# HG changeset patch
# User ymh <ymh.work@gmail.com>
# Date 1529073957 -7200
# Node ID 3e48e2e2c0ce4ca01dfd4a9af845467f8d3ca243
# Parent  2c172934dae26daed54cfe9e53f810f444dcc0bc
Create a generic import image command

diff -r 2c172934dae2 -r 3e48e2e2c0ce src/iconolab/management/commands/importimages.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/iconolab/management/commands/importimages.py	Fri Jun 15 16:45:57 2018 +0200
@@ -0,0 +1,90 @@
+import json
+import os
+import shutil
+
+from django.conf import settings
+from django.core.management.base import BaseCommand
+from PIL import Image as ImagePIL
+from sorl.thumbnail import get_thumbnail
+
+from iconolab.models import Image, ImageStats, Item, ItemMetadata
+
+
+class BaseImportImagesCommand(BaseCommand):
+
+    def handle(self, *args, **options):
+        raise NotImplementedError
+
+    def create_item_and_metadata(
+            self,
+            natural_key,
+            collection,
+            metadata_dict,
+            image_files,
+            options,
+            source_dir,
+            target_dir
+    ):
+        print('#### Creating item '+natural_key+' (natural key) in database')
+        item_object = Item.objects.create(
+            collection=collection
+        )
+
+        ItemMetadata.objects.create(
+            item=item_object,
+            metadata=json.dumps(metadata_dict),
+            natural_key=natural_key
+        )
+
+        print('#### Computing item image(s)')
+        for image in image_files:
+            (image_name, ext) = os.path.splitext(image)
+            if options.get('no-jpg-conversion') or ext in settings.NO_IMG_CONVERSION_EXTS:
+                print('##### Copying file '+str(image)+' without converting')
+                image_path = os.path.join(target_dir, image)
+                new_image_name = image
+                shutil.copy(os.path.join(source_dir, image), target_dir)
+                try:
+                    im = ImagePIL.open(os.path.join(target_dir, image))
+                    im_width, im_height = im.size
+                except Exception as e:
+                    print(e)
+                    continue
+            else:
+                image_path = os.path.join(target_dir, image_name) + '.jpg'
+                new_image_name = image_name+'.jpg'
+                if os.path.isfile(image_path):
+                    print('##### A jpeg file already exists in target dir for ' + image)
+                    try:
+                        im = ImagePIL.open(image_path)
+                        im_width, im_height = im.size
+                    except Exception as e:
+                        print(e)
+                        continue
+                else:
+                    jpeg_img_path = image_path
+                    try:
+                        im = ImagePIL.open(os.path.join(source_dir, image))
+                        print('##### Generating or copying jpeg for '+image)
+                        im.thumbnail(im.size)
+                        im.save(jpeg_img_path, 'JPEG', quality=options.get(
+                            'jpeg_quality', settings.IMG_JPG_DEFAULT_QUALITY))
+                        im_width, im_height = im.size
+                    except Exception as e:
+                        print(e)
+                        continue
+            new_image = Image.objects.create(
+                item=item_object,
+                media='uploads/'+new_image_name,
+                name=new_image_name,
+                height=im_height,
+                width=im_width
+            )
+            ImageStats.objects.create(
+                image=new_image
+            )
+        print('### Generating thumbnails for item '+natural_key)
+        for image in item_object.images.all():
+            for size in settings.PREGENERATE_THUMBNAILS_SIZES:
+                print('#### Thumbnail for size '+size)
+                get_thumbnail(image.media, size, crop=False)