init

.dockerignore

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+.git
+.idea

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# 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/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# 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
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .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
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+*.db
+
+.idea
+.vscode
+log

Dockerfile

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+FROM python:3.10
+
+COPY requirements.txt /tmp/requirements.txt
+
+RUN pip install -r /tmp/requirements.txt
+
+COPY . /app
+
+WORKDIR /app
+
+CMD ["python", "/app/main.py"]

README.md

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+# 使用 `Streamlit` 实现demo自举
+
+## 1. 项目介绍
+
+通过 streamlit的多页面应用, 实现多demo的动态展示

app/__init__.py

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+#!/usr/bin/env python3
+# -*- coding:utf-8 -*-

app/core/__init__.py

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+from .config import settings
+from .redis_ import kv_redis_client, redis_client

app/core/config.py

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+import os
+
+from loguru import logger
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    BASE_DIR: str = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+    VERSION: str | None = None
+
+    redis_dsn: str = 'redis://:@localhost:6379/0'
+    kv_redis_dsn: str = 'redis://:password@localhost:6379/1'
+    mysql_dsn: str = 'mysql+pymysql://username:password@localhost:3306/data?charset=utf8mb4'
+
+    @property
+    def version(self):
+        if self.VERSION:
+            return self.VERSION
+        if not os.path.exists(os.path.join(self.BASE_DIR, ".version")):
+            self.VERSION = "0.0.0"
+            return self.VERSION
+        with open(os.path.join(self.BASE_DIR, ".version"), "r") as f:
+            self.VERSION = f.read()
+        return self.VERSION
+
+    PROJECT_NAME: str = 'project_name'
+
+    class Config:
+        case_sensitive = True
+
+
+settings = Settings()
+
+if __name__ == '__main__':
+    logger.debug(settings.BASE_DIR)

app/core/redis_.py

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+import redis
+from loguru import logger
+
+from app.core.config import settings
+
+redis_client = redis.Redis.from_url(settings.redis_dsn)
+kv_redis_client = redis.Redis.from_url(settings.kv_redis_dsn)
+
+if __name__ == '__main__':
+    kv_redis_client.set("name", "leo")
+    keys = kv_redis_client.keys("*")
+    logger.debug(keys)
+    kv_redis_client.delete("name")
+    keys = kv_redis_client.keys("*")
+    logger.debug(keys)

main.py

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+import os
+
+import streamlit as st
+
+from app.core import settings
+
+
+def select_file():
+    ...
+
+
+def new_file():
+    new_file_name = st.session_state.new_file
+    if not new_file_name.endswith('.py'):
+        new_file_name = f'{new_file_name}.py'
+    with open(os.path.join(settings.BASE_DIR, 'pages', new_file_name), 'w') as f:
+        f.write('''
+#!/usr/bin/env python3
+# -*- coding:utf-8 -*-
+import streamlit as st
+st.write('Hello World!')
+''')
+
+
+with st.sidebar:
+    pages = os.listdir(os.path.join(settings.BASE_DIR, 'pages'))
+    pages = [{
+        'filename': page,
+        'filepath': os.path.join(settings.BASE_DIR, 'pages', page)
+    } for page in pages if page.endswith('.py') and page != '__init__.py']
+
+    option = st.selectbox(
+        'How would you like to be contacted?',
+        pages,
+        index=0,
+        format_func=lambda x: x['filename'],
+        on_change=select_file,
+        key='page_file'
+    )
+
+    st.write('You selected:', option)
+
+st.text_input('新建文件', on_change=new_file, key='new_file')

pages/form.py

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+#!/usr/bin/env python3
+# -*- coding:utf-8 -*-
+import streamlit as st
+import pandas as pd
+import numpy as np
+
+
+def get_data():
+    df = pd.DataFrame({
+        "lat": np.random.randn(200) / 50 + 37.76,
+        "lon": np.random.randn(200) / 50 + -122.4,
+        "team": ['A', 'B'] * 100
+    })
+    return df
+
+
+if st.button('Generate new points'):
+    st.session_state.df = get_data()
+if 'df' not in st.session_state:
+    st.session_state.df = get_data()
+df = st.session_state.df
+
+with st.form("my_form"):
+    header = st.columns([1, 2, 2])
+    header[0].subheader('Color')
+    header[1].subheader('Opacity')
+    header[2].subheader('Size')
+
+    row1 = st.columns([1, 2, 2])
+    colorA = row1[0].color_picker('Team A', '#0000FF')
+    opacityA = row1[1].slider('A opacity', 20, 100, 50, label_visibility='hidden')
+    sizeA = row1[2].slider('A size', 50, 200, 100, step=10, label_visibility='hidden')
+
+    row2 = st.columns([1, 2, 2])
+    colorB = row2[0].color_picker('Team B', '#FF0000')
+    opacityB = row2[1].slider('B opacity', 20, 100, 50, label_visibility='hidden')
+    sizeB = row2[2].slider('B size', 50, 200, 100, step=10, label_visibility='hidden')
+
+    st.form_submit_button('Update map')
+
+alphaA = int(opacityA * 255 / 100)
+alphaB = int(opacityB * 255 / 100)
+
+df['color'] = np.where(df.team == 'A', colorA + f'{alphaA:02x}', colorB + f'{alphaB:02x}')
+df['size'] = np.where(df.team == 'A', sizeA, sizeB)
+
+st.map(df, size='size', color='color')

requirements.txt

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+streamlit~=1.29.0
+loguru
+pydantic
+redis

start.bat

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+streamlit run main.py

start.sh

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+streamlit run main.py

utils/__init__.py

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+#!/usr/bin/env python3
+# -*- coding:utf-8 -*-