mirror of
https://github.com/espressif/esp-idf.git
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780 lines
33 KiB
Python
Executable File
780 lines
33 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# SPDX-FileCopyrightText: 2019-2023 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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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 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 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)
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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 = os.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 = os.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: # noqa: F821
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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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flash_target = 'flash' if key == 'project' else f'{key}-flash'
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print(f'{os.linesep}{title} build complete. To flash, run:')
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print(f' idf.py {flash_target}')
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if args.port:
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print('or')
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print(f' idf.py -p {args.port} {flash_target}')
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print('or')
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print(f' idf.py -p PORT {flash_target}')
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esptool_cmd = ['python -m esptool',
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'--chip {}'.format(flasher_args['extra_esptool_args']['chip']),
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f'-b {args.baud}',
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'--before {}'.format(flasher_args['extra_esptool_args']['before']),
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'--after {}'.format(flasher_args['extra_esptool_args']['after'])]
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if not flasher_args['extra_esptool_args']['stub']:
|
|
esptool_cmd += ['--no-stub']
|
|
|
|
if args.port:
|
|
esptool_cmd += [f'-p {args.port}']
|
|
|
|
esptool_cmd += ['write_flash']
|
|
|
|
print('or')
|
|
print(' {}'.format(' '.join(esptool_cmd + [cmd.strip()])))
|
|
|
|
if os.path.exists(os.path.join(args.build_dir, 'flash_args')):
|
|
print(f'or from the "{args.build_dir}" directory')
|
|
print(' {}'.format(' '.join(esptool_cmd + ['@flash_args'])))
|
|
|
|
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:
|
|
if hasattr(option, 'envvar') and option.envvar and os.getenv(option.envvar) != default:
|
|
msg = (f'This option cannot be set in command line if the {option.envvar} '
|
|
'environment variable is set to a different value.')
|
|
else:
|
|
msg = 'This option can appear at most once in the command line.'
|
|
|
|
raise FatalError(f'Option "{key}" provided for "{task.name}" is already defined to '
|
|
f'a different value. {msg}')
|
|
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 os.path.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 = [os.path.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 = os.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 main() -> None:
|
|
# 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)
|