luftdaten-tool/luftdaten-tool.py

341 lines
11 KiB
Python

# -* encoding: utf-8 *-
import sys
import os.path
import time
import tempfile
import hashlib
import zlib
import logging
import requests
from esptool import ESPLoader
import luftdatentool
from luftdatentool.qtvariant import QtGui, QtCore, QtWidgets
from luftdatentool.utils import QuickThread
from luftdatentool.workers import PortDetectThread, FirmwareListThread, \
ZeroconfDiscoveryThread
from gui import mainwindow
from luftdatentool.consts import UPDATE_REPOSITORY, ALLOWED_PROTO, \
PREFERED_PORTS, ROLE_DEVICE, DRIVERS_URL
if getattr(sys, 'frozen', False):
RESOURCES_PATH = sys._MEIPASS
else:
RESOURCES_PATH = os.path.dirname(os.path.realpath(__file__))
class MainWindow(QtWidgets.QMainWindow, mainwindow.Ui_MainWindow):
uploadProgress = QtCore.Signal([str, int])
errorSignal = QtCore.Signal([str])
uploadThread = None
zeroconf_discovery = None
boards_detected = False
def __init__(self, parent=None, app=None):
super(MainWindow, self).__init__(parent)
self.setWindowFlags(QtCore.Qt.Dialog)
# FIXME: dirty hack to solve relative paths in *.ui
oldcwd = os.getcwd()
os.chdir(os.path.join(RESOURCES_PATH, 'assets'))
self.setupUi(self)
os.chdir(oldcwd)
self.app = app
self.translator = QtCore.QTranslator()
self.i18n_init(QtCore.QLocale.system())
self.statusbar.showMessage(self.tr("Loading firmware list..."))
self.versionBox.clear()
self.firmware_list = FirmwareListThread()
self.firmware_list.listLoaded.connect(self.populate_versions)
self.firmware_list.error.connect(self.on_work_error)
self.firmware_list.start()
self.port_detect = PortDetectThread()
self.port_detect.portsUpdate.connect(self.populate_boards)
self.port_detect.error.connect(self.on_work_error)
self.port_detect.start()
self.discovery_start()
self.globalMessage.hide()
# Hide WIP GUI parts...
self.on_expertModeBox_clicked()
self.expertModeBox.hide()
self.tabWidget.removeTab(self.tabWidget.indexOf(self.serialTab))
self.uploadProgress.connect(self.on_work_update)
self.errorSignal.connect(self.on_work_error)
self.cachedir = tempfile.TemporaryDirectory()
def show_global_message(self, title, message):
self.globalMessage.show()
self.globalMessageTitle.setText(title)
self.globalMessageText.setText(message)
def on_work_update(self, status, progress):
self.statusbar.showMessage(status)
self.progressBar.setValue(progress)
def on_work_error(self, message):
self.statusbar.showMessage(message)
@property
def version(self):
return luftdatentool.__version__
@property
def build_id(self):
try:
from luftdatentool._buildid import commit, builddate
except ImportError:
import datetime
commit = 'devel'
builddate = datetime.datetime.now().strftime('%Y%m%d')
return '{}-{}/{}'.format(self.version, commit, builddate)
def i18n_init(self, locale):
"""Initializes i18n to specified QLocale"""
self.app.removeTranslator(self.translator)
lang = QtCore.QLocale.languageToString(locale.language())
self.translator.load(os.path.join(
RESOURCES_PATH, 'i18n', lang + '.qm'))
self.app.installTranslator(self.translator)
self.retranslateUi(self)
def retranslateUi(self, win):
super(MainWindow, self).retranslateUi(win)
win.setWindowTitle(win.windowTitle().format(
version=self.version))
win.buildLabel.setText(win.buildLabel.text().format(
build_id=self.build_id))
def populate_versions(self, files):
"""Loads available firmware versions into versionbox widget"""
for fname in files:
if not fname.endswith('.bin'):
continue
item = QtGui.QStandardItem(fname)
item.setData(UPDATE_REPOSITORY + fname, ROLE_DEVICE)
self.versionBox.model().appendRow(item)
self.statusbar.clearMessage()
def populate_boards(self, ports):
"""Populates board selection combobox from list of pyserial
ListPortInfo objects"""
self.boardBox.clear()
prefered, others = self.group_ports(ports)
for b in prefered:
item = QtGui.QStandardItem(
'{0.description} ({0.device})'.format(b))
item.setData(b.device, ROLE_DEVICE)
self.boardBox.model().appendRow(item)
if not prefered:
sep = QtGui.QStandardItem(self.tr('No boards found'))
sep.setEnabled(False)
self.boardBox.model().appendRow(sep)
# No prefered boards has been found so far and there is a
# suggested driver download URL available
if not self.boards_detected and DRIVERS_URL:
self.show_global_message(
self.tr('No boards found'),
self.tr('Have you installed <a href="{drivers_url}">'
'the drivers</a>?').format(drivers_url=DRIVERS_URL))
else:
self.globalMessage.hide()
self.boards_detected = True
if others:
sep = QtGui.QStandardItem(self.tr('Others...'))
sep.setEnabled(False)
self.boardBox.model().appendRow(sep)
for b in others:
item = QtGui.QStandardItem(
'{0.description} ({0.device})'.format(b))
item.setData(b.device, ROLE_DEVICE)
self.boardBox.model().appendRow(item)
def group_ports(self, ports):
prefered = []
others = []
for p in ports:
if (p.vid, p.pid) in PREFERED_PORTS:
prefered.append(p)
else:
others.append(p)
return prefered, others
@QtCore.Slot()
def on_uploadButton_clicked(self):
self.statusbar.clearMessage()
device = self.boardBox.currentData(ROLE_DEVICE)
version = self.versionBox.currentText()
if not device:
self.statusbar.showMessage(self.tr("No device selected."))
return
if not version:
self.statusbar.showMessage(self.tr("No version selected."))
return
sel = self.versionBox.model().item(
self.versionBox.currentIndex())
if sel:
orig_version = sel.text()
else:
orig_version = ''
if version == orig_version:
# Editable combobox has been unchanged
binary_uri = self.versionBox.currentData(ROLE_DEVICE)
elif version.startswith(ALLOWED_PROTO):
# User has provided a download URL
binary_uri = version
elif os.path.exists(version):
binary_uri = version
else:
self.statusbar.showMessage(self.tr(
"Invalid version / file does not exist"))
return
if self.flash_board.running():
self.statusbar.showMessage(self.tr("Work in progess..."))
return
self.flash_board(self.uploadProgress, device, binary_uri,
error=self.errorSignal)
def cache_download(self, progress, binary_uri):
"""Downloads and caches file with status reports via Qt Signals"""
cache_fname = os.path.join(
self.cachedir.name,
hashlib.sha256(binary_uri.encode('utf-8')).hexdigest())
if os.path.exists(cache_fname):
return cache_fname
with open(cache_fname, 'wb') as fd:
progress.emit(self.tr('Downloading...'), 0)
response = requests.get(binary_uri, stream=True)
total_length = response.headers.get('content-length')
dl = 0
total_length = int(total_length or 0)
for data in response.iter_content(chunk_size=4096):
dl += len(data)
fd.write(data)
if total_length:
progress.emit(self.tr('Downloading...'),
(100*dl) // total_length)
return cache_fname
@QuickThread.wrap
def flash_board(self, progress, device, binary_uri, baudrate=460800):
if binary_uri.startswith(ALLOWED_PROTO):
binary_uri = self.cache_download(progress, binary_uri)
progress.emit(self.tr('Connecting...'), 0)
init_baud = min(ESPLoader.ESP_ROM_BAUD, baudrate)
esp = ESPLoader.detect_chip(device, init_baud, 'default_reset', False)
progress.emit(self.tr('Connected. Chip type: {chip_type}').format(
chip_type=esp.get_chip_description()), 0)
esp = esp.run_stub()
esp.change_baud(baudrate)
with open(binary_uri, 'rb') as fd:
uncimage = fd.read()
image = zlib.compress(uncimage, 9)
address = 0x0
blocks = esp.flash_defl_begin(len(uncimage), len(image), address)
seq = 0
written = 0
t = time.time()
while len(image) > 0:
current_addr = address + seq * esp.FLASH_WRITE_SIZE
progress.emit(self.tr('Writing at 0x{address:08x}...').format(
address=current_addr),
100 * (seq + 1) // blocks)
block = image[0:esp.FLASH_WRITE_SIZE]
esp.flash_defl_block(block, seq, timeout=3.0)
image = image[esp.FLASH_WRITE_SIZE:]
seq += 1
written += len(block)
t = time.time() - t
progress.emit(self.tr(
'Finished in {time:.2f} seconds. Sensor ID: {sensor_id}').format(
time=t, sensor_id=esp.chip_id()), 100)
@QtCore.Slot()
def on_expertModeBox_clicked(self):
self.expertForm.setVisible(self.expertModeBox.checkState())
#self.centralwidget.setFixedHeight(
# self.centralwidget.sizeHint().height())
#self.setFixedHeight(self.sizeHint().height())
# Zeroconf page
def discovery_start(self):
if self.zeroconf_discovery:
self.zeroconf_discovery.stop()
self.zeroconf_discovery = ZeroconfDiscoveryThread()
self.zeroconf_discovery.deviceDiscovered.connect(
self.on_zeroconf_discovered)
self.zeroconf_discovery.start()
def on_zeroconf_discovered(self, name, address, info):
"""Called on every zeroconf discovered device"""
if name.startswith('Feinstaubsensor'):
item = QtWidgets.QListWidgetItem('{}: {}'.format(address, name.split('.')[0]))
item.setData(ROLE_DEVICE, 'http://{}:{}'.format(address, info.port))
self.discoveryList.addItem(item)
@QtCore.Slot(QtWidgets.QListWidgetItem)
def on_discoveryList_itemDoubleClicked(self, index):
QtGui.QDesktopServices.openUrl(QtCore.QUrl(index.data(ROLE_DEVICE)))
@QtCore.Slot()
def on_discoveryRefreshButton_clicked(self):
self.discoveryList.clear()
self.discovery_start()
if __name__ == "__main__":
logging.basicConfig(level=logging.INFO)
app = QtWidgets.QApplication(sys.argv)
window = MainWindow(app=app)
window.show()
sys.exit(app.exec_())