downgrading the path handling problem error to a warning + a hack for GMX needed some update

Author: tobixen

caldav/compatibility_hints.py

@@ -555,8 +555,6 @@
     "no_search_openended",
     "no_sync_token",
     "no_scheduling_calendar_user_address_set",
-    "rate_limited",
-    #"broken_expand_on_exceptions", ## should be implied by no_expand?
 ]
 
 # fmt: on

caldav/davobject.py

@@ -216,11 +216,11 @@ def _query(
             body = to_wire(body)
             if (
                 ret.status == 500
-                and b"getetag" not in body
-                and b"<C:calendar-data/>" in body
+                and b"D:getetag" not in body
+                and b"<C:calendar-data" in body
             ):
                 body = body.replace(
-                    b"<C:calendar-data/>", b"<D:getetag/><C:calendar-data/>"
+                    b"<C:calendar-data", b"<D:getetag/><C:calendar-data"
                 )
                 return self._query(
                     body, depth, query_method, url, expected_return_value
@@ -298,7 +298,7 @@ def get_properties(
                 ## ... but it gets worse ... when doing a propfind on the
                 ## principal, the href returned may be without the slash.
                 ## Such inconsistency is clearly a bug.
-                log.error(
+                log.warning(
                     "potential path handling problem with ending slashes.  Path given: %s, path found: %s.  %s"
                     % (path, exchange_path, error.ERR_FRAGMENT)
                 )
@@ -323,15 +323,15 @@ def get_properties(
             ## Ref https://github.com/python-caldav/caldav/issues/191 ...
             ## let's be pragmatic and just accept whatever the server is
             ## throwing at us.  But we'll log an error anyway.
-            log.error(
+            log.warning(
                 "Possibly the server has a path handling problem, possibly the URL configured is wrong.\n"
                 "Path expected: %s, path found: %s %s.\n"
                 "Continuing, probably everything will be fine"
                 % (path, str(list(properties)), error.ERR_FRAGMENT)
             )
             rc = list(properties.values())[0]
         else:
-            log.error(
+            log.warning(
                 "Possibly the server has a path handling problem.  Path expected: %s, paths found: %s %s"
                 % (path, str(list(properties)), error.ERR_FRAGMENT)
             )

caldav/lib/error.py

@@ -62,7 +62,7 @@ def assert_(condition: object) -> None:
             raise
 
 
-ERR_FRAGMENT: str = "Please consider raising an issue at https://github.com/python-caldav/caldav/issues or reach out to t-caldav@tobixen.no, include this error and the traceback and tell what server you are using"
+ERR_FRAGMENT: str = "Please consider raising an issue at https://github.com/python-caldav/caldav/issues or reach out to t-caldav@tobixen.no, include this error and the traceback (if any) and tell what server you are using"
 
 
 class DAVError(Exception):