Merge pull request #76 from VincentX0905/master

Add Safe Search

README.md

@@ -25,6 +25,11 @@ In addition, you can change the language google searches in. For example, to get
 from googlesearch import search
 search("Google", lang="fr")
 ```
+If you want to turn off the safe search function (this function is on by default), you can do this:
+```python
+from googlesearch import search
+search("Google", safe=None)
+```
 To extract more information, such as the description or the result URL, use an advanced search:
 ```python
 from googlesearch import search
@@ -40,6 +45,7 @@ If requesting more than 100 results, googlesearch will send multiple requests to
 from googlesearch import search
 search("Google", sleep_interval=5, num_results=200)
 ```
+
 If you are using a HTTP Rotating Proxy which requires you to install their CA Certificate, you can simply add `SSL_VERIFY=False` in the `search()` method to avoid SSL Verification.
 ```python
 from googlesearch import search

googlesearch/__init__.py

@@ -6,7 +6,7 @@
 import urllib
 
 
-def _req(term, results, lang, start, proxies, timeout, SSL_VERIFY):
+def _req(term, results, lang, start, proxies, timeout, safe, SSL_VERIFY):
     resp = get(
         url="https://www.google.com/search",
         headers={
@@ -17,6 +17,7 @@ def _req(term, results, lang, start, proxies, timeout, SSL_VERIFY):
             "num": results + 2,  # Prevents multiple requests
             "hl": lang,
             "start": start,
+            "safe": safe,
         },
         proxies=proxies,
         timeout=timeout,
@@ -36,7 +37,7 @@ def __repr__(self):
         return f"SearchResult(url={self.url}, title={self.title}, description={self.description})"
 
 
-def search(term, num_results=10, lang="en", proxy=None, advanced=False, sleep_interval=0, timeout=5, SSL_VERIFY=None):
+def search(term, num_results=10, lang="en", proxy=None, advanced=False, sleep_interval=0, timeout=5, safe="active", SSL_VERIFY=None):
     """Search the Google search engine"""
 
     escaped_term = urllib.parse.quote_plus(term) # make 'site:xxx.xxx.xxx ' works.
@@ -54,7 +55,7 @@ def search(term, num_results=10, lang="en", proxy=None, advanced=False, sleep_in
     while start < num_results:
         # Send request
         resp = _req(escaped_term, num_results - start,
-                    lang, start, proxies, timeout, SSL_VERIFY)
+                    lang, start, proxies, timeout, safe, SSL_VERIFY)
 
         # Parse
         soup = BeautifulSoup(resp.text, "html.parser")