fix python 3.6 support. fix #22

DEVELOP.md

@@ -7,6 +7,14 @@ Clone code to local
 git clone --depth 5 https://github.com/alibaba/tidevice
 ```
 
+## Certificate
+[各种安全证书间的关系及相关操作](https://www.jianshu.com/p/96df7de54375)
+
+
+## Pair
+1. Retrieve **Device Public Key** from device
+2. Generate **Host Key**
+
 ## View DeveloperDiskImage Content
 For example
 
@@ -36,4 +44,4 @@ Ref: https://packaging.python.org/guides/publishing-package-distribution-release
 - <https://github.com/troybowman/dtxmsg>
 - <https://github.com/troybowman/ios_instruments_client>
 - Binary of libimobiledevice for Windows <http://docs.quamotion.mobi/docs/imobiledevice/>
-- https://pypi.org/project/hexdump/
+- https://pypi.org/project/hexdump/

examples/get_bundle_id_from_ipa.py

@@ -0,0 +1,6 @@
+# coding: utf-8
+
+from tidevice._ipautil import IPAReader
+
+ir = IPAReader("./testExample.ipa")
+print(ir.get_bundle_id())

setup.py

@@ -3,8 +3,8 @@
 import sys
 import setuptools
 
-if sys.version_info[:2] <= (3, 6):
-    sys.exit("\n*** tidevice requires Python version 3.7+")
+#if sys.version_info[:2] <= (3, 6):
+#    sys.exit("\n*** tidevice requires Python version 3.7+")
 
 setuptools.setup(
-    setup_requires=['pbr'], pbr=True, python_requires=">=3.7")
+    setup_requires=['pbr'], pbr=True, python_requires=">=3.6")

tidevice/_ipautil.py

@@ -3,6 +3,9 @@
 #
 
 import re
+import sys
+import tempfile
+import shutil
 import typing
 import zipfile
 from typing import Union
@@ -50,6 +53,12 @@ def get_mobileprovision(self) -> dict:
     def get_infoplist(self) -> dict:
         finfo = self.get_infoplist_zipinfo()
         with self.open(finfo, 'r') as fp:
+            if sys.version_info[:2] <= (3, 6):
+                # for compatiable with py3.6
+                with tempfile.TemporaryFile() as tmpf:
+                    shutil.copyfileobj(fp, tmpf)
+                    tmpf.seek(0)
+                    return bplist.load(tmpf)
             return bplist.load(fp)
 
     def get_bundle_id(self) -> str: