diff --git a/.dev/Procfile b/.dev/Procfile
new file mode 100755
index 0000000..4fdb8f4
--- /dev/null
+++ b/.dev/Procfile
@@ -0,0 +1,2 @@
+trytond: while true; do trytond -d ${DB_NAME} --dev -v -c $SCRIPT_DIR/trytond.cfg; done
+monitor: python3 $SCRIPT_DIR/dev.py
\ No newline at end of file
diff --git a/.dev/dev.py b/.dev/dev.py
new file mode 100755
index 0000000..de7108c
--- /dev/null
+++ b/.dev/dev.py
@@ -0,0 +1,52 @@
+# script para refrescar cambios de xml del modulo de tryton
+import sys
+import os
+import logging
+import time
+
+import inotify.adapters
+
+logging.basicConfig(level=logging.INFO, stream=sys.stderr)
+
+SRC = os.environ['SRC'] + '/modules/'
+MODULES = os.environ['MODULES'].split(':')
+DB_NAME = os.environ['DB_NAME']
+
+
+def _main():
+    i = inotify.adapters.Inotify()
+    logging.info("MONITOREANDO ARCHIVOS EN %s", SRC)
+
+    for module in MODULES:
+        logging.info('NOMBRE DEL MODULO A MONITOREAR%s', module)
+        i.add_watch(
+            SRC + module)
+
+    for event in i.event_gen(yield_nones=False):
+        (_, type_names, path, filename) = event
+        (_, ext) = os.path.splitext(filename)
+
+        if 'IN_CLOSE_WRITE' not in type_names:
+            continue
+
+        module_name = path.split('/')[-1]
+        logging.info('NOMBRE DEL MODULO %s', module_name)
+
+        if ext in ['.py', '.xml', '.cfg']:
+            for _ in range(0, 10):
+                command = "trytond-admin -d {} -u {} --act -vv".format(
+                    DB_NAME, module_name)
+                logging.debug("Ejecutando comando: %s", command)
+                update_module = os.system(command)
+                if update_module != 0:
+                    time.sleep(2)
+                    logging.error("fallo trytond-admin")
+                else:
+                    logging.info(
+                        "ACTUALIZADO TRYTOND POR CAMBIO DE ARCHIVO %s",
+                        filename)
+                    break
+
+
+if __name__ == '__main__':
+    _main()
diff --git a/.dev/install_module.sh b/.dev/install_module.sh
new file mode 100644
index 0000000..f678f2d
--- /dev/null
+++ b/.dev/install_module.sh
@@ -0,0 +1,66 @@
+# este script fuerza que los cambios se vean reflejados
+# directamente en trytond.
+#
+# variables exportadas:
+# - module_name
+
+[ ! -d "$SRC" ] && die "no se ubica ruta en SRC"
+
+if [ -z "${DEVELOP}" ]; then
+  DEVELOP="False"
+fi
+
+if [ ${DEVELOP} = "True" ]; then
+  pip3 install --break-system-packages -r .dev/requirements_dev.txt
+fi
+
+# dependencias minimas
+pip3 install --break-system-packages -r requirements.txt
+
+pip3 install --break-system-packages trytond==${TRYTOND_VERSION}
+official_modules=".dev/official_modules.txt"
+
+while IFS= read -r module; do
+  pip3 index versions "trytond-$module" | grep -oP '\d+\.\d+\.\d+' | grep "^${TRYTOND_VERSION}" | while read version; do
+    pip3 install --break-system-packages "trytond-$module==${version}"
+    echo "Versión instalada: $module==$version"
+    break
+  done
+
+done <"$official_modules"
+
+if [ -d "modules" ] && [ "$(ls -A modules)" ]; then
+
+  module_names=()
+  for module in modules/*/; do
+
+    pushd "$module"
+
+    # instalar dependencias de tryton desde paquete
+    python3 setup.py install
+
+    # usamos enlace al paquete
+    python3 setup.py develop
+
+    # instalar modulo
+    trytond_modules_path=$(pip3 show trytond | grep Location | sed -nr 's/Location: +//gp')/trytond/modules
+    module_name=$(cat "setup.py" | fgrep -A 1 [trytond.modules] | sed 1d | cut -d '=' -f 1 | tr -d ' \n')
+
+    # Añadir el nombre del módulo al arreglo
+    module_names+=("$module_name")
+
+    [ ! -d "$trytond_modules_path" ] && die "fallo al ubicar ruta de modulos de trytond"
+    ln -sf "$SRC/$module" "$trytond_modules_path/$module_name"
+    rm -rf "$SRC/$module/$module_name"
+
+    popd
+
+  done
+
+  trytond_path=$(pip3 show trytond | grep Location | sed -nr 's/Location: +//gp')/trytond
+
+  module_names=$(
+    IFS=:
+    echo "${module_names[*]}"
+  )
+fi
diff --git a/.dev/official_modules.txt b/.dev/official_modules.txt
new file mode 100644
index 0000000..251fb6a
--- /dev/null
+++ b/.dev/official_modules.txt
@@ -0,0 +1,2 @@
+country
+company
diff --git a/.dev/requirements_dev.txt b/.dev/requirements_dev.txt
new file mode 100644
index 0000000..f14fa59
--- /dev/null
+++ b/.dev/requirements_dev.txt
@@ -0,0 +1,6 @@
+inotify==0.2.10
+honcho==2.0.0
+pudb==2025.1
+urwid==3.0.2
+freezegun==1.5.1    
+psycopg2==2.9.10
diff --git a/.dev/run.sh b/.dev/run.sh
new file mode 100755
index 0000000..13f3f5f
--- /dev/null
+++ b/.dev/run.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+# script para iniciar entorno vivo
+
+
+SCRIPT_DIR=$(dirname `realpath $0`)
+
+die() {
+    echo $1
+    exit 1
+}
+
+[ ! -d "$SRC" ] && die "no se ubica ruta en SRC"
+[ -z "$DB_NAME" ] && die "se requiere variable DB_NAME"
+
+set -e
+
+# instalar modulo
+source ${SCRIPT_DIR}/install_module.sh
+
+# inicializar base de datos
+# https://docs.tryton.org/projects/server/en/latest/tutorial/module/setup_database.html
+yes admin | trytond-admin -d ${DB_NAME} --all --act 
+
+
+# ejecutar servidor
+export SCRIPT_DIR
+export MODULES=$module_names
+export DB_NAME
+export SRC
+
+honcho -d ${SCRIPT_DIR} start
diff --git a/.dev/trytond.cfg b/.dev/trytond.cfg
new file mode 100755
index 0000000..4453ac2
--- /dev/null
+++ b/.dev/trytond.cfg
@@ -0,0 +1,3 @@
+[web]
+listen = 0.0.0.0:8000
+root=/var/lib/trytond/www
diff --git a/.env_example b/.env_example
new file mode 100644
index 0000000..a850fa5
--- /dev/null
+++ b/.env_example
@@ -0,0 +1,8 @@
+# TRYTOND operation mode
+DEVELOP=False
+
+# Develop mode
+PUDB_PORT=8025
+
+# TRYTOND information
+TRYTOND_VERSION=7.6
diff --git a/.flake8 b/.flake8
new file mode 100644
index 0000000..2beef91
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,3 @@
+[flake8]
+ignore=E123,E124,E126,E128,E741,W503
+exclude=.git,__pycache__,docs/source/conf.py,old,build,dist,.dev
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9db73e7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,228 @@
+# ---> Python
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+*.bk
+
+/.vscode
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+bin/
+include/
+wheels/
+__pycache__
+trytond_miac.egg-info/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script fkrom a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# ---> Emacs
+# -*- mode: gitignore; -*-
+*~
+.~*
+*#
+\#*\#
+/.emacs.desktop
+/.emacs.desktop.lock
+*.elc
+auto-save-list
+tramp
+.\#*
+
+# Org-mode
+.org-id-locations
+*_archive
+
+# flymake-mode
+*_flymake.*
+
+# eshell files
+/eshell/history
+/eshell/lastdir
+
+# elpa packages
+/elpa/
+
+# reftex files
+*.rel
+
+# AUCTeX auto folder
+/auto/
+
+# cask packages
+.cask/
+dist/
+
+# Flycheck
+flycheck_*.el
+
+# server auth directory
+/server/
+
+# projectiles files
+.projectile
+
+# directory configuration
+.dir-locals.el
+
+# network security
+/network-security.data
+
+
+# ---> Vim
+# Swap
+[._]*.s[a-v][a-z]
+!*.svg  # comment out if you don't need vector files
+[._]*.sw[a-p]
+[._]s[a-rt-v][a-z]
+[._]ss[a-gi-z]
+[._]sw[a-p]
+
+# Session
+Session.vim
+Sessionx.vim
+
+# Temporary
+.netrwhist
+*~
+# Auto-generated tag files
+tags
+# Persistent undo
+[._]*.un~
+
+# ---> VirtualEnv
+# Virtualenv
+# http://iamzed.com/2009/05/07/a-primer-on-virtualenv/
+.Python
+[Bb]in
+[Ii]nclude
+[Ll]ib
+[Ll]ib64
+[Ll]ocal
+[Ss]cripts
+pyvenv.cfg
+.venv
+pip-selfcheck.json
+
+.tdd_cache
+app
\ No newline at end of file
diff --git a/Dockerfile_Test b/Dockerfile_Test
new file mode 100755
index 0000000..cd83991
--- /dev/null
+++ b/Dockerfile_Test
@@ -0,0 +1,5 @@
+# TOMADO DE: https://hg.tryton.org/tryton-docker/file/tip/6.6/Dockerfile
+FROM python:3.11-bullseye
+
+# trytond DB_CACHE requiere commandos `pg_dump` y `pg_restore`
+RUN apt-get update && apt-get install -y postgresql-client
diff --git a/Rakefile b/Rakefile
new file mode 100644
index 0000000..e5b0251
--- /dev/null
+++ b/Rakefile
@@ -0,0 +1,45 @@
+require 'yaml'
+require 'digest'
+
+DOCKER_COMPOSE='compose.test.yml'
+
+desc 'iniciar entorno'
+task :up do
+  compose('up', '--build', '-d')
+end
+
+desc 'poblar entorno'
+task :init => [:up] do
+  compose('exec', 'test.dev', 'pip3 install psycopg2 flake8')
+  compose('exec', 'test.dev', "bash .dev/install_module.sh")
+end
+
+desc 'terminal'
+task :sh do
+  compose('exec', 'test.dev', 'bash')
+end
+
+desc 'iterar'
+task :tdd, [:name]  do |_, args|
+  
+  refresh_cache
+  test_dir = ''
+  if args.name
+    test_dir = "modules/#{args.name}"
+    compose('exec', 'test.dev', "bash -c 'cd #{test_dir} && flake8'")
+    compose('exec', 'test.dev', "bash -c 'cd #{test_dir}/tests && python3 -m unittest'")
+  else
+    compose('exec', 'test.dev', "bash -c 'cd modules && flake8 *'")
+    compose('exec', 'test.dev', "bash -c 'python -m unittest discover -s modules'")
+  end
+
+end
+
+desc 'detener entorno'
+task :down do
+  compose('down', '-vv')
+end
+
+def compose(*arg, compose: DOCKER_COMPOSE)
+  sh "docker-compose -f #{compose} #{arg.join(' ')}"
+end
diff --git a/compose.test.yml b/compose.test.yml
new file mode 100755
index 0000000..1c78bae
--- /dev/null
+++ b/compose.test.yml
@@ -0,0 +1,20 @@
+services:
+  test.dev:
+    build:
+      context: .
+      dockerfile: Dockerfile_Test
+      args:
+        TRYTOND_VERSION: ${TRYTOND_VERSION}
+    environment:
+      SRC: /app
+      DB_CACHE: /tmp
+      DB_NAME: ":memory:"
+      TRYTOND_DATABASE_URI: sqlite://
+    command: sleep 10h
+    volumes:
+      - .:/app
+    ports:
+      - "${PUDB_PORT:-8025}:8025"
+    working_dir: /app
+    env_file:
+      - .env
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..a613053
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+qrcode==6.1
+pydot==3.0.0
+tqdm==4.67.1