def test_compound_expression_with_word_break_in_relexp(wf):
sc = parser.compile("CHANGE BEGIN /o/ -> /we/ | #[+consonantal]_ END")[0]
words = [
wf.make_word(w) for w in ["ok.to", "a.po.lo", "te.o.lo", "kon.dre.lo"]
]
new_words = [repr(sc.apply(w)) for w in words]
assert new_words == ["/ok.to/", "/a.po.lo/", "/te.o.lo/", "/kwen.dre.lo/"]
def test_word_break_final_in_relexp(wf):
sc = parser.compile("CHANGE BEGIN /o/ -> /u/ | _# END")[0]
words = [
wf.make_word(w) for w in ["ok.to", "a.po.lo", "te.o.lo", "kon.dre.lo"]
]
new_words = [repr(sc.apply(w)) for w in words]
assert new_words == ["/ok.tu/", "/a.po.lu/", "/te.o.lu/", "/kon.dre.lu/"]
def test_simple_conditional_with_relexp(wf):
sc = parser.compile("""
CHANGE BEGIN
/a/ => /e/ | _[+front]
=> /o/
END
""")[0]
w = wf.make_word("ko'raj.ka")
nw = sc.apply(w)
assert repr(nw) == "/ko.'rej.ko/"
def test_multiple_conditional_with_relexp(wf):
sc = parser.compile("""
CHANGE BEGIN
{/a/, /aː/} => {/e/, /eː/} | _[+front]
=> {/ə/, /oː/}
END
""")[0]
word1 = wf.make_word("ka.laj'kaː")
word2 = wf.make_word("paː'jet.na")
nw1 = sc.apply(word1)
nw2 = sc.apply(word2)
assert repr(nw1) == "/kə.lej.'koː/"
assert repr(nw2) == "/peː.'jet.nə/"
def test_replace_by_feature_conditional_with_relexp(wf):
sc = parser.compile("""
CHANGE BEGIN
[+sibilant] => /0/ | [-consonantal]_[-consonantal]
=> /h/
END
""")[0]
words = [
wf.make_word(w)
for w in ["sa.lo.ka", "ke.se.nam", "pas.ko.ne", "lak.si.nam", "a.tas"]
]
new_words = [repr(sc.apply(w)) for w in words]
assert new_words == [
"/ha.lo.ka/", "/ke.e.nam/", "/pah.ko.ne/", "/lak.hi.nam/", "/a.tah/"
]
def test_change_feature_conditional_with_relexp(wf):
sc = parser.compile("""
CHANGE BEGIN
[+sibilant] => [+voice] | [-consonantal]_[-consonantal]
=> [+front] | _[-consonantal +front]
=> [+sibilant]
END
""")[0]
w1 = wf.make_word("mak'si.ra")
w2 = wf.make_word("ma'sa.la")
w3 = wf.make_word("pe'si.ka")
w4 = wf.make_word("sa'mo.ŋe")
nws = [repr(sc.apply(w)) for w in [w1, w2, w3, w4]]
assert nws == ["/mak.'ɕi.ra/", "/ma.'za.la/", "/pe.'ʑi.ka/", "/sa.'mo.ŋe/"]
def simulate(parent: str, language: str, date=None, project_path='.'):
"Simulate the sound changes defined for a certain language."
pp = pathlib.Path(project_path).resolve()
project_name = pp.name
if not pp.exists():
return [
"Could not find project: {}.".format(project_name),
" Did you forget to specify a project path?"
]
parent_path = pp / '{}.json'.format(parent)
language_path = pp / '{}.json'.format(language)
with parent_path.open() as pjs:
parent_tree = lt.LanguageTree.from_json(pjs.read())
with language_path.open() as ljs:
language_tree = lt.LanguageTree.from_json(ljs.read())
scp = pathlib.Path(
language_tree.meta.data_path) / language_tree.meta.change_file_name
lexp = pathlib.Path(
parent_tree.meta.data_path) / parent_tree.meta.lexicon_file_name
new_lexp = pathlib.Path(
language_tree.meta.data_path) / language_tree.meta.lexicon_file_name
with lexp.open() as lexf:
lex = lexf.read()
with scp.open() as scf:
sc = scf.read()
changes = parser.compile(sc)
words = []
new_words = []
for line in lex:
if line.startswith('#'):
continue
else:
word = line.split()
words.append(word)
for word in words:
for ch in changes:
word[0] = ch.apply(word[0])
new_words.append(word)
with new_lexp.open() as nlf:
strw = [str(word) for word in new_words]
nlf.write("\n".join(strw))
return ['Simulation successful.']
def test_basic_conditional_sound_change_with_relexp(wf):
sc = parser.compile("CHANGE BEGIN /a/ -> /e/ | _[+front] END")[0]
w = wf.make_word("ko'raj.ka")
nw = sc.apply(w)
assert repr(nw) == "/ko.'rej.ka/"
def test_replace_by_feature(wf):
sc = parser.compile("CHANGE BEGIN [+sibilant] -> /h/ END")[0]
w = wf.make_word("ma'sa.la")
nw = sc.apply(w)
assert repr(nw) == "/ma.'ha.la/"
def test_change_feature(wf):
sc = parser.compile("CHANGE BEGIN [+sibilant] -> [+voice] END")[0]
w = wf.make_word("ma'sa.la")
nw = sc.apply(w)
assert repr(nw) == "/ma.'za.la/"
def test_multiple_unconditional(wf):
sc = parser.compile("CHANGE BEGIN {/b/,/d/,/ɡ/} -> {/β/,/ð/,/ɣ/} END")[0]
w = wf.make_word("ba'ɡo.dam")
nw = sc.apply(w)
assert repr(nw) == "/βa.'ɣo.ðam/"
def test_simple_unconditional(wf):
sc = parser.compile("CHANGE BEGIN /a/ -> /e/ END")[0]
w = wf.make_word("'at.na")
nw = sc.apply(w)
assert repr(nw) == "/'et.ne/"