Throw a FinTSNoResponseError if no HISPA1 is returned

diff --git a/fints/client.py b/fints/client.py
index 8bae84e04eaa7b847f080293fb28536db98d70a7..8bc225c686efba639e1bce148cf18fca4a6baea0 100644 (file)
--- a/fints/client.py
+++ b/fints/client.py
@@ -408,7 +408,7 @@ class FinTS3Client:
             response = dialog.send(HKSPA1())
             
         self.accounts = []
-        for seg in response.find_segments(HISPA1):
+        for seg in response.find_segments(HISPA1, throw=True):
             self.accounts.extend(seg.accounts)
 
         return [a for a in [acc.as_sepa_account() for acc in self.accounts] if a]

diff --git a/fints/exceptions.py b/fints/exceptions.py
index 57ae05825c9aeb85ace4b9f4f9860ab23e2d8c60..4d6919e0e08920621378fa62a70bf9b1b8677b0a 100644 (file)
--- a/fints/exceptions.py
+++ b/fints/exceptions.py
@@ -32,3 +32,7 @@ class FinTSConnectionError(FinTSError):
 
 class FinTSUnsupportedOperation(FinTSError):
     pass
+
+
+class FinTSNoResponseError(FinTSError):
+    pass

diff --git a/fints/types.py b/fints/types.py
index b44a12f49ed44fd856815567fd0fca0da54c1e51..8adca2d2423a98b811f72d8a345be09a6cdb9879 100644 (file)
--- a/fints/types.py
+++ b/fints/types.py
@@ -1,6 +1,7 @@
 from collections import Iterable, OrderedDict
 from contextlib import suppress
 
+from .exceptions import FinTSNoResponseError
 from .utils import SubclassesMixin
 
 
@@ -244,7 +245,7 @@ class SegmentSequence:
                                  first_line_suffix=docstring)
         stream.write((prefix + level * indent) + "]){}\n".format(trailer))
 
-    def find_segments(self, query=None, version=None, callback=None, recurse=True):
+    def find_segments(self, query=None, version=None, callback=None, recurse=True, throw=False):
         """Yields an iterable of all matching segments.
 
         :param query: Either a str or class specifying a segment type (such as 'HNHBK', or :class:`~fints.segments.message.HNHBK3`), or a list or tuple of strings or classes.
@@ -253,9 +254,11 @@ class SegmentSequence:
                         If a list/tuple is specified, segments returning any matching version will be returned.
         :param callback: A callable that will be given the segment as its sole argument and must return a boolean indicating whether to return this segment.
         :param recurse: If True (the default), recurse into SegmentSequenceField values, otherwise only look at segments in this SegmentSequence.
+        :param throw: If True, a FinTSNoResponseError is thrown if no result is found. Defaults to False.
 
         The match results of all given parameters will be AND-combined.
         """
+        found_something = False
 
         if query is None:
             query = []
@@ -275,12 +278,20 @@ class SegmentSequence:
                     ((not version) or any(s.header.version == v for v in version)) and \
                     callback(s):
                 yield s
+                found_something = True
 
             if recurse:
                 for name, field in s._fields.items():
                     val = getattr(s, name)
                     if val and hasattr(val, 'find_segments'):
-                        yield from val.find_segments(query=query, version=version, callback=callback, recurse=recurse)
+                        for v in val.find_segments(query=query, version=version, callback=callback, recurse=recurse):
+                            yield v
+                            found_something = True
+
+        if throw and not found_something:
+            raise FinTSNoResponseError(
+                'The bank\'s response did not contain a response to your request, please inspect debug log.'
+            )
 
     def find_segment_first(self, *args, **kwargs):
         """Finds the first matching segment.