Support dynamically loaded modules.

web/config.py

@@ -31,9 +31,9 @@ APP_SUFFIX = 'dev'
 # The application version string, constructed from the components
 APP_VERSION = '%s.%s.%s-%s' % (APP_MAJOR, APP_MINOR, APP_REVISION, APP_SUFFIX)
 
-# DO NOT CHANGE!
-# List of modules to enable
-MODULES = [ 'utils' ]
+# DO NOT CHANGE UNLESS YOU KNOW WHAT YOU ARE DOING!
+# List of modules to skip when dynamically loading
+MODULE_BLACKLIST = [ ]
 
 ##########################################################################
 # Log settings

web/pgAdmin4.py

@@ -13,8 +13,7 @@ import os, sys
 
 # We need to include the root directory in sys.path to ensure that we can
 # find everything we need when running in the standalone runtime.
-sys.path.append(os.path.dirname(os.path.realpath(__file__)))
-sys.path.append(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'pgadmin'))
+sys.path.insert(0, os.path.dirname(os.path.realpath(__file__)))
 
 import config
 from pgadmin import create_app

web/pgadmin/__init__.py

@@ -9,7 +9,7 @@
 #
 ##########################################################################
 
-import logging
+import inspect, logging, os
 from flask import Flask
 
 # Configuration settings
@@ -54,12 +54,26 @@ def create_app(app_name=config.APP_NAME):
     app.logger.info('################################################################################')
     app.logger.info('Starting %s v%s...', config.APP_NAME, config.APP_VERSION)
     app.logger.info('################################################################################')
- 
+
     # Register all the modules
-    for m in config.MODULES:
-        app.logger.debug('Loading module %s' % m)
-        module = __import__(m, globals(), locals(), ['views'], -1)
-        app.register_blueprint(module.views.blueprint)
+    path = os.path.dirname(os.path.realpath(__file__))
+    files = os.listdir(path)
+    for f in files:
+        d = os.path.join(path, f)
+        if os.path.isdir(d) and os.path.isfile(os.path.join(d, '__init__.py')):
+
+            if f in config.MODULE_BLACKLIST:
+                app.logger.info('Skipping blacklisted module: %s' % f)
+                continue
+
+            # Looks like a module, so import it, and register the blueprint if present
+            # We rely on the ordering of syspath to ensure we actually get the right
+            # module here.
+            app.logger.info('Examining potential module: %s' % d)
+            module = __import__(f, globals(), locals(), ['views'], -1)
+            if hasattr(module.views, 'blueprint'):
+                app.logger.info('Registering blueprint module: %s' % f)
+                app.register_blueprint(module.views.blueprint)
 
     app.logger.debug('URL map: %s' % app.url_map)