Implement meters and verse positions (0dbec5ef) · Commits · Messerschleifer / Allzweckmesser

allzweckmesser/meters.py

+16 −8

Original line number	Diff line number	Diff line
		@@ -3,19 +3,27 @@

		import re

		from .model import Reading
		from .model import Reading, Position


		def caesurae_together(positions, reward):
		def caesurae_together(position_specs, reward):
		def get_reward(meter: Meter, reading: Reading):
		# TODO: Check if caesurae occur.
		for spec in position_specs:
		position = Position.after(spec[0], reading, meter, spec[1])
		if not position.word_boundary:
		return 0
		else:
		return reward
		return get_reward


		def bridge(position, reward):
		def get_reward(meter: Meter, reading: Reading):
		# TODO: Check if bridge occurs.
		position = Position.after(position_spec[0], reading, meter,
		position_spec[1])
		if position.word_boundary:
		return 0
		else:
		return reward
		return get_reward

		@@ -32,7 +40,7 @@ class Meter:
		self.short_name = short_name

		def match_reading(self, reading: Reading):
		return re.match(self.schema, reading.get_syllable_schema())
		return re.match(self.schema, reading.get_schema())

		def get_rewards(self, reading: Reading):
		return sum(cond(reading) for cond in self.conditions)
		@@ -45,7 +53,7 @@ ALL_METERS = [
		conditions={
		caesurae_together([('mora', 6, 'Trithemimeral'),
		('mora', 14, 'Hephthemimeral')], 2),
		caesurae_together([('mora', 10, 'Penthemimeral')], 1),
		caesurae_together([('mora', 10, 'Penthemimeral')], 2),
		caesurae_together([('mora', 16, 'Bucolic Diaeresis')], 1),
		bridge(('mora', 15, 'Hermann’s Bridge'), 1)
		},

allzweckmesser/model.py

+60 −1

Original line number	Diff line number	Diff line
		@@ -57,6 +57,7 @@ def minimal(full_dict:dict):
		#print(result_dict)
		return result_dict


		class Syllable:

		def __init__(self, syllable: str, span: List[int], idx: int,
		@@ -345,6 +346,17 @@ class Reading:

		return reading

		def get_schema(self):
		schema_list = []
		for token in self.tokens:
		for syllable in token.syllables:
		if syllable.syllable_length == 1:
		schema_list.append('⏑')
		elif syllable.syllable_length == 2:
		schema_list.append('–')
		# If length == 0, don’t append a symbol.
		return ''.join(schema_list)

		def to_dict(self):

		features = dict()
		@@ -356,7 +368,6 @@ class Reading:

		return minimal(features)


		def to_json(self):

		return json.dumps(self.to_dict())
		@@ -431,3 +442,51 @@ class Verse:
		readings_str = '\n'.join(str(r) for r in self.readings)
		return s.format(verse=self.text, reading_num=len(self.readings),
		readings=readings_str)


		class Position:

		def __init__(self, reading: Reading, mora: int, word_boundary: bool,
		token: Token, syllable: Syllable,
		meter: '.meters.Meter' = None, element: int = None):
		self.reading = reading
		self.mora = mora
		self.word_boundary = word_boundary
		self.meter = meter
		self.element = element

		@classmethod
		def after_mora(cls, reading: Reading, mora: int) -> 'Position':
		morae = 0
		position = None
		for token in reading.tokens:
		for i, syllable in enumerate(token.syllables):
		word_boundary = i == 0
		if morae == mora:
		position = cls(
		reading=reading, mora=mora, token=token,
		syllable=syllable, word_boundary=word_boundary,
		meter=meter
		)
		else:
		morae += syllable.syllable_length
		return position

		@classmethod
		def after_element(cls, reading: Reading, meter: '.meters.Meter',
		element: int) -> 'Position':
		# TODO: Implement this.
		pass

		@classmethod
		def after(cls, type: str, reading: Reading, position_number: int,
		meter: '.meters.Meter') -> 'Position':
		if type == 'mora':
		return cls.after_mora(*args, reading, position_number)
		elif type == 'element':
		return cls.after_element(*args, reading, meter, position_number)
		else:
		raise ValueError(
		'The after type has to be "mora" or "element", but is {!r}'
		.format(spec)
		)