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app.py
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app.py
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# -*- coding: utf-8 -*-
"""
Created on Wed Oct 19 14:34:26 2022
@author: shangfr
"""
import streamlit as st
from streamlit.logger import get_logger
from pipdeptree._render import render_json_tree
from language import chinese_dict
from charts import render_graph, render_tree
from utils import extract_graph_data, process_data_for_visualization
LOGGER = get_logger(__name__)
st.set_page_config(page_title='PyDepGraph', page_icon='🌐', layout="wide")
st.sidebar.title('🌐 PyDepGraph')
st.header("PKGS Dependencies Detection")
st.caption("PyDepGraph is a web application designed to display information about Python installed packages and their dependencies. 👇 ")
st.write('''
<style>
button {
height: auto;
padding-top: 10px !important;
padding-bottom: 10px !important;
}
[data-testid="column"] {
width: calc(20% - 1rem) !important;
flex: 1 1 calc(20% - 1rem) !important;
min-width: calc(20% - 1rem) !important;
}
</style>''', unsafe_allow_html=True)
lang = st.sidebar.select_slider(
'💬 Select a Language of The App',
options=['English', '中文'],
help='A useful tool for visualizing Python package dependencies.')
if lang == '中文':
lang_dict = chinese_dict
else:
lang_dict = {k: k for k, v in chinese_dict.items()}
col01, col02, col03 = st.columns(3)
with st.sidebar:
with st.expander(lang_dict['Color Setting']):
col3, col5, col6, col7, col8 = st.columns(5)
with st.expander(lang_dict['Nodes Setting']):
col9, col10 = st.columns(2)
col11, col12 = st.columns(2)
col13, col14 = st.columns(2)
with st.expander(lang_dict['Upload your own Data'], expanded=True):
uploaded_file = st.file_uploader(
lang_dict['Proceed as follows'], type=['json'])
st.markdown('''
``` bash
# shows the local python packages
pip install pipdeptree
pipdeptree --json-tree > pkg.json
# shows a particular package
pipdeptree --json-tree -p xxxpkg > xxxpkg.json
```
''')
bg_color = col3.color_picker(lang_dict['BG'], '#E9F7F0')
node_color = col5.color_picker(lang_dict['Node'], '#00F9F5')
links_color = col6.color_picker(lang_dict['Links'], '#F90023')
border_color = col7.color_picker(lang_dict['Border'], '#146B6B')
shadow_color = col8.color_picker(lang_dict['Shadow'], '#00F9C9')
node_size = col9.slider(lang_dict["Nodes SymbolSize"], 5, 50, 20)
border_width = col10.slider(lang_dict["Border Width"], 0, 10, 2)
shadow_blur = col11.slider(lang_dict["Shadow Blur"], 0, 50, 10)
nodes_font_size = col12.slider(lang_dict["Nodes FontSize"], 5, 50, 12)
label_font_size = col13.slider(lang_dict["Label FontSize"], 5, 50, 10)
repulsion_forces = col14.slider(lang_dict["Repulsion Forces"], 5, 200, 100)
@st.cache_resource
def read_pkgs():
from pipdeptree._discovery import get_installed_distributions
from pipdeptree._models import PackageDAG
pkgs = get_installed_distributions(local_only=True, user_only=False)
tree = PackageDAG.from_pkgs(pkgs)
return tree
if uploaded_file is None:
tree = read_pkgs()
pkgs_name_dependencies = [{"package": k.key, "dependencies": [
v.key for v in vs]} for k, vs in tree.items()]
else:
data_json = uploaded_file.getvalue()
tree = extract_graph_data(data_json)
pkgs_name_dependencies = [{"package": p["key"], "dependencies": [
v["key"] for v in p["dependencies"]]} for p in tree]
pkgs_name = [p['package'] for p in pkgs_name_dependencies]
if len(pkgs_name) == 0:
st.info(lang_dict['Data is Null'])
st.stop()
if "streamlit" in pkgs_name:
ids = pkgs_name.index("streamlit")
else:
ids = None
include = col01.selectbox(lang_dict['Package'], options=pkgs_name, index=ids)
if include is None:
st.stop()
include = [include]
# include=["streamlit"]
# exclude=[]
pkgs_dependencies = [p['dependencies']
for p in pkgs_name_dependencies if p['package'] in include][0]
exclude = col02.multiselect(
lang_dict['Dependency Exclusions'], options=pkgs_dependencies)
if include is not None or exclude is not None:
try:
if type(tree[0]) != dict:
pkgs_tree = tree.filter_nodes(include, exclude)
data_json = render_json_tree(pkgs_tree)
data = extract_graph_data(data_json)
else:
data = [p for p in tree if p['key'] in include]
data[0]['dependencies'] = [p for p in data[0]
['dependencies'] if p['key'] not in exclude]
except Exception as e:
st.error(lang_dict['Pkg filter_nodes error']+str(e))
st.stop()
#data_f = filter_local(data, include)
node_style = {"normal": {
"borderColor": border_color,
"borderWidth": border_width,
"shadowBlur": shadow_blur,
"shadowColor": shadow_color,
"color": node_color
}}
node_style = {}
layout = col03.selectbox(lang_dict['Layout'], [
'force', 'circular', 'tree', 'radial'])
show_n = col01.checkbox(lang_dict["Show Installed Version"], value=True)
show_l = col02.checkbox(lang_dict["Show Required Version"], value=True)
remove = col03.checkbox(lang_dict['Remove Branches Nodes'])
link_style = {"show": show_l, "fontSize": label_font_size, "remove": remove}
result = process_data_for_visualization(data, node_style, link_style)
# print(result)
if layout in ['tree', 'radial']:
graph = {"data": result['data'], "layout": layout, "bg_color": bg_color}
render_tree(graph)
else:
for idx, _ in enumerate(result['nodes']):
result['nodes'][idx]["symbolSize"] = node_size
graph = {"nodes": result['nodes'],
"links": result['links'],
"categories": result['categories'],
"layout": layout,
"bg_color": bg_color,
"show_n": show_n,
"nodes_font_size": nodes_font_size,
"links_color": links_color,
"repulsion_forces": repulsion_forces
}
# print(graph)
render_graph(graph)
# st.json({"Packages":data})
st.success(
"**👈 Change graph settings from the sidebar** to design with your own ideas!")
st.markdown(
"""
PyDepGraph is a utility for displaying the installed python packages in form of a dependency tree.
### Want to learn more?
- Check out 🔎[Streamlit.io](https://streamlit.io) 🔎[Pipdeptree](https://github.com/tox-dev/pipdeptree) 🔎[Echarts](https://echarts.apache.org/)
- Jump into my [github](https://github.com/shangfr/PyDepGraph)
- Contact me <shangfr@foxmail.com>
"""
)