In progress: Jeeves communication is now based on SQLAlchemy

pyjeeves/config.py

@@ -0,0 +1,70 @@
+from logging.config import dictConfig
+import os
+import yaml
+
+
+defaults = {
+    'alembic': {
+        'script_location': 'migrations',
+        'sqlalchemy.url': ''},
+    'databases': {
+        'meta': {},
+        'raw': {}},
+    'logging': {
+        'formatters': {
+            'simpleFormatter': {
+                'format': '%(asctime)s - %(name)s - %(levelname)s - %(message)s'}},
+        'handlers': {
+            'consoleHandler': {
+                'class': 'logging.StreamHandler',
+                'formatter': 'simpleFormatter',
+                'level': 'DEBUG',
+                'stream': 'ext://sys.stdout'},
+            'fileHandler': {
+                'class': 'logging.FileHandler',
+                'filename': 'pyjeeves.log',
+                'formatter': 'simpleFormatter',
+                'level': 'INFO'}},
+            'loggers': {
+                'PyJeeves': {'handlers': ['fileHandler'],
+                             'level': 'DEBUG'},
+                'alembic': {'handlers': ['fileHandler'],
+                            'level': 'INFO'},
+                'sqlalchemy': {'handlers': ['fileHandler'],
+                               'level': 'WARN',
+                               'qualname': 'sqlalchemy.engine'}},
+            'root': {'handlers': ['consoleHandler'], 'level': 'DEBUG'},
+            'version': 1},
+    'sync_interval': 60}
+
+
+try:
+    with open("config.yml", 'r') as ymlfile:
+        file_config = yaml.load(ymlfile, Loader=yaml.FullLoader)
+        config = {**defaults, **file_config}  # Syntax introduced in Python 3.5
+except IOError as e:
+    pass
+
+dictConfig(config['logging'])
+
+config['debug'] = os.getenv('ENVIRONEMENT') == 'DEV'
+
+DB_CONTAINER = os.getenv('APPLICATION_DB_CONTAINER', 'db')
+config['databases']['raw'] = {
+    'user': os.getenv('JEEVES_USER', 'jvsdbo'),
+    'pw': os.getenv('JEEVES_PW', ''),
+    'host': os.getenv('JEEVES_HOST', ''),
+    'port': os.getenv('JEEVES_PORT', 1433),
+    'db': os.getenv('JEEVES_DB', ''),
+}
+config['databases']['meta'] = {
+    'user': os.getenv('META_MYSQL_USER', 'pyjeeves'),
+    'pw': os.getenv('META_MYSQL_PW', ''),
+    'host': os.getenv('META_MYSQL_HOST', DB_CONTAINER),
+    'port': os.getenv('META_MYSQL_PORT', 3306),
+    'db': os.getenv('META_MYSQL_DB', 'pyjeeves'),
+}
+# DB_URI = 'postgresql://%(user)s:%(pw)s@%(host)s:%(port)s/%(db)s' % POSTGRES
+config['alembic']['sqlalchemy.url'] = (
+    'mysql+pymysql://%(user)s:%(pw)s@%(host)s:%(port)s/%(db)s?charset=utf8mb4' %
+    config['databases']['meta'])