nixpkgs/pkgs/applications/office/paperless/withConfig.nix
2019-05-08 09:26:31 +02:00

69 lines
1.7 KiB
Nix

{ paperless, lib, writers }:
## Usage
#
# nix-build --out-link ./paperless -E '
# (import <nixpkgs> {}).paperless.withConfig {
# dataDir = /tmp/paperless-data;
# config = {
# PAPERLESS_DISABLE_LOGIN = "true";
# };
# }'
#
# Setup DB
# ./paperless migrate
#
# Consume documents in ${dataDir}/consume
# ./paperless document_consumer --oneshot
#
# Start web interface
# ./paperless runserver --noreload localhost:8000
{ config ? {}, dataDir ? null, ocrLanguages ? null
, paperlessPkg ? paperless, extraCmds ? "" }:
with lib;
let
paperless = if ocrLanguages == null then
paperlessPkg
else
(paperlessPkg.override {
tesseract = paperlessPkg.tesseract.override {
enableLanguages = ocrLanguages;
};
}).overrideDerivation (_: {
# `ocrLanguages` might be missing some languages required by the tests.
doCheck = false;
});
envVars = (optionalAttrs (dataDir != null) {
PAPERLESS_CONSUMPTION_DIR = "${dataDir}/consume";
PAPERLESS_MEDIADIR = "${dataDir}/media";
PAPERLESS_STATICDIR = "${dataDir}/static";
PAPERLESS_DBDIR = "${dataDir}";
}) // config;
envVarDefs = mapAttrsToList (n: v: ''export ${n}="${toString v}"'') envVars;
setupEnvVars = builtins.concatStringsSep "\n" envVarDefs;
setupEnv = ''
source ${paperless}/share/paperless/setup-env.sh
${setupEnvVars}
${optionalString (dataDir != null) ''
mkdir -p "$PAPERLESS_CONSUMPTION_DIR" \
"$PAPERLESS_MEDIADIR" \
"$PAPERLESS_STATICDIR" \
"$PAPERLESS_DBDIR"
''}
'';
runPaperless = writers.writeBash "paperless" ''
set -e
${setupEnv}
${extraCmds}
exec python $paperlessSrc/manage.py "$@"
'';
in
runPaperless // {
inherit paperless setupEnv;
}