dump pypi licenses of runtime deps

pip/BUILD.bazel

@@ -14,4 +14,7 @@ py_binary(
     ],
 )
 
-exports_files(["requirements.txt"])
+exports_files([
+    "requirements.txt",
+    "licenses.json",
+])

pip/licenses.json

@@ -0,0 +1,152 @@
+[
+  {
+    "License": "BSD License",
+    "Name": "Flask",
+    "Version": "1.1.2"
+  },
+  {
+    "License": "MIT License",
+    "Name": "Flask-Cors",
+    "Version": "3.0.9"
+  },
+  {
+    "License": "BSD License",
+    "Name": "Jinja2",
+    "Version": "2.11.2"
+  },
+  {
+    "License": "BSD License",
+    "Name": "Markdown",
+    "Version": "3.3.3"
+  },
+  {
+    "License": "BSD License",
+    "Name": "MarkupSafe",
+    "Version": "1.1.1"
+  },
+  {
+    "License": "GPL v3",
+    "Name": "PyQt5",
+    "Version": "5.15.1"
+  },
+  {
+    "License": "SIP",
+    "Name": "PyQt5-sip",
+    "Version": "12.8.1"
+  },
+  {
+    "License": "GPL v3",
+    "Name": "PyQtWebEngine",
+    "Version": "5.15.1"
+  },
+  {
+    "License": "BSD",
+    "Name": "PySocks",
+    "Version": "1.7.1"
+  },
+  {
+    "License": "BSD License",
+    "Name": "Send2Trash",
+    "Version": "1.5.0"
+  },
+  {
+    "License": "BSD License",
+    "Name": "Werkzeug",
+    "Version": "1.0.1"
+  },
+  {
+    "License": "MIT License",
+    "Name": "attrs",
+    "Version": "20.3.0"
+  },
+  {
+    "License": "MIT License",
+    "Name": "beautifulsoup4",
+    "Version": "4.9.3"
+  },
+  {
+    "License": "Mozilla Public License 2.0 (MPL 2.0)",
+    "Name": "certifi",
+    "Version": "2020.11.8"
+  },
+  {
+    "License": "GNU Library or Lesser General Public License (LGPL)",
+    "Name": "chardet",
+    "Version": "3.0.4"
+  },
+  {
+    "License": "BSD License",
+    "Name": "click",
+    "Version": "7.1.2"
+  },
+  {
+    "License": "BSD License",
+    "Name": "decorator",
+    "Version": "4.4.2"
+  },
+  {
+    "License": "BSD License",
+    "Name": "idna",
+    "Version": "2.10"
+  },
+  {
+    "License": "BSD License",
+    "Name": "itsdangerous",
+    "Version": "1.1.0"
+  },
+  {
+    "License": "MIT License",
+    "Name": "jsonschema",
+    "Version": "3.2.0"
+  },
+  {
+    "License": "Apache Software License, MIT License",
+    "Name": "orjson",
+    "Version": "3.4.3"
+  },
+  {
+    "License": "3-Clause BSD License",
+    "Name": "protobuf",
+    "Version": "3.13.0"
+  },
+  {
+    "License": "BSD License",
+    "Name": "psutil",
+    "Version": "5.7.3"
+  },
+  {
+    "License": "MIT License",
+    "Name": "pyrsistent",
+    "Version": "0.17.3"
+  },
+  {
+    "License": "Python Software Foundation License",
+    "Name": "pywin32",
+    "Version": "228"
+  },
+  {
+    "License": "Apache Software License",
+    "Name": "requests",
+    "Version": "2.25.0"
+  },
+  {
+    "License": "MIT License",
+    "Name": "six",
+    "Version": "1.15.0"
+  },
+  {
+    "License": "MIT License",
+    "Name": "soupsieve",
+    "Version": "2.0.1"
+  },
+  {
+    "License": "MIT License",
+    "Name": "urllib3",
+    "Version": "1.26.1"
+  },
+  {
+    "License": "Zope Public License",
+    "Name": "waitress",
+    "Version": "1.4.4"
+  }
+]

pip/licenses.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+#
+# Install runtime requirements into a venv and extract their licenses.
+# As Windows currently uses extra deps, running this on Windows should
+# capture all packages.
+# Run with 'bash licenses.sh' to update 'license.json'
+
+set -e
+
+# setup venv
+python -m venv venv
+
+# build wheels
+../bazel.bat --output_base=/c/bazel/anki/base build //pylib/anki:wheel //qt/aqt:wheel
+
+# install wheels, bound to constrained versions
+venv/scripts/pip install -c requirements.txt ../bazel-bin/pylib/anki/*.whl ../bazel-bin/qt/aqt/*.whl pip-licenses
+
+# dump licenses - ptable is a pip-licenses dep
+venv/scripts/pip-licenses --format=json --ignore-packages anki aqt pip-license PTable > licenses.json
+
+# clean up
+rm -rf venv