music with stepper motors
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# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
#
# 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 json
import math
import os
import platform
import re
import socket
import sys
import time
from contextlib import contextmanager
from functools import wraps
from glob import glob
import click
import requests
from platformio import __apiurl__, __version__, exception
from platformio.commands import PlatformioCLI
from platformio.compat import PY2, WINDOWS
from platformio.fs import cd # pylint: disable=unused-import
from platformio.fs import load_json # pylint: disable=unused-import
from platformio.fs import rmtree as rmtree_ # pylint: disable=unused-import
from platformio.proc import exec_command # pylint: disable=unused-import
from platformio.proc import is_ci # pylint: disable=unused-import
# KEEP unused imports for backward compatibility with PIO Core 3.0 API
class memoized(object):
def __init__(self, expire=0):
expire = str(expire)
if expire.isdigit():
expire = "%ss" % int((int(expire) / 1000))
tdmap = {"s": 1, "m": 60, "h": 3600, "d": 86400}
assert expire.endswith(tuple(tdmap))
self.expire = int(tdmap[expire[-1]] * int(expire[:-1]))
self.cache = {}
def __call__(self, func):
@wraps(func)
def wrapper(*args, **kwargs):
key = str(args) + str(kwargs)
if key not in self.cache or (
self.expire > 0 and self.cache[key][0] < time.time() - self.expire
):
self.cache[key] = (time.time(), func(*args, **kwargs))
return self.cache[key][1]
wrapper.reset = self._reset
return wrapper
def _reset(self):
self.cache.clear()
class throttle(object):
def __init__(self, threshhold):
self.threshhold = threshhold # milliseconds
self.last = 0
def __call__(self, func):
@wraps(func)
def wrapper(*args, **kwargs):
diff = int(round((time.time() - self.last) * 1000))
if diff < self.threshhold:
time.sleep((self.threshhold - diff) * 0.001)
self.last = time.time()
return func(*args, **kwargs)
return wrapper
def singleton(cls):
""" From PEP-318 http://www.python.org/dev/peps/pep-0318/#examples """
_instances = {}
def get_instance(*args, **kwargs):
if cls not in _instances:
_instances[cls] = cls(*args, **kwargs)
return _instances[cls]
return get_instance
@contextmanager
def capture_std_streams(stdout, stderr=None):
_stdout = sys.stdout
_stderr = sys.stderr
sys.stdout = stdout
sys.stderr = stderr or stdout
yield
sys.stdout = _stdout
sys.stderr = _stderr
def get_systype():
type_ = platform.system().lower()
arch = platform.machine().lower()
if type_ == "windows":
arch = "amd64" if platform.architecture()[0] == "64bit" else "x86"
return "%s_%s" % (type_, arch) if arch else type_
def pioversion_to_intstr():
vermatch = re.match(r"^([\d\.]+)", __version__)
assert vermatch
return [int(i) for i in vermatch.group(1).split(".")[:3]]
def change_filemtime(path, mtime):
os.utime(path, (mtime, mtime))
def get_serial_ports(filter_hwid=False):
try:
# pylint: disable=import-outside-toplevel
from serial.tools.list_ports import comports
except ImportError:
raise exception.GetSerialPortsError(os.name)
result = []
for p, d, h in comports():
if not p:
continue
if WINDOWS and PY2:
try:
# pylint: disable=undefined-variable
d = unicode(d, errors="ignore")
except TypeError:
pass
if not filter_hwid or "VID:PID" in h:
result.append({"port": p, "description": d, "hwid": h})
if filter_hwid:
return result
# fix for PySerial
if not result and "darwin" in get_systype():
for p in glob("/dev/tty.*"):
result.append({"port": p, "description": "n/a", "hwid": "n/a"})
return result
# Backward compatibility for PIO Core <3.5
get_serialports = get_serial_ports
def get_logical_devices():
items = []
if WINDOWS:
try:
result = exec_command(
["wmic", "logicaldisk", "get", "name,VolumeName"]
).get("out", "")
devicenamere = re.compile(r"^([A-Z]{1}\:)\s*(\S+)?")
for line in result.split("\n"):
match = devicenamere.match(line.strip())
if not match:
continue
items.append({"path": match.group(1) + "\\", "name": match.group(2)})
return items
except WindowsError: # pylint: disable=undefined-variable
pass
# try "fsutil"
result = exec_command(["fsutil", "fsinfo", "drives"]).get("out", "")
for device in re.findall(r"[A-Z]:\\", result):
items.append({"path": device, "name": None})
return items
result = exec_command(["df"]).get("out")
devicenamere = re.compile(r"^/.+\d+\%\s+([a-z\d\-_/]+)$", flags=re.I)
for line in result.split("\n"):
match = devicenamere.match(line.strip())
if not match:
continue
items.append({"path": match.group(1), "name": os.path.basename(match.group(1))})
return items
def get_mdns_services():
# pylint: disable=import-outside-toplevel
try:
import zeroconf
except ImportError:
from site import addsitedir
from platformio.managers.core import get_core_package_dir
contrib_pysite_dir = get_core_package_dir("contrib-pysite")
addsitedir(contrib_pysite_dir)
sys.path.insert(0, contrib_pysite_dir)
import zeroconf # pylint: disable=import-outside-toplevel
class mDNSListener(object):
def __init__(self):
self._zc = zeroconf.Zeroconf(interfaces=zeroconf.InterfaceChoice.All)
self._found_types = []
self._found_services = []
def __enter__(self):
zeroconf.ServiceBrowser(self._zc, "_services._dns-sd._udp.local.", self)
return self
def __exit__(self, etype, value, traceback):
self._zc.close()
def remove_service(self, zc, type_, name):
pass
def add_service(self, zc, type_, name):
try:
assert zeroconf.service_type_name(name)
assert str(name)
except (AssertionError, UnicodeError, zeroconf.BadTypeInNameException):
return
if name not in self._found_types:
self._found_types.append(name)
zeroconf.ServiceBrowser(self._zc, name, self)
if type_ in self._found_types:
s = zc.get_service_info(type_, name)
if s:
self._found_services.append(s)
def get_services(self):
return self._found_services
items = []
with mDNSListener() as mdns:
time.sleep(3)
for service in mdns.get_services():
properties = None
if service.properties:
try:
properties = {
k.decode("utf8"): v.decode("utf8")
if isinstance(v, bytes)
else v
for k, v in service.properties.items()
}
json.dumps(properties)
except UnicodeDecodeError:
properties = None
items.append(
{
"type": service.type,
"name": service.name,
"ip": ".".join(
[
str(c if isinstance(c, int) else ord(c))
for c in service.address
]
),
"port": service.port,
"properties": properties,
}
)
return items
def get_request_defheaders():
data = (__version__, int(is_ci()), requests.utils.default_user_agent())
return {"User-Agent": "PlatformIO/%s CI/%d %s" % data}
@memoized(expire="60s")
def _api_request_session():
return requests.Session()
@throttle(500)
def _get_api_result(
url, params=None, data=None, auth=None # pylint: disable=too-many-branches
):
from platformio.app import get_setting # pylint: disable=import-outside-toplevel
result = {}
r = None
verify_ssl = sys.version_info >= (2, 7, 9)
headers = get_request_defheaders()
if not url.startswith("http"):
url = __apiurl__ + url
if not get_setting("strict_ssl"):
url = url.replace("https://", "http://")
try:
if data:
r = _api_request_session().post(
url,
params=params,
data=data,
headers=headers,
auth=auth,
verify=verify_ssl,
)
else:
r = _api_request_session().get(
url, params=params, headers=headers, auth=auth, verify=verify_ssl
)
result = r.json()
r.raise_for_status()
return r.text
except requests.exceptions.HTTPError as e:
if result and "message" in result:
raise exception.APIRequestError(result["message"])
if result and "errors" in result:
raise exception.APIRequestError(result["errors"][0]["title"])
raise exception.APIRequestError(e)
except ValueError:
raise exception.APIRequestError("Invalid response: %s" % r.text.encode("utf-8"))
finally:
if r:
r.close()
return None
def get_api_result(url, params=None, data=None, auth=None, cache_valid=None):
from platformio.app import ContentCache # pylint: disable=import-outside-toplevel
total = 0
max_retries = 5
cache_key = (
ContentCache.key_from_args(url, params, data, auth) if cache_valid else None
)
while total < max_retries:
try:
with ContentCache() as cc:
if cache_key:
result = cc.get(cache_key)
if result is not None:
return json.loads(result)
# check internet before and resolve issue with 60 seconds timeout
internet_on(raise_exception=True)
result = _get_api_result(url, params, data)
if cache_valid:
with ContentCache() as cc:
cc.set(cache_key, result, cache_valid)
return json.loads(result)
except (requests.exceptions.ConnectionError, requests.exceptions.Timeout) as e:
total += 1
if not PlatformioCLI.in_silence():
click.secho(
"[API] ConnectionError: {0} (incremented retry: max={1}, "
"total={2})".format(e, max_retries, total),
fg="yellow",
)
time.sleep(2 * total)
raise exception.APIRequestError(
"Could not connect to PlatformIO API Service. Please try later."
)
PING_REMOTE_HOSTS = [
"140.82.118.3", # Github.com
"35.231.145.151", # Gitlab.com
"github.com",
"platformio.org",
]
@memoized(expire="5s")
def _internet_on():
timeout = 2
socket.setdefaulttimeout(timeout)
for host in PING_REMOTE_HOSTS:
try:
if os.getenv("HTTP_PROXY", os.getenv("HTTPS_PROXY")):
requests.get("http://%s" % host, allow_redirects=False, timeout=timeout)
else:
socket.socket(socket.AF_INET, socket.SOCK_STREAM).connect((host, 80))
return True
except: # pylint: disable=bare-except
pass
return False
def internet_on(raise_exception=False):
result = _internet_on()
if raise_exception and not result:
raise exception.InternetIsOffline()
return result
def pepver_to_semver(pepver):
return re.sub(r"(\.\d+)\.?(dev|a|b|rc|post)", r"\1-\2.", pepver, 1)
def items_to_list(items):
if isinstance(items, list):
return items
return [i.strip() for i in items.split(",") if i.strip()]
def items_in_list(needle, haystack):
needle = items_to_list(needle)
haystack = items_to_list(haystack)
if "*" in needle or "*" in haystack:
return True
return set(needle) & set(haystack)
def parse_date(datestr):
if "T" in datestr and "Z" in datestr:
return time.strptime(datestr, "%Y-%m-%dT%H:%M:%SZ")
return time.strptime(datestr)
def merge_dicts(d1, d2, path=None):
if path is None:
path = []
for key in d2:
if key in d1 and isinstance(d1[key], dict) and isinstance(d2[key], dict):
merge_dicts(d1[key], d2[key], path + [str(key)])
else:
d1[key] = d2[key]
return d1
def print_labeled_bar(label, is_error=False, fg=None):
terminal_width, _ = click.get_terminal_size()
width = len(click.unstyle(label))
half_line = "=" * int((terminal_width - width - 2) / 2)
click.secho("%s %s %s" % (half_line, label, half_line), fg=fg, err=is_error)
def humanize_duration_time(duration):
if duration is None:
return duration
duration = duration * 1000
tokens = []
for multiplier in (3600000, 60000, 1000, 1):
fraction = math.floor(duration / multiplier)
tokens.append(int(round(duration) if multiplier == 1 else fraction))
duration -= fraction * multiplier
return "{:02d}:{:02d}:{:02d}.{:03d}".format(*tokens)
def get_original_version(version):
if version.count(".") != 2:
return None
_, raw = version.split(".")[:2]
if int(raw) <= 99:
return None
if int(raw) <= 9999:
return "%s.%s" % (raw[:-2], int(raw[-2:]))
return "%s.%s.%s" % (raw[:-4], int(raw[-4:-2]), int(raw[-2:]))