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Use introspection more meaningfully

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This commit is contained in:
Crista Lopes
2013-12-28 15:58:40 -08:00
parent 23c38695c3
commit 12b2fadbab
1 changed files with 9 additions and 18 deletions
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27
15-introspective/tf-15.py
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@@ -1,22 +1,20 @@
#!/usr/bin/env python #!/usr/bin/env python
import sys, re, operator, string, inspect import sys, re, operator, string, inspect
#
# The functions
#
def read_stop_words(): def read_stop_words():
# Meta-level data: inspect.stack() and locals() """ This function can only be called from a function
print "My name is " + inspect.stack()[0][3] + ", my arguments are " + str(locals().keys()) named extract_words."""
print " and I'm being called from ", inspect.stack()[1][3] # Meta-level data: inspect.stack()
if inspect.stack()[1][3] != 'extract_words':
return None
with open('../stop_words.txt') as f: with open('../stop_words.txt') as f:
stop_words = f.read().split(',') stop_words = f.read().split(',')
stop_words.extend(list(string.ascii_lowercase)) stop_words.extend(list(string.ascii_lowercase))
return stop_words return stop_words
def extract_words(path_to_file): def extract_words(path_to_file):
# Meta-level data: inspect.stack() and locals() # Meta-level data: locals()
print "My name is " + inspect.stack()[0][3] + ", my arguments are " + str(locals().keys())
print " and I'm being called from ", inspect.stack()[1][3]
with open(locals()['path_to_file']) as f: with open(locals()['path_to_file']) as f:
str_data = f.read() str_data = f.read()
pattern = re.compile('[\W_]+') pattern = re.compile('[\W_]+')
@@ -25,9 +23,7 @@ def extract_words(path_to_file):
return [w for w in word_list if not w in stop_words] return [w for w in word_list if not w in stop_words]
def frequencies(word_list): def frequencies(word_list):
# Meta-level data: inspect.stack() and locals() # Meta-level data: locals()
print "My name is " + inspect.stack()[0][3] + ", my arguments are " + str(locals().keys())
print " and I'm being called from ", inspect.stack()[1][3]
word_freqs = {} word_freqs = {}
for w in locals()['word_list']: for w in locals()['word_list']:
if w in word_freqs: if w in word_freqs:
@@ -37,14 +33,9 @@ def frequencies(word_list):
return word_freqs return word_freqs
def sort(word_freq): def sort(word_freq):
# Meta-level data: inspect.stack() and locals() # Meta-level data: locals()
print "My name is " + inspect.stack()[0][3] + " and my arguments are " + str(locals().keys())
print " and I'm being called from ", inspect.stack()[1][3]
return sorted(locals()['word_freq'].iteritems(), key=operator.itemgetter(1), reverse=True) return sorted(locals()['word_freq'].iteritems(), key=operator.itemgetter(1), reverse=True)
#
# The main function
#
def main(): def main():
word_freqs = sort(frequencies(extract_words(sys.argv[1]))) word_freqs = sort(frequencies(extract_words(sys.argv[1])))
for (w, c) in word_freqs[0:25]: for (w, c) in word_freqs[0:25]: