Fix image handling

This PR fixes how spotseeker_restclient handles images during a POST.

Important change

• spotseeker_restclient/spotseeker.py
  • Instead of encoding the file as a string, send a file-like object right from the start.

Please review: @NUWAN.KUMARASIRI @TREFILEK @bjsousa

spotseeker_restclient/migrations/0001_initial.py

+# Generated by Django 2.1.3 on 2018-11-16 19:21
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='CacheEntry',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('service', models.CharField(db_index=True, max_length=50)),
+                ('url', models.CharField(db_index=True, max_length=255, unique=True)),
+                ('status', models.PositiveIntegerField()),
+                ('header_pickle', models.TextField()),
+                ('content', models.TextField()),
+            ],
+        ),
+        migrations.CreateModel(
+            name='ItemImage',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('image_id', models.IntegerField()),
+                ('description', models.CharField(blank=True, max_length=200)),
+                ('display_index', models.PositiveIntegerField(blank=True, null=True)),
+                ('width', models.IntegerField()),
+                ('height', models.IntegerField()),
+                ('content_type', models.CharField(max_length=40)),
+                ('creation_date', models.DateTimeField(auto_now_add=True)),
+                ('upload_user', models.CharField(max_length=40)),
+                ('upload_application', models.CharField(max_length=100)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Spot',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('spot_id', models.IntegerField()),
+                ('name', models.CharField(blank=True, max_length=100)),
+                ('uri', models.CharField(max_length=255)),
+                ('thumbnail_root', models.CharField(max_length=255)),
+                ('latitude', models.DecimalField(decimal_places=8, max_digits=11, null=True)),
+                ('longitude', models.DecimalField(decimal_places=8, max_digits=11, null=True)),
+                ('height_from_sea_level', models.DecimalField(blank=True, decimal_places=8, max_digits=11, null=True)),
+                ('building_name', models.CharField(blank=True, max_length=100)),
+                ('floor', models.CharField(blank=True, max_length=50)),
+                ('room_number', models.CharField(blank=True, max_length=25)),
+                ('building_description', models.CharField(blank=True, max_length=100)),
+                ('capacity', models.IntegerField(blank=True, null=True)),
+                ('display_access_restrictions', models.CharField(blank=True, max_length=200)),
+                ('organization', models.CharField(blank=True, max_length=50)),
+                ('manager', models.CharField(blank=True, max_length=50)),
+                ('etag', models.CharField(max_length=40)),
+                ('last_modified', models.DateTimeField()),
+                ('external_id', models.CharField(blank=True, default=None, max_length=100, null=True, unique=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='SpotAvailableHours',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('day', models.CharField(max_length=9)),
+                ('start_time', models.TimeField()),
+                ('end_time', models.TimeField()),
+            ],
+        ),
+        migrations.CreateModel(
+            name='SpotExtendedInfo',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('key', models.CharField(max_length=50)),
+                ('value', models.CharField(max_length=255)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='SpotImage',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('image_id', models.IntegerField()),
+                ('url', models.CharField(max_length=255)),
+                ('description', models.CharField(blank=True, max_length=200)),
+                ('display_index', models.PositiveIntegerField(blank=True, null=True)),
+                ('content_type', models.CharField(max_length=40)),
+                ('width', models.IntegerField()),
+                ('height', models.IntegerField()),
+                ('creation_date', models.DateTimeField()),
+                ('modification_date', models.DateTimeField()),
+                ('upload_user', models.CharField(max_length=40)),
+                ('upload_application', models.CharField(max_length=100)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='SpotItem',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('item_id', models.IntegerField()),
+                ('name', models.CharField(blank=True, max_length=100)),
+                ('category', models.CharField(max_length=255)),
+                ('subcategory', models.CharField(max_length=255)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='SpotType',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.SlugField()),
+            ],
+        ),
+        migrations.CreateModel(
+            name='CacheEntryExpires',
+            fields=[
+                ('cacheentry_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='spotseeker_restclient.CacheEntry')),
+                ('time_expires', models.DateTimeField()),
+            ],
+            bases=('spotseeker_restclient.cacheentry',),
+        ),
+        migrations.CreateModel(
+            name='CacheEntryTimed',
+            fields=[
+                ('cacheentry_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='spotseeker_restclient.CacheEntry')),
+                ('time_saved', models.DateTimeField()),
+            ],
+            bases=('spotseeker_restclient.cacheentry',),
+        ),
+        migrations.AlterUniqueTogether(
+            name='cacheentry',
+            unique_together={('service', 'url')},
+        ),
+    ]