forked from platformio/platformio-core
404 lines
11 KiB
Python
404 lines
11 KiB
Python
# Copyright (C) Ivan Kravets <me@ikravets.com>
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# See LICENSE for details.
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import collections
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import functools
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import json
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import os
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import re
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import subprocess
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from os.path import (abspath, basename, dirname, expanduser, isdir, isfile,
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join, realpath)
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from platform import system, uname
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from threading import Thread
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import requests
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from platformio import __apiurl__, __version__, exception
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try:
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from configparser import ConfigParser
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except ImportError:
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from ConfigParser import ConfigParser
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class AsyncPipe(Thread):
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def __init__(self, outcallback=None):
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Thread.__init__(self)
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self.outcallback = outcallback
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self._fd_read, self._fd_write = os.pipe()
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self._pipe_reader = os.fdopen(self._fd_read)
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self._buffer = []
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self.start()
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def get_buffer(self):
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return self._buffer
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def fileno(self):
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return self._fd_write
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def run(self):
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for line in iter(self._pipe_reader.readline, ""):
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line = line.strip()
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self._buffer.append(line)
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if self.outcallback:
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self.outcallback(line)
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else:
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print line
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self._pipe_reader.close()
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def close(self):
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os.close(self._fd_write)
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self.join()
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class cd(object):
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def __init__(self, new_path):
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self.new_path = new_path
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self.prev_path = os.getcwd()
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def __enter__(self):
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os.chdir(self.new_path)
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def __exit__(self, etype, value, traceback):
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os.chdir(self.prev_path)
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class memoized(object):
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'''
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Decorator. Caches a function's return value each time it is called.
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If called later with the same arguments, the cached value is returned
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(not reevaluated).
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https://wiki.python.org/moin/PythonDecoratorLibrary#Memoize
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'''
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def __init__(self, func):
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self.func = func
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self.cache = {}
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def __call__(self, *args):
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if not isinstance(args, collections.Hashable):
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# uncacheable. a list, for instance.
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# better to not cache than blow up.
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return self.func(*args)
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if args in self.cache:
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return self.cache[args]
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else:
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value = self.func(*args)
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self.cache[args] = value
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return value
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def __repr__(self):
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'''Return the function's docstring.'''
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return self.func.__doc__
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def __get__(self, obj, objtype):
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'''Support instance methods.'''
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return functools.partial(self.__call__, obj)
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def singleton(cls):
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""" From PEP-318 http://www.python.org/dev/peps/pep-0318/#examples """
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_instances = {}
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def get_instance(*args, **kwargs):
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if cls not in _instances:
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_instances[cls] = cls(*args, **kwargs)
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return _instances[cls]
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return get_instance
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def get_systype():
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data = uname()
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type_ = data[0].lower()
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arch = data[4].lower() if data[4] else ""
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return "%s_%s" % (type_, arch) if arch else type_
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def pioversion_to_intstr():
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vermatch = re.match(r"^([\d\.]+)", __version__)
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assert vermatch
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return [int(i) for i in vermatch.group(1).split(".")[:3]]
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def _get_projconf_option_dir(name, default=None):
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_env_name = "PLATFORMIO_%s" % name.upper()
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if _env_name in os.environ:
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return os.getenv(_env_name)
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try:
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config = get_project_config()
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if (config.has_section("platformio") and
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config.has_option("platformio", name)):
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option_dir = config.get("platformio", name)
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if option_dir.startswith("~"):
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option_dir = expanduser(option_dir)
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return abspath(option_dir)
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except exception.NotPlatformProject:
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pass
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return default
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def get_home_dir():
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home_dir = _get_projconf_option_dir(
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"home_dir",
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join(expanduser("~"), ".platformio")
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)
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if not isdir(home_dir):
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os.makedirs(home_dir)
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assert isdir(home_dir)
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return home_dir
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def get_lib_dir():
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return _get_projconf_option_dir(
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"lib_dir",
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join(get_home_dir(), "lib")
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)
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def get_source_dir():
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return dirname(realpath(__file__))
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def get_project_dir():
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return os.getcwd()
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def get_projectsrc_dir():
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return _get_projconf_option_dir(
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"src_dir",
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join(get_project_dir(), "src")
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)
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def get_projectlib_dir():
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return join(get_project_dir(), "lib")
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def get_pioenvs_dir():
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return _get_projconf_option_dir(
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"envs_dir",
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join(get_project_dir(), ".pioenvs")
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)
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def get_project_config():
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path = join(get_project_dir(), "platformio.ini")
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if not isfile(path):
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raise exception.NotPlatformProject(get_project_dir())
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cp = ConfigParser()
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cp.read(path)
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return cp
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def change_filemtime(path, time):
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os.utime(path, (time, time))
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def is_ci():
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return os.getenv("CI", "").lower() == "true"
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def exec_command(*args, **kwargs):
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result = {
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"out": None,
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"err": None,
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"returncode": None
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}
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default = dict(
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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shell=system() == "Windows"
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)
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default.update(kwargs)
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kwargs = default
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p = subprocess.Popen(*args, **kwargs)
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try:
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result['out'], result['err'] = p.communicate()
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result['returncode'] = p.returncode
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except KeyboardInterrupt:
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raise exception.AbortedByUser()
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finally:
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for s in ("stdout", "stderr"):
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if isinstance(kwargs[s], AsyncPipe):
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kwargs[s].close()
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for s in ("stdout", "stderr"):
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if isinstance(kwargs[s], AsyncPipe):
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result[s[3:]] = "\n".join(kwargs[s].get_buffer())
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for k, v in result.iteritems():
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if v and isinstance(v, basestring):
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result[k].strip()
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return result
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def get_serialports():
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if os.name == "nt":
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from serial.tools.list_ports_windows import comports
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elif os.name == "posix":
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from serial.tools.list_ports_posix import comports
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else:
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raise exception.GetSerialPortsError(os.name)
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return [{"port": p, "description": d, "hwid": h} for p, d, h in comports()]
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def get_logicaldisks():
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disks = []
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if system() == "Windows":
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result = exec_command(
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["wmic", "logicaldisk", "get", "name,VolumeName"]).get("out")
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disknamere = re.compile(r"^([A-Z]{1}\:)\s*(\S+)?")
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for line in result.split("\n"):
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match = disknamere.match(line.strip())
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if not match:
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continue
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disks.append({"disk": match.group(1), "name": match.group(2)})
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else:
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result = exec_command(["df"]).get("out")
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disknamere = re.compile(r"\d+\%\s+([a-z\d\-_/]+)$", flags=re.I)
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for line in result.split("\n"):
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match = disknamere.search(line.strip())
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if not match:
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continue
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disks.append({"disk": match.group(1),
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"name": basename(match.group(1))})
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return disks
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def get_request_defheaders():
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return {"User-Agent": "PlatformIO/%s CI/%d %s" % (
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__version__, int(is_ci()), requests.utils.default_user_agent()
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)}
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def get_api_result(path, params=None, data=None):
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result = None
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r = None
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try:
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if data:
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r = requests.post(__apiurl__ + path, params=params, data=data,
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headers=get_request_defheaders())
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else:
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r = requests.get(__apiurl__ + path, params=params,
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headers=get_request_defheaders())
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result = r.json()
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r.raise_for_status()
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except requests.exceptions.HTTPError as e:
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if result and "errors" in result:
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raise exception.APIRequestError(result['errors'][0]['title'])
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else:
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raise exception.APIRequestError(e)
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except requests.exceptions.ConnectionError:
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raise exception.APIRequestError(
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"Could not connect to PlatformIO Registry Service")
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except ValueError:
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raise exception.APIRequestError(
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"Invalid response: %s" % r.text.encode("utf-8"))
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finally:
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if r:
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r.close()
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return result
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@memoized
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def _lookup_boards():
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boards = {}
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bdirs = [join(get_source_dir(), "boards")]
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if isdir(join(get_home_dir(), "boards")):
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bdirs.append(join(get_home_dir(), "boards"))
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for bdir in bdirs:
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for json_file in sorted(os.listdir(bdir)):
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if not json_file.endswith(".json"):
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continue
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with open(join(bdir, json_file)) as f:
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boards.update(json.load(f))
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return boards
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def get_boards(type_=None):
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boards = _lookup_boards()
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if type_ is None:
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return boards
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else:
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if type_ not in boards:
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raise exception.UnknownBoard(type_)
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return boards[type_]
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@memoized
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def _lookup_frameworks():
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frameworks = {}
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frameworks_path = join(
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get_source_dir(), "builder", "scripts", "frameworks")
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frameworks_list = [f[:-3] for f in os.listdir(frameworks_path)
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if not f.startswith("__") and f.endswith(".py")]
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for _type in frameworks_list:
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script_path = join(frameworks_path, "%s.py" % _type)
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with open(script_path) as f:
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fcontent = f.read()
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assert '"""' in fcontent
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_doc_start = fcontent.index('"""') + 3
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fdoc = fcontent[
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_doc_start:fcontent.index('"""', _doc_start)].strip()
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doclines = [l.strip() for l in fdoc.splitlines() if l.strip()]
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frameworks[_type] = {
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"name": doclines[0],
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"description": " ".join(doclines[1:-1]),
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"url": doclines[-1],
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"script": script_path
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}
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return frameworks
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def get_frameworks(type_=None):
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frameworks = _lookup_frameworks()
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if type_ is None:
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return frameworks
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else:
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if type_ not in frameworks:
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raise exception.UnknownFramework(type_)
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return frameworks[type_]
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return frameworks
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def where_is_program(program, envpath=None):
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env = os.environ
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if envpath:
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env['PATH'] = envpath
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# try OS's built-in commands
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try:
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result = exec_command(
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["where" if "windows" in get_systype() else "which", program],
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env=env
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)
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if result['returncode'] == 0 and isfile(result['out'].strip()):
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return result['out'].strip()
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except OSError:
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pass
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# look up in $PATH
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for bin_dir in env.get("PATH", "").split(os.pathsep):
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if isfile(join(bin_dir, program)):
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return join(bin_dir, program)
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elif isfile(join(bin_dir, "%s.exe" % program)):
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return join(bin_dir, "%s.exe" % program)
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return program
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