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parser.py
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parser.py
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import lxml.html
import csv
import multiprocessing
import io
def parseFile(filename):
with io.open('data/raw/%s.csv' % filename, 'rb') as readFile, io.open('data/proc/%s.csv' % filename, 'wb') as writeFile:
csvReader = csv.DictReader(readFile)
header = csvReader.fieldnames
header.extend(['codeCount', 'urlCount', 'imgCount'])
csvWriter = csv.DictWriter(writeFile, fieldnames=header)
csvWriter.writeheader()
print('Parsing %s...' % filename)
for row in csvReader:
# Get <code> and <a> counts (code snippets and hyperlinks)
codeCount = row['Body'].count('<code')
urlCount = row['Body'].count('<a')
imgCount = row['Body'].count('<img')
# Get last entry, i.e. Body, and strips all HTML tags
tmp = lxml.html.fromstring(row['Body'])
row['Body'] = tmp.text_content().encode('utf-8')
row.update({
'codeCount': codeCount,
'urlCount': urlCount,
'imgCount': imgCount,
})
# Write to file
csvWriter.writerow(row)
def main():
filename = [
#'AnswersPython',
#'AnswersStack',
'QuestionsPythonClean',
#'QuestionsStack',
]
pool = multiprocessing.Pool()
pool.map(parseFile, filename)
if __name__ == '__main__':
main()