old_contents: """Validate GTFS"""
  import os
  
  import mzgtfs.feed
  import mzgtfs.validation
  
  import task
  
  class FeedEaterValidate(task.FeedEaterTask):
    def run(self):
      # Validate feeds
      self.log("===== Feed: %s ====="%self.feedid)
      feed = self.registry.feed(self.feedid)
      filename = self.filename or os.path.join(self.workdir, '%s.zip'%feed.onestop())
      report = os.path.join(self.workdir, '%s.html'%feed.onestop())
      self.log("Validating: %s"%filename)
      gtfsfeed = mzgtfs.feed.Feed(filename)    
      validator = mzgtfs.validation.ValidationReport()
      # gtfsfeed.validate(validator)
      gtfsfeed.validate_feedvalidator(validator, report=report)
      # validator.report()
      self.log("Validation report:")
      if not validator.exceptions:
        self.log("No errors")
      for e in validator.exceptions:
        self.log("%s: %s"%(e.source, e.message))
      
  if __name__ == "__main__":
    task = FeedEaterValidate.from_args()
    task.run()
  
new_contents: """Validate GTFS"""
  import os
  
  import mzgtfs.feed
  import mzgtfs.validation
  
  import task
  
  class FeedEaterValidate(task.FeedEaterTask):
    def __init__(self, *args, **kwargs):
      super(FeedEaterValidate, self).__init__(*args, **kwargs)
      self.feedvalidator = kwargs.get('feedvalidator')
  
    def parser(self):
      parser = super(FeedEaterValidate, self).parser()
      parser.add_argument(
        '--feedvalidator',
        help='Path to feedvalidator.py'
      )  
      return parser
      
    def run(self):
      # Validate feeds
      self.log("===== Feed: %s ====="%self.feedid)
      feed = self.registry.feed(self.feedid)
      filename = self.filename or os.path.join(self.workdir, '%s.zip'%feed.onestop())
      report = os.path.join(self.workdir, '%s.html'%feed.onestop())
      self.log("Validating: %s"%filename)
      gtfsfeed = mzgtfs.feed.Feed(filename)    
      validator = mzgtfs.validation.ValidationReport()
      # gtfsfeed.validate(validator)
      gtfsfeed.validate_feedvalidator(
        validator, 
        feedvalidator=self.feedvalidator,
        report=report,
      )
      # validator.report()
      self.log("Validation report:")
      if not validator.exceptions:
        self.log("No errors")
      for e in validator.exceptions:
        self.log("%s: %s"%(e.source, e.message))
      
  if __name__ == "__main__":
    task = FeedEaterValidate.from_args()
    task.run()
  
subject: Add --feedvaldiator option to validator