Add explicit encoding to open() calls.

qutebrowser/app.py

@@ -276,7 +276,7 @@ class Application(QApplication):
                                'crash.log')
         # First check if an old logfile exists.
         if os.path.exists(logname):
-            with open(logname, 'r') as f:
+            with open(logname, 'r', encoding='ascii') as f:
                 data = f.read()
             if data:
                 # Crashlog exists and has data in it, so something crashed
@@ -309,7 +309,7 @@ class Application(QApplication):
         """Start a new logfile and redirect faulthandler to it."""
         logname = os.path.join(get_standard_dir(QStandardPaths.DataLocation),
                                'crash.log')
-        self._crashlogfile = open(logname, 'w')
+        self._crashlogfile = open(logname, 'w', encoding='ascii')
         faulthandler.enable(self._crashlogfile)
         if (hasattr(faulthandler, 'register') and
                 hasattr(signal, 'SIGUSR1')):

qutebrowser/commands/userscripts.py

@@ -78,7 +78,8 @@ class _BlockingFIFOReader(QObject):
         # We also use os.open and os.fdopen rather than built-in open so we can
         # add O_NONBLOCK.
         fd = os.open(self.filepath, os.O_RDWR |
-                     os.O_NONBLOCK)  # pylint: disable=no-member
+                     os.O_NONBLOCK,
+                     encoding='utf-8')  # pylint: disable=no-member
         self.fifo = os.fdopen(fd, 'r')
         while True:
             logger.debug("thread loop")
@@ -279,7 +280,7 @@ class _WindowsUserscriptRunner(_BaseUserscriptRunner):
             got_cmd: Emitted for every command in the file.
         """
         logger.debug("proc finished")
-        with open(self.filepath, 'r') as f:
+        with open(self.filepath, 'r', encoding='utf-8') as f:
             for line in f:
                 self.got_cmd.emit(line.rstrip())
         self._cleanup()

qutebrowser/utils/misc.py

@@ -78,7 +78,7 @@ def read_file(filename):
     if hasattr(sys, 'frozen'):
         # cx_Freeze doesn't support pkg_resources :(
         fn = os.path.join(os.path.dirname(sys.executable), filename)
-        with open(fn, 'r', encoding='UTF-8') as f:
+        with open(fn, 'r', encoding='utf-8') as f:
             return f.read()
     else:
         return resource_string(qutebrowser.__name__, filename).decode('UTF-8')
@@ -193,7 +193,8 @@ def actute_warning():
             return
     except ValueError:
         pass
-    with open('/usr/share/X11/locale/en_US.UTF-8/Compose', 'r') as f:
+    with open('/usr/share/X11/locale/en_US.UTF-8/Compose', 'r',
+              encoding='utf-8') as f:
         for line in f:
             if '<dead_actute>' in line:
                 if sys.stdout is not None:

qutebrowser/utils/version.py

@@ -128,7 +128,7 @@ def _release_info():
     data = []
     for fn in glob.glob("/etc/*-release"):
         try:
-            with open(fn, 'r') as f:
+            with open(fn, 'r', encoding='utf-8') as f:
                 data.append((fn, ''.join(f.readlines())))
         except IOError as e:
             logger.warning("Error while reading {}: {}: {}".format(

scripts/setupcommon.py

@@ -35,7 +35,7 @@ BASEDIR = os.path.join(os.path.dirname(os.path.realpath(__file__)),
 
 def read_file(name):
     """Get the string contained in the file named name."""
-    with open(name, encoding='utf-8') as f:
+    with open(name, 'r', encoding='utf-8') as f:
         return f.read()
 
 
@@ -87,7 +87,8 @@ def write_git_file():
     gitstr = _git_str()
     if gitstr is None:
         gitstr = ''
-    with open(os.path.join(BASEDIR, 'qutebrowser', 'git-commit-id'), 'w') as f:
+    path = os.path.join(BASEDIR, 'qutebrowser', 'git-commit-id')
+    with open(path, 'w', encoding='utf-8') as f:
         f.write(gitstr)