add sender.py and logger.py from py-zabbix 1.1.7 (https://github.com/adubkov/py-zabbix)

pyzabbix/__init__.py

@@ -5,3 +5,4 @@
     ZabbixAPIObject,
     ZabbixAPIObjectClass,
 )
+from .sender import ZabbixMetric, ZabbixSender, ZabbixResponse

pyzabbix/logger.py

@@ -0,0 +1,75 @@
+# -*- encoding: utf-8 -*-
+#
+# Copyright © 2014 Alexey Dubkov
+#
+# This file is part of py-zabbix.
+#
+# Py-zabbix is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Py-zabbix is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with py-zabbix. If not, see <http://www.gnu.org/licenses/>.
+import logging
+import re
+
+
+class NullHandler(logging.Handler):
+    """Null logger handler.
+
+    :class:`NullHandler` will be used if there are no other logger handlers.
+    """
+
+    def emit(self, record):
+        pass
+
+
+class HideSensitiveFilter(logging.Filter):
+    """Filter to hide sensitive Zabbix info (password, auth) in logs"""
+
+    def __init__(self, *args, **kwargs):
+        super(logging.Filter, self).__init__(*args, **kwargs)
+        self.hide_sensitive = HideSensitiveService.hide_sensitive
+
+    def filter(self, record):
+
+        record.msg = self.hide_sensitive(record.msg)
+        if record.args:
+            newargs = [self.hide_sensitive(arg) if isinstance(arg, str)
+                       else arg for arg in record.args]
+            record.args = tuple(newargs)
+
+        return 1
+
+
+class HideSensitiveService(object):
+    """
+    Service to hide sensitive Zabbix info (password, auth tokens)
+    Call classmethod hide_sensitive(message: str)
+    """
+
+    HIDEMASK = "********"
+    _pattern = re.compile(
+        r'(?P<key>password)["\']\s*:\s*u?["\'](?P<password>.+?)["\']'
+        r'|'
+        r'\W(?P<token>[a-z0-9]{32})')
+
+    @classmethod
+    def hide_sensitive(cls, message):
+        def hide(m):
+            if m.group('key') == 'password':
+                return m.string[m.start():m.end()].replace(
+                    m.group('password'), cls.HIDEMASK)
+            else:
+                return m.string[m.start():m.end()].replace(
+                    m.group('token'), cls.HIDEMASK)
+
+        message = re.sub(cls._pattern, hide, message)
+
+        return message