[tor-commits] [stem/master] Supporting 'SAVECONF FORCE' flag

[atagar@xxxxxxxxxxxxxx]

commit f5666b967510463fdd02b8f6de8746d86b5893cd
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Mon Jul 3 15:31:15 2017 -0700

    Supporting 'SAVECONF FORCE' flag
    
    When the torrc has an %include clause tor refuses SAVECONF requests unless the
    caller specifies 'FORCE'. Letting callers include this...
    
      https://gitweb.torproject.org/torspec.git/commit/?id=5c82d5e
---
 docs/change_log.rst |  1 +
 stem/control.py     | 13 +++++++++++--
 stem/version.py     |  2 ++
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/docs/change_log.rst b/docs/change_log.rst
index 286d35f..c4a4af3 100644
--- a/docs/change_log.rst
+++ b/docs/change_log.rst
@@ -48,6 +48,7 @@ The following are only available within Stem's `git repository
   * :func:`~stem.process.launch_tor` raised a ValueError if invoked when outside the main thread
   * Failure to authenticate could raise an improper response or hang (:trac:`22679`)
   * Renamed :class:`~stem.response.events.ConnectionBandwidthEvent` type attribute to conn_type to avoid conflict with parent class (:trac:`21774`)
+  * Added 'force' argument to :func:`~stem.control.Controller.save_conf` (:spec:`5c82d5e`)
   * Added the QUERY_NO_HSDIR :data:`~stem.HSDescReason` and recognizing unknown HSDir results (:spec:`1412d79`)
   * Added the GUARD_WAIT :data:`~stem.CircStatus` (:spec:`6446210`)
   * Unable to use cookie auth when path includes wide characters (chinese, japanese, etc)
diff --git a/stem/control.py b/stem/control.py
index e7d7977..95b4d91 100644
--- a/stem/control.py
+++ b/stem/control.py
@@ -3154,17 +3154,26 @@ class Controller(BaseController):
     elif not response.is_ok():
       raise stem.ProtocolError('+LOADCONF Received unexpected response\n%s' % str(response))
 
-  def save_conf(self):
+  def save_conf(self, force = False):
     """
     Saves the current configuration options into the active torrc file.
 
+    .. versionchanged:: 1.6.0
+       Added the force argument.
+
+    :param bool force: overwrite the configuration even if it includes a
+      '%include' clause, this is ignored if tor doesn't support it
+
     :raises:
       * :class:`stem.ControllerError` if the call fails
       * :class:`stem.OperationFailed` if the client is unable to save
         the configuration file
     """
 
-    response = self.msg('SAVECONF')
+    if self.get_version() < stem.version.Requirement.SAVECONF_FORCE:
+      force = False
+
+    response = self.msg('SAVECONF FORCE' if force else 'SAVECONF')
     stem.response.convert('SINGLELINE', response)
 
     if response.is_ok():
diff --git a/stem/version.py b/stem/version.py
index b8960a5..7c347d5 100644
--- a/stem/version.py
+++ b/stem/version.py
@@ -67,6 +67,7 @@ easily parsed and compared, for instance...
   **ADD_ONION_NON_ANONYMOUS**           ADD_ONION supports non-anonymous mode
   **LOADCONF**                          LOADCONF requests
   **MICRODESCRIPTOR_IS_DEFAULT**        Tor gets microdescriptors by default rather than server descriptors
+  **SAVECONF_FORCE**                    Added the 'FORCE' flag to SAVECONF
   **TAKEOWNERSHIP**                     TAKEOWNERSHIP requests
   **TORRC_CONTROL_SOCKET**              'ControlSocket <path>' config option
   **TORRC_PORT_FORWARDING**             'PortForwarding' config option
@@ -376,6 +377,7 @@ Requirement = stem.util.enum.Enum(
   ('ADD_ONION_NON_ANONYMOUS', Version('0.2.9.3-alpha')),
   ('LOADCONF', Version('0.2.1.1')),
   ('MICRODESCRIPTOR_IS_DEFAULT', Version('0.2.3.3')),
+  ('SAVECONF_FORCE', Version('0.3.1.1-alpha')),
   ('TAKEOWNERSHIP', Version('0.2.2.28-beta')),
   ('TORRC_CONTROL_SOCKET', Version('0.2.0.30')),
   ('TORRC_PORT_FORWARDING', Version('0.2.3.1-alpha')),

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