Messenger

Messenger v.0.1/receiver.py

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+import requests
+from datetime import datetime
+import time
+
+
+def print_messages(messages):
+    for message in messages:
+        dt = datetime.fromtimestamp(message['time'])
+        print(dt.strftime('%H:%M:%S'), message['name'])
+        print(message['text'] + '\n')
+
+
+after = 0
+
+while True:
+    response = requests.get(url='http://127.0.0.1:5000/messages',
+                            params={'after': after})
+    messages = response.json()['messages']
+    if messages:
+        print_messages(messages)
+        after = messages[-1]['time']
+
+    time.sleep(1)

Messenger v.0.1/requirements.txt

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+Flask==2.0.2
+requests==2.27.1

Messenger v.0.1/sender.py

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+import requests
+
+name = input('Введите имя: ')
+
+while True:
+    text = input("Введите текст: ")
+    response = requests.post(url='http://127.0.0.1:5000/send',
+                             json={'name': name, 'text': text})

Messenger v.0.1/server.py

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+from flask import Flask, request, abort
+from time import time
+
+app = Flask(__name__)
+database = []
+# Структура database
+# {
+# 'name': 'Имя',
+# 'text': 'Текст сообщения.',
+# 'time': Время когда отправлено сообщение
+# },
+
+
+@app.route("/")
+def main():
+    return "Hello User! <a href='/send'>Send</a> " \
+           "<a href='/messages?after=0'>Messages</a> " \
+           "<a href='/status'>Status</a> "
+
+
+@app.route("/status")
+def status():
+    return {
+        'status': True,
+        'name': 'Messenger',
+        'time': time(),
+        'count_user': len(set(message['name'] for message in database))
+    }
+
+
+@app.route("/send", methods=['POST'])
+def send_message():
+    data = request.json
+    print(data)
+
+    name = data['name']
+    text = data['text']
+
+    if not isinstance(data, dict):
+        return abort(400)
+    if 'name' not in data or 'text' not in data:
+        return abort(400)
+
+    message = {
+        'name': name,
+        'text': text,
+        'time': time()
+    }
+
+    database.append(message)
+
+    return {'ok': True}
+
+
+@app.route("/messages")
+def get_message():
+    try:
+        after = float(request.args['after'])
+    except Exception as ex:
+        print(ex)
+        return abort(400)
+    messages = []
+
+    for message in database:
+        if message['time'] > after:
+            messages.append(message)
+
+    return {'messages': messages[:50]}
+
+
+if __name__ == '__main__':
+    app.run()

Messenger v.0.2/interface.py

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+# -*- coding: utf-8 -*-
+
+# Form implementation generated from reading ui file 'interface.ui'
+#
+# Created by: PyQt5 UI code generator 5.15.6
+#
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.
+
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+
+
+class Ui_MainWindow(object):
+    def setupUi(self, MainWindow):
+        MainWindow.setObjectName("MainWindow")
+        MainWindow.resize(570, 702)
+        font = QtGui.QFont()
+        font.setPointSize(8)
+        MainWindow.setFont(font)
+        self.centralwidget = QtWidgets.QWidget(MainWindow)
+        self.centralwidget.setObjectName("centralwidget")
+        self.textEdit = QtWidgets.QTextEdit(self.centralwidget)
+        self.textEdit.setGeometry(QtCore.QRect(10, 640, 461, 41))
+        font = QtGui.QFont()
+        font.setPointSize(15)
+        self.textEdit.setFont(font)
+        self.textEdit.setObjectName("textEdit")
+        self.listWidget = QtWidgets.QListWidget(self.centralwidget)
+        self.listWidget.setGeometry(QtCore.QRect(10, 61, 551, 561))
+        font = QtGui.QFont()
+        font.setPointSize(12)
+        self.listWidget.setFont(font)
+        self.listWidget.setObjectName("listWidget")
+        self.pushButton = QtWidgets.QPushButton(self.centralwidget)
+        self.pushButton.setGeometry(QtCore.QRect(480, 640, 81, 41))
+        font = QtGui.QFont()
+        font.setPointSize(31)
+        self.pushButton.setFont(font)
+        self.pushButton.setObjectName("pushButton")
+        self.label = QtWidgets.QLabel(self.centralwidget)
+        self.label.setGeometry(QtCore.QRect(10, 10, 291, 51))
+        font = QtGui.QFont()
+        font.setPointSize(31)
+        self.label.setFont(font)
+        self.label.setObjectName("label")
+        self.textEdit_2 = QtWidgets.QTextEdit(self.centralwidget)
+        self.textEdit_2.setGeometry(QtCore.QRect(290, 20, 271, 31))
+        font = QtGui.QFont()
+        font.setPointSize(12)
+        self.textEdit_2.setFont(font)
+        self.textEdit_2.setObjectName("textEdit_2")
+        MainWindow.setCentralWidget(self.centralwidget)
+
+        self.retranslateUi(MainWindow)
+        QtCore.QMetaObject.connectSlotsByName(MainWindow)
+
+    def retranslateUi(self, MainWindow):
+        _translate = QtCore.QCoreApplication.translate
+        MainWindow.setWindowTitle(_translate("MainWindow", "Messenger"))
+        self.textEdit.setPlaceholderText(_translate("MainWindow", "Введите сообщение..."))
+        self.pushButton.setText(_translate("MainWindow", ">"))
+        self.label.setText(_translate("MainWindow", "Messenger"))
+        self.textEdit_2.setPlaceholderText(_translate("MainWindow", "Введите имя"))

Messenger v.0.2/interface.ui

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+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>570</width>
+    <height>702</height>
+   </rect>
+  </property>
+  <property name="font">
+   <font>
+    <pointsize>8</pointsize>
+   </font>
+  </property>
+  <property name="windowTitle">
+   <string>Messenger</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <widget class="QTextEdit" name="textEdit">
+    <property name="geometry">
+     <rect>
+      <x>10</x>
+      <y>640</y>
+      <width>461</width>
+      <height>41</height>
+     </rect>
+    </property>
+    <property name="font">
+     <font>
+      <pointsize>15</pointsize>
+     </font>
+    </property>
+    <property name="placeholderText">
+     <string>Введите сообщение...</string>
+    </property>
+   </widget>
+   <widget class="QListWidget" name="listWidget">
+    <property name="geometry">
+     <rect>
+      <x>10</x>
+      <y>61</y>
+      <width>551</width>
+      <height>561</height>
+     </rect>
+    </property>
+    <property name="font">
+     <font>
+      <pointsize>12</pointsize>
+     </font>
+    </property>
+   </widget>
+   <widget class="QPushButton" name="pushButton">
+    <property name="geometry">
+     <rect>
+      <x>480</x>
+      <y>640</y>
+      <width>81</width>
+      <height>41</height>
+     </rect>
+    </property>
+    <property name="font">
+     <font>
+      <pointsize>31</pointsize>
+     </font>
+    </property>
+    <property name="text">
+     <string>&gt;</string>
+    </property>
+   </widget>
+   <widget class="QLabel" name="label">
+    <property name="geometry">
+     <rect>
+      <x>10</x>
+      <y>10</y>
+      <width>291</width>
+      <height>51</height>
+     </rect>
+    </property>
+    <property name="font">
+     <font>
+      <pointsize>31</pointsize>
+     </font>
+    </property>
+    <property name="text">
+     <string>Messenger</string>
+    </property>
+   </widget>
+   <widget class="QTextEdit" name="textEdit_2">
+    <property name="geometry">
+     <rect>
+      <x>290</x>
+      <y>20</y>
+      <width>271</width>
+      <height>31</height>
+     </rect>
+    </property>
+    <property name="font">
+     <font>
+      <pointsize>12</pointsize>
+     </font>
+    </property>
+    <property name="placeholderText">
+     <string>Введите имя</string>
+    </property>
+   </widget>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

Messenger v.0.2/main.py

@@ -0,0 +1,63 @@
+import interface
+from PyQt5 import QtWidgets, QtCore
+import requests
+from datetime import datetime
+
+
+class Messenger(QtWidgets.QMainWindow, interface.Ui_MainWindow):
+    def __init__(self):
+        super(Messenger, self).__init__()
+        self.setupUi(self)
+        self.after = 0
+        self.pushButton.clicked.connect(self.send_message)
+        self.timer = QtCore.QTimer()
+        self.timer.timeout.connect(self.get_messages)
+        self.timer.start(1000)
+
+    def show_messages(self, message):
+        item = QtWidgets.QListWidgetItem()
+        dt = datetime.fromtimestamp(message['time'])
+        item.setText(f"{message['name']} {dt.strftime('%H:%M')}\n{message['text']}")
+        self.listWidget.addItem(item)
+
+    def get_messages(self):
+        try:
+            response = requests.get(url='http://127.0.0.1:5000/messages', params={'after': self.after})
+        except Exception as e:
+            print(e)
+            return
+        messages = response.json()['messages']
+        for i in range(len(messages)):
+            self.show_messages(messages[i])
+            self.after = messages[i]['time']
+            self.listWidget.scrollToBottom()
+
+    def send_message(self):
+        name = self.textEdit_2.toPlainText()
+        text = self.textEdit.toPlainText()
+        if len(name) > 0 and len(text) > 0:
+            try:
+                response = requests.post(url='http://127.0.0.1:5000/send', json={'name': name, 'text': text})
+            except Exception as e:
+                item = QtWidgets.QListWidgetItem()
+                item.setTextAlignment(QtCore.Qt.AlignCenter)
+                item.setText('Сервер недоступен!\n')
+                self.listWidget.addItem(item)
+                print(e)
+                return
+
+            if response.status_code != 200:
+                item = QtWidgets.QListWidgetItem()
+                item.setTextAlignment(QtCore.Qt.AlignCenter)
+                item.setText('Неправильное имя или текст!\n')
+                self.listWidget.addItem(item)
+                return
+
+            self.textEdit.clear()
+
+
+if __name__ == '__main__':
+    App = QtWidgets.QApplication([])
+    window = Messenger()
+    window.show()
+    App.exec()

Messenger v.0.2/requirements.txt

@@ -0,0 +1,6 @@
+Flask==2.0.2
+requests==2.27.1
+PyQt5==5.15.6
+PyQt5-Qt5==5.15.2
+PyQt5-sip==12.8.1
+PyQt5-stubs==5.14.2.2