esp-idf/tools/idf.py

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#!/usr/bin/env python
#
# 'idf.py' is a top-level config/build command line tool for ESP-IDF
#
# You don't have to use idf.py, you can use cmake directly
# (or use cmake in an IDE)
#
#
#
# Copyright 2019 Espressif Systems (Shanghai) PTE LTD
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# WARNING: we don't check for Python build-time dependencies until
# check_environment() function below. If possible, avoid importing
# any external libraries here - put in external script, or import in
# their specific function instead.
import codecs
import json
import locale
import os
import os.path
import subprocess
import sys
from collections import Counter, OrderedDict
from importlib import import_module
from pkgutil import iter_modules
from idf_py_actions.errors import FatalError
from idf_py_actions.tools import (executable_exists, idf_version, merge_action_lists, realpath)
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# Use this Python interpreter for any subprocesses we launch
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PYTHON = sys.executable
# note: os.environ changes don't automatically propagate to child processes,
# you have to pass env=os.environ explicitly anywhere that we create a process
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os.environ["PYTHON"] = sys.executable
# Name of the program, normally 'idf.py'.
# Can be overridden from idf.bat using IDF_PY_PROGRAM_NAME
PROG = os.getenv("IDF_PY_PROGRAM_NAME", sys.argv[0])
def check_environment():
"""
Verify the environment contains the top-level tools we need to operate
(cmake will check a lot of other things)
"""
checks_output = []
if not executable_exists(["cmake", "--version"]):
print_idf_version()
raise FatalError("'cmake' must be available on the PATH to use %s" % PROG)
# verify that IDF_PATH env variable is set
# find the directory idf.py is in, then the parent directory of this, and assume this is IDF_PATH
detected_idf_path = realpath(os.path.join(os.path.dirname(__file__), ".."))
if "IDF_PATH" in os.environ:
set_idf_path = realpath(os.environ["IDF_PATH"])
if set_idf_path != detected_idf_path:
print(
"WARNING: IDF_PATH environment variable is set to %s but %s path indicates IDF directory %s. "
"Using the environment variable directory, but results may be unexpected..." %
(set_idf_path, PROG, detected_idf_path))
else:
print("Setting IDF_PATH environment variable: %s" % detected_idf_path)
os.environ["IDF_PATH"] = detected_idf_path
# check Python dependencies
checks_output.append("Checking Python dependencies...")
try:
out = subprocess.check_output(
[
os.environ["PYTHON"],
os.path.join(os.environ["IDF_PATH"], "tools", "check_python_dependencies.py"),
],
env=os.environ,
)
checks_output.append(out.decode('utf-8', 'ignore').strip())
except subprocess.CalledProcessError as e:
print(e.output.decode('utf-8', 'ignore'))
print_idf_version()
raise SystemExit(1)
return checks_output
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def _safe_relpath(path, start=None):
""" Return a relative path, same as os.path.relpath, but only if this is possible.
It is not possible on Windows, if the start directory and the path are on different drives.
"""
try:
return os.path.relpath(path, os.curdir if start is None else start)
except ValueError:
return os.path.abspath(path)
def print_idf_version():
version = idf_version()
if version:
print("ESP-IDF %s" % version)
else:
print("ESP-IDF version unknown")
class PropertyDict(dict):
def __getattr__(self, name):
if name in self:
return self[name]
else:
raise AttributeError("'PropertyDict' object has no attribute '%s'" % name)
def __setattr__(self, name, value):
self[name] = value
def __delattr__(self, name):
if name in self:
del self[name]
else:
raise AttributeError("'PropertyDict' object has no attribute '%s'" % name)
def init_cli(verbose_output=None):
# Click is imported here to run it after check_environment()
import click
class Deprecation(object):
"""Construct deprecation notice for help messages"""
def __init__(self, deprecated=False):
self.deprecated = deprecated
self.since = None
self.removed = None
self.exit_with_error = None
self.custom_message = ""
if isinstance(deprecated, dict):
self.custom_message = deprecated.get("message", "")
self.since = deprecated.get("since", None)
self.removed = deprecated.get("removed", None)
self.exit_with_error = deprecated.get("exit_with_error", None)
elif isinstance(deprecated, str):
self.custom_message = deprecated
def full_message(self, type="Option"):
if self.exit_with_error:
return "%s is deprecated %sand was removed%s.%s" % (
type,
"since %s " % self.since if self.since else "",
" in %s" % self.removed if self.removed else "",
" %s" % self.custom_message if self.custom_message else "",
)
else:
return "%s is deprecated %sand will be removed in%s.%s" % (
type,
"since %s " % self.since if self.since else "",
" %s" % self.removed if self.removed else " future versions",
" %s" % self.custom_message if self.custom_message else "",
)
def help(self, text, type="Option", separator=" "):
text = text or ""
return self.full_message(type) + separator + text if self.deprecated else text
def short_help(self, text):
text = text or ""
return ("Deprecated! " + text) if self.deprecated else text
def check_deprecation(ctx):
"""Prints deprectation warnings for arguments in given context"""
for option in ctx.command.params:
default = () if option.multiple else option.default
if isinstance(option, Option) and option.deprecated and ctx.params[option.name] != default:
deprecation = Deprecation(option.deprecated)
if deprecation.exit_with_error:
raise FatalError("Error: %s" % deprecation.full_message('Option "%s"' % option.name))
else:
print("Warning: %s" % deprecation.full_message('Option "%s"' % option.name))
class Task(object):
def __init__(self, callback, name, aliases, dependencies, order_dependencies, action_args):
self.callback = callback
self.name = name
self.dependencies = dependencies
self.order_dependencies = order_dependencies
self.action_args = action_args
self.aliases = aliases
def __call__(self, context, global_args, action_args=None):
if action_args is None:
action_args = self.action_args
self.callback(self.name, context, global_args, **action_args)
class Action(click.Command):
def __init__(
self,
name=None,
aliases=None,
deprecated=False,
dependencies=None,
order_dependencies=None,
hidden=False,
**kwargs):
super(Action, self).__init__(name, **kwargs)
self.name = self.name or self.callback.__name__
self.deprecated = deprecated
self.hidden = hidden
if aliases is None:
aliases = []
self.aliases = aliases
self.help = self.help or self.callback.__doc__
if self.help is None:
self.help = ""
if dependencies is None:
dependencies = []
if order_dependencies is None:
order_dependencies = []
# Show first line of help if short help is missing
self.short_help = self.short_help or self.help.split("\n")[0]
if deprecated:
deprecation = Deprecation(deprecated)
self.short_help = deprecation.short_help(self.short_help)
self.help = deprecation.help(self.help, type="Command", separator="\n")
# Add aliases to help string
if aliases:
aliases_help = "Aliases: %s." % ", ".join(aliases)
self.help = "\n".join([self.help, aliases_help])
self.short_help = " ".join([aliases_help, self.short_help])
self.unwrapped_callback = self.callback
if self.callback is not None:
def wrapped_callback(**action_args):
return Task(
callback=self.unwrapped_callback,
name=self.name,
dependencies=dependencies,
order_dependencies=order_dependencies,
action_args=action_args,
aliases=self.aliases,
)
self.callback = wrapped_callback
def invoke(self, ctx):
if self.deprecated:
deprecation = Deprecation(self.deprecated)
message = deprecation.full_message('Command "%s"' % self.name)
if deprecation.exit_with_error:
raise FatalError("Error: %s" % message)
else:
print("Warning: %s" % message)
self.deprecated = False # disable Click's built-in deprecation handling
# Print warnings for options
check_deprecation(ctx)
return super(Action, self).invoke(ctx)
class Argument(click.Argument):
"""
Positional argument
names - alias of 'param_decls'
"""
def __init__(self, **kwargs):
names = kwargs.pop("names")
super(Argument, self).__init__(names, **kwargs)
class Scope(object):
"""
Scope for sub-command option.
possible values:
- default - only available on defined level (global/action)
- global - When defined for action, also available as global
- shared - Opposite to 'global': when defined in global scope, also available for all actions
"""
SCOPES = ("default", "global", "shared")
def __init__(self, scope=None):
if scope is None:
self._scope = "default"
elif isinstance(scope, str) and scope in self.SCOPES:
self._scope = scope
elif isinstance(scope, Scope):
self._scope = str(scope)
else:
raise FatalError("Unknown scope for option: %s" % scope)
@property
def is_global(self):
return self._scope == "global"
@property
def is_shared(self):
return self._scope == "shared"
def __str__(self):
return self._scope
class Option(click.Option):
"""Option that knows whether it should be global"""
def __init__(self, scope=None, deprecated=False, hidden=False, **kwargs):
"""
Keyword arguments additional to Click's Option class:
names - alias of 'param_decls'
deprecated - marks option as deprecated. May be boolean, string (with custom deprecation message)
or dict with optional keys:
since: version of deprecation
removed: version when option will be removed
custom_message: Additional text to deprecation warning
"""
kwargs["param_decls"] = kwargs.pop("names")
super(Option, self).__init__(**kwargs)
self.deprecated = deprecated
self.scope = Scope(scope)
self.hidden = hidden
if deprecated:
deprecation = Deprecation(deprecated)
self.help = deprecation.help(self.help)
if self.scope.is_global:
self.help += " This option can be used at most once either globally, or for one subcommand."
def get_help_record(self, ctx):
# Backport "hidden" parameter to click 5.0
if self.hidden:
return
return super(Option, self).get_help_record(ctx)
class CLI(click.MultiCommand):
"""Action list contains all actions with options available for CLI"""
def __init__(self, all_actions=None, verbose_output=None, help=None):
super(CLI, self).__init__(
chain=True,
invoke_without_command=True,
result_callback=self.execute_tasks,
context_settings={"max_content_width": 140},
help=help,
)
self._actions = {}
self.global_action_callbacks = []
self.commands_with_aliases = {}
if verbose_output is None:
verbose_output = []
self.verbose_output = verbose_output
if all_actions is None:
all_actions = {}
shared_options = []
# Global options
for option_args in all_actions.get("global_options", []):
option = Option(**option_args)
self.params.append(option)
if option.scope.is_shared:
shared_options.append(option)
# Global options validators
self.global_action_callbacks = all_actions.get("global_action_callbacks", [])
# Actions
for name, action in all_actions.get("actions", {}).items():
arguments = action.pop("arguments", [])
options = action.pop("options", [])
if arguments is None:
arguments = []
if options is None:
options = []
self._actions[name] = Action(name=name, **action)
for alias in [name] + action.get("aliases", []):
self.commands_with_aliases[alias] = name
for argument_args in arguments:
self._actions[name].params.append(Argument(**argument_args))
# Add all shared options
for option in shared_options:
self._actions[name].params.append(option)
for option_args in options:
option = Option(**option_args)
if option.scope.is_shared:
raise FatalError(
'"%s" is defined for action "%s". '
' "shared" options can be declared only on global level' % (option.name, name))
# Promote options to global if see for the first time
if option.scope.is_global and option.name not in [o.name for o in self.params]:
self.params.append(option)
self._actions[name].params.append(option)
def list_commands(self, ctx):
return sorted(filter(lambda name: not self._actions[name].hidden, self._actions))
def get_command(self, ctx, name):
if name in self.commands_with_aliases:
return self._actions.get(self.commands_with_aliases.get(name))
# Trying fallback to build target (from "all" action) if command is not known
else:
return Action(name=name, callback=self._actions.get('fallback').unwrapped_callback)
def _print_closing_message(self, args, actions):
# print a closing message of some kind
#
if "flash" in str(actions) or "dfu" in str(actions):
print("Done")
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return
if not os.path.exists(os.path.join(args.build_dir, "flasher_args.json")):
print("Done")
return
# Otherwise, if we built any binaries print a message about
# how to flash them
def print_flashing_message(title, key):
print("\n%s build complete. To flash, run this command:" % title)
with open(os.path.join(args.build_dir, "flasher_args.json")) as f:
flasher_args = json.load(f)
def flasher_path(f):
return _safe_relpath(os.path.join(args.build_dir, f))
if key != "project": # flashing a single item
cmd = ""
if (key == "bootloader"): # bootloader needs --flash-mode, etc to be passed in
cmd = " ".join(flasher_args["write_flash_args"]) + " "
cmd += flasher_args[key]["offset"] + " "
cmd += flasher_path(flasher_args[key]["file"])
else: # flashing the whole project
cmd = " ".join(flasher_args["write_flash_args"]) + " "
flash_items = sorted(
((o, f) for (o, f) in flasher_args["flash_files"].items() if len(o) > 0),
key=lambda x: int(x[0], 0),
)
for o, f in flash_items:
cmd += o + " " + flasher_path(f) + " "
print(
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"%s %s -p %s -b %s --before %s --after %s --chip %s %s write_flash %s" % (
PYTHON,
_safe_relpath("%s/components/esptool_py/esptool/esptool.py" % os.environ["IDF_PATH"]),
args.port or "(PORT)",
args.baud,
flasher_args["extra_esptool_args"]["before"],
flasher_args["extra_esptool_args"]["after"],
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flasher_args["extra_esptool_args"]["chip"],
"--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, **kwargs):
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: 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 occurence will be executed.")
# Set propagated global options.
# These options may be set on one subcommand, but available in the list of global arguments
for task in tasks:
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)
# Always show help when command is not provided
if not tasks:
print(ctx.get_help())
ctx.exit()
# Build full list of tasks to and deal with dependencies and order dependencies
tasks_to_run = 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 alread 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)
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())
def parse_project_dir(project_dir):
return realpath(project_dir)
project_dir = parse_project_dir(standalone_mode=False)
all_actions = {}
# 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: Directroy 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[name] = import_module(name)
# Load component manager if available and not explicitly disabled
if os.getenv('IDF_COMPONENT_MANAGER', None) != '0':
try:
from idf_component_manager import idf_extensions
extensions['component_manager_ext'] = idf_extensions
os.environ['IDF_COMPONENT_MANAGER'] = '1'
except ImportError:
pass
for name, extension in extensions.items():
try:
all_actions = merge_action_lists(all_actions, extension.action_extensions(all_actions, project_dir))
except AttributeError:
print('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("Error importing extension file idf_ext.py. Skipping.")
print("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
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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.")
return CLI(help=cli_help, verbose_output=verbose_output, all_actions=all_actions)
def main():
checks_output = check_environment()
cli = init_cli(verbose_output=checks_output)
cli(sys.argv[1:], prog_name=PROG)
def _valid_unicode_config():
# 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():
try:
locales = subprocess.Popen(["locale", "-a"], stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()[0]
except OSError:
locales = ""
if isinstance(locales, bytes):
locales = locales.decode("ascii", "replace")
usable_locales = []
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]
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if __name__ == "__main__":
try:
# On MSYS2 we need to run idf.py with "winpty" in order to be able to cancel the subprocesses properly on
# keyboard interrupt (CTRL+C).
# Using an own global variable for indicating that we are running with "winpty" seems to be the most suitable
# option as os.environment['_'] contains "winpty" only when it is run manually from console.
WINPTY_VAR = "WINPTY"
WINPTY_EXE = "winpty"
if ("MSYSTEM" in os.environ) and (not os.environ.get("_", "").endswith(WINPTY_EXE)
and WINPTY_VAR not in os.environ):
if 'menuconfig' in sys.argv:
# don't use winpty for menuconfig because it will print weird characters
main()
else:
os.environ[WINPTY_VAR] = "1" # the value is of no interest to us
# idf.py calls itself with "winpty" and WINPTY global variable set
ret = subprocess.call([WINPTY_EXE, sys.executable] + sys.argv, env=os.environ)
if ret:
raise SystemExit(ret)
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(
"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)
sys.exit(2)