initial checkin

.gitignore

@@ -0,0 +1,111 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from 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/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# 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/
+
+# Me!
+*~
+.*.sw?
+*.rej
+*.orig
+*.diff

custom_components/momentary/__init__.py

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+"""
+This component provides support for a momentary switch.
+
+"""
+
+import logging
+
+__version__ = '0.0.1'
+
+_LOGGER = logging.getLogger(__name__)
+
+DOMAIN = 'momentary'
+
+def setup(hass, config):
+    """Set up an momentary component."""
+    _LOGGER.debug( 'setup' )
+    return True

custom_components/momentary/switch.py

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+"""
+This component provides support for a momentary switch.
+
+"""
+
+import logging
+import time
+import pprint
+from datetime import timedelta
+
+import voluptuous as vol
+
+import homeassistant.helpers.config_validation as cv
+import homeassistant.util.dt as dt_util
+from homeassistant.components.switch import SwitchDevice
+from homeassistant.core import callback
+from homeassistant.helpers.config_validation import (PLATFORM_SCHEMA)
+from homeassistant.helpers.event import track_point_in_time
+
+from . import ( DOMAIN )
+
+_LOGGER = logging.getLogger(__name__)
+
+CONF_NAME = "name"
+CONF_ON_FOR = "on_for"
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required( CONF_NAME ): cv.string,
+    vol.Required( CONF_ON_FOR ): vol.All(cv.time_period, cv.positive_timedelta),
+})
+
+async def async_setup_platform(hass, config, async_add_entities, _discovery_info=None):
+    switches = []
+    switches.append( MomentarySwitch( config ) )
+    async_add_entities(switches, True)
+
+
+class MomentarySwitch(SwitchDevice):
+    """Representation of a Momentary switch."""
+
+    def __init__(self, config ):
+        """Initialize the Momentary switch device."""
+        self._name = config.get( CONF_NAME )
+        self._unique_id = self._name.lower().replace(' ', '_')
+        self._on_for = config.get( CONF_ON_FOR )
+        self._on_until = None
+        _LOGGER.info('MomentarySwitch: {} created'.format(self._name))
+
+    @property
+    def unique_id(self):
+        """Return a unique ID."""
+        return self._unique_id
+
+    @property
+    def state(self):
+        """Return the state of the switch."""
+        if self._on_until is not None:
+            if self._on_until > time.monotonic():
+                return "on"
+            _LOGGER.debug( 'turned off' )
+            self._on_until = None
+        return "off"
+
+    @property
+    def is_on(self):
+        """Return true if switch is on."""
+        return self._state
+
+    def turn_on(self, **kwargs):
+        """Turn the switch on."""
+        self._on_until = time.monotonic() + self._on_for.total_seconds()
+        self.async_schedule_update_ha_state()
+        track_point_in_time(self.hass, self.async_update_ha_state, dt_util.utcnow() + self._on_for)
+        _LOGGER.debug( 'turned on' )
+
+    def turn_off(self, **kwargs):
+        """Turn the switch off."""
+        pass
+

install

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+#!/bin/bash
+#
+
+if [[ "${1}" == "go" ]]; then
+	ECHO=
+	shift
+else
+	ECHO=echo
+fi
+
+DEST="${1}"
+if [[ -z "${DEST}" ]]; then
+	echo "*** please supply the home-assistant /config directory"
+	exit 1
+fi	
+if [[ ! -d "${DEST}" ]]; then
+	echo "*** please make sure the destination directory exists"
+	exit 1
+fi
+
+if [[ -n "${ECHO}" ]]; then
+	echo "**** would run the following commands, use './install go $1' to do the work"
+fi
+
+${ECHO} mkdir -p "${DEST}/custom_components"
+${ECHO} cp -afv custom_components/momentary "${DEST}/custom_components"
+