upstream/ipython Files · docs/examples/kernel/wordfreq.py

The pretty.py extension has been ported to the new extension API....

The pretty.py extension has been ported to the new extension API. I have also cleaned up the extension API to enable extension unloading and have added magics for working with extensions: * %load_ext * %reload_ext * %unload_ext

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      """Count the frequencies of words in a string"""

      def wordfreq(text):

          """Return a dictionary of words and word counts in a string."""

          freqs = {}

          for word in text.split():

              freqs[word] = freqs.get(word, 0) + 1

          return freqs

      def print_wordfreq(freqs, n=10):

          """Print the n most common words and counts in the freqs dict."""

          words, counts = freqs.keys(), freqs.values()

          items = zip(counts, words)

          items.sort(reverse=True)

          for (count, word) in items[:n]:

              print word, count

      if __name__ == '__main__':

          import gzip

          text = gzip.open('HISTORY.gz').read()

          freqs = wordfreq(text)

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				"""Count the frequencies of words in a string"""

				def wordfreq(text):
				"""Return a dictionary of words and word counts in a string."""

				freqs = {}
				for word in text.split():
				freqs[word] = freqs.get(word, 0) + 1
				return freqs

				def print_wordfreq(freqs, n=10):
				"""Print the n most common words and counts in the freqs dict."""

				words, counts = freqs.keys(), freqs.values()
				items = zip(counts, words)
				items.sort(reverse=True)
				for (count, word) in items[:n]:
				print word, count

				if __name__ == '__main__':
				import gzip
				text = gzip.open('HISTORY.gz').read()
				freqs = wordfreq(text)