From c2895cfbc04b9b860395d7ddb1f2ffebe2532202 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 16 Nov 2018 08:46:32 +0530
Subject: [PATCH] Use lopen() in the container class

---
 src/calibre/ebooks/oeb/polish/container.py | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/calibre/ebooks/oeb/polish/container.py b/src/calibre/ebooks/oeb/polish/container.py
index c9e4ae8f29..5eb728eaa7 100644
--- a/src/calibre/ebooks/oeb/polish/container.py
+++ b/src/calibre/ebooks/oeb/polish/container.py
@@ -564,7 +564,7 @@ class Container(ContainerBase):  # {{{
         return set()
 
     def parse(self, path, mime):
-        with open(path, 'rb') as src:
+        with lopen(path, 'rb') as src:
             data = src.read()
         if mime in OEB_DOCS:
             data = self.parse_xhtml(data, self.relpath(path))
@@ -944,7 +944,7 @@ class Container(ContainerBase):  # {{{
         base = os.path.dirname(path)
         if not os.path.exists(base):
             os.makedirs(base)
-        open(path, 'wb').close()
+        lopen(path, 'wb').close()
         return item
 
     def format_opf(self):
@@ -999,7 +999,7 @@ class Container(ContainerBase):  # {{{
         if self.cloned and nlinks_file(dest) > 1:
             # Decouple this file from its links
             os.unlink(dest)
-        with open(dest, 'wb') as f:
+        with lopen(dest, 'wb') as f:
             f.write(data)
 
     def filesize(self, name):
@@ -1040,7 +1040,7 @@ class Container(ContainerBase):  # {{{
         this will commit the file if it is dirtied and remove it from the parse
         cache. You must finish with this file before accessing the parsed
         version of it again, or bad things will happen. '''
-        return open(self.get_file_path_for_processing(name, mode not in {'r', 'rb'}), mode)
+        return lopen(self.get_file_path_for_processing(name, mode not in {'r', 'rb'}), mode)
 
     def commit(self, outpath=None, keep_parsed=False):
         '''
@@ -1058,7 +1058,7 @@ class Container(ContainerBase):  # {{{
         mismatches = []
         for name, path in self.name_path_map.iteritems():
             opath = other.name_path_map[name]
-            with open(path, 'rb') as f1, open(opath, 'rb') as f2:
+            with lopen(path, 'rb') as f1, lopen(opath, 'rb') as f2:
                 if f1.read() != f2.read():
                     mismatches.append('The file %s is not the same'%name)
         return '\n'.join(mismatches)
@@ -1131,7 +1131,7 @@ class EpubContainer(Container):
                 if fname is not None:
                     shutil.copy(os.path.join(dirpath, fname), os.path.join(base, fname))
         else:
-            with open(self.pathtoepub, 'rb') as stream:
+            with lopen(self.pathtoepub, 'rb') as stream:
                 try:
                     zf = ZipFile(stream)
                     zf.extractall(tdir)
@@ -1348,12 +1348,12 @@ class EpubContainer(Container):
                     if err.errno != errno.EEXIST:
                         raise
                 for fname in filenames:
-                    with open(os.path.join(dirpath, fname), 'rb') as src, open(os.path.join(base, fname), 'wb') as dest:
+                    with lopen(os.path.join(dirpath, fname), 'rb') as src, lopen(os.path.join(base, fname), 'wb') as dest:
                         shutil.copyfileobj(src, dest)
 
         else:
             from calibre.ebooks.tweak import zip_rebuilder
-            with open(join(self.root, 'mimetype'), 'wb') as f:
+            with lopen(join(self.root, 'mimetype'), 'wb') as f:
                 f.write(guess_type('a.epub'))
             zip_rebuilder(self.root, outpath)
             for name, data in restore_fonts.iteritems():
@@ -1439,7 +1439,7 @@ class AZW3Container(Container):
             tdir = PersistentTemporaryDirectory('_azw3_container')
         tdir = os.path.abspath(os.path.realpath(tdir))
         self.root = tdir
-        with open(pathtoazw3, 'rb') as stream:
+        with lopen(pathtoazw3, 'rb') as stream:
             raw = stream.read(3)
             if raw == b'TPZ':
                 raise InvalidMobi(_('This is not a MOBI file. It is a Topaz file.'))