'
+ return "ΠΠ΅Ρ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΡ"
+ image_preview.allow_tags = True
+ image_preview.short_description = "ΠΡΠ΅Π²ΡΡ"
+
+ def get_queryset(self, request):
+ return super().get_queryset(request).select_related()
\ No newline at end of file
diff --git a/imagehash/apps.py b/imagehash/apps.py
new file mode 100644
index 0000000..5c3ad36
--- /dev/null
+++ b/imagehash/apps.py
@@ -0,0 +1,7 @@
+from django.apps import AppConfig
+
+
+class ImagehashConfig(AppConfig):
+ default_auto_field = 'django.db.models.BigAutoField'
+ name = 'imagehash'
+ verbose_name = 'Image Hash Calculator'
\ No newline at end of file
diff --git a/imagehash/migrations/0001_initial.py b/imagehash/migrations/0001_initial.py
new file mode 100644
index 0000000..e0cb1c5
--- /dev/null
+++ b/imagehash/migrations/0001_initial.py
@@ -0,0 +1,28 @@
+# Generated by Django 5.2.7 on 2025-10-20 05:09
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+ initial = True
+
+ dependencies = [
+ ]
+
+ operations = [
+ migrations.CreateModel(
+ name='ImageWithHash',
+ fields=[
+ ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+ ('name', models.CharField(max_length=100, verbose_name='ΠΠ°Π·Π²Π°Π½ΠΈΠ΅')),
+ ('image', models.ImageField(upload_to='images/', verbose_name='ΠΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΠ΅')),
+ ('image_hash', models.CharField(blank=True, max_length=40, null=True, verbose_name='SHA1 Ρ
Π΅Ρ')),
+ ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Π‘ΠΎΠ·Π΄Π°Π½ΠΎ')),
+ ],
+ options={
+ 'verbose_name': 'ΠΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΠ΅ Ρ Ρ
Π΅ΡΠ΅ΠΌ',
+ 'verbose_name_plural': 'ΠΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΡ Ρ Ρ
Π΅ΡΠ°ΠΌΠΈ',
+ },
+ ),
+ ]
diff --git a/imagehash/migrations/__init__.py b/imagehash/migrations/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/imagehash/migrations/__pycache__/0001_initial.cpython-313.pyc b/imagehash/migrations/__pycache__/0001_initial.cpython-313.pyc
new file mode 100644
index 0000000..dcb8691
Binary files /dev/null and b/imagehash/migrations/__pycache__/0001_initial.cpython-313.pyc differ
diff --git a/imagehash/migrations/__pycache__/__init__.cpython-313.pyc b/imagehash/migrations/__pycache__/__init__.cpython-313.pyc
new file mode 100644
index 0000000..fe76754
Binary files /dev/null and b/imagehash/migrations/__pycache__/__init__.cpython-313.pyc differ
diff --git a/imagehash/models.py b/imagehash/models.py
new file mode 100644
index 0000000..3d4de11
--- /dev/null
+++ b/imagehash/models.py
@@ -0,0 +1,162 @@
+import hashlib
+from django.db import models
+from django.core.files.base import ContentFile
+from django.core.files.storage import default_storage
+
+
+class ImageWithHash(models.Model):
+ """
+ ΠΠΎΠ΄Π΅Π»Ρ Ρ ImageField ΠΈ ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎΡΡΡΡ Π΄Π»Ρ ΠΏΠΎΠ»ΡΡΠ΅Π½ΠΈΡ SHA1 Ρ
Π΅ΡΠ°
+ """
+ name = models.CharField(max_length=100, verbose_name="ΠΠ°Π·Π²Π°Π½ΠΈΠ΅")
+ image = models.ImageField(upload_to='images/', verbose_name="ΠΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΠ΅")
+ image_hash = models.CharField(max_length=40, blank=True, null=True, verbose_name="SHA1 Ρ
Π΅Ρ")
+ created_at = models.DateTimeField(auto_now_add=True, verbose_name="Π‘ΠΎΠ·Π΄Π°Π½ΠΎ")
+
+ class Meta:
+ verbose_name = "ΠΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΠ΅ Ρ Ρ
Π΅ΡΠ΅ΠΌ"
+ verbose_name_plural = "ΠΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΡ Ρ Ρ
Π΅ΡΠ°ΠΌΠΈ"
+
+ def __str__(self):
+ return f"{self.name} - {self.image_hash or 'ΠΠ΅Ρ Ρ
Π΅ΡΠ°'}"
+
+ def get_image_sha1_hash(self):
+ """
+ ΠΠΎΠ»ΡΡΠ°Π΅Ρ SHA1 Ρ
Π΅Ρ ΡΠΎΠ΄Π΅ΡΠΆΠΈΠΌΠΎΠ³ΠΎ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΡ
+
+ Returns:
+ str: SHA1 Ρ
Π΅Ρ Π² ΡΠ΅ΡΡΠ½Π°Π΄ΡΠ°ΡΠ΅ΡΠΈΡΠ½ΠΎΠΌ ΡΠΎΡΠΌΠ°ΡΠ΅ ΠΈΠ»ΠΈ None Π΅ΡΠ»ΠΈ ΡΠ°ΠΉΠ» Π½Π΅ Π½Π°ΠΉΠ΄Π΅Π½
+ """
+ if not self.image:
+ return None
+
+ try:
+ # ΠΡΠΊΡΡΠ²Π°Π΅ΠΌ ΡΠ°ΠΉΠ» ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΡ
+ with self.image.open('rb') as image_file:
+ # Π§ΠΈΡΠ°Π΅ΠΌ ΡΠΎΠ΄Π΅ΡΠΆΠΈΠΌΠΎΠ΅ ΡΠ°ΠΉΠ»Π°
+ file_content = image_file.read()
+
+ # ΠΡΡΠΈΡΠ»ΡΠ΅ΠΌ SHA1 Ρ
Π΅Ρ
+ sha1_hash = hashlib.sha1(file_content).hexdigest()
+
+ return sha1_hash
+
+ except Exception as e:
+ print(f"ΠΡΠΈΠ±ΠΊΠ° ΠΏΡΠΈ Π²ΡΡΠΈΡΠ»Π΅Π½ΠΈΠΈ Ρ
Π΅ΡΠ°: {e}")
+ return None
+
+ def save(self, *args, **kwargs):
+ """
+ ΠΠ΅ΡΠ΅ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΠ΅ΠΌ ΠΌΠ΅ΡΠΎΠ΄ save Π΄Π»Ρ Π°Π²ΡΠΎΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π²ΡΡΠΈΡΠ»Π΅Π½ΠΈΡ Ρ
Π΅ΡΠ°
+ """
+ # ΠΡΡΠΈΡΠ»ΡΠ΅ΠΌ Ρ
Π΅Ρ ΠΏΠ΅ΡΠ΅Π΄ ΡΠΎΡ
ΡΠ°Π½Π΅Π½ΠΈΠ΅ΠΌ
+ if self.image:
+ self.image_hash = self.get_image_sha1_hash()
+
+ super().save(*args, **kwargs)
+
+ def update_hash(self):
+ """
+ ΠΠ±Π½ΠΎΠ²Π»ΡΠ΅Ρ Ρ
Π΅Ρ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΡ (ΠΏΠΎΠ»Π΅Π·Π½ΠΎ Π΅ΡΠ»ΠΈ ΡΠ°ΠΉΠ» Π±ΡΠ» ΠΈΠ·ΠΌΠ΅Π½Π΅Π½)
+ """
+ self.image_hash = self.get_image_sha1_hash()
+ self.save(update_fields=['image_hash'])
+
+ @classmethod
+ def find_by_hash(cls, target_hash):
+ """
+ ΠΠ°Ρ
ΠΎΠ΄ΠΈΡ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΠ΅ ΠΏΠΎ SHA1 Ρ
Π΅ΡΡ
+
+ Args:
+ target_hash (str): SHA1 Ρ
Π΅Ρ Π΄Π»Ρ ΠΏΠΎΠΈΡΠΊΠ°
+
+ Returns:
+ QuerySet: ΠΠ°ΠΉΠ΄Π΅Π½Π½ΡΠ΅ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΡ
+ """
+ return cls.objects.filter(image_hash=target_hash)
+
+ @classmethod
+ def find_duplicates(cls):
+ """
+ ΠΠ°Ρ
ΠΎΠ΄ΠΈΡ Π΄ΡΠ±Π»ΠΈΠΊΠ°ΡΡ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΠΉ ΠΏΠΎ Ρ
Π΅ΡΡ
+
+ Returns:
+ dict: Π‘Π»ΠΎΠ²Π°ΡΡ Π³Π΄Π΅ ΠΊΠ»ΡΡ - Ρ
Π΅Ρ, Π·Π½Π°ΡΠ΅Π½ΠΈΠ΅ - ΡΠΏΠΈΡΠΎΠΊ ΠΎΠ±ΡΠ΅ΠΊΡΠΎΠ²
+ """
+ from django.db.models import Count
+
+ # ΠΠ°Ρ
ΠΎΠ΄ΠΈΠΌ Ρ
Π΅ΡΠΈ, ΠΊΠΎΡΠΎΡΡΠ΅ Π²ΡΡΡΠ΅ΡΠ°ΡΡΡΡ Π±ΠΎΠ»ΡΡΠ΅ ΠΎΠ΄Π½ΠΎΠ³ΠΎ ΡΠ°Π·Π°
+ duplicate_hashes = cls.objects.values('image_hash').annotate(
+ count=Count('image_hash')
+ ).filter(count__gt=1, image_hash__isnull=False)
+
+ duplicates = {}
+ for item in duplicate_hashes:
+ hash_value = item['image_hash']
+ duplicates[hash_value] = cls.objects.filter(image_hash=hash_value)
+
+ return duplicates
+
+
+class ImageHashUtility:
+ """
+ Π£ΡΠΈΠ»ΠΈΡΠ°ΡΠ½ΡΠΉ ΠΊΠ»Π°ΡΡ Π΄Π»Ρ ΡΠ°Π±ΠΎΡΡ Ρ Ρ
Π΅ΡΠ°ΠΌΠΈ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΠΉ
+ """
+
+ @staticmethod
+ def calculate_file_hash(file_path):
+ """
+ ΠΡΡΠΈΡΠ»ΡΠ΅Ρ SHA1 Ρ
Π΅Ρ ΡΠ°ΠΉΠ»Π° ΠΏΠΎ ΠΏΡΡΠΈ
+
+ Args:
+ file_path (str): ΠΡΡΡ ΠΊ ΡΠ°ΠΉΠ»Ρ
+
+ Returns:
+ str: SHA1 Ρ
Π΅Ρ ΠΈΠ»ΠΈ None ΠΏΡΠΈ ΠΎΡΠΈΠ±ΠΊΠ΅
+ """
+ try:
+ with open(file_path, 'rb') as f:
+ file_content = f.read()
+ return hashlib.sha1(file_content).hexdigest()
+ except Exception as e:
+ print(f"ΠΡΠΈΠ±ΠΊΠ° ΠΏΡΠΈ Π²ΡΡΠΈΡΠ»Π΅Π½ΠΈΠΈ Ρ
Π΅ΡΠ° ΡΠ°ΠΉΠ»Π° {file_path}: {e}")
+ return None
+
+ @staticmethod
+ def calculate_django_file_hash(django_file):
+ """
+ ΠΡΡΠΈΡΠ»ΡΠ΅Ρ SHA1 Ρ
Π΅Ρ Django ΡΠ°ΠΉΠ»Π° (FileField/ImageField)
+
+ Args:
+ django_file: ΠΠ±ΡΠ΅ΠΊΡ Django ΡΠ°ΠΉΠ»Π°
+
+ Returns:
+ str: SHA1 Ρ
Π΅Ρ ΠΈΠ»ΠΈ None ΠΏΡΠΈ ΠΎΡΠΈΠ±ΠΊΠ΅
+ """
+ if not django_file:
+ return None
+
+ try:
+ with django_file.open('rb') as f:
+ file_content = f.read()
+ return hashlib.sha1(file_content).hexdigest()
+ except Exception as e:
+ print(f"ΠΡΠΈΠ±ΠΊΠ° ΠΏΡΠΈ Π²ΡΡΠΈΡΠ»Π΅Π½ΠΈΠΈ Ρ
Π΅ΡΠ° Django ΡΠ°ΠΉΠ»Π°: {e}")
+ return None
+
+ @staticmethod
+ def compare_images_by_hash(image1, image2):
+ """
+ Π‘ΡΠ°Π²Π½ΠΈΠ²Π°Π΅Ρ Π΄Π²Π° ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΡ ΠΏΠΎ ΠΈΡ
Ρ
Π΅ΡΠ°ΠΌ
+
+ Args:
+ image1: ΠΠ΅ΡΠ²ΠΎΠ΅ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΠ΅ (ImageWithHash ΠΎΠ±ΡΠ΅ΠΊΡ)
+ image2: ΠΡΠΎΡΠΎΠ΅ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΠ΅ (ImageWithHash ΠΎΠ±ΡΠ΅ΠΊΡ)
+
+ Returns:
+ bool: True Π΅ΡΠ»ΠΈ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΡ ΠΎΠ΄ΠΈΠ½Π°ΠΊΠΎΠ²ΡΠ΅, False Π΅ΡΠ»ΠΈ ΡΠ°Π·Π½ΡΠ΅
+ """
+ if not image1.image_hash or not image2.image_hash:
+ return False
+
+ return image1.image_hash == image2.image_hash
\ No newline at end of file
diff --git a/imagehash/settings.py b/imagehash/settings.py
new file mode 100644
index 0000000..8a5df27
--- /dev/null
+++ b/imagehash/settings.py
@@ -0,0 +1,99 @@
+import os
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-example-key-for-demo-purposes-only'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = ['*']
+
+# Application definition
+INSTALLED_APPS = [
+ 'django.contrib.admin',
+ 'django.contrib.auth',
+ 'django.contrib.contenttypes',
+ 'django.contrib.sessions',
+ 'django.contrib.messages',
+ 'django.contrib.staticfiles',
+ 'imagehash', # ΠΠ°ΡΠ΅ ΠΏΡΠΈΠ»ΠΎΠΆΠ΅Π½ΠΈΠ΅
+]
+
+MIDDLEWARE = [
+ 'django.middleware.security.SecurityMiddleware',
+ 'django.contrib.sessions.middleware.SessionMiddleware',
+ 'django.middleware.common.CommonMiddleware',
+ 'django.middleware.csrf.CsrfViewMiddleware',
+ 'django.contrib.auth.middleware.AuthenticationMiddleware',
+ 'django.contrib.messages.middleware.MessageMiddleware',
+ 'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'urls'
+
+TEMPLATES = [
+ {
+ 'BACKEND': 'django.template.backends.django.DjangoTemplates',
+ 'DIRS': [BASE_DIR / 'templates'],
+ 'APP_DIRS': True,
+ 'OPTIONS': {
+ 'context_processors': [
+ 'django.template.context_processors.debug',
+ 'django.template.context_processors.request',
+ 'django.contrib.auth.context_processors.auth',
+ 'django.contrib.messages.context_processors.messages',
+ ],
+ },
+ },
+]
+
+WSGI_APPLICATION = 'imagehash.wsgi.application'
+
+# Database
+DATABASES = {
+ 'default': {
+ 'ENGINE': 'django.db.backends.sqlite3',
+ 'NAME': BASE_DIR / 'db.sqlite3',
+ }
+}
+
+# Password validation
+AUTH_PASSWORD_VALIDATORS = [
+ {
+ 'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+ },
+ {
+ 'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+ },
+ {
+ 'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+ },
+ {
+ 'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+ },
+]
+
+# Internationalization
+LANGUAGE_CODE = 'ru-ru'
+TIME_ZONE = 'Europe/Moscow'
+USE_I18N = True
+USE_TZ = True
+
+# Static files (CSS, JavaScript, Images)
+STATIC_URL = '/static/'
+STATIC_ROOT = BASE_DIR / 'staticfiles'
+
+# Media files
+MEDIA_URL = '/media/'
+MEDIA_ROOT = BASE_DIR / 'media'
+
+# Default primary key field type
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+# ΠΠ°ΡΡΡΠΎΠΉΠΊΠΈ Π΄Π»Ρ Π·Π°Π³ΡΡΠ·ΠΊΠΈ ΡΠ°ΠΉΠ»ΠΎΠ²
+FILE_UPLOAD_MAX_MEMORY_SIZE = 10 * 1024 * 1024 # 10MB
+DATA_UPLOAD_MAX_MEMORY_SIZE = 10 * 1024 * 1024 # 10MB
\ No newline at end of file
diff --git a/imagehash/urls.py b/imagehash/urls.py
new file mode 100644
index 0000000..0ebe443
--- /dev/null
+++ b/imagehash/urls.py
@@ -0,0 +1,11 @@
+from django.urls import path
+from . import views
+
+urlpatterns = [
+ path('', views.index, name='index'),
+ path('api/upload/', views.upload_image, name='upload_image'),
+ path('api/hash/
+
+
+
+
+
\ No newline at end of file
diff --git a/urls.py b/urls.py
new file mode 100644
index 0000000..c1497c1
--- /dev/null
+++ b/urls.py
@@ -0,0 +1,13 @@
+from django.contrib import admin
+from django.urls import path, include
+from django.conf import settings
+from django.conf.urls.static import static
+
+urlpatterns = [
+ path('admin/', admin.site.urls),
+ path('', include('imagehash.urls')),
+]
+
+# ΠΠ±ΡΠ»ΡΠΆΠΈΠ²Π°Π½ΠΈΠ΅ ΠΌΠ΅Π΄ΠΈΠ° ΡΠ°ΠΉΠ»ΠΎΠ² Π² ΡΠ΅ΠΆΠΈΠΌΠ΅ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠΈ
+if settings.DEBUG:
+ urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
\ No newline at end of file
π Django ImageField SHA1 Hash Calculator
+ + +
+
+
+
+ π€ ΠΠ°Π³ΡΡΠ·ΠΈΡΡ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΠ΅
+ + +
+
+
+
+ π ΠΠΎΠΈΡΠΊ ΠΏΠΎ SHA1 Ρ Π΅ΡΡ
+ + + + +
+
+
+
+ β‘ ΠΡΡΡΡΠΎΠ΅ Π²ΡΡΠΈΡΠ»Π΅Π½ΠΈΠ΅ Ρ Π΅ΡΠ°
+ + + +π· ΠΠ°Π³ΡΡΠΆΠ΅Π½Π½ΡΠ΅ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΡ
+
+ {% for image in images %}
+
+
+ 
+
+ {% empty %}
+
+
+
+ {{ image.name }}
+SHA1:
+{{ image.image_hash|default:"ΠΠ΅ Π²ΡΡΠΈΡΠ»Π΅Π½" }}
+ ΠΠ°Π³ΡΡΠΆΠ΅Π½ΠΎ: {{ image.created_at|date:"d.m.Y H:i" }}
+ΠΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΡ Π½Π΅ Π·Π°Π³ΡΡΠΆΠ΅Π½Ρ
+ {% endfor %} +