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idf_tools.py
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idf_tools.py
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#!/usr/bin/env python
# coding=utf-8
#
# This script helps installing tools required to use the ESP-IDF, and updating PATH
# to use the installed tools. It can also create a Python virtual environment,
# and install Python requirements into it.
# It does not install OS dependencies. It does install tools such as the Xtensa
# GCC toolchain and ESP32 ULP coprocessor toolchain.
#
# By default, downloaded tools will be installed under $HOME/.espressif directory
# (%USERPROFILE%/.espressif on Windows). This path can be modified by setting
# IDF_TOOLS_PATH variable prior to running this tool.
#
# Users do not need to interact with this script directly. In IDF root directory,
# install.sh (.bat) and export.sh (.bat) scripts are provided to invoke this script.
#
# Usage:
#
# * To install the tools, run `idf_tools.py install`.
#
# * To install the Python environment, run `idf_tools.py install-python-env`.
#
# * To start using the tools, run `eval "$(idf_tools.py export)"` — this will update
# the PATH to point to the installed tools and set up other environment variables
# needed by the tools.
#
###
#
# 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.
import argparse
import contextlib
import copy
import errno
import functools
import hashlib
import json
import os
import platform
import re
import shutil
import ssl
import subprocess
import sys
import tarfile
import zipfile
from collections import OrderedDict, namedtuple
try:
import typing # noqa: F401
except ImportError:
pass
try:
from urllib.error import ContentTooShortError
from urllib.request import urlopen
except ImportError:
from urllib import ContentTooShortError, urlopen
try:
from exceptions import WindowsError
except ImportError:
class WindowsError(OSError):
pass
TOOLS_FILE = 'tools/tools.json'
TOOLS_SCHEMA_FILE = 'tools/tools_schema.json'
TOOLS_FILE_NEW = 'tools/tools.new.json'
TOOLS_FILE_VERSION = 1
IDF_TOOLS_PATH_DEFAULT = os.path.join('~', '.espressif')
UNKNOWN_VERSION = 'unknown'
SUBST_TOOL_PATH_REGEX = re.compile(r'\${TOOL_PATH}')
VERSION_REGEX_REPLACE_DEFAULT = r'\1'
IDF_MAINTAINER = os.environ.get('IDF_MAINTAINER') or False
TODO_MESSAGE = 'TODO'
DOWNLOAD_RETRY_COUNT = 3
URL_PREFIX_MAP_SEPARATOR = ','
IDF_TOOLS_INSTALL_CMD = os.environ.get('IDF_TOOLS_INSTALL_CMD')
IDF_TOOLS_EXPORT_CMD = os.environ.get('IDF_TOOLS_INSTALL_CMD')
PYTHON_PLATFORM = platform.system() + '-' + platform.machine()
# Identifiers used in tools.json for different platforms.
PLATFORM_WIN32 = 'win32'
PLATFORM_WIN64 = 'win64'
PLATFORM_MACOS = 'macos'
PLATFORM_LINUX32 = 'linux-i686'
PLATFORM_LINUX64 = 'linux-amd64'
PLATFORM_LINUX_ARM32 = 'linux-armel'
PLATFORM_LINUX_ARM64 = 'linux-arm64'
# Mappings from various other names these platforms are known as, to the identifiers above.
# This includes strings produced from "platform.system() + '-' + platform.machine()", see PYTHON_PLATFORM
# definition above.
# This list also includes various strings used in release archives of xtensa-esp32-elf-gcc, OpenOCD, etc.
PLATFORM_FROM_NAME = {
# Windows
PLATFORM_WIN32: PLATFORM_WIN32,
'Windows-i686': PLATFORM_WIN32,
'Windows-x86': PLATFORM_WIN32,
PLATFORM_WIN64: PLATFORM_WIN64,
'Windows-x86_64': PLATFORM_WIN64,
'Windows-AMD64': PLATFORM_WIN64,
# macOS
PLATFORM_MACOS: PLATFORM_MACOS,
'osx': PLATFORM_MACOS,
'darwin': PLATFORM_MACOS,
'Darwin-x86_64': PLATFORM_MACOS,
# pretend it is x86_64 until Darwin-arm64 tool builds are available:
'Darwin-arm64': PLATFORM_MACOS,
# Linux
PLATFORM_LINUX64: PLATFORM_LINUX64,
'linux64': PLATFORM_LINUX64,
'Linux-x86_64': PLATFORM_LINUX64,
PLATFORM_LINUX32: PLATFORM_LINUX32,
'linux32': PLATFORM_LINUX32,
'Linux-i686': PLATFORM_LINUX32,
PLATFORM_LINUX_ARM32: PLATFORM_LINUX_ARM32,
'Linux-arm': PLATFORM_LINUX_ARM32,
'Linux-armv7l': PLATFORM_LINUX_ARM32,
PLATFORM_LINUX_ARM64: PLATFORM_LINUX_ARM64,
'Linux-arm64': PLATFORM_LINUX_ARM64,
'Linux-aarch64': PLATFORM_LINUX_ARM64,
'Linux-armv8l': PLATFORM_LINUX_ARM64,
}
UNKNOWN_PLATFORM = 'unknown'
CURRENT_PLATFORM = PLATFORM_FROM_NAME.get(PYTHON_PLATFORM, UNKNOWN_PLATFORM)
EXPORT_SHELL = 'shell'
EXPORT_KEY_VALUE = 'key-value'
ISRG_X1_ROOT_CERT = u"""
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----
"""
global_quiet = False
global_non_interactive = False
global_idf_path = None # type: typing.Optional[str]
global_idf_tools_path = None # type: typing.Optional[str]
global_tools_json = None # type: typing.Optional[str]
def fatal(text, *args):
if not global_quiet:
sys.stderr.write('ERROR: ' + text + '\n', *args)
def warn(text, *args):
if not global_quiet:
sys.stderr.write('WARNING: ' + text + '\n', *args)
def info(text, f=None, *args):
if not global_quiet:
if f is None:
f = sys.stdout
f.write(text + '\n', *args)
def run_cmd_check_output(cmd, input_text=None, extra_paths=None):
# If extra_paths is given, locate the executable in one of these directories.
# Note: it would seem logical to add extra_paths to env[PATH], instead, and let OS do the job of finding the
# executable for us. However this does not work on Windows: https://bugs.python.org/issue8557.
if extra_paths:
found = False
extensions = ['']
if sys.platform == 'win32':
extensions.append('.exe')
for path in extra_paths:
for ext in extensions:
fullpath = os.path.join(path, cmd[0] + ext)
if os.path.exists(fullpath):
cmd[0] = fullpath
found = True
break
if found:
break
try:
if input_text:
input_text = input_text.encode()
result = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, check=True, input=input_text)
return result.stdout + result.stderr
except (AttributeError, TypeError):
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = p.communicate(input_text)
if p.returncode != 0:
try:
raise subprocess.CalledProcessError(p.returncode, cmd, stdout, stderr)
except TypeError:
raise subprocess.CalledProcessError(p.returncode, cmd, stdout)
return stdout + stderr
def to_shell_specific_paths(paths_list):
if sys.platform == 'win32':
paths_list = [p.replace('/', os.path.sep) if os.path.sep in p else p for p in paths_list]
if 'MSYSTEM' in os.environ:
paths_msys = run_cmd_check_output(['cygpath', '-u', '-f', '-'],
input_text='\n'.join(paths_list))
paths_list = paths_msys.decode().strip().split('\n')
return paths_list
def get_env_for_extra_paths(extra_paths):
"""
Return a copy of environment variables dict, prepending paths listed in extra_paths
to the PATH environment variable.
"""
env_arg = os.environ.copy()
new_path = os.pathsep.join(extra_paths) + os.pathsep + env_arg['PATH']
if sys.version_info.major == 2:
env_arg['PATH'] = new_path.encode('utf8')
else:
env_arg['PATH'] = new_path
return env_arg
def get_file_size_sha256(filename, block_size=65536):
sha256 = hashlib.sha256()
size = 0
with open(filename, 'rb') as f:
for block in iter(lambda: f.read(block_size), b''):
sha256.update(block)
size += len(block)
return size, sha256.hexdigest()
def report_progress(count, block_size, total_size):
percent = int(count * block_size * 100 / total_size)
percent = min(100, percent)
sys.stdout.write('\r%d%%' % percent)
sys.stdout.flush()
def mkdir_p(path):
try:
os.makedirs(path)
except OSError as exc:
if exc.errno != errno.EEXIST or not os.path.isdir(path):
raise
def unpack(filename, destination):
info('Extracting {0} to {1}'.format(filename, destination))
if filename.endswith(('.tar.gz', '.tgz')):
archive_obj = tarfile.open(filename, 'r:gz')
elif filename.endswith('zip'):
archive_obj = zipfile.ZipFile(filename)
else:
raise NotImplementedError('Unsupported archive type')
if sys.version_info.major == 2:
# This is a workaround for the issue that unicode destination is not handled:
# https://bugs.python.org/issue17153
destination = str(destination)
archive_obj.extractall(destination)
def splittype(url):
match = re.match('([^/:]+):(.*)', url, re.DOTALL)
if match:
scheme, data = match.groups()
return scheme.lower(), data
return None, url
# An alternative version of urlretrieve which takes SSL context as an argument
def urlretrieve_ctx(url, filename, reporthook=None, data=None, context=None):
url_type, path = splittype(url)
# urlopen doesn't have context argument in Python <=2.7.9
extra_urlopen_args = {}
if context:
extra_urlopen_args['context'] = context
with contextlib.closing(urlopen(url, data, **extra_urlopen_args)) as fp:
headers = fp.info()
# Just return the local path and the "headers" for file://
# URLs. No sense in performing a copy unless requested.
if url_type == 'file' and not filename:
return os.path.normpath(path), headers
# Handle temporary file setup.
tfp = open(filename, 'wb')
with tfp:
result = filename, headers
bs = 1024 * 8
size = int(headers.get('content-length', -1))
read = 0
blocknum = 0
if reporthook:
reporthook(blocknum, bs, size)
while True:
block = fp.read(bs)
if not block:
break
read += len(block)
tfp.write(block)
blocknum += 1
if reporthook:
reporthook(blocknum, bs, size)
if size >= 0 and read < size:
raise ContentTooShortError(
'retrieval incomplete: got only %i out of %i bytes'
% (read, size), result)
return result
# Sometimes renaming a directory on Windows (randomly?) causes a PermissionError.
# This is confirmed to be a workaround:
# https://github.com/espressif/esp-idf/issues/3819#issuecomment-515167118
# https://github.com/espressif/esp-idf/issues/4063#issuecomment-531490140
# https://stackoverflow.com/a/43046729
def rename_with_retry(path_from, path_to):
if sys.platform.startswith('win'):
retry_count = 100
else:
retry_count = 1
for retry in range(retry_count):
try:
os.rename(path_from, path_to)
return
except (OSError, WindowsError): # WindowsError until Python 3.3, then OSError
if retry == retry_count - 1:
raise
warn('Rename {} to {} failed, retrying...'.format(path_from, path_to))
def strip_container_dirs(path, levels):
assert levels > 0
# move the original directory out of the way (add a .tmp suffix)
tmp_path = path + '.tmp'
if os.path.exists(tmp_path):
shutil.rmtree(tmp_path)
rename_with_retry(path, tmp_path)
os.mkdir(path)
base_path = tmp_path
# walk given number of levels down
for level in range(levels):
contents = os.listdir(base_path)
if len(contents) > 1:
raise RuntimeError('at level {}, expected 1 entry, got {}'.format(level, contents))
base_path = os.path.join(base_path, contents[0])
if not os.path.isdir(base_path):
raise RuntimeError('at level {}, {} is not a directory'.format(level, contents[0]))
# get the list of directories/files to move
contents = os.listdir(base_path)
for name in contents:
move_from = os.path.join(base_path, name)
move_to = os.path.join(path, name)
rename_with_retry(move_from, move_to)
shutil.rmtree(tmp_path)
class ToolNotFound(RuntimeError):
pass
class ToolExecError(RuntimeError):
pass
class DownloadError(RuntimeError):
pass
class IDFToolDownload(object):
def __init__(self, platform_name, url, size, sha256):
self.platform_name = platform_name
self.url = url
self.size = size
self.sha256 = sha256
self.platform_name = platform_name
@functools.total_ordering
class IDFToolVersion(object):
STATUS_RECOMMENDED = 'recommended'
STATUS_SUPPORTED = 'supported'
STATUS_DEPRECATED = 'deprecated'
STATUS_VALUES = [STATUS_RECOMMENDED, STATUS_SUPPORTED, STATUS_DEPRECATED]
def __init__(self, version, status):
self.version = version
self.status = status
self.downloads = OrderedDict()
self.latest = False
def __lt__(self, other):
if self.status != other.status:
return self.status > other.status
else:
assert not (self.status == IDFToolVersion.STATUS_RECOMMENDED
and other.status == IDFToolVersion.STATUS_RECOMMENDED)
return self.version < other.version
def __eq__(self, other):
return self.status == other.status and self.version == other.version
def add_download(self, platform_name, url, size, sha256):
self.downloads[platform_name] = IDFToolDownload(platform_name, url, size, sha256)
def get_download_for_platform(self, platform_name): # type: (str) -> IDFToolDownload
if platform_name in PLATFORM_FROM_NAME.keys():
platform_name = PLATFORM_FROM_NAME[platform_name]
if platform_name in self.downloads.keys():
return self.downloads[platform_name]
if 'any' in self.downloads.keys():
return self.downloads['any']
return None
def compatible_with_platform(self, platform_name=PYTHON_PLATFORM):
return self.get_download_for_platform(platform_name) is not None
def get_supported_platforms(self): # type: () -> typing.Set[str]
return set(self.downloads.keys())
OPTIONS_LIST = ['version_cmd',
'version_regex',
'version_regex_replace',
'export_paths',
'export_vars',
'install',
'info_url',
'license',
'strip_container_dirs']
IDFToolOptions = namedtuple('IDFToolOptions', OPTIONS_LIST)
class IDFTool(object):
# possible values of 'install' field
INSTALL_ALWAYS = 'always'
INSTALL_ON_REQUEST = 'on_request'
INSTALL_NEVER = 'never'
def __init__(self, name, description, install, info_url, license, version_cmd, version_regex, version_regex_replace=None,
strip_container_dirs=0):
self.name = name
self.description = description
self.versions = OrderedDict() # type: typing.Dict[str, IDFToolVersion]
self.version_in_path = None
self.versions_installed = []
if version_regex_replace is None:
version_regex_replace = VERSION_REGEX_REPLACE_DEFAULT
self.options = IDFToolOptions(version_cmd, version_regex, version_regex_replace,
[], OrderedDict(), install, info_url, license, strip_container_dirs)
self.platform_overrides = []
self._platform = CURRENT_PLATFORM
self._update_current_options()
def copy_for_platform(self, platform): # type: (str) -> IDFTool
result = copy.deepcopy(self)
result._platform = platform
result._update_current_options()
return result
def _update_current_options(self):
self._current_options = IDFToolOptions(*self.options)
for override in self.platform_overrides:
if self._platform not in override['platforms']:
continue
override_dict = override.copy()
del override_dict['platforms']
self._current_options = self._current_options._replace(**override_dict)
def add_version(self, version):
assert(type(version) is IDFToolVersion)
self.versions[version.version] = version
def get_path(self): # type: () -> str
return os.path.join(global_idf_tools_path, 'tools', self.name)
def get_path_for_version(self, version): # type: (str) -> str
assert(version in self.versions)
return os.path.join(self.get_path(), version)
def get_export_paths(self, version): # type: (str) -> typing.List[str]
tool_path = self.get_path_for_version(version)
return [os.path.join(tool_path, *p) for p in self._current_options.export_paths]
def get_export_vars(self, version): # type: (str) -> typing.Dict[str]
"""
Get the dictionary of environment variables to be exported, for the given version.
Expands:
- ${TOOL_PATH} => the actual path where the version is installed
"""
result = {}
for k, v in self._current_options.export_vars.items():
replace_path = self.get_path_for_version(version).replace('\\', '\\\\')
v_repl = re.sub(SUBST_TOOL_PATH_REGEX, replace_path, v)
if v_repl != v:
v_repl = to_shell_specific_paths([v_repl])[0]
result[k] = v_repl
return result
def check_version(self, extra_paths=None): # type: (typing.Optional[typing.List[str]]) -> str
"""
Execute the tool, optionally prepending extra_paths to PATH,
extract the version string and return it as a result.
Raises ToolNotFound if the tool is not found (not present in the paths).
Raises ToolExecError if the tool returns with a non-zero exit code.
Returns 'unknown' if tool returns something from which version string
can not be extracted.
"""
# this function can not be called for a different platform
assert self._platform == CURRENT_PLATFORM
cmd = self._current_options.version_cmd
try:
version_cmd_result = run_cmd_check_output(cmd, None, extra_paths)
except OSError:
# tool is not on the path
raise ToolNotFound('Tool {} not found'.format(self.name))
except subprocess.CalledProcessError as e:
raise ToolExecError('Command {} has returned non-zero exit code ({})\n'.format(
' '.join(self._current_options.version_cmd), e.returncode))
in_str = version_cmd_result.decode('utf-8')
match = re.search(self._current_options.version_regex, in_str)
if not match:
return UNKNOWN_VERSION
return re.sub(self._current_options.version_regex, self._current_options.version_regex_replace, match.group(0))
def get_install_type(self):
return self._current_options.install
def compatible_with_platform(self):
return any([v.compatible_with_platform() for v in self.versions.values()])
def get_supported_platforms(self): # type: () -> typing.Set[str]
result = set()
for v in self.versions.values():
result.update(v.get_supported_platforms())
return result
def get_recommended_version(self):
recommended_versions = [k for k, v in self.versions.items()
if v.status == IDFToolVersion.STATUS_RECOMMENDED
and v.compatible_with_platform(self._platform)]
assert len(recommended_versions) <= 1
if recommended_versions:
return recommended_versions[0]
return None
def get_preferred_installed_version(self):
recommended_versions = [k for k in self.versions_installed
if self.versions[k].status == IDFToolVersion.STATUS_RECOMMENDED
and self.versions[k].compatible_with_platform(self._platform)]
assert len(recommended_versions) <= 1
if recommended_versions:
return recommended_versions[0]
return None
def find_installed_versions(self):
"""
Checks whether the tool can be found in PATH and in global_idf_tools_path.
Writes results to self.version_in_path and self.versions_installed.
"""
# this function can not be called for a different platform
assert self._platform == CURRENT_PLATFORM
# First check if the tool is in system PATH
try:
ver_str = self.check_version()
except ToolNotFound:
# not in PATH
pass
except ToolExecError:
warn('tool {} found in path, but failed to run'.format(self.name))
else:
self.version_in_path = ver_str
# Now check all the versions installed in global_idf_tools_path
self.versions_installed = []
for version, version_obj in self.versions.items():
if not version_obj.compatible_with_platform():
continue
tool_path = self.get_path_for_version(version)
if not os.path.exists(tool_path):
# version not installed
continue
try:
ver_str = self.check_version(self.get_export_paths(version))
except ToolNotFound:
warn('directory for tool {} version {} is present, but tool was not found'.format(
self.name, version))
except ToolExecError:
warn('tool {} version {} is installed, but the tool failed to run'.format(
self.name, version))
else:
if ver_str != version:
warn('tool {} version {} is installed, but has reported version {}'.format(
self.name, version, ver_str))
else:
self.versions_installed.append(version)
def download(self, version):
assert(version in self.versions)
download_obj = self.versions[version].get_download_for_platform(self._platform)
if not download_obj:
fatal('No packages for tool {} platform {}!'.format(self.name, self._platform))
raise DownloadError()
url = download_obj.url
archive_name = os.path.basename(url)
local_path = os.path.join(global_idf_tools_path, 'dist', archive_name)
mkdir_p(os.path.dirname(local_path))
if os.path.isfile(local_path):
if not self.check_download_file(download_obj, local_path):
warn('removing downloaded file {0} and downloading again'.format(archive_name))
os.unlink(local_path)
else:
info('file {0} is already downloaded'.format(archive_name))
return
downloaded = False
for retry in range(DOWNLOAD_RETRY_COUNT):
local_temp_path = local_path + '.tmp'
info('Downloading {} to {}'.format(archive_name, local_temp_path))
try:
ctx = None
# For dl.espressif.com, add the ISRG x1 root certificate.
# This works around the issue with outdated certificate stores in some installations.
if 'dl.espressif.com' in url:
try:
ctx = ssl.create_default_context()
ctx.load_verify_locations(cadata=ISRG_X1_ROOT_CERT)
except AttributeError:
# no ssl.create_default_context or load_verify_locations cadata argument
# in Python <=2.7.8
pass
urlretrieve_ctx(url, local_temp_path, report_progress if not global_non_interactive else None, context=ctx)
sys.stdout.write('\rDone\n')
except Exception as e:
# urlretrieve could throw different exceptions, e.g. IOError when the server is down
# Errors are ignored because the downloaded file is checked a couple of lines later.
warn('Download failure {}'.format(e))
sys.stdout.flush()
if not os.path.isfile(local_temp_path) or not self.check_download_file(download_obj, local_temp_path):
warn('Failed to download {} to {}'.format(url, local_temp_path))
continue
rename_with_retry(local_temp_path, local_path)
downloaded = True
break
if not downloaded:
fatal('Failed to download, and retry count has expired')
raise DownloadError()
def install(self, version):
# Currently this is called after calling 'download' method, so here are a few asserts
# for the conditions which should be true once that method is done.
assert (version in self.versions)
download_obj = self.versions[version].get_download_for_platform(self._platform)
assert (download_obj is not None)
archive_name = os.path.basename(download_obj.url)
archive_path = os.path.join(global_idf_tools_path, 'dist', archive_name)
assert (os.path.isfile(archive_path))
dest_dir = self.get_path_for_version(version)
if os.path.exists(dest_dir):
warn('destination path already exists, removing')
shutil.rmtree(dest_dir)
mkdir_p(dest_dir)
unpack(archive_path, dest_dir)
if self._current_options.strip_container_dirs:
strip_container_dirs(dest_dir, self._current_options.strip_container_dirs)
@staticmethod
def check_download_file(download_obj, local_path):
expected_sha256 = download_obj.sha256
expected_size = download_obj.size
file_size, file_sha256 = get_file_size_sha256(local_path)
if file_size != expected_size:
warn('file size mismatch for {}, expected {}, got {}'.format(local_path, expected_size, file_size))
return False
if file_sha256 != expected_sha256:
warn('hash mismatch for {}, expected {}, got {}'.format(local_path, expected_sha256, file_sha256))
return False
return True
@classmethod
def from_json(cls, tool_dict):
# json.load will return 'str' types in Python 3 and 'unicode' in Python 2
expected_str_type = type(u'')
# Validate json fields
tool_name = tool_dict.get('name')
if type(tool_name) is not expected_str_type:
raise RuntimeError('tool_name is not a string')
description = tool_dict.get('description')
if type(description) is not expected_str_type:
raise RuntimeError('description is not a string')
version_cmd = tool_dict.get('version_cmd')
if type(version_cmd) is not list:
raise RuntimeError('version_cmd for tool %s is not a list of strings' % tool_name)
version_regex = tool_dict.get('version_regex')
if type(version_regex) is not expected_str_type or not version_regex:
raise RuntimeError('version_regex for tool %s is not a non-empty string' % tool_name)
version_regex_replace = tool_dict.get('version_regex_replace')
if version_regex_replace and type(version_regex_replace) is not expected_str_type:
raise RuntimeError('version_regex_replace for tool %s is not a string' % tool_name)
export_paths = tool_dict.get('export_paths')
if type(export_paths) is not list:
raise RuntimeError('export_paths for tool %s is not a list' % tool_name)
export_vars = tool_dict.get('export_vars', {})
if type(export_vars) is not dict:
raise RuntimeError('export_vars for tool %s is not a mapping' % tool_name)
versions = tool_dict.get('versions')
if type(versions) is not list:
raise RuntimeError('versions for tool %s is not an array' % tool_name)
install = tool_dict.get('install', False)
if type(install) is not expected_str_type:
raise RuntimeError('install for tool %s is not a string' % tool_name)
info_url = tool_dict.get('info_url', False)
if type(info_url) is not expected_str_type:
raise RuntimeError('info_url for tool %s is not a string' % tool_name)
license = tool_dict.get('license', False)
if type(license) is not expected_str_type:
raise RuntimeError('license for tool %s is not a string' % tool_name)
strip_container_dirs = tool_dict.get('strip_container_dirs', 0)
if strip_container_dirs and type(strip_container_dirs) is not int:
raise RuntimeError('strip_container_dirs for tool %s is not an int' % tool_name)
overrides_list = tool_dict.get('platform_overrides', [])
if type(overrides_list) is not list:
raise RuntimeError('platform_overrides for tool %s is not a list' % tool_name)
# Create the object
tool_obj = cls(tool_name, description, install, info_url, license,
version_cmd, version_regex, version_regex_replace,
strip_container_dirs)
for path in export_paths:
tool_obj.options.export_paths.append(path)
for name, value in export_vars.items():
tool_obj.options.export_vars[name] = value
for index, override in enumerate(overrides_list):
platforms_list = override.get('platforms')
if type(platforms_list) is not list:
raise RuntimeError('platforms for override %d of tool %s is not a list' % (index, tool_name))
install = override.get('install')
if install is not None and type(install) is not expected_str_type:
raise RuntimeError('install for override %d of tool %s is not a string' % (index, tool_name))
version_cmd = override.get('version_cmd')
if version_cmd is not None and type(version_cmd) is not list:
raise RuntimeError('version_cmd for override %d of tool %s is not a list of strings' %
(index, tool_name))
version_regex = override.get('version_regex')
if version_regex is not None and (type(version_regex) is not expected_str_type or not version_regex):
raise RuntimeError('version_regex for override %d of tool %s is not a non-empty string' %
(index, tool_name))
version_regex_replace = override.get('version_regex_replace')
if version_regex_replace is not None and type(version_regex_replace) is not expected_str_type:
raise RuntimeError('version_regex_replace for override %d of tool %s is not a string' %
(index, tool_name))
export_paths = override.get('export_paths')
if export_paths is not None and type(export_paths) is not list:
raise RuntimeError('export_paths for override %d of tool %s is not a list' % (index, tool_name))
export_vars = override.get('export_vars')
if export_vars is not None and type(export_vars) is not dict:
raise RuntimeError('export_vars for override %d of tool %s is not a mapping' % (index, tool_name))
tool_obj.platform_overrides.append(override)
recommended_versions = {}
for version_dict in versions:
version = version_dict.get('name')
if type(version) is not expected_str_type:
raise RuntimeError('version name for tool {} is not a string'.format(tool_name))
version_status = version_dict.get('status')
if type(version_status) is not expected_str_type and version_status not in IDFToolVersion.STATUS_VALUES:
raise RuntimeError('tool {} version {} status is not one of {}', tool_name, version,
IDFToolVersion.STATUS_VALUES)
version_obj = IDFToolVersion(version, version_status)
for platform_id, platform_dict in version_dict.items():
if platform_id in ['name', 'status']:
continue
if platform_id not in PLATFORM_FROM_NAME.keys():
raise RuntimeError('invalid platform %s for tool %s version %s' %
(platform_id, tool_name, version))
version_obj.add_download(platform_id,
platform_dict['url'], platform_dict['size'], platform_dict['sha256'])
if version_status == IDFToolVersion.STATUS_RECOMMENDED:
if platform_id not in recommended_versions:
recommended_versions[platform_id] = []
recommended_versions[platform_id].append(version)
tool_obj.add_version(version_obj)
for platform_id, version_list in recommended_versions.items():
if len(version_list) > 1:
raise RuntimeError('tool {} for platform {} has {} recommended versions'.format(
tool_name, platform_id, len(recommended_versions)))
if install != IDFTool.INSTALL_NEVER and len(recommended_versions) == 0:
raise RuntimeError('required/optional tool {} for platform {} has no recommended versions'.format(
tool_name, platform_id))
tool_obj._update_current_options()
return tool_obj
def to_json(self):
versions_array = []
for version, version_obj in self.versions.items():
version_json = {
'name': version,
'status': version_obj.status
}
for platform_id, download in version_obj.downloads.items():
version_json[platform_id] = {
'url': download.url,
'size': download.size,
'sha256': download.sha256
}
versions_array.append(version_json)
overrides_array = self.platform_overrides
tool_json = {
'name': self.name,
'description': self.description,
'export_paths': self.options.export_paths,
'export_vars': self.options.export_vars,
'install': self.options.install,
'info_url': self.options.info_url,
'license': self.options.license,
'version_cmd': self.options.version_cmd,
'version_regex': self.options.version_regex,
'versions': versions_array,
}
if self.options.version_regex_replace != VERSION_REGEX_REPLACE_DEFAULT:
tool_json['version_regex_replace'] = self.options.version_regex_replace
if overrides_array:
tool_json['platform_overrides'] = overrides_array
if self.options.strip_container_dirs:
tool_json['strip_container_dirs'] = self.options.strip_container_dirs
return tool_json
def load_tools_info(): # type: () -> typing.Dict[str, IDFTool]
"""
Load tools metadata from tools.json, return a dictionary: tool name - tool info
"""
tool_versions_file_name = global_tools_json
with open(tool_versions_file_name, 'r') as f:
tools_info = json.load(f)
return parse_tools_info_json(tools_info)
def parse_tools_info_json(tools_info):
"""
Parse and validate the dictionary obtained by loading the tools.json file.
Returns a dictionary of tools (key: tool name, value: IDFTool object).
"""
if tools_info['version'] != TOOLS_FILE_VERSION:
raise RuntimeError('Invalid version')
tools_dict = OrderedDict()
tools_array = tools_info.get('tools')
if type(tools_array) is not list:
raise RuntimeError('tools property is missing or not an array')
for tool_dict in tools_array:
tool = IDFTool.from_json(tool_dict)
tools_dict[tool.name] = tool
return tools_dict
def dump_tools_json(tools_info):
tools_array = []
for tool_name, tool_obj in tools_info.items():
tool_json = tool_obj.to_json()
tools_array.append(tool_json)
file_json = {'version': TOOLS_FILE_VERSION, 'tools': tools_array}
return json.dumps(file_json, indent=2, separators=(',', ': '), sort_keys=True)
def get_python_env_path():
python_ver_major_minor = '{}.{}'.format(sys.version_info.major, sys.version_info.minor)
version_file_path = os.path.join(global_idf_path, 'version.txt')
if os.path.exists(version_file_path):
with open(version_file_path, 'r') as version_file:
idf_version_str = version_file.read()
else:
try:
idf_version_str = subprocess.check_output(['git', 'describe'],
cwd=global_idf_path, env=os.environ).decode()
except subprocess.CalledProcessError as e:
warn('Git describe was unsuccessul: {}'.format(e))
idf_version_str = ''
match = re.match(r'^v([0-9]+\.[0-9]+).*', idf_version_str)
if match:
idf_version = match.group(1)
else:
idf_version = None
# fallback when IDF is a shallow clone
try:
with open(os.path.join(global_idf_path, 'components', 'esp_common', 'include', 'esp_idf_version.h')) as f:
m = re.search(r'^#define\s+ESP_IDF_VERSION_MAJOR\s+(\d+).+?^#define\s+ESP_IDF_VERSION_MINOR\s+(\d+)',
f.read(), re.DOTALL | re.MULTILINE)
if m:
idf_version = '.'.join((m.group(1), m.group(2)))
else:
warn('Reading IDF version from C header file failed!')
except Exception as e:
warn('Is it not possible to determine the IDF version: {}'.format(e))
if idf_version is None:
fatal('IDF version cannot be determined')
raise SystemExit(1)
idf_python_env_path = os.path.join(global_idf_tools_path, 'python_env',
'idf{}_py{}_env'.format(idf_version, python_ver_major_minor))
if sys.platform == 'win32':
subdir = 'Scripts'
python_exe = 'python.exe'
else:
subdir = 'bin'
python_exe = 'python'