From d38846f126413bec8685c87beb8d681826a6de22 Mon Sep 17 00:00:00 2001
From: shortcutme <tamas@zeronet.io>
Date: Fri, 31 May 2019 15:08:30 +0200
Subject: [PATCH] Rev4099, Fix ZipStream for older Python versions

---
 plugins/Sidebar/ZipStream.py | 8 +++++---
 src/Config.py                | 2 +-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/plugins/Sidebar/ZipStream.py b/plugins/Sidebar/ZipStream.py
index b600ddc7..b6e05b21 100644
--- a/plugins/Sidebar/ZipStream.py
+++ b/plugins/Sidebar/ZipStream.py
@@ -6,6 +6,7 @@ class ZipStream(object):
     def __init__(self, dir_path):
         self.dir_path = dir_path
         self.pos = 0
+        self.buff_pos = 0
         self.zf = zipfile.ZipFile(self, 'w', zipfile.ZIP_DEFLATED, allowZip64=True)
         self.buff = io.BytesIO()
         self.file_list = self.getFileList()
@@ -27,6 +28,7 @@ class ZipStream(object):
         back = self.buff.read()
         self.buff.truncate(0)
         self.buff.seek(0)
+        self.buff_pos += len(back)
         return back
 
     def write(self, data):
@@ -37,9 +39,9 @@ class ZipStream(object):
         return self.pos
 
     def seek(self, pos, whence=0):
-        self.buff.seek(pos, whence)
-        self.pos = pos
-        pass
+        if pos >= self.buff_pos:
+            self.buff.seek(pos - self.buff_pos, whence)
+            self.pos = pos
 
     def flush(self):
         pass
diff --git a/src/Config.py b/src/Config.py
index 4ee95084..ae0428f8 100644
--- a/src/Config.py
+++ b/src/Config.py
@@ -13,7 +13,7 @@ class Config(object):
 
     def __init__(self, argv):
         self.version = "0.7.0"
-        self.rev = 4098
+        self.rev = 4099
         self.argv = argv
         self.action = None
         self.pending_changes = {}