521xueweihan
diff --git a/‎ex49/skeleton/bin/这里放需要的脚本‎ b/‎ex49/skeleton/bin/这里放需要的脚本‎
diff --git a/‎ex49/skeleton/docs/这里放文档‎ b/‎ex49/skeleton/docs/这里放文档‎
diff --git a/‎ex49/skeleton/ex49/__init__.py‎ b/‎ex49/skeleton/ex49/__init__.py‎
diff --git a/‎ex49/skeleton/ex49/__init__.pyc‎
137 Bytes b/‎ex49/skeleton/ex49/__init__.pyc‎
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diff --git a/‎ex49/skeleton/ex49/ex49.py‎
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diff --git a/‎ex49/skeleton/ex49/ex49.pyc‎
2.62 KB b/‎ex49/skeleton/ex49/ex49.pyc‎
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diff --git a/‎ex49/skeleton/setup.py‎
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diff --git a/‎ex49/skeleton/tests/__init__.py‎ b/‎ex49/skeleton/tests/__init__.py‎
diff --git a/‎ex49/skeleton/tests/__init__.pyc‎
138 Bytes b/‎ex49/skeleton/tests/__init__.pyc‎
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diff --git a/‎ex49/skeleton/tests/ex49_tests.py‎
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@@ -0,0 +1,71 @@
+class ParserError(Exception):
+    pass
+    
+class Sentence(object):
+
+    def __init__(self, subject, verb, object):
+        self.subject = subject[1]
+        self.verb = verb[1]
+        self.object = object[1]
+        
+def peek(word_list):
+    if word_list:
+        word= word_list[0]
+        return word[0]
+    else:
+        return None
+        
+def match(word_list, expecting):
+    if word_list:
+        word = word_list.pop(0)
+        
+        if word[0] == expecting:
+            return word
+        else:
+            return None
+    else:
+        return None
+        
+        
+def skip(word_list, word_type):
+    while peek(word_list) == word_type:
+        match(word_list, word_type)
+
+
+def parse_verb(word_list):
+    skip(word_list, 'stop')
+    
+    if peek(word_list) == 'verb':
+        return match(word_list, 'verb')
+    else:
+        raise ParserError("Expected a verb next.")       
+
+def parse_object(word_list):
+    skip(word_list, 'stop')
+    next = peek(word_list)
+    
+    if next == 'noun':
+        return match(word_list, 'noun')
+    if next == 'direction':
+        return match(word_list, 'direction')
+    else:
+        raise ParserError("Expected a noun or direction next.")
+        
+def parse_subject(word_list, subj):
+    verb = parse_verb(word_list)
+    obj = parse_object(word_list)
+    
+    return Sentence(subj, verb, obj)
+    
+def parse_sentence(word_list):
+    skip(word_list, 'stop')
+    
+    start = peek(word_list)
+    
+    if start == 'noun':
+        subj = match(word_list, 'noun')
+        return parse_subject(word_list, subj)
+    elif start == 'verb':
+        return parse_subject(word_list, ('noun', 'player'))
+    else:
+        raise ParserError("Must start with subject, object, or verb not:%s" % start)
@@ -0,0 +1,21 @@
+try:
+    from setuptools import setup
+except ImportError:
+    from distutils.core import setup
+    
+
+cnfig = {
+         'description': 'My Project',
+         'author': 'XueWeiHan',
+         'url': 'URL to get it at.',
+         'download_url': 'Where to download it.',
+         'author_email': 'My email.',
+         'version': '0.1',
+         'install_requirse': ['nose'],
+         'packages': ['NAME'],
+         'scripts': [],
+         'name': 'projectname'
+}
+
+setup(**config)
+   
@@ -0,0 +1,41 @@
+#coding:utf-8
+from nose.tools import *
+from ex49.ex49 import *
+# 输入nosetests，开始测试一个
+# 输出结果如下：
+# qq@qq-virtual-machine:~/git/projects/skeleton$ nosetests
+# ....
+# ----------------------------------------------------------------------
+# Ran 4 tests in 0.004s
+#
+# OK
+
+def test_Sentence():
+    sentence = Sentence(('noun', 'apple'), ('verb', 'eat'), ('direction', 'good'))
+    assert_equal(sentence.subject, 'apple')
+    
+def test_peek():
+    #sentence = Sentence(('noun', 'apple'), ('verb', 'eat'), ('direction', 'good'))
+    peek1 = peek([('noun', 'apple'), ('verb', 'eat'), ('direction', 'good')])
+    peek2 = peek([('direction', 'good')])
+    peek3 = peek([])
+    assert_equal(peek1, 'noun')
+    assert_equal(peek2, 'direction')
+    assert_equal(peek3, None)   # None != 'None'
+    
+def test_match():
+    match1 = match([('verb', 'eat'), ('noun', 'apple')], 'verb')    #match接收的是word_list
+    assert_equal(match1, ('verb', 'eat'))
+    
+# 我觉得的parse_verb()方法不是需要测试——因为它还调用了别的方法（不知道我想的对不对）
+#def test_parse_verb():
+#    parse_verb1 = parse_verb([('noun', 'apple'), ('verb', 'eat'), ('direction', 'good')])
+#    assert_equal(parse_verb1,)
+
+    
+def test_parse_subject():
+    last_sentence = Sentence(('', ''), ('', ''), ('', ''))
+    #下面的方法返回 Sentence(subj, verb, obj)
+    last_sentence = parse_subject([('verb', 'eat'), ('direction', 'nice')], ('noun', 'apple'))  
+    
+    assert_equal(last_sentence.verb, 'eat')