Validate for single IDless agencies

google / transitfeed

A Python library for reading, validating, and writing transit schedule information in the GTFS format.

https://github.com/google/transitfeed/wiki

Apache License 2.0

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Validate for single IDless agencies #500

Closed laurentg closed 4 years ago

laurentg commented 4 years ago

As stated in the GTFS specification, an agency ID is optional, but only if there is a single agency. If there are multiple agencies defined, ID are mandatory.

I've a fix for this in my fork, preparing a PR with this.