Add support for 7zip

Author: SohierDane

Dockerfile.tmpl

@@ -528,6 +528,9 @@ RUN mkdir -p /root/.EasyOCR/model && \
     rm /root/.EasyOCR/model/craft_mlt_25k.zip && \
     /tmp/clean-layer.sh
 
+# Add 7z support
+RUN apt-get install -y p7zip-full
+
 # Tesseract and some associated utility packages
 RUN apt-get install tesseract-ocr -y && \
     pip install pytesseract && \

tests/test_7z.py

@@ -0,0 +1,8 @@
+import subprocess
+import unittest
+
+
+class Test7z(unittest.TestCase):
+    def test_basic(self):
+        result = subprocess.run('which 7z', shell=True, capture_output=True)
+        assert len(result.stdout) > 0