class Web2PyQt5(QWidget, Ui_Form):
"""
Class documentation goes here.
"""
def __init__(self, parent=None):
"""
Constructor
@param parent reference to the parent widget
@type QWidget
"""
super(Web2PyQt5, self).__init__(parent)
self.setupUi(self)
self.initUi()
def initUi(self):
self.splitter.setStretchFactor(0, 1)
self.splitter.setStretchFactor(1, 7)
self.setWindowFlags(Qt.WindowCloseButtonHint)
vLayout = QVBoxLayout()
vLayout.setContentsMargins(0, 0, -1, -1)
url = QUrl(QFileInfo("./webchannel.html").absoluteFilePath())
self.view = QWebEngineView(self.widget)
vLayout.addWidget(self.view)
self.widget.setLayout(vLayout)
self.view.load(url)
@pyqtSlot()
def on_pb_submit_clicked(self):
"""
Slot documentation goes here.
"""
if self.lineEdit_username.text() == "":
QMessageBox.warning(self, "警告", "用户名没有输入")
self.lineEdit_username.setFocus()
elif self.lineEdit_pwd.text() == "":
QMessageBox.warning(self, "警告", "密码没有输入")
self.lineEdit_pwd.setFocus()
else:
name = self.lineEdit_username.text()
pwd = self.lineEdit_pwd.text()
jscode = "PyQt52WebValue('{}','{}');".format(name, pwd)
self.view.page().runJavaScript(jscode)
@pyqtSlot()
def on_pb_reset_clicked(self):
"""
PyQt5的输入栏内容清空
"""
self.lineEdit_username.setText("")
self.lineEdit_pwd.setText("")
def setLineEdit(self, list):
self.lineEdit_username.setText(list[0])
self.lineEdit_pwd.setText(list[1])
def __del__(self):
self.view.deleteLater()
class Web2PyQt5(QWidget, Ui_Form):
"""
Web像PyQt5传值
"""
def __init__(self, parent=None):
"""
一些初始设置
"""
super(Web2PyQt5, self).__init__(parent)
self.setupUi(self)
self.initUi()
def initUi(self):
"""
界面初始设置
"""
self.splitter.setStretchFactor(0, 1)
self.splitter.setStretchFactor(1, 7)
# QSplitter的窗口伸缩因子
self.setWindowFlags(Qt.WindowCloseButtonHint)
# 只有关闭按钮
vLayout = QVBoxLayout()
vLayout.setContentsMargins(0, 0, -1, -1)
url = QUrl(QFileInfo("./webchannel.html").absoluteFilePath())
# 绝对路径
self.view = QWebEngineView(self.widget)
vLayout.addWidget(self.view)
self.widget.setLayout(vLayout)
self.view.load(url)
# 读取并载入webchannel.html
@pyqtSlot()
def on_pb_submit_clicked(self):
"""
用户名和密码提交
"""
if self.lineEdit_username.text() == "":
QMessageBox.warning(self, "警告", "用户名没有输入")
self.lineEdit_username.setFocus()
elif self.lineEdit_pwd.text() == "":
QMessageBox.warning(self, "警告", "密码没有输入")
self.lineEdit_pwd.setFocus()
else:
name = self.lineEdit_username.text()
pwd = self.lineEdit_pwd.text()
jscode = "PyQt52WebValue('{}','{}');".format(name, pwd)
self.view.page().runJavaScript(jscode)
# 运行javascript代码
@pyqtSlot()
def on_pb_reset_clicked(self):
"""
PyQt5的输入栏内容清空--重置
"""
self.lineEdit_username.setText("")
self.lineEdit_pwd.setText("")
def setLineEdit(self, list):
'''
根据交互值设置用户名和密码
'''
self.lineEdit_username.setText(list[0])
self.lineEdit_pwd.setText(list[1])
def __del__(self):
'''
删除相关对象
'''
self.view.deleteLater()
class ChromiumBrowserTab(BrowserTab):
def __init__(self, render_options, verbosity):
super().__init__(render_options, verbosity)
self.profile = QWebEngineProfile() # don't share cookies
self.web_page = ChromiumWebPage(self.profile)
self.web_view = QWebEngineView()
self.web_view.setPage(self.web_page)
self.web_view.setAttribute(Qt.WA_DeleteOnClose, True)
# TODO: is it ok? :)
# self.web_view.setAttribute(Qt.WA_DontShowOnScreen, True)
# FIXME: required for screenshots?
# Also, without .show() in JS window.innerWidth/innerHeight are zeros
self.web_view.show()
self._setup_webpage_events()
self._set_default_webpage_options()
self._html_d = None
# ensure that default window size is not 640x480.
self.set_viewport(defaults.VIEWPORT_SIZE)
def _setup_webpage_events(self):
self._load_finished = WrappedSignal(self.web_view.loadFinished)
self._render_terminated = WrappedSignal(self.web_view.renderProcessTerminated)
self.web_view.renderProcessTerminated.connect(self._on_render_terminated)
self.web_view.loadFinished.connect(self._on_load_finished)
# main_frame.urlChanged.connect(self._on_url_changed)
# main_frame.javaScriptWindowObjectCleared.connect(
# self._on_javascript_window_object_cleared)
# self.logger.add_web_page(self.web_page)
def _set_default_webpage_options(self):
""" Set QWebPage options. TODO: allow to customize defaults. """
settings = self.web_page.settings()
settings.setAttribute(QWebEngineSettings.ScreenCaptureEnabled, True)
settings.setAttribute(QWebEngineSettings.JavascriptCanOpenWindows, False)
settings.setAttribute(QWebEngineSettings.LocalContentCanAccessRemoteUrls, True)
# TODO: requires Qt 5.10
# settings.setAttribute(QWebEngineSettings.ShowScrollBars, False)
# TODO
# if self.visible:
# settings.setAttribute(QWebSettings.DeveloperExtrasEnabled, True)
# TODO: options
# self.set_js_enabled(True)
# self.set_plugins_enabled(defaults.PLUGINS_ENABLED)
# self.set_request_body_enabled(defaults.REQUEST_BODY_ENABLED)
# self.set_response_body_enabled(defaults.RESPONSE_BODY_ENABLED)
# self.set_indexeddb_enabled(defaults.INDEXEDDB_ENABLED)
# self.set_webgl_enabled(defaults.WEBGL_ENABLED)
# self.set_html5_media_enabled(defaults.HTML5_MEDIA_ENABLED)
# self.set_media_source_enabled(defaults.MEDIA_SOURCE_ENABLED)
def go(self, url, callback, errback):
callback_id = self._load_finished.connect(
self._on_content_ready,
callback=callback,
errback=errback,
)
self.logger.log("callback %s is connected to loadFinished" % callback_id, min_level=3)
self.web_view.load(QUrl(url))
@skip_if_closing
def _on_content_ready(self, ok, callback, errback, callback_id):
"""
This method is called when a QWebEnginePage finishes loading.
"""
self.logger.log("loadFinished: disconnecting callback %s" % callback_id,
min_level=3)
self._load_finished.disconnect(callback_id)
if ok:
callback()
else:
error_info = RenderErrorInfo(
type='Unknown',
code=0,
text="loadFinished ok=False",
url=self.web_view.url().toString()
)
errback(error_info)
def _on_load_finished(self, ok):
self.logger.log("loadFinished, ok=%s" % ok, min_level=2)
def _on_render_terminated(self, status, code):
status_details = RenderProcessTerminationStatus.get(status, 'unknown')
self.logger.log("renderProcessTerminated: %s (%s), exit_code=%s" % (
status, status_details, code), min_level=1)
def html(self):
""" Return HTML of the current main frame """
self.logger.log("getting HTML", min_level=2)
if self._html_d is not None:
self.logger.log("HTML is already requested", min_level=1)
return self._html_d
self._html_d = defer.Deferred()
self.web_view.page().toHtml(self._on_html_ready)
return self._html_d
def _on_html_ready(self, html):
self.logger.log("HTML ready", min_level=2)
self._html_d.callback(html)
self._html_d = None
def png(self, width=None, height=None, b64=False, render_all=False,
scale_method=None, region=None):
""" Return screenshot in PNG format """
# FIXME: move to base class
self.logger.log(
"Getting PNG: width=%s, height=%s, "
"render_all=%s, scale_method=%s, region=%s" %
(width, height, render_all, scale_method, region), min_level=2)
if render_all:
raise ValueError("render_all=True is not supported yet")
image = self._get_image('PNG', width, height, render_all,
scale_method, region=region)
result = image.to_png()
if b64:
result = base64.b64encode(result).decode('utf-8')
# self.store_har_timing("_onPngRendered")
return result
def jpeg(self, width=None, height=None, b64=False, render_all=False,
scale_method=None, quality=None, region=None):
""" Return screenshot in JPEG format. """
# FIXME: move to base class
self.logger.log(
"Getting JPEG: width=%s, height=%s, "
"render_all=%s, scale_method=%s, quality=%s, region=%s" %
(width, height, render_all, scale_method, quality, region),
min_level=2)
if render_all:
raise ValueError("render_all=True is not supported yet")
image = self._get_image('JPEG', width, height, render_all,
scale_method, region=region)
result = image.to_jpeg(quality=quality)
if b64:
result = base64.b64encode(result).decode('utf-8')
# self.store_har_timing("_onJpegRendered")
return result
def _get_image(self, image_format, width, height, render_all,
scale_method, region):
renderer = QtChromiumScreenshotRenderer(
self.web_page, self.logger, image_format,
width=width, height=height, scale_method=scale_method,
region=region)
return renderer.render_qwebpage()
def set_viewport(self, size, raise_if_empty=False):
"""
Set viewport size.
If size is "full" viewport size is detected automatically.
If can also be "<width>x<height>".
FIXME: Currently the implementation just resizes the window, which
causes Splash to crash on large sizes(?).
Actully it is not changing the viewport.
XXX: As an effect, this function changes window.outerWidth/outerHeight,
while in Webkit implementation window.innerWidth/innerHeight
is changed.
"""
if size == 'full':
size = self.web_page.contentsSize()
self.logger.log("Contents size: %s" % size, min_level=2)
if size.isEmpty():
if raise_if_empty:
raise RuntimeError("Cannot detect viewport size")
else:
size = defaults.VIEWPORT_SIZE
self.logger.log("Viewport is empty, falling back to: %s" %
size)
if not isinstance(size, (QSize, QSizeF)):
validate_size_str(size)
size = parse_size(size)
w, h = int(size.width()), int(size.height())
# XXX: it was crashing with large windows, but then the problem
# seemed to go away. Need to keep an eye on it.
# # FIXME: don't resize the window?
# # FIXME: figure out exact limits
# MAX_WIDTH = 1280
# MAX_HEIGHT = 1920
#
# if w > MAX_WIDTH:
# raise RuntimeError("Width {} > {} is currently prohibited".format(
# w, MAX_WIDTH
# ))
#
# if h > MAX_HEIGHT:
# raise RuntimeError("Height {} > {} is currently prohibited".format(
# h, MAX_HEIGHT
# ))
self.web_view.resize(w, h)
# self._force_relayout()
self.logger.log("viewport size is set to %sx%s" % (w, h), min_level=2)
self.logger.log("real viewport size: %s" % self.web_view.size(), min_level=2)
return w, h
def stop_loading(self):
self.logger.log("stop_loading", min_level=2)
self.web_view.stop()
@skip_if_closing
def close(self):
""" Destroy this tab """
super().close()
self.web_view.stop()
self.web_view.close()
self.web_page.deleteLater()
self.web_view.deleteLater()
class PiChart(QWidget, Ui_Form):
"""
饼图演示
"""
def __init__(self, parent=None):
"""
一些初始设置
"""
super(PiChart, self).__init__(parent)
self.setupUi(self)
self.initUi()
def initUi(self):
"""
一些界面配置
"""
self.setWindowFlags(Qt.WindowCloseButtonHint)
# 窗口上只有关闭按钮
self.splitter.setOpaqueResize(False)
# QSplitter调整大小不透明，默认是True
self.splitter.setStretchFactor(0, 1)
self.splitter.setStretchFactor(1, 9)
# 按照窗口索引(0，1)分别增加1、9个伸缩因子
self.view = QWebEngineView(self.widget)
vv = QVBoxLayout()
vv.addWidget(self.view)
self.widget.setLayout(vv)
with codecs.open("pie-simple.html", "r", "utf-8") as f:
html = f.read()
# 读取html文件
self.view.setHtml(html)
# Web视图的内容设置为指定的html内容；无法显示大于2 MB的内容，切记！！！
self.time = QTimer()
def showPi(self):
"""
显示饼形图
"""
food = self.spinBox_food.value()
rent = self.spinBox_rent.value()
electricity = self.spinBox_electricity.value()
traffic = self.spinBox_traffic.value()
relationship = self.spinBox_relationship.value()
taobao = self.spinBox_taobao.value()
# 将微调框的数值赋值给变量
jscode = "showPiChart({}, {}, {}, {}, {}, {});".format(food, traffic, relationship, rent, electricity, taobao)
self.view.page().runJavaScript(jscode)
# 加载运行JavaScript
def autoShow(self):
"""
自动演示
"""
self.spinBox_food.setValue(random.randint(100, 10000))
self.spinBox_rent.setValue(random.randint(100, 10000))
self.spinBox_electricity.setValue(random.randint(100, 1000))
self.spinBox_traffic.setValue(random.randint(100, 2000))
self.spinBox_relationship.setValue(random.randint(100, 3000))
self.spinBox_taobao.setValue(random.randint(100, 10000))
# 数值随机生成
@pyqtSlot(bool)
def on_checkBox_toggled(self, flag):
"""
复选框选中时触发
"""
if flag:
self.time.start(1000)
self.time.timeout.connect(self.autoShow)
# 选中开始计时
else:
self.time.stop()
# 未选中停止计时
@pyqtSlot(int)
def on_spinBox_food_valueChanged(self, n):
"""
伙食消费微调框数值改变时触发
"""
self.showPi()
@pyqtSlot(int)
def on_spinBox_rent_valueChanged(self):
"""
房租微调框数值改变时触发
"""
self.showPi()
@pyqtSlot(int)
def on_spinBox_electricity_valueChanged(self):
"""
水电气微调框数值改变时触发
"""
self.showPi()
@pyqtSlot(int)
def on_spinBox_traffic_valueChanged(self):
"""
交通微调框数值改变时触发
"""
self.showPi()
@pyqtSlot(int)
def on_spinBox_relationship_valueChanged(self):
"""
人情往来微调框数值改变时触发
"""
self.showPi()
@pyqtSlot(int)
def on_spinBox_taobao_valueChanged(self):
"""
淘宝网购微调框数值改变时触发
"""
self.showPi()
def __del__(self):
'''
删除相关对象
'''
self.view.deleteLater()
class MainDialog(QDialog, Ui_Form):
def __init__(self, parent=None):
super(MainDialog, self).__init__(parent)
self.setupUi(self)
self.setWindowIcon(QIcon(resource_path('assets/weather.ico')))
icon = QIcon()
icon.addPixmap(QPixmap(resource_path("assets/search.png")), QIcon.Normal, QIcon.Off)
self.pushButton.setIcon(icon)
self.pushButton.setIconSize(QtCore.QSize(30, 30))
self.pushButton.setAutoRepeatDelay(200)
self.flag = 0
self.pushButton.clicked.connect(self.push_info)
def push_info(self):
city_name = self.textEdit.toPlainText().strip()
if len(city_name) != 0:
try:
# 判断查询 1 天还是 7 天的天气情况
if self.radioButton.isChecked():
# 查询 1 天的天气情况
city_ip = gw.get_city_ip(city_name)
left_info = gw.get_base_weather(city_ip)
right_info = gw.get_additional_weather(city_ip)
self.textEdit_2.setText(left_info)
self.textEdit_3.setText(right_info)
gw.plot_1d_weather(city_ip)
else:
# 查询 7 天的天气情况
city_ip = gw.get_city_ip(city_name)
gw.plot_7d_weather(city_ip)
self.textEdit_2.setText("")
self.textEdit_3.setText("")
# 判断第一次查询
# self.flag = 0 表示第一次查询
if self.flag:
# 删除已有的浏览器控件
self.browser.deleteLater()
# 重新添加浏览器控件
self.browser = QWebEngineView()
# url = "file://////" + resource_path("time-temp-curve.html").replace("\\", "/")
url = resource_path("time-temp-curve.html").replace("\\", "/")
self.browser.load(QUrl(url))
self.horizontalLayout.addWidget(self.browser)
else:
self.browser = QWebEngineView()
# url = "file://////" + resource_path("time-temp-curve.html").replace("\\", "/")
url = resource_path("time-temp-curve.html").replace("\\", "/")
self.browser.load(QUrl(url))
self.horizontalLayout.addWidget(self.browser)
self.flag = 1
except:
self.textEdit_2.setText('查询失败！\n\n请检查城市名输入是否正确')
self.textEdit_3.setText('')
if self.flag:
self.browser.deleteLater()
self.flag = 0
else:
self.textEdit_2.setText('查询失败！\n\n请输入城市名')
self.textEdit_3.setText('')
if self.flag:
self.browser.deleteLater()
self.flag = 0
