From e5b7f72b719814ffa2748e8e8ed1c6713a24e1a6 Mon Sep 17 00:00:00 2001
From: Heiner Lohaus <hlohaus@users.noreply.github.com>
Date: Thu, 22 Feb 2024 00:16:58 +0100
Subject: Move some modules, create providers dir Set min version for
 duckduckgo Make duckduckgo search async Remove get_lastet_version

---
 g4f/providers/helper.py | 61 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 g4f/providers/helper.py

(limited to 'g4f/providers/helper.py')

diff --git a/g4f/providers/helper.py b/g4f/providers/helper.py
new file mode 100644
index 00000000..49d033d1
--- /dev/null
+++ b/g4f/providers/helper.py
@@ -0,0 +1,61 @@
+from __future__ import annotations
+
+import random
+import secrets
+import string
+from aiohttp import BaseConnector
+
+from ..typing import Messages, Optional
+from ..errors import MissingRequirementsError
+
+def format_prompt(messages: Messages, add_special_tokens=False) -> str:
+    """
+    Format a series of messages into a single string, optionally adding special tokens.
+
+    Args:
+        messages (Messages): A list of message dictionaries, each containing 'role' and 'content'.
+        add_special_tokens (bool): Whether to add special formatting tokens.
+
+    Returns:
+        str: A formatted string containing all messages.
+    """
+    if not add_special_tokens and len(messages) <= 1:
+        return messages[0]["content"]
+    formatted = "\n".join([
+        f'{message["role"].capitalize()}: {message["content"]}'
+        for message in messages
+    ])
+    return f"{formatted}\nAssistant:"
+
+def get_random_string(length: int = 10) -> str:
+    """
+    Generate a random string of specified length, containing lowercase letters and digits.
+
+    Args:
+        length (int, optional): Length of the random string to generate. Defaults to 10.
+
+    Returns:
+        str: A random string of the specified length.
+    """
+    return ''.join(
+        random.choice(string.ascii_lowercase + string.digits)
+        for _ in range(length)
+    )
+
+def get_random_hex() -> str:
+    """
+    Generate a random hexadecimal string of a fixed length.
+
+    Returns:
+        str: A random hexadecimal string of 32 characters (16 bytes).
+    """
+    return secrets.token_hex(16).zfill(32)
+
+def get_connector(connector: BaseConnector = None, proxy: str = None) -> Optional[BaseConnector]:
+    if proxy and not connector:
+        try:
+            from aiohttp_socks import ProxyConnector
+            connector = ProxyConnector.from_url(proxy)
+        except ImportError:
+            raise MissingRequirementsError('Install "aiohttp_socks" package for proxy support')
+    return connector
\ No newline at end of file
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