From 9670576b04037bc68430179e5ad5451292f0eaf1 Mon Sep 17 00:00:00 2001
From: Neizvestnyj <pikromat1995@gmail.com>
Date: Sun, 1 May 2022 13:22:01 +0300
Subject: [PATCH] Added py3dns recipe (#2590)

* Added py3dns recipe
* Update py3dns recipe
---
 pythonforandroid/recipes/py3dns/__init__.py   | 13 +++++++++
 .../recipes/py3dns/patches/android.patch      | 27 +++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 pythonforandroid/recipes/py3dns/__init__.py
 create mode 100644 pythonforandroid/recipes/py3dns/patches/android.patch

diff --git a/pythonforandroid/recipes/py3dns/__init__.py b/pythonforandroid/recipes/py3dns/__init__.py
new file mode 100644
index 0000000000..bccb39fc72
--- /dev/null
+++ b/pythonforandroid/recipes/py3dns/__init__.py
@@ -0,0 +1,13 @@
+from pythonforandroid.recipe import PythonRecipe
+
+
+class Py3DNSRecipe(PythonRecipe):
+    site_packages_name = 'DNS'
+    version = '3.2.1'
+    url = 'https://launchpad.net/py3dns/trunk/{version}/+download/py3dns-{version}.tar.gz'
+    depends = ['setuptools']
+    patches = ['patches/android.patch']
+    call_hostpython_via_targetpython = False
+
+
+recipe = Py3DNSRecipe()
diff --git a/pythonforandroid/recipes/py3dns/patches/android.patch b/pythonforandroid/recipes/py3dns/patches/android.patch
new file mode 100644
index 0000000000..f9ab78f07f
--- /dev/null
+++ b/pythonforandroid/recipes/py3dns/patches/android.patch
@@ -0,0 +1,27 @@
+diff --git a/DNS/Base.py b/DNS/Base.py
+index 34a6da7..a558889 100644
+--- a/DNS/Base.py
++++ b/DNS/Base.py
+@@ -15,6 +15,7 @@ import socket, string, types, time, select
+ import errno
+ from . import Type,Class,Opcode
+ import asyncore
++import os
+ #
+ # This random generator is used for transaction ids and port selection.  This
+ # is important to prevent spurious results from lost packets, and malicious
+@@ -50,8 +51,12 @@ defaults= { 'protocol':'udp', 'port':53, 'opcode':Opcode.QUERY,
+ 
+ def ParseResolvConf(resolv_path="/etc/resolv.conf"):
+     "parses the /etc/resolv.conf file and sets defaults for name servers"
+-    with open(resolv_path, 'r') as stream:
+-        return ParseResolvConfFromIterable(stream)
++    if os.path.exists(resolv_path):
++        with open(resolv_path, 'r') as stream:
++            return ParseResolvConfFromIterable(stream)
++    else:
++        defaults['server'].append('127.0.0.1')
++        return
+ 
+ def ParseResolvConfFromIterable(lines):
+     "parses a resolv.conf formatted stream and sets defaults for name servers"