Naive Search with JavaScript
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#!/usr/bin/env python | |
import json | |
import re | |
import pprint | |
def tokenize ( string ): | |
# Strip extra punctuation | |
string = re.sub( r'[^a-z0-9A-Z \'\-]', '', string.lower() ) | |
return string.split( ' ' ) | |
def main (): | |
index = {} | |
with open( 'data.json', 'r' ) as handle: | |
obj = json.loads( handle.read() ) | |
for entry in obj['entries']: | |
# Break up both title and body | |
tokens = tokenize( entry['title'] ) | |
tokens.extend( tokenize( entry['body'] ) ) | |
# Make them unique by casting to set | |
tokens = set( tokens ) | |
# Now add them to the index | |
for token in tokens: | |
# Make a new entry for the token if it doesn't exist | |
if token not in index.keys(): | |
index[token] = [] | |
# Add this id to the list of matches for this token | |
index[token].append( entry['id'] ) | |
pprint.pprint( index ) | |
if __name__ == '__main__': | |
main() |
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{ | |
"entries": [ | |
{ | |
"id": 1, | |
"title": "The lazy white cat slept.", | |
"body": "What a lazy cat." | |
}, | |
{ | |
"id": 2, | |
"title": "George, though angry, didn't make a sound.", | |
"body": "George is a quiet man." | |
}, | |
{ | |
"id": 3, | |
"title": "Anyone could see that white didn't suit her.", | |
"body": "Plus, it's after Labor Day." | |
}, | |
{ | |
"id": 4, | |
"title": "By Thor's Hammer, I will have my revenge.", | |
"body": "Also, by Odin's Eye" | |
}, | |
{ | |
"id": 5, | |
"title": "Get off the couch you lazy bum.", | |
"body": "Yeah, it's way better to sit at a computer desk." | |
} | |
] | |
} |
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$ python build_index.py | |
{u'a': [1, 2, 5], | |
u'after': [3], | |
u'also': [4], | |
u'angry': [2], | |
u'anyone': [3], | |
u'at': [5], | |
u'better': [5], | |
u'bum': [5], | |
u'by': [4], | |
u'cat': [1], | |
u'computer': [5], | |
u'couch': [5], | |
u'could': [3], | |
u'day': [3], | |
u'desk': [5], | |
u"didn't": [2, 3], | |
u'eye': [4], | |
u'george': [2], | |
u'get': [5], | |
u'hammer': [4], | |
u'have': [4], | |
u'her': [3], | |
u'i': [4], | |
u'is': [2], | |
u"it's": [3, 5], | |
u'labor': [3], | |
u'lazy': [1, 5], | |
u'make': [2], | |
u'man': [2], | |
u'my': [4], | |
u"odin's": [4], | |
u'off': [5], | |
u'plus': [3], | |
u'quiet': [2], | |
u'revenge': [4], | |
u'see': [3], | |
u'sit': [5], | |
u'slept': [1], | |
u'sound': [2], | |
u'suit': [3], | |
u'that': [3], | |
u'the': [1, 5], | |
u"thor's": [4], | |
u'though': [2], | |
u'to': [5], | |
u'way': [5], | |
u'what': [1], | |
u'white': [1, 3], | |
u'will': [4], | |
u'yeah': [5], | |
u'you': [5]} |
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