def reducefn(author, titles):
from stopwords import allStopWords
from utils import normalize_words
terms_freq = {}
for title in titles:
### Main tasks to do: normalize words (lower case), delete stopwords, punctuation,
### hyphens, single letter words and count the cumulative frequency.
title_terms = normalize_words(title)
for term in title_terms.split():
## allStopWords comes from stopwords file.
## Single letter words are removed.
if not (allStopWords.has_key(term) or len(term) == 1):
if terms_freq.has_key(term):
terms_freq[term] = terms_freq[term] + 1
else:
terms_freq[term] = 1
## Reduce results.
return terms_freq
def reducefn(author, titles):
from stopwords import allStopWords
from utils import normalize_words
terms_freq = {}
for title in titles:
### Main tasks to do: normalize words (lower case), delete stopwords, punctuation,
### hyphens, single letter words and count the cumulative frequency.
title_terms = normalize_words(title)
for term in title_terms.split():
## allStopWords comes from stopwords file.
## Single letter words are removed.
if not (allStopWords.has_key(term) or len(term) == 1):
if terms_freq.has_key(term):
terms_freq[term] = terms_freq[term] + 1
else:
terms_freq[term] = 1
## Reduce results.
return terms_freq
def mapfn(filenumber, filecontent):
from utils import normalize_words
## Emits all the contents for each author
author_contents = {}
for line in filecontent.splitlines():
## conf:::author_1::author2:::title
docdata = line.split(':::')
authors_list = docdata[1].split('::')
title = docdata[-1]
for author in authors_list:
author = normalize_words(author)
if author_contents.has_key(author):
author_contents[author] = author_contents[author] + " " + title
else:
author_contents[author] = title
## Map results
for author in author_contents.keys():
yield author, author_contents[author]
def mapfn(filenumber, filecontent):
from utils import normalize_words
## Emits all the contents for each author
author_contents = {}
for line in filecontent.splitlines():
## conf:::author_1::author2:::title
docdata = line.split(':::')
authors_list = docdata[1].split('::')
title = docdata[-1]
for author in authors_list:
author = normalize_words(author)
if author_contents.has_key(author):
author_contents[author] = author_contents[author] + " " + title
else:
author_contents[author] = title
## Map results
for author in author_contents.keys():
yield author, author_contents[author]
