make more app like, takes gram size as arg

gramificate.py

@@ -4,15 +4,31 @@ import sys
 import re
 
 class NGramSet:
-	def __init__(self, gram_size):
+	def __init__(self, filename, gram_size):
 		self.gram_size = gram_size
+		self.filename = filename
+		self.text = None
 		self.gram_set = {}
 		self.total_count = 0
 
+	def read_file(self):
+		# open and read file
+		src = open(self.filename)
+		text = src.read()
+
+		# normalize text to remove extra space and characters
+		text = text.lower() # lower case chars
+		text = re.sub('[^a-z]', ' ', text) # remove anything not a-z
+		text = re.sub('  *', ' ', text) # shrink all multi spaces to a single
+		self.text= text
+
+
 	# takes in text and populates class with ngram info
-	def process(self, text):
+	def process(self):
+		if (self.text == None):
+			self.read_file()
 		gram = []
-		for word in text.split(" "):
+		for word in self.text.split(" "):
 			if (word == ''):
 				continue
 			if (len(gram) >= self.gram_size):
@@ -31,26 +47,22 @@ class NGramSet:
 		for key in self.gram_set:
 			self.gram_set[key]['percent'] = self.gram_set[key]['count'] / float(self.total_count)
 
-if len(sys.argv) < 2:
-	print "Usage: gramificate.py [FILE]"
+	def print_mysql(self):
+		print "mysql"
+
+if len(sys.argv) < 3:
+	print "Usage: gramificate.py [N] [FILE]"
+	print "  N     Gram size"
+	print "  FILE  Filename"
+	print "Output: Mysql commands to create a table FILE-N that contains all the grams and" 
+	print "        associated stats (count of gram, percent of total). Can be directly and"
+	print "        safely piped into mysql:"
+	print "          mysql -u USER -pPass -D gram_db < ./gramificate.py 2 input.txt" 
 	exit()
 
-# open and read file
-src = open(sys.argv[1])
-text = src.read()
-
-# normalize text to remove extra space and characters
-text = text.lower() # lower case chars
-text = re.sub('[^a-z]', ' ', text) # remove anything not a-z
-text = re.sub('  *', ' ', text) # shrink all multi spaces to a single
-
 # generate ngrams
-one_grams = NGramSet(1)
-one_grams.process(text)
-print one_grams.gram_set
-two_grams = NGramSet(2)
-two_grams.process(text)
-print two_grams.gram_set
+grams = NGramSet(sys.argv[2], int(sys.argv[1]))
+grams.process()
+print grams.gram_set
 
-# generate stats about 'grams from gram set