first commit

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+dist/
+eggs/
+*.egg-info/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.coverage
+.tox/
+.nox/
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# Mr Developer
+.mr.developer.cfg
+.project
+.pydevproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# CFFI
+.cffi_cache/
+
+# pycache
+__pycache__/

.vscode/launch.json

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+{
+  // IntelliSense를 사용하여 가능한 특성에 대해 알아보세요.
+  // 기존 특성에 대한 설명을 보려면 가리킵니다.
+  // 자세한 내용을 보려면 https://go.microsoft.com/fwlink/?linkid=830387을(를) 방문하세요.
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Python: 현재 파일",
+      "type": "python",
+      "request": "launch",
+      "program": "${file}",
+      "console": "integratedTerminal",
+      "justMyCode": true
+    },
+    {
+      "name": "Python: Streamlit",
+      "type": "python",
+      "request": "launch",
+      "module": "streamlit",
+      "justMyCode": true,
+      "args": ["run", "${file}"],
+      "env": {
+        "STATION_BUS_API_KEY1": "jEN2Laz4w1"
+      }
+    }
+  ]
+}

main.py

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+############################
+# 데이터베이스 사용 이해하기
+############################
+
+# from tinydb import TinyDB, Query
+import pandas as pd 
+from datetime import datetime
+from pprint import pprint
+from userdblib import fetch_user_by_email, fetch_user_by_id, fetch_users, insert_user, update_user, delete_user, create_table, get_new_id
+
+# # 데이터베이스 생성 및 연결
+# db = TinyDB('db.json')
+
+    
+# ###########################################
+# # 데이터베이스 쿼리 함수들                 #
+# ###########################################
+
+# # 데이터가 없으면 샘플 데이터 추가
+# def create_table():
+#     if len(db.all()) == 0:    
+#         users = [
+#             {'id': 1, 'name': '전 John', 'email': 'john@gmail.com', 'age': 20, 'created_at': '2021-01-01 00:00:00'},
+#             {'id': 2, 'name': '오 Jane', 'email': 'jane@gmail.com', 'age': 25, 'created_at': '2021-01-02 00:00:00'},
+#             {'id': 3, 'name': '방 Bob', 'email': 'bob@gmail.com', 'age': 30, 'created_at': '2021-01-03 00:00:00'},
+#             {'id': 4, 'name': '윤 Alice', 'email': 'alice@gmail.com', 'age': 35, 'created_at': '2021-01-04 00:00:00'},
+#             {'id': 5, 'name': '김 Bill', 'email': 'bill@gmail.com', 'age': 40, 'created_at': '2021-01-05 00:00:00'},
+#         ]
+#         db.insert_multiple(users)
+
+# def get_new_id():
+#     users = fetch_users()
+#     new_id = users[-1]['id'] + 1
+#     return new_id
+
+# def fetch_users():
+#     return db.all()
+
+# def fetch_user_by_id(id):
+#     users = db.search(Query().id == id)
+#     if len(users) == 0:
+#         return []
+#     else:
+#         return users.pop()
+
+# def fetch_user_by_email(email):
+#     users = db.search(Query().email == email)
+#     if len(users) == 0:
+#         return []
+#     else:
+#         return users.pop()
+
+# def insert_user(user):
+#     # new_user = user_from_input()
+#     db.insert(user)
+
+# def update_user(user):
+#     db.update(user, Query().id == user['id'])
+
+# def delete_user(id):
+#     db.remove(Query().id == id)
+
+
+
+
+###########################################
+# 화면 기능 함수들                         #
+###########################################
+
+def user_from_input():
+    print("#"*30 + " 사용자 정보 입력 " + "#"*30)
+    name = input("이름: ")
+    email = input("이메일: ")
+    age = int(input("나이: "))
+    created_at = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+    user = {'id': get_new_id(), 'name': name, 'email': email, 'age': age, 'created_at': created_at}
+    return user
+
+def user_from_input_update(user):
+    print("#"*30 + " 사용자 정보 업데이트 " + "#"*30)
+    name = input(f"이름({user['name']}): ")
+    email = input(f"이메일({user['email']}): ")
+    age = int(input(f"나이({user['age']}): "))
+    # created_at = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+    user = {'id': user["id"], 'name': name, 'email': email, 'age': age, 'created_at': user["created_at"]}
+    return user
+
+# Function to display all users
+def display_users():
+    users = fetch_users()
+    for user in users:
+        print(f"ID:{user['id']}\n이름:{user['name']}\n전자메일:{user['email']}\n나이:{user['age']}\n가입날짜:{user['created_at']}\n")
+    
+def add_new_user():
+    user = user_from_input()
+    insert_user(user)
+    print("새 사용자가 추가되었습니다.")
+
+def update_existing_user():
+    print("#"*30 + " 사용자 정보 수정 " + "#"*30)
+    id = int(input("수정할 사용자의 ID를 입력하세요: "))
+    user = fetch_user_by_id(id)
+    if len(user) == 0:
+        print("해당 ID의 사용자가 없습니다.")
+    else:
+        user = user_from_input_update(user)
+        user['id'] = id
+        update_user(user)
+        print("사용자 정보가 수정되었습니다.")
+
+def delete_existing_user():
+    print("#"*30 + " 사용자 정보 삭제 " + "#"*30)
+    id = int(input("삭제할 사용자의 ID를 입력하세요: "))
+    user = fetch_user_by_id(id)
+    if len(user) == 0:
+        print("해당 ID의 사용자가 없습니다.")
+    else:
+        delete_user(id)
+        print("사용자 정보가 삭제되었습니다.")
+
+def search_user_by_email():
+    print("#"*30 + " 사용자 정보 검색 " + "#"*30)
+    email = input("검색할 사용자의 이메일을 입력하세요: ")
+    user = fetch_user_by_email(email)
+    if len(user) == 0:
+        print("해당 이메일의 사용자가 없습니다.")
+    else:
+        print(f"ID:{user['id']}\n이름:{user['name']}\n전자메일:{user['email']}\n나이:{user['age']}\n가입날짜:{user['created_at']}\n")
+
+###########################################
+
+
+# main 함수
+create_table()
+while True:
+    print("#"*30 + " 사용자 관리 프로그램 " + "#"*30)
+    print("1. 사용자 전체 조회")
+    print("2. 사용자 추가")
+    print("3. 사용자 수정")
+    print("4. 사용자 삭제")
+    print("5. 이메일로 사용자 검색")
+    print("6. 종료")
+    print("#"*80)
+    menu = int(input("메뉴를 선택하세요: "))
+    if menu == 1:
+        display_users()
+    elif menu == 2:
+        add_new_user()
+    elif menu == 3:
+        update_existing_user()
+    elif menu == 4:
+        delete_existing_user()
+    elif menu == 5:
+        search_user_by_email()
+    elif menu == 6:
+        print("프로그램을 종료합니다.")
+        break
+    else:
+        print("잘못된 메뉴입니다. 다시 선택하세요.")
+    

readme.md

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+[]: # BEGIN: 1c3f3c8f7c7d
+# 데이터베이스와 스트림잇 웹앱!
+  * 스트림잇 기반의 웹앱 프로젝트를 수행하면서 
+
+## main.py 미리보기 
+  * 터미널환경으로 구현한 '사용자관리'하기
+  
+<video width="100%" controls>
+  <source src="streamlit_tinydb1_1.mp4" type="video/mp4">
+  Your browser does not support the video tag.
+</video>
+
+## webapp.py
+  * 웹앱으로 구현한 '사용자관리' 프로그램
+
+<video width="100%" controls>
+  <source src="streamlit_tinydb1_2.mp4" type="video/mp4">
+  Your browser does not support the video tag.
+</video>
+
+## userdblib.py
+  * tinydb를 직접 액세스하는 라이브러리 모듈 
+  * 기본적인 CRUD 기능 구현
+    * fetch 
+    * update
+    * delete
+    * create 
+
+## userdb.json
+  * 사용자DB 파일 
+  * tinydb 형식으로 저장된 json데이터베이스 
+  * utf-8 인코딩 자체적으로 사용함. 
+  * 직접 파일을 수정하는 것은 권하지 않음. 
+  * 참조 https://github.com/msiemens/tinydb.git
+
+## 설치
+```bash
+  pip install streamlit --upgrade 
+```

requirements.txt

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+streamlit
+tinydb

userdb.json

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+{"_default": {"1": {"id": 1, "name": "\uc804\uc0c1\ud6042", "email": "john@gmail.com", "age": 22, "created_at": "2021-01-01 00:00:00"}, "2": {"id": 2, "name": "\uc624 Jane", "email": "jane@gmail.com", "age": 25, "created_at": "2021-01-02 00:00:00"}, "3": {"id": 3, "name": "\ubc29 Bob", "email": "bob@gmail.com", "age": 30, "created_at": "2021-01-03 00:00:00"}, "4": {"id": 4, "name": "\uc724 Alice", "email": "alice@gmail.com", "age": 35, "created_at": "2021-01-04 00:00:00"}, "15": {"id": 15, "name": "\uc804\uc0c1\ud604", "email": "john@gmail.com", "age": 20, "created_at": "2023-11-09 17:47:20"}, "16": {"id": 16, "name": "\uc724\uc2e0\uc6d0", "email": "yoon@gmail.com", "age": 40, "created_at": "2023-11-09 18:58:49"}, "17": {"id": 17, "name": "\ud64d\uae38\ub3d9", "email": "hong@korea.com", "age": 29, "created_at": "2023-11-09 18:59:09"}, "18": {"id": 18, "name": "\uc720\uad00\uc21c", "email": "gw.ryu@korea.net", "age": 24, "created_at": "2023-11-09 18:59:38"}, "19": {"id": 19, "name": "\uae40\uad6c", "email": "goo.kim@korea.com", "age": 50, "created_at": "2023-11-09 20:18:45"}, "21": {"id": 21, "name": "\uc138\uc885\ub300\uc655", "email": "kingofchosun@korea.com", "age": 30, "created_at": "2023-11-10 10:45:54"}, "22": {"id": 22, "name": "\uac15\uac10\ucc2c", "email": "kang.gc@korea.com", "age": 50, "created_at": "2023-11-10 10:58:53"}}}

userdblib.py

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+from tinydb import TinyDB, Query
+from datetime import datetime
+from pprint import pprint
+# 데이터베이스 생성 및 연결
+db = TinyDB('userdb.json')
+###########################################
+# 데이터베이스 쿼리 함수들                 #
+###########################################
+
+# 데이터가 없으면 샘플 데이터 추가
+def create_table():
+    if len(db.all()) == 0:    
+        users = [
+            {'id': 1, 'name': '전 John', 'email': 'john@gmail.com', 'age': 20, 'created_at': '2021-01-01 00:00:00'},
+            {'id': 2, 'name': '오 Jane', 'email': 'jane@gmail.com', 'age': 25, 'created_at': '2021-01-02 00:00:00'},
+            {'id': 3, 'name': '방 Bob', 'email': 'bob@gmail.com', 'age': 30, 'created_at': '2021-01-03 00:00:00'},
+            {'id': 4, 'name': '윤 Alice', 'email': 'alice@gmail.com', 'age': 35, 'created_at': '2021-01-04 00:00:00'},
+            {'id': 5, 'name': '김 Bill', 'email': 'bill@gmail.com', 'age': 40, 'created_at': '2021-01-05 00:00:00'},
+        ]
+        db.insert_multiple(users)
+
+def get_new_id():
+    users = fetch_users()
+    new_id = users[-1]['id'] + 1
+    return new_id
+
+def fetch_users():
+    return db.all()
+
+def fetch_user_by_id(id):
+    users = db.search(Query().id == id)
+    if len(users) == 0:
+        return []
+    else:
+        return users.pop()
+
+def fetch_user_by_email(email):
+    users = db.search(Query().email == email)
+    if len(users) == 0:
+        return []
+    else:
+        return users.pop()
+
+def insert_user(user):
+    # new_user = user_from_input()
+    db.insert(user)
+
+def update_user(user):
+    db.update(user, Query().id == user['id'])
+
+def delete_user(id):
+    db.remove(Query().id == id)
+
+

webapp.py

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+import pandas as pd 
+from datetime import datetime
+from pprint import pprint
+import streamlit as st
+from userdblib import fetch_user_by_email, fetch_user_by_id, fetch_users, insert_user, update_user, delete_user, create_table, get_new_id 
+import extra_streamlit_components as stx
+
+###########################################
+# 화면 함수들                             #
+###########################################
+
+def init_router():
+    return stx.Router({"/": home, "/home": home, "/add": add_new_user, "/update": update_userinfo, "/delete": delete_userinfo, "/search": search_userinfo})
+
+def selection_changed(df):
+    st.write(df)
+
+def show_header():
+    st.title("사용자 관리 시스템")
+
+def home():
+    show_header()
+    col1, col2, col3, col4 = st.columns(4)
+    if col3.button("사용자 추가", use_container_width=True):
+        router.route("/add")
+    if col4.button("사용자 검색", use_container_width=True):
+        router.route("/search")
+    users = fetch_users()
+    df = pd.DataFrame(users, columns=['id', 'name', 'email', 'age', 'created_at'])
+    st.dataframe(df, use_container_width=True, hide_index=True)
+
+    # df에서 df["id"] + df["name"] => df["id_name"] 컬럼을 추가
+    df["id_name"] = df["id"].astype(str) + ":" + df["name"]    
+    selected = st.selectbox("사용자 선택", df["id_name"])
+    # st.write("선택된 id_name:", selected)
+    st.session_state["selected"] = selected
+    col1, col2 = st.columns(2)
+    if col1.button("사용자 수정", use_container_width=True):
+        router.route("/update")
+    if col2.button("사용자 삭제",use_container_width=True):
+        router.route("/delete")
+
+def add_new_user():
+    show_header()
+    st.subheader("사용자 정보 입력")
+    with st.form(key='user_form'):
+        name = st.text_input(label="이름")
+        email = st.text_input(label="이메일")
+        age = st.number_input(label="나이", min_value=0, max_value=150)
+        submitted = st.form_submit_button(label='저장하기', use_container_width=True)
+        if submitted:
+            created_at = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+            user = {'id': get_new_id(), 'name': name, 'email': email, 'age': age, 'created_at': created_at}
+            insert_user(user)
+            st.success("저장되었습니다.")
+    if st.button("사용자 목록", use_container_width=True):
+        router.route("/home")
+
+def update_userinfo():
+    show_header()
+    st.subheader("사용자 정보 수정")
+    selected = st.session_state["selected"]  # "1:전상현" 
+    user = fetch_user_by_id(int(selected.split(":")[0]))
+    with st.form(key='user_form'):
+        id = st.text_input(label="ID", value=user["id"], disabled=True)
+        name = st.text_input(label="이름", value=user["name"])
+        email = st.text_input(label="이메일", value=user["email"])
+        age = st.number_input(label="나이", min_value=0, max_value=150, value=user["age"])
+        created_at = user["created_at"]
+        submitted = st.form_submit_button(label='저장하기', use_container_width=True)
+        if submitted:
+            user = {'id': int(id), 'name': name, 'email': email, 'age': age, 'created_at': created_at}
+            update_user(user)
+            st.success("저장되었습니다.")
+    if st.button("사용자 목록", use_container_width=True):
+        router.route("/home")
+
+
+def delete_userinfo():
+    show_header()
+    st.subheader("사용자 정보 삭제")
+    selected = st.session_state["selected"]  # "1:전상현" 
+    user = fetch_user_by_id(int(selected.split(":")[0]))
+    with st.form(key='user_form'):
+        id = st.text_input(label="ID", value=user["id"], disabled=True)
+        name = st.text_input(label="이름", value=user["name"])
+        email = st.text_input(label="이메일", value=user["email"])
+        age = st.number_input(label="나이", min_value=0, max_value=150, value=user["age"])
+        created_at = user["created_at"]
+        submitted = st.form_submit_button(label='삭제하기', use_container_width=True)
+        if submitted:
+            delete_user(int(id))
+            st.success("삭제되었습니다.")
+            router.route("/home")
+    if st.button("사용자 목록", use_container_width=True):
+        router.route("/home")
+
+def search_userinfo():
+    show_header()
+    st.subheader("사용자 정보 검색")
+    # users = fetch_users()
+    # df = pd.DataFrame(users, columns=['id', 'name', 'email', 'age', 'created_at'])
+    with st.form(key='user_form'):
+        search_type = st.selectbox(label="검색 유형", options=["이름", "전자메일"])
+        search = st.text_input(label="검색어")
+        submitted = st.form_submit_button(label='검색하기', use_container_width=True)
+        if submitted:
+            users = fetch_users()
+            df = pd.DataFrame(users, columns=['id', 'name', 'email', 'age', 'created_at'])
+            if search_type == "이름":
+                df = df[df["name"].str.contains(search, case=False)]
+                st.dataframe(df, use_container_width=True, hide_index=True) 
+            elif search_type == "전자메일":
+                df = df[df["email"].str.contains(search, case=False)]
+                st.dataframe(df, use_container_width=True, hide_index=True)
+
+            # df에서 df["id"] + df["name"] => df["id_name"] 컬럼을 추가
+            df["id_name"] = df["id"].astype(str) + ":" + df["name"]    
+            selected = st.selectbox("사용자 선택", df["id_name"])
+            # st.write("선택된 id_name:", selected)
+            st.session_state["selected"] = selected
+    col1, col2 = st.columns(2)
+    if col1.button("사용자 수정", use_container_width=True):
+        router.route("/update")
+    if col2.button("사용자 삭제",use_container_width=True):
+        router.route("/delete")
+
+    if st.button("사용자 목록", use_container_width=True):
+        router.route("/home")
+
+# main 함수
+create_table()
+if "selected" not in st.session_state:
+    st.session_state["selected"] = None
+
+router = init_router()
+router.show_route_view()
+

youtubedb.json

@@ -0,0 +1 @@
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