write genpinyins.py

diff --git a/scripts/genpinyins.py b/scripts/genpinyins.py
new file mode 100644 (file)
index 0000000..fef40cd
--- /dev/null
+++ b/scripts/genpinyins.py
@@ -0,0 +1,57 @@
+#!/usr/bin/python3
+import os
+from operator import itemgetter
+
+pinyin_dict = {}
+
+
+def strip_tone(old_pinyin_str):
+    oldpinyins = old_pinyin_str.split("'")
+    newpinyins = []
+
+    for pinyin in oldpinyins:
+        if pinyin[-1].isdigit():
+            pinyin = pinyin[:-1]
+        newpinyins.append(pinyin)
+
+    new_pinyin_str = "'".join(newpinyins)
+    return new_pinyin_str
+
+
+def add_pinyin_dict(pinyin, freq):
+    if 0 == freq:
+        return
+    if not pinyin in pinyin_dict:
+        pinyin_dict[pinyin] = freq
+    else:
+        pinyin_dict[pinyin] += freq
+
+
+def load_phrase(filename):
+    phrasefile = open(filename, "r")
+    for line in phrasefile.readlines():
+        line = line.rstrip(os.linesep)
+        (pinyin, word, token, freq) = line.split(None, 3)
+        pinyin = strip_tone(pinyin)
+        freq = int(freq)
+
+        if len(word) in [1, 2]:
+            add_pinyin_dict(pinyin, freq)
+
+    phrasefile.close()
+
+load_phrase("../data/gb_char.table")
+load_phrase("../data/gbk_char.table")
+
+
+def save_pinyin(filename):
+    pinyinfile = open(filename, "w")
+    for pinyin, freq in pinyin_dict.items():
+        freq = str(freq)
+        line = "\t".join((pinyin, freq))
+        pinyinfile.writelines([line, os.linesep])
+    pinyinfile.close()
+
+
+if __name__ == "__main__":
+    save_pinyin("pinyins.txt")