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class CannotOverwriteExistingCassetteException(Exception):
def __init__(self, *args, **kwargs):
self.cassette = kwargs["cassette"]
self.failed_request = kwargs["failed_request"]
message = self._get_message(kwargs["cassette"], kwargs["failed_request"])
super().__init__(message)
@staticmethod
def _get_message(cassette, failed_request):
"""Get the final message related to the exception"""
# Get the similar requests in the cassette that
# have match the most with the request.
best_matches = cassette.find_requests_with_most_matches(failed_request)
if best_matches:
# Build a comprehensible message to put in the exception.
best_matches_msg = (
f"Found {len(best_matches)} similar requests "
f"with {len(best_matches[0][2])} different matcher(s) :\n"
)
for idx, best_match in enumerate(best_matches, start=1):
request, succeeded_matchers, failed_matchers_assertion_msgs = best_match
best_matches_msg += (
f"\n{idx} - ({request!r}).\n"
f"Matchers succeeded : {succeeded_matchers}\n"
"Matchers failed :\n"
)
for failed_matcher, assertion_msg in failed_matchers_assertion_msgs:
best_matches_msg += f"{failed_matcher} - assertion failure :\n{assertion_msg}\n"
else:
best_matches_msg = "No similar requests, that have not been played, found."
return (
f"Can't overwrite existing cassette ({cassette._path!r}) in "
f"your current record mode ({cassette.record_mode!r}).\n"
f"No match for the request ({failed_request!r}) was found.\n"
f"{best_matches_msg}"
)
class UnhandledHTTPRequestError(KeyError):
"""Raised when a cassette does not contain the request we want."""
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