run ./build.sh in git-bash to build + upload the exe


## ============================================================
## first-time setup on a stock win7x32sp1 vm:
## 

download + install git:
http://192.168.123.1:3923/ro/pyi/Git-2.37.3-32-bit.exe

<git-bash>
dl() { curl -fkLOC- "$1"; }
cd ~/Downloads &&
dl https://192.168.123.1:3923/ro/pyi/upx-3.96-win32.zip &&
dl https://192.168.123.1:3923/ro/pyi/KB2533623/Windows6.1-KB2533623-x86.msu &&
dl https://192.168.123.1:3923/ro/pyi/python-3.7.9.exe &&
dl https://192.168.123.1:3923/ro/pyi/pip-22.2.2-py3-none-any.whl &&
dl https://192.168.123.1:3923/ro/pyi/altgraph-0.17.2-py2.py3-none-any.whl &&
dl https://192.168.123.1:3923/ro/pyi/future-0.18.2.tar.gz &&
dl https://192.168.123.1:3923/ro/pyi/importlib_metadata-4.12.0-py3-none-any.whl &&
dl https://192.168.123.1:3923/ro/pyi/pefile-2022.5.30.tar.gz &&
dl https://192.168.123.1:3923/ro/pyi/pyinstaller-5.4.1-py3-none-win32.whl &&
dl https://192.168.123.1:3923/ro/pyi/pyinstaller_hooks_contrib-2022.10-py2.py3-none-any.whl &&
dl https://192.168.123.1:3923/ro/pyi/pywin32_ctypes-0.2.0-py2.py3-none-any.whl &&
dl https://192.168.123.1:3923/ro/pyi/typing_extensions-4.3.0-py3-none-any.whl &&
dl https://192.168.123.1:3923/ro/pyi/zipp-3.8.1-py3-none-any.whl &&
echo ok

manually install:
  windows6.1-kb2533623-x86.msu + reboot
  python-3.7.9.exe

<git-bash>
cd ~/Downloads &&
unzip -j upx-3.96-win32.zip upx-3.96-win32/upx.exe &&
python -m ensurepip &&
python -m pip install --user -U pip-22.2.2-py3-none-any.whl &&
python -m pip install --user -U pyinstaller-5.4.1-py3-none-win32.whl pefile-2022.5.30.tar.gz pywin32_ctypes-0.2.0-py2.py3-none-any.whl pyinstaller_hooks_contrib-2022.10-py2.py3-none-any.whl altgraph-0.17.2-py2.py3-none-any.whl future-0.18.2.tar.gz importlib_metadata-4.12.0-py3-none-any.whl typing_extensions-4.3.0-py3-none-any.whl zipp-3.8.1-py3-none-any.whl &&
echo ok
# python -m pip install --user -U Pillow-9.2.0-cp37-cp37m-win32.whl
# sed -ri 's/, bestopt, /]+bestopt+[/' $APPDATA/Python/Python37/site-packages/pyinstaller/building/utils.py
# sed -ri 's/(^\s+bestopt = ).*/\1["--best","--lzma","--ultra-brute"]/' $APPDATA/Python/Python37/site-packages/pyinstaller/building/utils.py


## ============================================================
## notes
##

size   t-unpack  virustotal                     cmnt
8059k  0m0.375s  5/70 generic-only, sandbox-ok  no-upx
7095k  0m0.563s  4/70 generic-only, sandbox-ok  standard-upx
6958k  0m0.578s  7/70 generic-only, sandbox-ok  upx+upx

use python 3.7 since 3.8 onwards requires KB2533623 on target

generate loader.rc template:
%appdata%\python\python37\scripts\pyi-grab_version C:\Users\ed\AppData\Local\Programs\Python\Python37\python.exe