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Atomic save of the .gns3

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Fix #579
This commit is contained in:
Julien Duponchelle 2016-06-17 17:13:36 +02:00
parent 627ebdb322
commit 49eb7d8ce7
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GPG Key ID: CE8B29639E07F5E8
1 changed files with 2 additions and 1 deletions
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gns3server/controller/project.py
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@ -363,8 +363,9 @@ class Project:
topo = project_to_topology(self) topo = project_to_topology(self)
path = self._topology_file() path = self._topology_file()
log.debug("Write %s", path) log.debug("Write %s", path)
with open(path, "w+") as f: with open(path + ".tmp", "w+") as f:
json.dump(topo, f, indent=4, sort_keys=True) json.dump(topo, f, indent=4, sort_keys=True)
shutil.move(path + ".tmp", path)
except OSError as e: except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Could not write topology: {}".format(e)) raise aiohttp.web.HTTPInternalServerError(text="Could not write topology: {}".format(e))