plint

French poetry validator (local mirror of https://gitlab.com/a3nm/plint)
git clone https://a3nm.net/git/plint/
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pattern.py (1060B)

      1 from plint import error
      2 
      3 
      4 class Pattern:
      5     def __init__(self, metric, my_id="", feminine_id="", constraint=None, hemistiches=None):
      6         self.metric = metric
      7         self.length = None
      8         self.parse_metric()
      9         self.my_id = my_id
     10         self.feminine_id = feminine_id
     11         self.constraint = constraint
     12         if hemistiches:
     13             self.hemistiches = hemistiches
     14 
     15     def parse_metric(self):
     16         """Parse from a metric description"""
     17         try:
     18             verse = [int(x) for x in self.metric.split('/')]
     19             for i in verse:
     20                 if i < 1:
     21                     raise ValueError
     22         except ValueError:
     23             raise error.TemplateLoadError("Metric description should only contain positive integers")
     24         if sum(verse) > 16:
     25             raise error.TemplateLoadError("Metric length limit exceeded")
     26         self.hemistiches = []
     27         self.length = 0
     28         for v in verse:
     29             self.length += v
     30             self.hemistiches.append(self.length)
     31         self.length = self.hemistiches.pop()