global_value != local_value:
|
|
raise FatalError(
|
|
'Option "%s" provided for "%s" is already defined to a different value. '
|
|
'This option can appear at most once in the command line.' % (key, task.name))
|
|
if local_value != default:
|
|
global_args[key] = local_value
|
|
|
|
# Show warnings about global arguments
|
|
check_deprecation(ctx)
|
|
|
|
# Make sure that define_cache_entry is mutable list and can be modified in callbacks
|
|
global_args.define_cache_entry = list(global_args.define_cache_entry)
|
|
|
|
# Execute all global action callback - first from idf.py itself, then from extensions
|
|
for action_callback in ctx.command.global_action_callbacks:
|
|
action_callback(ctx, global_args, tasks)
|
|
|
|
# Build full list of tasks to and deal with dependencies and order dependencies
|
|
tasks_to_run: OrderedDict = OrderedDict()
|
|
while tasks:
|
|
task = tasks[0]
|
|
tasks_dict = dict([(t.name, t) for t in tasks])
|
|
|
|
dependecies_processed = True
|
|
|
|
# If task have some dependecies they have to be executed before the task.
|
|
for dep in task.dependencies:
|
|
if dep not in tasks_to_run.keys():
|
|
# If dependent task is in the list of unprocessed tasks move to the front of the list
|
|
if dep in tasks_dict.keys():
|
|
dep_task = tasks.pop(tasks.index(tasks_dict[dep]))
|
|
# Otherwise invoke it with default set of options
|
|
# and put to the front of the list of unprocessed tasks
|
|
else:
|
|
print(
|
|
'Adding "%s"\'s dependency "%s" to list of commands with default set of options.' %
|
|
(task.name, dep))
|
|
dep_task = ctx.invoke(ctx.command.get_command(ctx, dep))
|
|
|
|
# Remove options with global scope from invoke tasks because they are already in global_args
|
|
for key in list(dep_task.action_args):
|
|
option = next((o for o in ctx.command.params if o.name == key), None)
|
|
if option and (option.scope.is_global or option.scope.is_shared):
|
|
dep_task.action_args.pop(key)
|
|
|
|
tasks.insert(0, dep_task)
|
|
dependecies_processed = False
|
|
|
|
# Order only dependencies are moved to the front of the queue if they present in command list
|
|
for dep in task.order_dependencies:
|
|
if dep in tasks_dict.keys() and dep not in tasks_to_run.keys():
|
|
tasks.insert(0, tasks.pop(tasks.index(tasks_dict[dep])))
|
|
dependecies_processed = False
|
|
|
|
if dependecies_processed:
|
|
# Remove task from list of unprocessed tasks
|
|
tasks.pop(0)
|
|
|
|
# And add to the queue
|
|
if task.name not in tasks_to_run.keys():
|
|
tasks_to_run.update([(task.name, task)])
|
|
|
|
# Run all tasks in the queue
|
|
# when global_args.dry_run is true idf.py works in idle mode and skips actual task execution
|
|
if not global_args.dry_run:
|
|
for task in tasks_to_run.values():
|
|
name_with_aliases = task.name
|
|
if task.aliases:
|
|
name_with_aliases += ' (aliases: %s)' % ', '.join(task.aliases)
|
|
|
|
# When machine-readable json format for help is printed, don't show info about executing action so the output is deserializable
|
|
if name_with_aliases != 'help' or not task.action_args.get('json_option', False):
|
|
print('Executing action: %s' % name_with_aliases)
|
|
task(ctx, global_args, task.action_args)
|
|
|
|
self._print_closing_message(global_args, tasks_to_run.keys())
|
|
|
|
return tasks_to_run
|
|
|
|
# That's a tiny parser that parse project-dir even before constructing
|
|
# fully featured click parser to be sure that extensions are loaded from the right place
|
|
@click.command(
|
|
add_help_option=False,
|
|
context_settings={
|
|
'allow_extra_args': True,
|
|
'ignore_unknown_options': True
|
|
},
|
|
)
|
|
@click.option('-C', '--project-dir', default=os.getcwd(), type=click.Path())
|
|
def parse_project_dir(project_dir: str) -> Any:
|
|
return realpath(project_dir)
|
|
|
|
# Set `complete_var` to not existing environment variable name to prevent early cmd completion
|
|
project_dir = parse_project_dir(standalone_mode=False, complete_var='_IDF.PY_COMPLETE_NOT_EXISTING')
|
|
|
|
all_actions: Dict = {}
|
|
# Load extensions from components dir
|
|
idf_py_extensions_path = os.path.join(os.environ['IDF_PATH'], 'tools', 'idf_py_actions')
|
|
extension_dirs = [realpath(idf_py_extensions_path)]
|
|
extra_paths = os.environ.get('IDF_EXTRA_ACTIONS_PATH')
|
|
if extra_paths is not None:
|
|
for path in extra_paths.split(';'):
|
|
path = realpath(path)
|
|
if path not in extension_dirs:
|
|
extension_dirs.append(path)
|
|
|
|
extensions = []
|
|
for directory in extension_dirs:
|
|
if directory and not os.path.exists(directory):
|
|
print_warning('WARNING: Directory with idf.py extensions doesn\'t exist:\n %s' % directory)
|
|
continue
|
|
|
|
sys.path.append(directory)
|
|
for _finder, name, _ispkg in sorted(iter_modules([directory])):
|
|
if name.endswith('_ext'):
|
|
extensions.append((name, import_module(name)))
|
|
|
|
# Load component manager idf.py extensions if not explicitly disabled
|
|
if os.getenv('IDF_COMPONENT_MANAGER') != '0':
|
|
extensions.append(('component_manager_ext', idf_extensions))
|
|
|
|
# Optional load `pyclang` for additional clang-tidy related functionalities
|
|
try:
|
|
from pyclang import idf_extension
|
|
|
|
extensions.append(('idf_clang_tidy_ext', idf_extension))
|
|
except ImportError:
|
|
pass
|
|
|
|
for name, extension in extensions:
|
|
try:
|
|
all_actions = merge_action_lists(all_actions, extension.action_extensions(all_actions, project_dir))
|
|
except AttributeError:
|
|
print_warning('WARNING: Cannot load idf.py extension "%s"' % name)
|
|
|
|
# Load extensions from project dir
|
|
if os.path.exists(os.path.join(project_dir, 'idf_ext.py')):
|
|
sys.path.append(project_dir)
|
|
try:
|
|
from idf_ext import action_extensions
|
|
except ImportError:
|
|
print_warning('Error importing extension file idf_ext.py. Skipping.')
|
|
print_warning(
|
|
"Please make sure that it contains implementation (even if it's empty) of add_action_extensions")
|
|
|
|
try:
|
|
all_actions = merge_action_lists(all_actions, action_extensions(all_actions, project_dir))
|
|
except NameError:
|
|
pass
|
|
|
|
cli_help = (
|
|
'ESP-IDF CLI build management tool. '
|
|
'For commands that are not known to idf.py an attempt to execute it as a build system target will be made. '
|
|
'Selected target: {}'.format(get_target(project_dir)))
|
|
|
|
return CLI(help=cli_help, verbose_output=verbose_output, all_actions=all_actions)
|
|
|
|
|
|
def signal_handler(_signal: int, _frame: Optional[FrameType]) -> None:
|
|
# The Ctrl+C processed by other threads inside
|
|
pass
|
|
|
|
|
|
def main() -> None:
|
|
# Processing of Ctrl+C event for all threads made by main()
|
|
signal.signal(signal.SIGINT, signal_handler)
|
|
|
|
# Check the environment only when idf.py is invoked regularly from command line.
|
|
checks_output = None if SHELL_COMPLETE_RUN else check_environment()
|
|
|
|
try:
|
|
cli = init_cli(verbose_output=checks_output)
|
|
except ImportError:
|
|
if SHELL_COMPLETE_RUN:
|
|
pass
|
|
else:
|
|
raise
|
|
else:
|
|
cli(sys.argv[1:], prog_name=PROG, complete_var=SHELL_COMPLETE_VAR)
|
|
|
|
|
|
def _valid_unicode_config() -> Union[codecs.CodecInfo, bool]:
|
|
# Python 2 is always good
|
|
if sys.version_info[0] == 2:
|
|
return True
|
|
|
|
# With python 3 unicode environment is required
|
|
try:
|
|
return codecs.lookup(locale.getpreferredencoding()).name != 'ascii'
|
|
except Exception:
|
|
return False
|
|
|
|
|
|
def _find_usable_locale() -> str:
|
|
try:
|
|
locales = subprocess.Popen(['locale', '-a'], stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()[0].decode('ascii', 'replace')
|
|
except OSError:
|
|
locales = ''
|
|
|
|
usable_locales: List[str] = []
|
|
for line in locales.splitlines():
|
|
locale = line.strip()
|
|
locale_name = locale.lower().replace('-', '')
|
|
|
|
# C.UTF-8 is the best option, if supported
|
|
if locale_name == 'c.utf8':
|
|
return locale
|
|
|
|
if locale_name.endswith('.utf8'):
|
|
# Make a preference of english locales
|
|
if locale.startswith('en_'):
|
|
usable_locales.insert(0, locale)
|
|
else:
|
|
usable_locales.append(locale)
|
|
|
|
if not usable_locales:
|
|
raise FatalError(
|
|
'Support for Unicode filenames is required, but no suitable UTF-8 locale was found on your system.'
|
|
' Please refer to the manual for your operating system for details on locale reconfiguration.')
|
|
|
|
return usable_locales[0]
|
|
|
|
|
|
if __name__ == '__main__':
|
|
try:
|
|
if 'MSYSTEM' in os.environ:
|
|
print_warning(
|
|
'MSys/Mingw is no longer supported. Please follow the getting started guide of the '
|
|
'documentation in order to set up a suitiable environment, or continue at your own risk.')
|
|
elif os.name == 'posix' and not _valid_unicode_config():
|
|
# Trying to find best utf-8 locale available on the system and restart python with it
|
|
best_locale = _find_usable_locale()
|
|
|
|
print_warning(
|
|
'Your environment is not configured to handle unicode filenames outside of ASCII range.'
|
|
' Environment variable LC_ALL is temporary set to %s for unicode support.' % best_locale)
|
|
|
|
os.environ['LC_ALL'] = best_locale
|
|
ret = subprocess.call([sys.executable] + sys.argv, env=os.environ)
|
|
if ret:
|
|
raise SystemExit(ret)
|
|
|
|
else:
|
|
main()
|
|
|
|
except FatalError as e:
|
|
print(e, file=sys.stderr)
|
|
sys.exit(2)
|