Rename esphomeyaml to esphome (#426)

* Rename

* Update

* Add migration

* Fix

* Fix dashboard

* Change test

* Fixes

* Code cleanup

* Fix import order

* Update

* Automate docker builds

* Shellcheck

esphome/components/image.py

@@ -0,0 +1,63 @@
+# coding=utf-8
+import logging
+
+import voluptuous as vol
+
+from esphome import core
+from esphome.components import display, font
+import esphome.config_validation as cv
+from esphome.const import CONF_FILE, CONF_ID, CONF_RESIZE
+from esphome.core import CORE, HexInt
+from esphome.cpp_generator import Pvariable, progmem_array, safe_exp
+from esphome.cpp_types import App, uint8
+
+_LOGGER = logging.getLogger(__name__)
+
+DEPENDENCIES = ['display']
+MULTI_CONF = True
+
+Image_ = display.display_ns.class_('Image')
+
+CONF_RAW_DATA_ID = 'raw_data_id'
+
+IMAGE_SCHEMA = vol.Schema({
+    vol.Required(CONF_ID): cv.declare_variable_id(Image_),
+    vol.Required(CONF_FILE): cv.file_,
+    vol.Optional(CONF_RESIZE): cv.dimensions,
+    cv.GenerateID(CONF_RAW_DATA_ID): cv.declare_variable_id(uint8),
+})
+
+CONFIG_SCHEMA = vol.All(font.validate_pillow_installed, IMAGE_SCHEMA)
+
+
+def to_code(config):
+    from PIL import Image
+
+    path = CORE.relative_path(config[CONF_FILE])
+    try:
+        image = Image.open(path)
+    except Exception as e:
+        raise core.EsphomeError(u"Could not load image file {}: {}".format(path, e))
+
+    if CONF_RESIZE in config:
+        image.thumbnail(config[CONF_RESIZE])
+
+    image = image.convert('1', dither=Image.NONE)
+    width, height = image.size
+    if width > 500 or height > 500:
+        _LOGGER.warning("The image you requested is very big. Please consider using the resize "
+                        "parameter")
+    width8 = ((width + 7) // 8) * 8
+    data = [0 for _ in range(height * width8 // 8)]
+    for y in range(height):
+        for x in range(width):
+            if image.getpixel((x, y)):
+                continue
+            pos = x + y * width8
+            data[pos // 8] |= 0x80 >> (pos % 8)
+
+    rhs = safe_exp([HexInt(x) for x in data])
+    prog_arr = progmem_array(config[CONF_RAW_DATA_ID], rhs)
+
+    rhs = App.make_image(prog_arr, width, height)
+    Pvariable(config[CONF_ID], rhs)