Python AddonManager.clean_addons方法代码示例

# 需要导入模块: from addons import AddonManager [as 别名]
# 或者: from addons.AddonManager import clean_addons [as 别名]

#.........这里部分代码省略.........

            if isinstance(preferences, dict):
                # order doesn't matter
                preferences = preferences.items()

            # write the preferences
            f.write('\n%s\n' % self.delimeters[0])
            _prefs = [(json.dumps(k), json.dumps(v) )
                      for k, v in preferences]
            for _pref in _prefs:
                f.write('user_pref(%s, %s);\n' % _pref)
            f.write('%s\n' % self.delimeters[1])
        f.close()

    def pop_preferences(self, filename):
        """
        pop the last set of preferences added
        returns True if popped
        """

        lines = file(os.path.join(self.profile, filename)).read().splitlines()
        def last_index(_list, value):
            """
            returns the last index of an item;
            this should actually be part of python code but it isn't
            """
            for index in reversed(range(len(_list))):
                if _list[index] == value:
                    return index
        s = last_index(lines, self.delimeters[0])
        e = last_index(lines, self.delimeters[1])

        # ensure both markers are found
        if s is None:
            assert e is None, '%s found without %s' % (self.delimeters[1], self.delimeters[0])
            return False # no preferences found
        elif e is None:
            assert s is None, '%s found without %s' % (self.delimeters[0], self.delimeters[1])

        # ensure the markers are in the proper order
        assert e > s, '%s found at %s, while %s found at %s' % (self.delimeters[1], e, self.delimeters[0], s)

        # write the prefs
        cleaned_prefs = '\n'.join(lines[:s] + lines[e+1:])
        f = file(os.path.join(self.profile, 'user.js'), 'w')
        f.write(cleaned_prefs)
        f.close()
        return True

    def clean_preferences(self):
        """Removed preferences added by mozrunner."""
        for filename in self.written_prefs:
            if not os.path.exists(os.path.join(self.profile, filename)):
                # file has been deleted
                break
            while True:
                if not self.pop_preferences(filename):
                    break

    ### cleanup

    def _cleanup_error(self, function, path, excinfo):
        """ Specifically for windows we need to handle the case where the windows
            process has not yet relinquished handles on files, so we do a wait/try
            construct and timeout if we can't get a clear road to deletion
        """

        try:
            from exceptions import WindowsError
            from time import sleep
            def is_file_locked():
                return excinfo[0] is WindowsError and excinfo[1].winerror == 32

            if excinfo[0] is WindowsError and excinfo[1].winerror == 32:
                # Then we're on windows, wait to see if the file gets unlocked
                # we wait 10s
                count = 0
                while count < 10:
                    sleep(1)
                    try:
                        function(path)
                        break
                    except:
                        count += 1
        except ImportError:
            # We can't re-raise an error, so we'll hope the stuff above us will throw
            pass

    def cleanup(self):
        """Cleanup operations for the profile."""
        if self.restore:
            if self.create_new:
                if os.path.exists(self.profile):
                    rmtree(self.profile, onerror=self._cleanup_error)
            else:
                self.clean_preferences()
                self.addon_manager.clean_addons()
                self.permissions.clean_db()

    __del__ = cleanup

# 需要导入模块: from addons import AddonManager [as 别名]
# 或者: from addons.AddonManager import clean_addons [as 别名]

#.........这里部分代码省略.........
            process has not yet relinquished handles on files, so we do a wait/try
            construct and timeout if we can't get a clear road to deletion
        """

        try:
            from exceptions import WindowsError
            from time import sleep
            def is_file_locked():
                return excinfo[0] is WindowsError and excinfo[1].winerror == 32

            if excinfo[0] is WindowsError and excinfo[1].winerror == 32:
                # Then we're on windows, wait to see if the file gets unlocked
                # we wait 10s
                count = 0
                while count < 10:
                    sleep(1)
                    try:
                        function(path)
                        break
                    except:
                        count += 1
        except ImportError:
            # We can't re-raise an error, so we'll hope the stuff above us will throw
            pass

    def cleanup(self):
        """Cleanup operations for the profile."""
        if self.restore:
            if self.create_new:
                if os.path.exists(self.profile):
                    rmtree(self.profile, onerror=self._cleanup_error)
            else:
                self.clean_preferences()
                self.addon_manager.clean_addons()
                self.permissions.clean_db()
                self.webapps.clean()

    __del__ = cleanup

    ### methods for introspection

    def summary(self, return_parts=False):
        """
        returns string summarizing profile information.
        if return_parts is true, return the (Part_name, value) list
        of tuples instead of the assembled string
        """

        parts = [('Path', self.profile)] # profile path

        # directory tree
        parts.append(('Files', '\n%s' % tree(self.profile)))

        # preferences
        for prefs_file in ('user.js', 'prefs.js'):
            path = os.path.join(self.profile, prefs_file)
            if os.path.exists(path):

                # prefs that get their own section
                # This is currently only 'network.proxy.autoconfig_url'
                # but could be expanded to include others
                section_prefs = ['network.proxy.autoconfig_url']
                line_length = 80
                line_length_buffer = 10 # buffer for 80 character display: length = 80 - len(key) - len(': ') - line_length_buffer
                line_length_buffer += len(': ')
                def format_value(key, value):