Merge branch 'dockerfile-python3' of https://github.com/amfl/evennia into amfl-dockerfile-python3

Dockerfile

@@ -27,13 +27,13 @@
 # as a base for creating your own custom containerized Evennia game. For more
 # info, see https://github.com/evennia/evennia/wiki/Running%20Evennia%20in%20Docker .
 #
-FROM alpine
+FROM python:3.7-alpine
 
 LABEL maintainer="www.evennia.com"
 
 # install compilation environment
-RUN apk update && apk add bash gcc jpeg-dev musl-dev procps py-pip \
-py-setuptools py2-openssl python python-dev zlib-dev gettext
+RUN apk update && apk add bash gcc jpeg-dev musl-dev procps \
+libffi-dev openssl-dev zlib-dev gettext
 
 # add the files required for pip installation
 COPY ./setup.py /usr/src/evennia/

evennia/server/evennia_launcher.py

@@ -1295,18 +1295,6 @@ def check_main_evennia_dependencies():
     if error:
         sys.exit()
 
-    # fix a common zope issue with a missing __init__ file
-    zope_interface = importlib.import_module("zope.interface")
-    expected_init_path = os.path.join(
-        os.path.dirname(os.path.dirname(zope_interface.__file__)), "__init__.py")
-    if not os.path.exists(expected_init_path):
-        # add an empty missing __init__.py file to fix the problem
-        with open(expected_init_path, 'w') as zope_init_file:
-            zope_init_file.write("")
-        print("Note: zope_interface.__init__.py not found. This is a known issue with that package."
-              "\nEvennia auto-created it at {}.".format(
-                    expected_init_path))
-
     # return True/False if error was reported or not
     return not error