File resource_leak.patch of Package python-pyxdg

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File resource_leak.patch of Package python-pyxdg (Revision b26e4c1873edc04d143afe075afb6dd8)

Currently displaying revision b26e4c1873edc04d143afe075afb6dd8 , Show latest

From 73476af1eecb8e29f2a461e003a2d8a735d22306 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micka=C3=ABl=20Schoentgen?= <contact@tiger-222.fr>
Date: Sun, 9 Dec 2018 17:31:24 +0100
Subject: Fix several ResourceWarnings: unclosed file

---
 xdg/IniFile.py     | 61 +++++++++++++++++++++++++++---------------------------
 xdg/Mime.py        |  9 +++++---
 xdg/RecentFiles.py | 43 +++++++++++++++++++-------------------
 3 files changed, 57 insertions(+), 56 deletions(-)

diff --git a/xdg/IniFile.py b/xdg/IniFile.py
index 718589f..84be614 100644
--- a/xdg/IniFile.py
+++ b/xdg/IniFile.py
@@ -56,38 +56,37 @@ class IniFile:
                 return
 
         # parse file
-        for line in fd:
-            line = line.strip()
-            # empty line
-            if not line:
-                continue
-            # comment
-            elif line[0] == '#':
-                continue
-            # new group
-            elif line[0] == '[':
-                currentGroup = line.lstrip("[").rstrip("]")
-                if debug and self.hasGroup(currentGroup):
-                    raise DuplicateGroupError(currentGroup, filename)
-                else:
-                    content[currentGroup] = {}
-            # key
-            else:
-                try:
-                    key, value = line.split("=", 1)
-                except ValueError:
-                    raise ParsingError("Invalid line: " + line, filename)
-                
-                key = key.strip() # Spaces before/after '=' should be ignored
-                try:
-                    if debug and self.hasKey(key, currentGroup):
-                        raise DuplicateKeyError(key, currentGroup, filename)
+        with fd:
+            for line in fd:
+                line = line.strip()
+                # empty line
+                if not line:
+                    continue
+                # comment
+                elif line[0] == '#':
+                    continue
+                # new group
+                elif line[0] == '[':
+                    currentGroup = line.lstrip("[").rstrip("]")
+                    if debug and self.hasGroup(currentGroup):
+                        raise DuplicateGroupError(currentGroup, filename)
                     else:
-                        content[currentGroup][key] = value.strip()
-                except (IndexError, UnboundLocalError):
-                    raise ParsingError("Parsing error on key, group missing", filename)
-
-        fd.close()
+                        content[currentGroup] = {}
+                # key
+                else:
+                    try:
+                        key, value = line.split("=", 1)
+                    except ValueError:
+                        raise ParsingError("Invalid line: " + line, filename)
+
+                    key = key.strip() # Spaces before/after '=' should be ignored
+                    try:
+                        if debug and self.hasKey(key, currentGroup):
+                            raise DuplicateKeyError(key, currentGroup, filename)
+                        else:
+                            content[currentGroup][key] = value.strip()
+                    except (IndexError, UnboundLocalError):
+                        raise ParsingError("Parsing error on key, group missing", filename)
 
         self.filename = filename
         self.tainted = False
diff --git a/xdg/Mime.py b/xdg/Mime.py
index 3bff8b2..886cb42 100644
--- a/xdg/Mime.py
+++ b/xdg/Mime.py
@@ -749,14 +749,16 @@ def install_mime_info(application, package_file):
     file with the same name (if the contents are different)"""
     application += '.xml'
 
-    new_data = open(package_file).read()
+    with open(package_file) as f:
+        new_data = f.read()
 
     # See if the file is already installed
     package_dir = os.path.join('mime', 'packages')
     resource = os.path.join(package_dir, application)
     for x in BaseDirectory.load_data_paths(resource):
         try:
-            old_data = open(x).read()
+            with open(x) as f:
+                old_data = f.read()
         except:
             continue
         if old_data == new_data:
@@ -770,7 +772,8 @@ def install_mime_info(application, package_file):
     new_file = os.path.join(BaseDirectory.save_data_path(package_dir), application)
 
     # Write the file...
-    open(new_file, 'w').write(new_data)
+    with open(new_file, 'w') as f:
+        f.write(new_data)
 
     # Update the database...
     command = 'update-mime-database'
diff --git a/xdg/RecentFiles.py b/xdg/RecentFiles.py
index 3038b57..7ee7ee5 100644
--- a/xdg/RecentFiles.py
+++ b/xdg/RecentFiles.py
@@ -71,28 +71,27 @@ class RecentFiles:
         elif not filename:
             filename = self.filename
 
-        f = open(filename, "w")
-        fcntl.lockf(f, fcntl.LOCK_EX)
-        f.write('<?xml version="1.0"?>\n')
-        f.write("<RecentFiles>\n")
-
-        for r in self.RecentFiles:
-            f.write("  <RecentItem>\n")
-            f.write("    <URI>%s</URI>\n" % xml.sax.saxutils.escape(r.URI))
-            f.write("    <Mime-Type>%s</Mime-Type>\n" % r.MimeType)
-            f.write("    <Timestamp>%s</Timestamp>\n" % r.Timestamp)
-            if r.Private == True:
-                f.write("    <Private/>\n")
-            if len(r.Groups) > 0:
-                f.write("    <Groups>\n")
-                for group in r.Groups:
-                    f.write("      <Group>%s</Group>\n" % group)
-                f.write("    </Groups>\n")
-            f.write("  </RecentItem>\n")
-
-        f.write("</RecentFiles>\n")
-        fcntl.lockf(f, fcntl.LOCK_UN)
-        f.close()
+        with open(filename, "w") as f:
+            fcntl.lockf(f, fcntl.LOCK_EX)
+            f.write('<?xml version="1.0"?>\n')
+            f.write("<RecentFiles>\n")
+
+            for r in self.RecentFiles:
+                f.write("  <RecentItem>\n")
+                f.write("    <URI>%s</URI>\n" % xml.sax.saxutils.escape(r.URI))
+                f.write("    <Mime-Type>%s</Mime-Type>\n" % r.MimeType)
+                f.write("    <Timestamp>%s</Timestamp>\n" % r.Timestamp)
+                if r.Private == True:
+                    f.write("    <Private/>\n")
+                if len(r.Groups) > 0:
+                    f.write("    <Groups>\n")
+                    for group in r.Groups:
+                        f.write("      <Group>%s</Group>\n" % group)
+                    f.write("    </Groups>\n")
+                f.write("  </RecentItem>\n")
+
+            f.write("</RecentFiles>\n")
+            fcntl.lockf(f, fcntl.LOCK_UN)
 
     def getFiles(self, mimetypes=None, groups=None, limit=0):
         """Get a list of recently used files.
-- 
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File resource_leak.patch of Package python-pyxdg (Revision b26e4c1873edc04d143afe075afb6dd8)

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