restructure project to be Python module,

add Dockerfile

.devcontainer/devcontainer.json

@@ -6,7 +6,7 @@
     "codespaces": {
       "openFiles": [
         "README.md",
-        "app.py"
+        "conda_metadata_app/pages/main_page.py"
       ]
     },
     "vscode": {
@@ -19,7 +19,7 @@
   },
   "updateContentCommand": "[ -f packages.txt ] && sudo apt update && sudo apt upgrade -y && sudo xargs apt install -y <packages.txt; [ -f requirements.txt ] && pip3 install --user -r requirements.txt; pip3 install --user streamlit; echo '✅ Packages installed and Requirements met'",
   "postAttachCommand": {
-    "server": "streamlit run app.py --server.enableCORS false --server.enableXsrfProtection false"
+    "server": "streamlit run app_proxy.py --server.enableCORS false --server.enableXsrfProtection false"
   },
   "portsAttributes": {
     "8501": {

.dockerignore

@@ -0,0 +1,3 @@
+Dockerfile
+.pixi/
+.github/

Dockerfile

@@ -0,0 +1,20 @@
+FROM ghcr.io/prefix-dev/pixi:0.31.0 AS build
+
+RUN apt update
+RUN apt install -y git
+
+COPY . /app
+WORKDIR /app
+
+RUN ./docker/install.sh
+
+FROM ubuntu:24.04 AS production
+
+COPY --from=build /app/.pixi/envs/default /app/.pixi/envs/default
+COPY --from=build /app/app_proxy.py /app
+COPY --from=build /app/app_config.toml /app
+COPY --from=build --chmod=0555 /entrypoint.sh /
+
+WORKDIR /app
+EXPOSE 8080
+CMD ["/entrypoint.sh"]

README.md

@@ -12,6 +12,9 @@ Use `pixi run dev` to run the app in development mode, and `pixi run deploy` to
 
 If you modified the configuration schema (see below), use `pixi run schema` to update the schema.
 
+### Dependencies
+Please note that this project defines dependencies in both a pixi project file (`pixi.toml`) and
+
 ## Custom Configuration
 
 Refer to the [Configuration Documentation](docs/configuration.md) for more information on how to customize the app.

app_proxy.py

@@ -0,0 +1,8 @@
+"""
+This workaround is needed because streamlit does not support an app from a module.
+https://github.com/streamlit/streamlit/issues/662#issuecomment-553356419
+"""
+
+import runpy
+
+runpy.run_module("conda_metadata_app.app", run_name="__main__", alter_sys=True)

conda_metadata_app/app.py

@@ -0,0 +1,24 @@
+from pathlib import Path
+
+import streamlit as st
+
+"""
+If deploying a streamlit app as a Python module, we cannot use
+the automatic pages/ subpages. Instead, we need to define the
+pages manually.
+"""
+
+pages_dir = Path(__file__).parent / "pages"
+
+main_page = st.Page(
+    pages_dir / "main_page.py",
+    title="app",
+)
+
+search_by_file_path_page = st.Page(
+    pages_dir / "search_by_file_path_page.py",
+    title="Search By File Path",
+)
+
+pg = st.navigation([main_page, search_by_file_path_page])
+pg.run()

app.py → conda_metadata_app/pages/main_page.py

@@ -16,8 +16,9 @@
 from rattler.platform import PlatformLiteral
 from requests.auth import HTTPBasicAuth
 
-from app_config import AppConfig, Channel, PackageDiscoveryChoice, ArchSubdirDiscoveryChoice, ArchSubdirList, \
-    ArtifactDiscoveryChoice, MetadataRetrieval, Secret
+from conda_metadata_app.app_config import (AppConfig, Channel, PackageDiscoveryChoice, ArchSubdirDiscoveryChoice,
+                                           ArchSubdirList, ArtifactDiscoveryChoice, MetadataRetrieval, Secret)
+from conda_metadata_app.version_order import VersionOrder
 
 if not os.environ.get("CACHE_DIR"):
     from conda_oci_mirror import defaults
@@ -36,8 +37,6 @@
 from streamlit.logger import get_logger
 from xml.etree import ElementTree as ET
 
-from version_order import VersionOrder
-
 
 yaml = YAML(typ="safe")
 yaml.allow_duplicate_keys = True

pages/Search_by_file_path.py → conda_metadata_app/pages/search_by_file_path_page.py

@@ -5,7 +5,7 @@
 import streamlit as st
 from streamlit_searchbox import st_searchbox
 
-from app import app_config
+from conda_metadata_app.app_config import AppConfig
 
 
 @st.cache_resource(ttl="15m", max_entries=100)
@@ -49,7 +49,7 @@ def find_artifacts_by_path(path):
     initial_sidebar_state="collapsed",
 )
 
-if not app_config().enable_filepath_search:
+if not AppConfig().enable_filepath_search:
     st.error("File path search is disabled in the app configuration.")
     st.stop()
 

docker/install.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -eux
+
+pixi run -e build build-wheel
+pixi install -e default
+pixi run -e default postinstall-production
+echo "#!/bin/sh" > /entrypoint.sh
+pixi shell-hook -e default >> /entrypoint.sh
+
+echo 'streamlit run --server.headless=true --global.developmentMode=false --browser.gatherUsageStats=false --server.port=8080 app_proxy.py' >> /entrypoint.sh

pixi.toml

@@ -4,23 +4,33 @@ version = "0.1.0"
 description = "A streamlit app to query metadata from conda packages"
 authors = ["jaimergp <jaimergp@users.noreply.github.com>"]
 channels = ["conda-forge"]
-platforms = ["linux-64", "win-64", "osx-arm64", "osx-64"]
+platforms = ["linux-64", "win-64", "osx-arm64", "osx-64", "linux-aarch64"]
 
 [tasks]
-dev = "streamlit run --server.runOnSave=true app.py"
-deploy = "streamlit run --server.headless=true --global.developmentMode=false app.py"
+dev = "streamlit run --server.runOnSave=true app_proxy.py"
+deploy = "streamlit run --server.headless=true --global.developmentMode=false app_proxy.py"
 schema = "python app_config.py"
+postinstall-production = "pip install --no-deps --disable-pip-version-check dist/conda_metadata_app-*.whl"
 
 [dependencies]
 python = "3.12.*"
-pip = "23.3.2.*"
 pydantic-settings = ">=2.4.0,<3"
 pydantic = ">=2.8.2,<3"
 typing-extensions = ">=4.12.2,<5"
 zstandard = ">=0.23.0,<0.24"
 py-rattler = ">=0.7.0,<0.8"
 setuptools = "*"
 
+[host-dependencies]
+pip = "*"
+
+[feature.build.dependencies]
+python-build = "*"
+hatchling = "*"
+[feature.build.tasks]
+postinstall = "pip install --no-build-isolation --no-deps --disable-pip-version-check -e ."
+build-wheel = "python -m build --no-isolation --wheel ."
+
 [feature.dev.dependencies]
 pixi-pycharm = ">=0.0.6,<0.0.7"
 
@@ -31,5 +41,6 @@ streamlit = ">=1.38.0,<2"
 streamlit-searchbox = "==0.1.16"
 
 [environments]
-default = {}
+default = []    # includes default feature
+build = ["build"]
 dev = { features = ["dev"], no-default-feature = true }

pyproject.toml

@@ -0,0 +1,17 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "conda-metadata-app"
+description = "A streamlit app to query metadata from conda packages"
+version = "0.1.0"
+authors = [{ name = "jaimergp", email = "jaimergp@users.noreply.github.com" }]
+classifiers = [
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.12",
+]
+requires-python = ">=3.12"
+
+[project.urls]
+repository = "https://github.com/Quansight-Labs/conda-metadata-app"