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clean_x3.py
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clean_x3.py
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import pandas as pd
import re
brands = ['dell', 'lenovo', 'acer', 'asus', 'hp']
cpu_brands = ['intel', 'amd']
intel_cores = [' i3', ' i5', ' i7', '2 duo', 'celeron', 'pentium', 'centrino']
amd_cores = ['e-series', 'a8', 'radeon', 'athlon', 'turion', 'phenom']
families = {
'hp': [r'elitebook', r'compaq', r'folio', r'pavilion'],
'lenovo': [r' x[0-9]{3}[t]?', r'x1 carbon'],
'dell': [r'inspiron'],
'asus': [r'zenbook', ],
'acer': [r'aspire', r'extensa', ],
'0': []
}
def clean_x3(data):
"""Clean X3.csv data to a readable format.
:param data: X3.csv
:return:
A DataFrame which contains following columns:
{instance_id: instance_id of items;
brand: computer's brand, range in: {'dell', 'lenovo', 'acer', 'asus', 'hp'};
cpu_brand: cpu's brand, range in: {'intel', 'amd'};
cpu_core: cpu extra information, relative to cpu_brand;
cpu_model: cpu model, relative to cpu_brand;
cpu_frequency: cpu's frequency, unit in Hz;
ram_capacity: capacity of RAM, unit in GB;
display_size: size of computer;
pc_name: name information extract from title;
name_family: family name of computer;
title: title information of instance}
it the value can't extract from the information given, '0' will be filled.
"""
instance_ids = data.filter(items=['instance_id'], axis=1)
titles = data.filter(items=['title'], axis=1)
information = data.drop(['instance_id'], axis=1)
information = information.fillna('')
instance_ids = instance_ids.values.tolist()
information = information.values.tolist()
titles = titles.values.tolist()
result = []
for row in range(len(instance_ids)):
information[row].sort(key=lambda i: len(i), reverse=True)
row_info = titles[row][0]
for mess in information[row]:
if mess not in row_info:
row_info = row_info + ' - ' + mess
brand = '0'
cpu_brand = '0'
cpu_core = '0'
cpu_model = '0'
cpu_frequency = '0'
ram_capacity = '0'
display_size = '0'
name_number = '0'
name_family = '0'
item = row_info
lower_item = item.lower()
rest_info = re.split(r'\s[:\\/-]\s', titles[row][0])
name_info = rest_info[0]
useless = ['amazon', 'other laptops', 'miniprice']
for name in useless:
if name in rest_info[0].lower():
name_info = rest_info[1]
for b in brands:
if b in lower_item:
brand = b
break
for b in cpu_brands:
if b in lower_item:
cpu_brand = b
break
if cpu_brand != 'intel':
for b in amd_cores:
if b in lower_item:
cpu_core = b.strip()
cpu_brand = 'amd'
break
if cpu_brand != 'amd':
for b in intel_cores:
if b in lower_item:
cpu_core = b.strip()
cpu_brand = 'intel'
break
if cpu_brand == 'intel':
result_model = re.search(
r'[\- ][0-9]{4}[Qq]?[MmUu](?![Hh][Zz])', item)
if result_model is None:
result_model = re.search('[\\- ][0-9]{3}[Qq]?[Mm]', item)
if result_model is None:
result_model = re.search('[\\- ][MmQq][0-9]{3}', item)
if result_model is None:
result_model = re.search('[\\- ][PpNnTt][0-9]{4}', item)
if result_model is None:
result_model = re.search('[\\- ][0-9]{4}[Yy]', item)
if result_model is None:
result_model = re.search('[\\- ][Ss]?[Ll][0-9]{4}', item)
if result_model is None:
result_model = re.search('[\\- ]867', item)
if result_model is None:
result_model = re.search(
'[\\- ]((1st)|(2nd)|(3rd)|([4-9]st))[ ][Gg]en', item)
if result_model is not None:
cpu_model = result_model.group()[1:].lower()
elif cpu_brand == 'amd':
if cpu_core == 'a8':
cpu_core = 'a-series'
result_model = re.search(r'([AaEe][0-9][\- ][0-9]{4})', item)
if result_model is None:
result_model = re.search('[\\- ]HD[\\- ][0-9]{4}', item)
if result_model is None:
result_model = re.search('[\\- ][AaEe][\\- ][0-9]{3}', item)
if result_model is not None:
cpu_core = result_model.group()[:1].lower() + '-series'
cpu_model = result_model.group()[1:].lower().replace(' ', '-')
if cpu_core in ('radeon', 'athlon', 'turion', 'phenom'):
if result_model is None:
result_model = re.search('[\\- ][NnPp][0-9]{3}', item)
if result_model is None:
result_model = re.search(
'[\\- ](64[ ]?[Xx]2)|([Nn][Ee][Oo])', item)
if result_model is not None:
cpu_model = result_model.group().lower().replace('-', '').replace(' ', '')
result_frequency = re.search(
r'[123][ .][0-9]?[0-9]?[ ]?[Gg][Hh][Zz]', item)
if result_frequency is not None:
result_frequency = re.split(r'[GgHhZz]', result_frequency.group())[
0].strip().replace(' ', '.')
if len(result_frequency) == 3:
result_frequency = result_frequency + '0'
if len(result_frequency) == 1:
result_frequency = result_frequency + '.00'
result_frequency = result_frequency
cpu_frequency = result_frequency
result_ram_capacity = re.search(
r'[\s-][12468][\s]?[Gg][Bb]([-\s]|([Rr][Aa][Mm]))', item)
if result_ram_capacity is None:
result_ram_capacity = re.search(
r'[\s-][12468][\s]?[Gg][-\s]', item)
if result_ram_capacity is not None:
ram_capacity = result_ram_capacity.group().lower()\
.replace('-', ' ').replace('b', '').replace('r', '').replace('a', '').replace('m', '').replace(' ', '')
result_display_size = re.search(r'1[0-9]([. ][0-9])?\"', item)
if result_display_size is not None:
display_size = result_display_size.group().replace(" ", ".")[:-1]
else:
result_display_size = re.search(
r'1[0-9]([. ][0-9])?[- ][Ii]nch(?!es)', item)
if result_display_size is not None and display_size == '0':
display_size = result_display_size.group().replace(" ", ".")[:-5]
elif result_display_size is None:
result_display_size = re.search(
r'(?<!x)[ ]1[0-9][. ][0-9]([ ]|(\'\'))(?!x)', item)
if result_display_size is not None and display_size == '0':
display_size = result_display_size.group().replace(
"\'", " ").strip().replace(' ', '.')
if brand == 'lenovo':
result_name_number = re.search(
r'[\- ][0-9]{4}[0-9a-zA-Z]{3}(?![0-9a-zA-Z])', name_info)
if result_name_number is None:
result_name_number = re.search(
r'[\- ][0-9]{4}(?![0-9a-zA-Z])', name_info)
if result_name_number is not None:
name_number = result_name_number.group().replace(
'-', '').strip().lower()[:4]
elif brand == 'hp':
result_name_number = re.search(r'[0-9]{4}[pPwW]', name_info)
if result_name_number is None:
result_name_number = re.search(
r'15[\- ][a-zA-Z][0-9]{3}[a-zA-Z]{2}', name_info)
if result_name_number is None:
result_name_number = re.search(r'[\s]810[\s](G2)?', name_info)
if result_name_number is None:
result_name_number = re.search(r'[0-9]{4}[mM]', name_info)
if result_name_number is None:
result_name_number = re.search(
r'((DV)|(NC))[0-9]{4}', name_info)
if result_name_number is None:
result_name_number = re.search(r'[0-9]{4}DX', name_info)
if result_name_number is not None:
name_number = result_name_number.group().lower().replace('-', '').replace(' ', '')
elif brand == 'dell':
result_name_number = re.search(
r'1[57][Rr]?[\s]?([0-9]{4})?[\s]([iI])?[0-9]{4}', name_info)
if result_name_number is None:
result_name_number = re.search(
r'[\s][A-Za-z][0-9]{3}[A-Za-z][\s]', name_info)
if result_name_number is not None:
name_number = result_name_number.group().lower().replace(
'-', '').replace('i', '').strip().split(' ')[-1]
elif brand == 'acer':
result_name_number = re.search(
r'[A-Za-z][0-9][\- ][0-9]{3}', name_info)
if result_name_number is None:
result_name_number = re.search(r'AS[0-9]{4}', name_info)
if result_name_number is None:
result_name_number = re.search(
r'[0-9]{4}[- ][0-9]{4}', name_info)
if result_name_number is not None:
name_number = result_name_number.group().lower().replace(' ', '-').replace('-', '')
if len(name_number) == 8:
name_number = name_number[:4]
elif brand == 'asus':
result_name_number = re.search(
r'[A-Za-z]{2}[0-9]?[0-9]{2}[A-Za-z]?[A-Za-z]', name_info)
if result_name_number is not None:
name_number = result_name_number.group().lower().replace(' ', '-').replace('-', '')
for pattern in families[brand]:
result_name_family = re.search(pattern, lower_item)
if result_name_family is not None:
name_family = result_name_family.group().strip()
break
result.append([
instance_ids[row][0],
brand,
cpu_brand,
cpu_core,
cpu_model,
cpu_frequency,
ram_capacity,
display_size,
name_number,
name_family,
titles[row][0].lower()
])
result = pd.DataFrame(result)
name = [
'instance_id',
'brand',
'cpu_brand',
'cpu_core',
'cpu_model',
'cpu_frequency',
'ram_capacity',
'display_size',
'pc_name',
'family',
'title'
]
for i in range(len(name)):
result.rename({i: name[i]}, inplace=True, axis=1)
return result