Address Warnings, Remove Redundant Python setup/requirements

build/python/backend/Dockerfile

@@ -147,16 +147,14 @@ RUN mkdir jtr && cd jtr && git init && git remote add origin https://github.com/
   && chmod -R 777 /jtr \
   && chown -R 1001:1001 /jtr
 
-# Install Python packages
-COPY ./build/python/backend/requirements.txt /strelka/requirements.txt
-RUN pip3 install --no-cache-dir -r /strelka/requirements.txt && \
-    pip3 install --index-url https://lief-project.github.io/packages --trusted-host lief.quarkslab.com lief
-
 # Copy Strelka files
 COPY ./src/python/ /strelka/
-COPY ./build/python/backend/setup.py /strelka/setup.py
 COPY ./configs/python/backend/ /etc/strelka/
 
+# Install Python packages
+RUN pip3 install --no-cache-dir -r /strelka/requirements.txt && \
+    pip3 install --index-url https://lief-project.github.io/packages --trusted-host lief.quarkslab.com lief
+
 # Install Strelka
 RUN cd /strelka/ && \
     python3 setup.py -q build && \
@@ -191,7 +189,7 @@ USER $USERNAME
 # Run build checks
 RUN echo '[+] Run build checks' && \
     cd /strelka/strelka/ && \
-    python3 -m pytest -s tests/ && \
+    python3 -m pytest -p no:cacheprovider -s tests/ && \
     if $CONFIG_TESTS; then python3 -m pytest -s tests_configuration/; fi && \
     echo '[+] Done'
 

src/python/setup.py

@@ -5,7 +5,6 @@
 
 setuptools.setup(
     name="strelka",
-    namespace=strelka.__namespace__,
     version=strelka.__version__,
     author="Target Brands, Inc.",
     description="strelka: container-based file analysis at scale",

src/python/strelka/scanners/scan_encrypted_doc.py

@@ -1,4 +1,5 @@
 import io
+import logging
 import os
 import subprocess
 import tempfile
@@ -7,6 +8,9 @@
 
 from strelka import strelka
 
+# Set logging level to INFO to prevent passwords from getting logged
+logging.getLogger("msoffcrypto").setLevel(logging.INFO)
+
 
 def crack_word(
     self,

src/python/strelka/scanners/scan_lsb.py

@@ -9,7 +9,7 @@ class ScanLsb(strelka.Scanner):
 
     def scan(self, data, file, options, expire_at):
         try:
-            image = np.fromstring(data, np.uint8)
+            image = np.frombuffer(data, np.uint8)
             image = cv2.imdecode(image, cv2.IMREAD_COLOR)
             bits = self._get_bits(image)
             bytes_ = self._get_bytes(bits)

src/python/strelka/scanners/scan_nf.py

@@ -22,7 +22,7 @@ class ScanNf(strelka.Scanner):
     def scan(self, data, file, options, expire_at):
         try:
             # Convert image to HSV color space
-            np_array = np.fromstring(data, np.uint8)
+            np_array = np.frombuffer(data, np.uint8)
             np_image = cv2.imdecode(
                 np_array, cv2.IMREAD_IGNORE_ORIENTATION | cv2.IMREAD_COLOR
             )