Show and order by taken date

1 files changed, 34 insertions, 7 deletions

diff --git a/build.py b/build.py
index e627f8f..f018b94 100755
--- a/build.py
+++ b/build.py
@@ -1,12 +1,14 @@
 #!/usr/bin/env python3
 import jinja2
 import PIL.Image
+import PIL.ImageOps
 import argparse
 import yaml
 import os
 import re
 import hashlib
 import glob
+from datetime import datetime
 
 imagereg = re.compile("([a-z0-9]*)\\..*")
 
@@ -76,13 +78,15 @@ class ImageLocation:
         fname = f"{thash}.{settings['ext']}"
         print(f"Converting file {imgname} to {fname}")
 
-        im = PIL.Image.open(imgname)
-
-        width = settings["res"]
-        res = (width, int((im.size[1] / im.size[0]) * width))
-        im = im.resize(res, PIL.Image.ANTIALIAS)
         tmpname = f"{self.tmpname}.{settings['ext']}"
-        im.save(tmpname)
+        with PIL.Image.open(imgname) as im:
+            target_height = settings["res"]
+            im = PIL.ImageOps.exif_transpose(im)
+            if im.size[0] > target_height:
+                res = (int((im.size[0] / im.size[1]) * target_height), target_height)
+                im = im.resize(res, PIL.Image.ANTIALIAS)
+
+            im.save(tmpname)
 
         os.rename(tmpname, os.path.join(self.folder, fname))
 
@@ -119,6 +123,24 @@ class Image:
         self.scaledpath = ""
         self.fullurl = ""
 
+        self.taken = None
+        self.load_metadata()
+
+    def load_metadata(self):
+        try:
+            with PIL.Image.open(self.filename) as im:
+                taken_str = im.getexif()[36867]
+        except KeyError:
+            print(f"Could not load date from image {self.filename}")
+            return
+
+        self.taken = datetime.strptime(taken_str, "%Y:%m:%d %H:%M:%S")
+
+
+def value_or_default(val, default=None):
+    if val is None:
+        return default
+    return val
 
 
 class Loader:
@@ -152,6 +174,11 @@ class Loader:
 
             self.images.append(img)
 
+        self.images = sorted(self.images,
+                             key=lambda img: value_or_default(img.taken,
+                                                              datetime.min),
+                             reverse=True)
+
 
 class Renderer:
     def __init__(self, loader, resolution, extension):
@@ -197,7 +224,7 @@ class Renderer:
 
 parser = argparse.ArgumentParser()
 parser.add_argument("--dest", "-d", default="build", help="where to put resulting files")
-parser.add_argument("--size", "-s", default="1920", help="size to scale web images to")
+parser.add_argument("--size", "-s", default="1080", help="size to scale web images to")
 parser.add_argument("--commit", "-g", help="git commit hash to announce")
 parser.add_argument("--clean",  help="clean unused image files", action="store_true")
 parser.add_argument("--config", "-c", default="imginfo.yml", help="where to load image definitions from")