38 lines
856 B
Nix
38 lines
856 B
Nix
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{ pkgs ? import <nixpkgs> {} }:
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pkgs.mkShell {
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name = "python-environment";
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buildInputs = with pkgs; [
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python3
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python3Packages.virtualenv
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];
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shellHook = ''
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function log_header {
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echo -ne "==> \e[32m\e[1m$1\e[0m\n\n"
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}
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function log_subheader {
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echo -ne "--> \e[33m\e[1m$1\e[0m\n\n"
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}
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function log {
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echo -ne " $1\n"
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}
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echo ""
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log_header "python_environment"
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if [ ! -d .venv ]; then
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python -m venv .venv
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fi
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source .venv/bin/activate
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log_subheader "upgrading pip"
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pip install --upgrade pip
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echo ""
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if [ -s requirements.txt ]; then
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log_subheader "found requirements.txt, installing packages"
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pip install -r requirements.txt
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echo ""
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fi
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log_header "package versions"
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log "$(python --version)"
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log "$(pip --version)"
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'';
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}
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