Create Bard.py

g4f/Provider/Providers/Bard.py

@@ -0,0 +1,74 @@
+import os, requests, json, browser_cookie3, re, random
+from ...typing import sha256, Dict, get_type_hints
+
+url = 'https://bard.google.com'
+model = ['Palm2']
+supports_stream = False
+needs_auth = True
+
+def _create_completion(model: str, messages: list, stream: bool, **kwargs):
+    psid = {cookie.name: cookie.value for cookie in browser_cookie3.chrome(
+        domain_name='.google.com')}['__Secure-1PSID']
+    
+    formatted = '\n'.join([
+        '%s: %s' % (message['role'], message['content']) for message in messages
+    ])
+    prompt = f'{formatted}\nAssistant:'
+
+    proxy = kwargs.get('proxy', False)
+    if proxy == False:
+        print('warning!, you did not give a proxy, a lot of countries are banned from Google Bard, so it may not work')
+    
+    snlm0e = None
+    conversation_id = None
+    response_id = None
+    choice_id = None
+
+    client = requests.Session()
+    client.proxies = {
+        'http': f'http://{proxy}',
+        'https': f'http://{proxy}'} if proxy else None
+
+    client.headers = {
+        'authority': 'bard.google.com',
+        'content-type': 'application/x-www-form-urlencoded;charset=UTF-8',
+        'origin': 'https://bard.google.com',
+        'referer': 'https://bard.google.com/',
+        'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36',
+        'x-same-domain': '1',
+        'cookie': f'__Secure-1PSID={psid}'
+    }
+
+    snlm0e = re.search(r'SNlM0e\":\"(.*?)\"',
+                    client.get('https://bard.google.com/').text).group(1) if not snlm0e else snlm0e
+
+    params = {
+        'bl': 'boq_assistant-bard-web-server_20230326.21_p0',
+        '_reqid': random.randint(1111, 9999),
+        'rt': 'c'
+    }
+
+    data = {
+        'at': snlm0e,
+        'f.req': json.dumps([None, json.dumps([[prompt], None, [conversation_id, response_id, choice_id]])])}
+
+    intents = '.'.join([
+        'assistant',
+        'lamda',
+        'BardFrontendService'
+    ])
+
+    response = client.post(f'https://bard.google.com/_/BardChatUi/data/{intents}/StreamGenerate',
+                        data=data, params=params)
+
+    chat_data = json.loads(response.content.splitlines()[3])[0][2]
+    if chat_data:
+        json_chat_data = json.loads(chat_data)
+
+        yield json_chat_data[0][0]
+        
+    else:
+        yield 'error'
+
+params = f'g4f.Providers.{os.path.basename(__file__)[:-3]} supports: ' + \
+    '(%s)' % ', '.join([f"{name}: {get_type_hints(_create_completion)[name].__name__}" for name in _create_completion.__code__.co_varnames[:_create_completion.__code__.co_argcount]])