Modified bindings to not error out if initialization doesn't work fro…

…m beggining. Note, subsequent initialization can cause issues.

ci/Dockerfile

@@ -4,12 +4,6 @@ RUN apt-get update && apt-get install -y wget build-essential cmake pkg-config l
 
 ADD ci/docker_dependencies.sh .
 RUN ./docker_dependencies.sh
-RUN wget https://github.com/libusb/libusb/releases/download/v1.0.24/libusb-1.0.24.tar.bz2
-RUN tar xf libusb-1.0.24.tar.bz2
-RUN cd libusb-1.0.24 && \
-    ./configure --disable-udev && \
-    make -j && make install
-
 
 RUN pip install -U pip && pip install --extra-index-url https://www.piwheels.org/simple/ --prefer-binary opencv-python
 

generate_stubs.py

@@ -20,6 +20,13 @@
     # CWD to to extdir where the built module can be found to extract the types
     env = os.environ
     env['PYTHONPATH'] = f'{DIRECTORY}{os.pathsep}{env.get("PYTHONPATH", "")}'
+
+    # Test importing depthai after PYTHONPATH is specified
+    try:
+        import depthai
+    except Exception as ex:
+        print(f'Could not import depthai: {ex}')
+
     print(f'PYTHONPATH set to {env["PYTHONPATH"]}')
     subprocess.check_call(['stubgen', '-p', MODULE_NAME, '-o', f'{DIRECTORY}'], cwd=DIRECTORY, env=env)
 

src/py_bindings.cpp

@@ -79,6 +79,10 @@ PYBIND11_MODULE(depthai, m)
     }
 
     // Call dai::initialize on 'import depthai' to initialize asap with additional information to print
-    dai::initialize(std::string("Python bindings - version: ") + DEPTHAI_PYTHON_VERSION + " from " + DEPTHAI_PYTHON_COMMIT_DATETIME + " build: " + DEPTHAI_PYTHON_BUILD_DATETIME, installSignalHandler);
+    try {
+        dai::initialize(std::string("Python bindings - version: ") + DEPTHAI_PYTHON_VERSION + " from " + DEPTHAI_PYTHON_COMMIT_DATETIME + " build: " + DEPTHAI_PYTHON_BUILD_DATETIME, installSignalHandler);
+    } catch (const std::exception&) {
+        // ignore, will be initialized later on if possible
+    }
 
 }