X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=language_models.py;h=19f886fcefcb4384184e0bbad108e6925f029bbf;hb=236b087b3891bbedca39de40f0a2cce42fbc62c8;hp=1b90ac2ca425c1a246b410ac2f7a588931105f00;hpb=27abb216333fda20dc857a8a501fbee4a4a962f4;p=cipher-tools.git diff --git a/language_models.py b/language_models.py index 1b90ac2..19f886f 100644 --- a/language_models.py +++ b/language_models.py @@ -6,6 +6,8 @@ import unicodedata import itertools from math import log10 +unaccent_specials = ''.maketrans({"’": "'"}) + def letters(text): """Remove all non-alphabetic characters from a text >>> letters('The Quick') @@ -31,7 +33,8 @@ def unaccent(text): >>> unaccent('HÉLLÖ') 'HELLO' """ - return unicodedata.normalize('NFKD', text).\ + translated_text = text.translate(unaccent_specials) + return unicodedata.normalize('NFKD', translated_text).\ encode('ascii', 'ignore').\ decode('utf-8') @@ -121,7 +124,7 @@ def log_probability_of_unknown_word(key, N): Pw = Pdist(datafile('count_1w.txt'), log_probability_of_unknown_word) Pl = Pdist(datafile('count_1l.txt'), lambda _k, _N: 0) -Pl2 = Pdist(datafile('count_2l.txt'), lambda _k, _N: 0) +P2l = Pdist(datafile('count_2l.txt'), lambda _k, _N: 0) def Pwords(words): """The Naive Bayes log probability of a sequence of words.