[Pkg-privacy-commits] [txtorcon] 15/49: add .is_built Deferred to Circuit

[Ximin Luo]

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infinity0 pushed a commit to branch master
in repository txtorcon.

commit 8926c5cd75c2ab9af355c92324028422b6774551
Author: meejah <meejah at meejah.ca>
Date:   Sun May 31 14:42:38 2015 -0600

    add .is_built Deferred to Circuit
---
 docs/releases.rst   | 1 +
 txtorcon/circuit.py | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/docs/releases.rst b/docs/releases.rst
index bd5c1ba..d660359 100644
--- a/docs/releases.rst
+++ b/docs/releases.rst
@@ -13,6 +13,7 @@ unreleased
 `git master <https://github.com/meejah/txtorcon>`_ *will likely become v0.14.0*
 
  * :class:`txtorcon.interface.IStreamAttacher` handling was missing ``None`` and ``DO_NOT_ATTACH`` cases if a Deferred was returned.
+ * add ``.is_built`` Deferred to :class:`txtorcon.Circuit` that get `callback()`d when the circuit becomes BUILT
 
 
 v0.13.0
diff --git a/txtorcon/circuit.py b/txtorcon/circuit.py
index 8f954f8..c9fb8b5 100644
--- a/txtorcon/circuit.py
+++ b/txtorcon/circuit.py
@@ -59,6 +59,9 @@ class Circuit(object):
 
     :ivar id:
         The ID of this circuit, a number (or None if unset).
+
+    :ivar is_built:
+        A Deferred that will callback() when this Circuit hits BUILT state.
     """
 
     def __init__(self, routercontainer):
@@ -77,6 +80,9 @@ class Circuit(object):
         self.build_flags = []
         self.flags = {}
 
+        #: callback()d when this circuit hits BUILT
+        self.is_built = defer.Deferred()
+
         # this is used to hold a Deferred that will callback() when
         # this circuit is being CLOSED or FAILED.
         self._closing_deferred = None
@@ -177,6 +183,8 @@ class Circuit(object):
 
         if self.state == 'BUILT':
             [x.circuit_built(self) for x in self.listeners]
+            if not self.is_built.called:
+                self.is_built.callback(self)
 
         elif self.state == 'CLOSED':
             if len(self.streams) > 0:

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