Remove emulator usage (#16)

Author: Shillaker

.github/workflows/tests.yml

@@ -25,10 +25,8 @@ jobs:
         run: git checkout --force ci-branch
       - name: "Update cpp submodule"
         run: git submodule update third-party/cpp
-      - name: "Install base requirements"
+      - name: "Install requirements"
         run: pip3 install -r requirements.txt
-      - name: "Install pyfaasm requirements"
-        run: pip3 install -r pyfaasm/test_requirements.txt
       - name: "Python formatting check"
         run: ./bin/check_python.sh
       - name: "Check C/C++ formatting"
@@ -58,11 +56,9 @@ jobs:
         run: git fetch origin ${GITHUB_REF}:ci-branch
       - name: "Check out branch"
         run: git checkout --force ci-branch
-      - name: "Install base requirements"
+      - name: "Install requirements"
         run: pip3 install -r requirements.txt
-      - name: "Install pyfaasm requirements"
-        run: pip3 install -r pyfaasm/test_requirements.txt
-      - name: "Install pyfaasm"
-        run: inv pyfaasm.native
-      - name: "Run pyfaasm tests"
-        run: inv pyfaasm.test
+      - name: "Build Python function"
+        run: inv func
+      - name: "Check copying Python functions locally"
+        run: inv func.upload-all --local

Dockerfile

@@ -12,9 +12,7 @@ RUN ./install_build_python.sh
 
 # Hack to avoid reinstalling Python libs every time
 COPY requirements.txt .
-COPY pyfaasm/test_requirements.txt .
 RUN pip3 install -r requirements.txt
-RUN pip3 install -r test_requirements.txt
 
 # Clone current tag
 WORKDIR /code

pyfaasm/pyfaasm/core.py

@@ -7,13 +7,6 @@
 # Faasm host interface:
 # https://github.com/faasm/faasm/blob/master/include/faasm/host_interface.h
 
-NATIVE_SUPPORTING_LIBS = [
-    "libpistache.so",
-    "libfaabricmpi.so",
-]
-
-NATIVE_INTERFACE_LIB = "libemulator.so"
-
 env_cache = dict()
 
 input_data = None
@@ -37,10 +30,6 @@ def set_env_bool(var_name, value):
     env_cache[var_name] = value
 
 
-def is_wasm():
-    return get_env_bool("PYTHONWASM")
-
-
 def is_local_chaining():
     return get_env_bool("PYTHON_LOCAL_CHAINING")
 
@@ -59,19 +48,7 @@ def set_local_input_output(value):
 
 def _init_host_interface():
     global _host_interface
-
-    if _host_interface is None:
-        # Wasm and native environments are different
-        if is_wasm():
-            # Wasm expects the main application to handle the relevant calls
-            _host_interface = ctypes.CDLL(None)
-        else:
-            # Load all supporting libs as globally linkable
-            for lib in NATIVE_SUPPORTING_LIBS:
-                ctypes.CDLL(lib, mode=ctypes.RTLD_GLOBAL)
-
-            # Load main Faasm host interface lib
-            _host_interface = ctypes.CDLL(NATIVE_INTERFACE_LIB)
+    _host_interface = ctypes.CDLL(None)
 
 
 def get_input_len():