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https://github.com/GNS3/gns3-server
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Simplify conversion process from 1.3 to 2.0
This could avoid some corruption issue.
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@ -23,7 +23,6 @@ import glob
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import shutil
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import zipfile
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import aiohttp
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import platform
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import jsonschema
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@ -117,34 +116,33 @@ def load_topology(path):
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topo = json.load(f)
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except (OSError, UnicodeDecodeError, ValueError) as e:
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raise aiohttp.web.HTTPConflict(text="Could not load topology {}: {}".format(path, str(e)))
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if "revision" not in topo or topo["revision"] < 5:
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if topo.get("revision", 0) > GNS3_FILE_FORMAT_REVISION:
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raise aiohttp.web.HTTPConflict(text="This project is designed for a more recent version of GNS3 please update GNS3 to version {} or later".format(topo["version"]))
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changed = False
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if "revision" not in topo or topo["revision"] < GNS3_FILE_FORMAT_REVISION:
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# If it's an old GNS3 file we need to convert it
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# first we backup the file
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shutil.copy(path, path + ".backup{}".format(topo.get("revision", 0)))
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changed = True
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if "revision" not in topo or topo["revision"] < 5:
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topo = _convert_1_3_later(topo, path)
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_check_topology_schema(topo)
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with open(path, "w+", encoding="utf-8") as f:
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json.dump(topo, f, indent=4, sort_keys=True)
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# Version before GNS3 2.0 alpha 4
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if topo["revision"] < 6:
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shutil.copy(path, path + ".backup{}".format(topo.get("revision", 0)))
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topo = _convert_2_0_0_alpha(topo, path)
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_check_topology_schema(topo)
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with open(path, "w+", encoding="utf-8") as f:
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json.dump(topo, f, indent=4, sort_keys=True)
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# Version before GNS3 2.0 beta 3
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if topo["revision"] < 7:
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shutil.copy(path, path + ".backup{}".format(topo.get("revision", 0)))
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topo = _convert_2_0_0_beta_2(topo, path)
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_check_topology_schema(topo)
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_check_topology_schema(topo)
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if changed:
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with open(path, "w+", encoding="utf-8") as f:
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json.dump(topo, f, indent=4, sort_keys=True)
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if topo["revision"] > GNS3_FILE_FORMAT_REVISION:
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raise aiohttp.web.HTTPConflict(text="This project is designed for a more recent version of GNS3 please update GNS3 to version {} or later".format(topo["version"]))
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_check_topology_schema(topo)
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return topo
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