Fix config for bool values.

config.py

@@ -6,12 +6,42 @@ BASEDIR = os.path.abspath(os.path.dirname(__file__))
 load_dotenv(os.path.join(BASEDIR, ".env"))
 
 
+BOOL_STR = {
+    0: False,
+    1: True,
+    "": False,
+    "0": False,
+    "1": True,
+    "f": False,
+    "false": False,
+    "o": True,
+    "on": True,
+    "n": False,
+    "t": True,
+    "true": True,
+    True: True,
+    "v": True,
+    "vrai": True,
+    "y": True,
+}
+
+def to_bool(x) -> bool:
+    """Cast value to boolean.
+    The value may be encoded as a string
+    False are: empty, "0", "False", "f", "n".
+    True: all other values, such as "1", "True", "foo", "bar"...
+    Case insentive, ignore leading and trailing spaces.
+    """
+    if isinstance(x, str):
+        return BOOL_STR.get(x.lower().strip(), True)
+    return bool(x)
+
 class Config:
     """General configuration. Mostly loaded from environment via .env"""
 
     FLASK_ENV = None  # # set in subclass
     SECRET_KEY = os.environ.get("SECRET_KEY") or "90e01e751977d4276a4c70d98564b425e"
-    LOG_TO_STDOUT = os.environ.get("LOG_TO_STDOUT")
+    # LOG_TO_STDOUT = os.environ.get("LOG_TO_STDOUT")
     LOG_LEVEL = getattr(logging, os.environ.get("LOG_LEVEL", "INFO"), "INFO")
     MAIL_SERVER = os.environ.get("MAIL_SERVER", "localhost")
     LANGUAGES = ["fr", "en"]  # unused for now
@@ -37,7 +67,7 @@ class Config:
     SCODOC_URL = os.environ.get("SCODOC_URL", "http://localhost:5000")
     SCODOC_LOGIN = os.environ.get("SCODOC_LOGIN", "autosco")
     SCODOC_PASSWORD = os.environ.get("SCODOC_PASSWORD")
-    SCODOC_CHECK_CERTIFICATE = os.environ.get("SCODOC_CHECK_CERTIFICATE", True)
+    SCODOC_CHECK_CERTIFICATE = to_bool(os.environ.get("SCODOC_CHECK_CERTIFICATE", True))
     API_TIMEOUT = 120  # 2 minutes
     API_URL = SCODOC_URL + "/ScoDoc/api"
     SCODOC_DEPT_ACRONYM = os.environ.get("SCODOC_DEPT_ACRONYM", "ESPL")