def letter_count( letter_count, ordered = False ):
total = 0
letter_freq = {}
letter_height = {}
min_letter_freq = {}
max_letter_freq = {}
maximum = 0
selected_samples = funcs.get_selected_samples( 'en' )
sample_total = 0
full_sample = ''
"""
Work out letter frequency tables
"""
for sample in selected_samples:
sample_maximum = 0
sample_total = 0
sample_content = funcs.get_sample(sample)
full_sample = full_sample + sample_content
sample_letter_count = funcs.letter_count(sample_content, ordered)
sample_letter_freq = {}
for char in sample_letter_count:
sample_total = sample_total + sample_letter_count[char]
for char in sample_letter_count:
char_freq = funcs.percentage(sample_letter_count[char], sample_total)
sample_letter_freq[char] = char_freq
if char not in max_letter_freq or char_freq > max_letter_freq[char]:
max_letter_freq[char] = char_freq
if char not in min_letter_freq or char_freq < min_letter_freq[char]:
min_letter_freq[char] = char_freq
if char_freq > maximum:
maximum = char_freq
full_sample_letter_freq = {}
full_sample_count = funcs.letter_count(full_sample, ordered)
full_sample_total = 0
linear_offset_color = {}
linear_offset = {}
total_linear_offset = 0
for char in full_sample_count:
full_sample_total = full_sample_total + full_sample_count[char]
for char in full_sample_count:
full_sample_letter_freq[char] = funcs.percentage(full_sample_count[char], full_sample_total)
for char in letter_count:
total = total + letter_count[char]
for char in letter_count:
char_freq = funcs.percentage(letter_count[char], total)
char_linear_offset = funcs.linear_offset( char_freq, full_sample_letter_freq[char], min_letter_freq[char], max_letter_freq[char])
linear_offset[char] = char_linear_offset
total_linear_offset = total_linear_offset + abs(char_linear_offset)
linear_offset_color[char] = funcs.linear_offset_color( char_linear_offset )
letter_freq[char] = char_freq
if char_freq > maximum:
maximum = char_freq
letter_height[char] = funcs.percentage(letter_count[char], maximum)
template_variables = {
'letter_count': letter_count,
'letter_freq': letter_freq,
'maximum': maximum,
'denominator': maximum * 0.01,
'sample_max': max_letter_freq,
'sample_min': min_letter_freq,
'sample_mean': full_sample_letter_freq,
'selected_samples': selected_samples,
'linear_offset_color': linear_offset_color,
'total_linear_offset': int(round(total_linear_offset)),
'linear_offset': linear_offset,
'keys': sorted(letter_count.keys())
}
template = jinja_environment.get_template('freq.html')
return template.render( template_variables )
def generate( cls ): return funcs.letter_count( funcs.get_en_sample() )
def letter_count(letter_count, ordered=False):
total = 0
letter_freq = {}
letter_height = {}
min_letter_freq = {}
max_letter_freq = {}
maximum = 0
selected_samples = funcs.get_selected_samples('en')
sample_total = 0
full_sample = ''
"""
Work out letter frequency tables
"""
for sample in selected_samples:
sample_maximum = 0
sample_total = 0
sample_content = funcs.get_sample(sample)
full_sample = full_sample + sample_content
sample_letter_count = funcs.letter_count(sample_content, ordered)
sample_letter_freq = {}
for char in sample_letter_count:
sample_total = sample_total + sample_letter_count[char]
for char in sample_letter_count:
char_freq = funcs.percentage(sample_letter_count[char],
sample_total)
sample_letter_freq[char] = char_freq
if char not in max_letter_freq or char_freq > max_letter_freq[char]:
max_letter_freq[char] = char_freq
if char not in min_letter_freq or char_freq < min_letter_freq[char]:
min_letter_freq[char] = char_freq
if char_freq > maximum:
maximum = char_freq
full_sample_letter_freq = {}
full_sample_count = funcs.letter_count(full_sample, ordered)
full_sample_total = 0
linear_offset_color = {}
linear_offset = {}
total_linear_offset = 0
for char in full_sample_count:
full_sample_total = full_sample_total + full_sample_count[char]
for char in full_sample_count:
full_sample_letter_freq[char] = funcs.percentage(
full_sample_count[char], full_sample_total)
for char in letter_count:
total = total + letter_count[char]
for char in letter_count:
char_freq = funcs.percentage(letter_count[char], total)
char_linear_offset = funcs.linear_offset(char_freq,
full_sample_letter_freq[char],
min_letter_freq[char],
max_letter_freq[char])
linear_offset[char] = char_linear_offset
total_linear_offset = total_linear_offset + abs(char_linear_offset)
linear_offset_color[char] = funcs.linear_offset_color(
char_linear_offset)
letter_freq[char] = char_freq
if char_freq > maximum:
maximum = char_freq
letter_height[char] = funcs.percentage(letter_count[char], maximum)
template_variables = {
'letter_count': letter_count,
'letter_freq': letter_freq,
'maximum': maximum,
'denominator': maximum * 0.01,
'sample_max': max_letter_freq,
'sample_min': min_letter_freq,
'sample_mean': full_sample_letter_freq,
'selected_samples': selected_samples,
'linear_offset_color': linear_offset_color,
'total_linear_offset': int(round(total_linear_offset)),
'linear_offset': linear_offset,
'keys': sorted(letter_count.keys())
}
template = jinja_environment.get_template('freq.html')
return template.render(template_variables)
