Start

.gitignore

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+./venv

DBViewer.py

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+import streamlit as st
+import pymysql
+import modules.mainPage
+import modules.ticketsViewer
+import modules.ticketsMaker
+import modules.usersEditor
+
+
+connection = pymysql.connect(
+    host='localhost',
+    user='UserForDBViewerOnStreamlit',
+    password='123',
+    db='DBForDBViewerOnStreamlit'
+)
+
+st.sidebar.title('Навигация')
+pages = st.sidebar.radio('Страницы', ['Главная',
+                                      'Просмотр заявок',
+                                      'Создание заявок',
+                                      'Управление пользователями']
+                         )
+
+
+def main():
+
+    if pages == 'Главная':
+        modules.mainPage.main()
+    elif pages == 'Просмотр заявок':
+        modules.ticketsViewer.main(connection)
+    elif pages == 'Создание заявок':
+        modules.ticketsMaker.main(connection)
+    elif pages == 'Управление пользователями':
+        modules.usersEditor.main(connection)
+
+
+if __name__ == "__main__":
+    main()

db.sql

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+-- MariaDB dump 10.17  Distrib 10.4.12-MariaDB, for Linux (x86_64)
+--
+-- Host: localhost    Database: DBForDBViewerOnStreamlit
+-- ------------------------------------------------------
+-- Server version	10.4.12-MariaDB
+
+/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
+/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
+/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
+/*!40101 SET NAMES utf8mb4 */;
+/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
+/*!40103 SET TIME_ZONE='+00:00' */;
+/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
+/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
+/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
+/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
+
+--
+-- Table structure for table `Tickets`
+--
+
+DROP TABLE IF EXISTS `Tickets`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `Tickets` (
+  `TicketID` int(11) NOT NULL AUTO_INCREMENT,
+  `TicketText` varchar(300) COLLATE utf8mb4_unicode_ci NOT NULL,
+  `UserID` int(11) NOT NULL,
+  `TicketDate` datetime NOT NULL DEFAULT current_timestamp(),
+  `TicketResolved` tinyint(1) NOT NULL DEFAULT 0,
+  PRIMARY KEY (`TicketID`),
+  KEY `UserID` (`UserID`),
+  CONSTRAINT `Tickets_ibfk_1` FOREIGN KEY (`UserID`) REFERENCES `Users` (`UserID`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `Tickets`
+--
+
+LOCK TABLES `Tickets` WRITE;
+/*!40000 ALTER TABLE `Tickets` DISABLE KEYS */;
+/*!40000 ALTER TABLE `Tickets` ENABLE KEYS */;
+UNLOCK TABLES;
+
+--
+-- Table structure for table `Users`
+--
+
+DROP TABLE IF EXISTS `Users`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `Users` (
+  `UserID` int(11) NOT NULL AUTO_INCREMENT,
+  `UserName` varchar(100) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
+  PRIMARY KEY (`UserID`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `Users`
+--
+
+LOCK TABLES `Users` WRITE;
+/*!40000 ALTER TABLE `Users` DISABLE KEYS */;
+/*!40000 ALTER TABLE `Users` ENABLE KEYS */;
+UNLOCK TABLES;
+/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
+
+/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
+/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
+/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
+/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
+/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
+/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
+/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
+
+-- Dump completed on 2020-02-11 19:07:28

modules/mainPage.py

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+import streamlit as st
+from PIL import Image
+
+
+def main():
+
+    st.title('Добро пожаловать в просмотрщик базы даных')
+    st.write('Вас приветствует простое приложение для работы с бд')
+
+    image = Image.open('./media/image.png')
+    st.image(image, use_column_width=True)
+
+
+if __name__ == "__main__":
+    main()

modules/ticketsMaker.py

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+import streamlit as st
+import pymysql
+from re import match
+
+connection = pymysql.connect(
+    host='localhost',
+    user='UserForDBViewerOnStreamlit',
+    password='123',
+    db='DBForDBViewerOnStreamlit'
+)
+
+
+def main(connection=connection):
+
+    def string_check(string):
+
+        if match('^[0-9A-Za-zA-Яa-яЁё -"/_]*$', string) and string:
+            return True
+        else:
+            return False
+
+    def all_table_elements(TableName):
+
+        with connection:
+            query = 'SELECT * FROM ' + TableName
+            cursor = connection.cursor(pymysql.cursors.DictCursor)
+            cursor.execute(query)
+            rowsList = cursor.fetchall()
+            return rowsList
+
+    usersList = all_table_elements('Users')
+
+    listToDisplay = []
+    for i in range(len(usersList)):
+        listToDisplay.append(
+            str(usersList[i]['UserID']) + ' ' + usersList[i]['UserName'])
+
+    st.title('Создание заявок')
+    choice = st.selectbox('Выберите пользователя', listToDisplay)
+    ticketText = st.text_area('Введите текст заявки')
+    AddButton = st.button('Создать')
+
+    if AddButton:
+        if string_check(ticketText):
+            with connection:
+                cursor = connection.cursor()
+                cursor.execute('INSERT INTO Tickets (TicketText, UserID) VALUES (\'' +
+                               ticketText + '\' , \'' + choice.split(' ')[0] + '\')')
+            st.text('Заявка создана!')
+        else:
+            st.text('Некорректный ввод!')
+
+
+if __name__ == "__main__":
+    main()

modules/ticketsViewer.py

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+import streamlit as st
+import pymysql
+
+connection = pymysql.connect(
+    host='localhost',
+    user='UserForDBViewerOnStreamlit',
+    password='123',
+    db='DBForDBViewerOnStreamlit'
+)
+
+
+def main(connection=connection):
+
+    def all_table_elements(TableName):
+
+        with connection:
+            query = 'SELECT * FROM ' + TableName
+            cursor = connection.cursor(pymysql.cursors.DictCursor)
+            cursor.execute(query)
+            rowsList = cursor.fetchall()
+            return rowsList
+
+    def filtered_tickets(userID):
+
+        with connection:
+            query = 'SELECT * FROM Tickets WHERE UserID IN (' + userID + ')'
+            cursor = connection.cursor(pymysql.cursors.DictCursor)
+            cursor.execute(query)
+            userTickets = cursor.fetchall()
+            return userTickets
+
+    usersList = all_table_elements('Users')
+    st.title('Список пользователей и их заявок')
+    st.dataframe(usersList)
+
+    listToDisplay = []
+    for i in range(len(usersList)):
+        listToDisplay.append(
+            str(usersList[i]['UserID']) + ' ' + usersList[i]['UserName'])
+
+    filterBox = st.checkbox('Фильтр по пользователю')
+    if filterBox:
+        choice = st.selectbox(
+            'Выберите пользователя для просмотра его заявок', listToDisplay)
+        if choice is not None:
+            userTickets = filtered_tickets(choice.split(' ')[0])
+            st.dataframe(userTickets)
+    else:
+        st.dataframe(all_table_elements('Tickets'))
+
+
+if __name__ == "__main__":
+    main()

modules/usersEditor.py

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+import streamlit as st
+import pymysql
+from re import match
+
+connection = pymysql.connect(
+    host='localhost',
+    user='UserForDBViewerOnStreamlit',
+    password='123',
+    db='DBForDBViewerOnStreamlit'
+)
+
+
+def main(connection=connection):
+
+    def string_check(string):
+
+        if match('^[-0-9A-Za-zA-Яa-яЁё ]*$', string) and not ("\\" in string) and string:
+            return True
+        else:
+            st.text(
+                'Некорректный ввод! Строка должно включать русские или английские буквы, цифры или дефис')
+            return False
+
+    def all_table_elements(TableName):
+
+        with connection:
+            query = 'SELECT * FROM ' + TableName
+            cursor = connection.cursor(pymysql.cursors.DictCursor)
+            cursor.execute(query)
+            rowsList = cursor.fetchall()
+            return rowsList
+
+    def user_add(userName):
+
+        if not string_check(userName):
+            return False
+
+        with connection:
+            cursor = connection.cursor()
+            cursor.execute(
+                'INSERT INTO Users (UserName) VALUES (\'' + userName + '\')')
+        return True
+
+    def user_delete(user):
+
+        if not string_check(user):
+            return False
+
+        with connection:
+            cursor = connection.cursor()
+            try:
+                cursor.execute(
+                    'DELETE FROM Users WHERE UserID IN (' + str(user.split(' ')[0]) + ')')
+            except Exception:
+                st.text('Польователь \"' + str(user) +
+                        '\" отсутствует или не может быть удален!')
+                return False
+        return True
+
+    st.title('Управление пользоватлями')
+    usersList = all_table_elements('Users')
+    userName = st.text_input('Введите имя нового пользователя')
+    addButton = st.button('Добавить')
+    user = st.text_input(
+        'Введите ID и полное имя удаляемого пользователя через пробел')
+    deleteButton = st.button('Удалить')
+
+    if addButton:
+        if user_add(userName):
+            st.text('Польователь \"' + userName + '\" успешно добавлен!')
+            usersList = all_table_elements('Users')
+
+    if deleteButton:
+        if user_delete(user):
+            st.text('Польователь \"' + str(user) +
+                    '\" удален или отсутствовал!')
+            usersList = all_table_elements('Users')
+    st.dataframe(usersList)
+
+
+if __name__ == "__main__":
+    main()

requirements.txt

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+altair==4.0.1
+astor==0.8.1
+attrs==19.3.0
+backcall==0.1.0
+base58==2.0.0
+bleach==3.1.0
+blinker==1.4
+boto3==1.11.14
+botocore==1.14.14
+certifi==2019.11.28
+chardet==3.0.4
+Click==7.0
+decorator==4.4.1
+defusedxml==0.6.0
+docutils==0.15.2
+entrypoints==0.3
+enum-compat==0.0.3
+future==0.18.2
+idna==2.8
+ipykernel==5.1.4
+ipython==7.12.0
+ipython-genutils==0.2.0
+ipywidgets==7.5.1
+jedi==0.16.0
+Jinja2==2.11.1
+jmespath==0.9.4
+jsonschema==3.2.0
+jupyter-client==5.3.4
+jupyter-core==4.6.2
+MarkupSafe==1.1.1
+mistune==0.8.4
+nbconvert==5.6.1
+nbformat==5.0.4
+notebook==6.0.3
+numpy==1.18.1
+pandas==1.0.1
+pandocfilters==1.4.2
+parso==0.6.1
+pathtools==0.1.2
+pexpect==4.8.0
+pickleshare==0.7.5
+Pillow==7.0.0
+prometheus-client==0.7.1
+prompt-toolkit==3.0.3
+protobuf==3.11.3
+ptyprocess==0.6.0
+pydeck==0.2.1
+Pygments==2.5.2
+PyMySQL==0.9.3
+pyrsistent==0.15.7
+python-dateutil==2.8.0
+pytz==2019.3
+pyzmq==18.1.1
+requests==2.22.0
+s3transfer==0.3.3
+Send2Trash==1.5.0
+six==1.14.0
+streamlit==0.55.0
+terminado==0.8.3
+testpath==0.4.4
+toml==0.10.0
+toolz==0.10.0
+tornado==5.1.1
+traitlets==4.3.3
+tzlocal==2.0.0
+urllib3==1.25.8
+validators==0.14.2
+watchdog==0.10.2
+wcwidth==0.1.8
+webencodings==0.5.1
+widgetsnbextension==3.5.1