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utils.py
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utils.py
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def get_db_connection():
from java.lang import Class
from java.io import ByteArrayInputStream
from java.sql import Connection
from java.sql import DriverManager
from java.sql import PreparedStatement
from java.sql import SQLException
Class.forName("com.mysql.jdbc.Driver").newInstance()
newConn = DriverManager.getConnection("jdbc:mysql://localhost:3306/Stackoverflow?useUnicode=yes&characterEncoding=utf8&user=root")
newConn.setAutoCommit(True)
return newConn
def get_mongo_connection():
from com.mongodb import MongoClient
from com.mongodb import DB
from com.mongodb import DBCollection
from com.mongodb import BasicDBObject
from com.mongodb import DBObject
mongoClient = MongoClient()
db = mongoClient.getDB("Answers")
return db
def camel_case_split(s):
import re
s = s.replace("_", " ")
s1 = re.sub('(.)([A-Z][a-z]+)', r'\1 \2', s)
s = re.sub('([a-z0-9])([A-Z])', r'\1 \2', s1).lower().replace(" ", " ").split()
return s
def tokenize(s):
import re
return re.findall(r"[\w']+", s)
def unescape_html(s):
from HTMLParser import HTMLParser
p = HTMLParser()
return p.unescape(s)
def get_code(s):
code_snippets = []
for item in s.split("</code>"):
if "<code>" in item:
code_tag = item [item.find("<code>")+len("<code>"):]
if "." in code_tag and "(" in code_tag:
code_tag = unescape_html(code_tag)
code_snippets.append(code_tag)
return code_snippets
def remove_code_block(s):
from org.jsoup import Jsoup
doc = Jsoup.parse(s)
for element in doc.select("code"):
element.remove()
return doc.text()
def remove_html_tags(s):
from org.jsoup import Jsoup
return Jsoup.parse(s).text()
def so_text(s):
""" Removes code tag and its content from SO body as well as all html tags"""
from org.jsoup import Jsoup
s = unescape_html(s)
doc = Jsoup.parse(s)
for element in doc.select("code"):
element.remove()
return doc.text()
java_stopwords = ["public","private","protected","interface",
"abstract","implements","extends","null","new",
"switch","case", "default" ,"synchronized" ,
"do", "if", "else", "break","continue","this",
"assert" ,"for","instanceof", "transient",
"final", "static" ,"void","catch","try",
"throws","throw","class", "finally","return",
"const" , "native", "super","while", "import",
"package" ,"true", "false", "enum"]
def so_tokenizer(s, remove_html=True, as_str=True):
if remove_html:
from org.jsoup import Jsoup
s = unescape_html(s)
doc = Jsoup.parse(s)
s = doc.text()
tokens = tokenize(s)
tokens = set(tokens)
res = []
for token in tokens:
res.extend( camel_case_split(token) )
res.append(token.lower())
res = [item for item in res if item not in java_stopwords]
res = set(res)
if as_str:
return " ".join(res)
else:
return res
def variable_type_map(source):
import re
from collections import defaultdict
type_map = defaultdict("")
# Deduce types from method declaration
parent = re.compile(r"\(\s*([^)]+?)\s*\)")
for argumentlist in parent.findall(source):
args = argumentlist.split(",")
for arg in args:
tokens = arg.split()
if len(tokens) >= 2:
type_map[tokens[-1]] = tokens[-2]
# Deduce types from variable declartion
def md5(s):
import hashlib
return hashlib.md5(s).hexdigest()
def read_file(file_path):
with open(file_path, "r") as f:
return f.read()
def write_file(file_path, content):
with open(file_path, "w") as f:
f.write(content)
def get_inline_and_block_code(s):
code_snippets = set()
for item in s.split("</code></pre>"):
if "<pre><code>" in item:
code_tag = item [item.find("<pre><code>")+len("<pre><code>"):]
if "." in code_tag and "(" in code_tag:
code_tag = unescape_html(code_tag)
code_snippets.add(code_tag.strip())
return code_snippets
if __name__ == '__main__':
print camel_case_split("myFucking_CamelCase.7.9/66")
s = """
View.OnClickListener mStartButtonListener = new OnClickListener() {
@Override
public void onClick(View arg0) {
mChronometer.setBase(SystemClock.elapsedRealtime());
mChronometer.start();
}
};
"""
print tokenize(s)
print so_tokenizer(s, remove_html=False)
# print camel_case_split("ABCWordDEF")
# print camel_case_split("camel_case_split")
# print unescape_html("<")
# s = """Hello dfsdf <code>Integer.toString( ) </code>
# <pre><code>String.valueOf ()</code></pre>
# """
# print get_inline_and_block_code(s)
# print "-"*10
# print get_code(s)
# print so_text(s)
# print md5(s)
# # from java.sql import ResultSet
# # conn = get_db_connection()
# # stmt = conn.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY)
# # rs = stmt.executeQuery("SELECT * FROM posts LIMIT 1")
# # rs.next()
# # print rs.getString("Title")
# source = """<div class="post-text" itemprop="text">
# <p>You can use an <a href="http://developer.android.com/reference/java/net/Authenticator.html"><code>Authenticator</code></a>. For example:</p>
# <pre class="lang-java prettyprint prettyprinted"><code><span class="typ">Authenticator</span><span class="pun">.</span><span class="pln">setDefault</span><span class="pun">(</span><span class="kwd">new</span><span class="pln"> </span><span class="typ">Authenticator</span><span class="pun">()</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
# </span><span class="lit">@Override</span><span class="pln">
# </span><span class="kwd">protected</span><span class="pln"> </span><span class="typ">PasswordAuthentication</span><span class="pln"> getPasswordAuthentication</span><span class="pun">()</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
# </span><span class="kwd">return</span><span class="pln"> </span><span class="kwd">new</span><span class="pln"> </span><span class="typ">PasswordAuthentication</span><span class="pun">(</span><span class="pln">
# </span><span class="str">"user"</span><span class="pun">,</span><span class="pln"> </span><span class="str">"password"</span><span class="pun">.</span><span class="pln">toCharArray</span><span class="pun">());</span><span class="pln">
# </span><span class="pun">}</span><span class="pln">
# </span><span class="pun">});</span></code></pre>
# <p>This sets the default <code>Authenticator</code> <code>Collections.binarySearch</code> and will be used in <em>all</em> requests. Obviously the setup is more involved when you don't need credentials for all requests or a number of different credentials, maybe on different threads.</p>
# <p>Alternatively you can use a <a href="http://developer.android.com/reference/org/apache/http/impl/client/DefaultHttpClient.html"><code>DefaultHttpClient</code></a> where a GET request with basic HTTP authentication would look similar to:</p>
# <pre class="lang-java prettyprint prettyprinted"><code><span class="typ">HttpClient</span><span class="pln"> httpClient </span><span class="pun">=</span><span class="pln"> </span><span class="kwd">new</span><span class="pln"> </span><span class="typ">DefaultHttpClient</span><span class="pun">();</span><span class="pln">
# </span><span class="typ">HttpGet</span><span class="pln"> httpGet </span><span class="pun">=</span><span class="pln"> </span><span class="kwd">new</span><span class="pln"> </span><span class="typ">HttpGet</span><span class="pun">(</span><span class="str">"http://foo.com/bar"</span><span class="pun">);</span><span class="pln">
# httpGet</span><span class="pun">.</span><span class="pln">addHeader</span><span class="pun">(</span><span class="typ">BasicScheme</span><span class="pun">.</span><span class="pln">authenticate</span><span class="pun">(</span><span class="pln">
# </span><span class="kwd">new</span><span class="pln"> </span><span class="typ">UsernamePasswordCredentials</span><span class="pun">(</span><span class="str">"user"</span><span class="pun">,</span><span class="pln"> </span><span class="str">"password"</span><span class="pun">),</span><span class="pln">
# </span><span class="str">"UTF-8"</span><span class="pun">,</span><span class="pln"> </span><span class="kwd">false</span><span class="pun">));</span><span class="pln">
# </span><span class="typ">HttpResponse</span><span class="pln"> httpResponse </span><span class="pun">=</span><span class="pln"> httpClient</span><span class="pun">.</span><span class="pln">execute</span><span class="pun">(</span><span class="pln">httpGet</span><span class="pun">);</span><span class="pln">
# </span><span class="typ">HttpEntity</span><span class="pln"> responseEntity </span><span class="pun">=</span><span class="pln"> httpResponse</span><span class="pun">.</span><span class="pln">getEntity</span><span class="pun">();</span><span class="pln">
# </span><span class="com">// read the stream returned by responseEntity.getContent()</span></code></pre>
# <p>I recommend using the latter because it gives you a lot more control (e.g. method, headers, timeouts, etc.) over your request.</p>
# </div>"""
# print so_tokenizer(source)