Added configuration for inkycal_image

Allowed to obtain image using http POST besides GET

modules/inkycal_image.py

@@ -14,7 +14,9 @@ import numpy
 
 """----------------------------------------------------------------"""
 #path = 'https://github.com/aceisace/Inky-Calendar/raw/master/Gallery/Inky-Calendar-logo.png'
-path  ='/home/pi/Inky-Calendar/images/canvas.png'
+#path  ='/home/pi/Inky-Calendar/images/canvas.png'
+path      = inkycal_image_path
+path_body = inkycal_image_path_body
 mode = 'auto'         # 'horizontal' # 'vertical' # 'auto'
 upside_down = True    # Flip image by 180 deg (upside-down)
 alignment = 'center'  # top_center, top_left, center_left, bottom_right etc.
@@ -22,10 +24,26 @@ colours = 'bwr'       # bwr # bwy # bw
 render = True         # show image on E-Paper?
 """----------------------------------------------------------------"""
 
+# First determine dimensions
+if mode == 'horizontal':
+  display_width, display_height == display_height, display_width
+
+if mode == 'vertical':
+  pass
+
+# .. Then substitute possibly parameterized path
+# TODO Get (assigned) panel dimensions instead of display dimensions
+path = path.replace('{model}', model).replace('{width}',str(display_width)).replace('{height}',str(display_height))
+
 """Try to open the image if it exists and is an image file"""
 try:
   if 'http' in path:
-    im = Image.open(requests.get(path, stream=True).raw)
+    if path_body is None:
+      # Plain GET
+      im = Image.open(requests.get(path, stream=True).raw)
+    else:
+      # POST request, passing path_body in the body
+      im = Image.open(requests.post(path, json=path_body, stream=True).raw)
   else:
     im = Image.open(path)
 except FileNotFoundError:
@@ -39,12 +57,6 @@ except OSError:
 if upside_down == True:
   im.rotate(180, expand = True)
 
-if mode == 'horizontal':
-  display_width, display_height == display_height, display_width
-
-if mode == 'vertical':
-  pass
-
 if mode == 'auto':
   if (im.width > im.height) and (display_width < display_height):
     print('display vertical, image horizontal -> flipping image')

settings/settings.py

@@ -23,6 +23,38 @@ bottom_section = "inkycal_rss"        # "inkycal_rss"
 # URLs should have this sign (") on both side -> "url1"
 # If more than one URL is used, separate each one with a comma -> "url1", "url2"
 
+########################
+# inkycal_image config:
+#
+# inkycal_image_path
+# The url or file path to obtain the image from.
+# The following parameters within accolades ({}) will be substituted:
+# - model
+# - width
+# - height
+#
+# Samples :
+# The inkycal logo:
+# inkycal_image_path = 'https://github.com/aceisace/Inky-Calendar/raw/master/Gallery/Inky-Calendar-logo.png'
+#
+# A dynamic image with a demo-calendar
+# inkycal_image_path = 'https://inkycal.robertsirre.nl/panel/test/{model}/image?width={width}&height={height}'
+#
+# Dynamic image with configurable calendars (see https://inkycal.robertsirre.nl/ and parameter inkycal_image_path_body)
+# inkycal_image_path = 'https://inkycal.robertsirre.nl/panel/calendar/{model}?width={width}&height={height}'
+
+inkycal_image_path  ='/home/pi/Inky-Calendar/images/canvas.png'
+
+# Optional: inkycal_image_path_body
+# Allows obtaining complexer configure images.
+# When inkycal_image_path starts with `http` and inkycal_image_path_body is specified, the image is obtained using POST instead of GET.
+# NOTE: structure of the body depends on the web-based image service
+# inkycal_image_path_body = [
+#   'https://calendar.google.com/calendar/ical/en.usa%23holiday%40group.v.calendar.google.com/public/basic.ics',
+#   'https://www.calendarlabs.com/ical-calendar/ics/101/Netherlands_Holidays.ics'
+# ]
+########################
+
 """Supported E-Paper models"""
 # epd_7_in_5_v2_colour # 7.5" high-res black-white-red/yellow
 # epd_7_in_5_v2        # 7.5" high-res black-white