coffee/uchardet
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/uchardet/uchardet.git synced 2025-12-06 16:56:40 +08:00
Code Issues Packages Projects Releases Wiki Activity

script: model-building script updated to produce the 2 new ratios…

Browse Source 
… introduced in previous commit.
This commit is contained in:
Jehan 2022-12-14 20:15:01 +01:00
parent 401eb55dfc
commit e311b64cd9
1 changed files with 26 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
script/BuildLangModel.py
View File

@ -392,6 +392,8 @@ accumulated_ratios = 0
# frequent list, and we stop then. There may therefore be more or less than
# 64 frequent characters depending on the language.
logfd.write('\nMost Frequent characters:')
very_freq_count = 0
very_freq_ratio = 0
if lang.alphabet is None and lang.frequent_ranges is None:
freq_count = min(64, len(sorted_ratios))
for order, (char, ratio) in enumerate(sorted_ratios):
@ -399,6 +401,9 @@ if lang.alphabet is None and lang.frequent_ranges is None:
break
logfd.write("\n[{:2}] Char {}: {} %".format(order, chr(char), ratio * 100))
accumulated_ratios += ratio
if very_freq_ratio < 0.4:
very_freq_count += 1
very_freq_ratio += ratio
elif lang.alphabet is not None:
freq_count = 0
for order, (char, ratio) in enumerate(sorted_ratios):
@ -409,6 +414,9 @@ elif lang.alphabet is not None:
logfd.write("\n[{:2}] Char {}: {} %".format(order, chr(char), ratio * 100))
accumulated_ratios += ratio
freq_count += 1
if accumulated_ratios < 0.4:
very_freq_count += 1
very_freq_ratio += ratio
else:
if len(lang.alphabet) > 0:
print("Error: alphabet characters are absent from data collection"
@ -432,6 +440,9 @@ elif lang.frequent_ranges is not None:
logfd.write("\n[{:2}] Char {}: {} %".format(order, chr(char), ratio * 100))
frequent_ranges_size -= 1
break
if accumulated_ratios < 0.4:
very_freq_count += 1
very_freq_ratio += ratio
else:
# A frequent character in the non-frequent range.
logfd.write("\n[{:2}] Char {}: {} %".format(order, chr(char), ratio * 100))
@ -440,7 +451,18 @@ elif lang.frequent_ranges is not None:
if frequent_ranges_size <= 0:
break
low_freq_order = freq_count - 1
low_freq_ratio = 0
for back_order, (char, ratio) in enumerate(reversed(sorted_ratios[:freq_count])):
if low_freq_ratio < 0.03:
low_freq_ratio += ratio
low_freq_order -= 1
else:
break
logfd.write("\n\nThe first {} characters have an accumulated ratio of {}.\n".format(freq_count, accumulated_ratios))
logfd.write("The first {} characters have an accumulated ratio of {}.\n".format(very_freq_count, very_freq_ratio))
logfd.write("All characters whose order is over {} have an accumulated ratio of {}.\n".format(low_freq_order, low_freq_ratio))
with open(current_dir + '/header-template.cpp', 'r') as header_fd:
c_code = header_fd.read()
@ -729,7 +751,10 @@ SM_str += '\n Unicode_CharOrder,'
SM_str += '\n {},'.format(len(sorted_chars)) # Order is wrong!
SM_str += '\n {}LangModel,'.format(language_c)
SM_str += '\n {},'.format(freq_count)
SM_str += '\n (float){},'.format(accumulated_ratios)
SM_str += '\n {},'.format(very_freq_count)
SM_str += '\n (float){},'.format(very_freq_ratio)
SM_str += '\n {},'.format(low_freq_order)
SM_str += '\n (float){},'.format(low_freq_ratio)
SM_str += '\n};'
c_code += SM_str