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Fix writing bytes to string-stream

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Don't open the file first. We can let the zipfile module handle that.

Contributes to issue CURA-8055.
This commit is contained in:
Ghostkeeper 2021-06-09 17:08:57 +02:00
parent ec727e1068
commit 66b2825a66
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1 changed files with 10 additions and 11 deletions
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21
cura/Machines/Models/MaterialManagementModel.py
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@ -298,14 +298,13 @@ class MaterialManagementModel(QObject):
def exportAll(self, file_path: QUrl) -> None:
registry = CuraContainerRegistry.getInstance()
with open(file_path.toLocalFile(), "w") as stream:
archive = zipfile.ZipFile(stream, "w", compression = zipfile.ZIP_DEFLATED)
for metadata in registry.findInstanceContainersMetadata(type = "material"):
if metadata["base_file"] != metadata["id"]: # Only process base files.
continue
if metadata["id"] == "empty_material": # Don't export the empty material.
continue
material = registry.findContainers(id = metadata["id"])[0]
suffix = registry.getMimeTypeForContainer(type(material)).preferredSuffix
filename = metadata["id"] + "." + suffix
archive.writestr(filename, material.serialize())
archive = zipfile.ZipFile(file_path.toLocalFile(), "w")
for metadata in registry.findInstanceContainersMetadata(type = "material"):
if metadata["base_file"] != metadata["id"]: # Only process base files.
continue
if metadata["id"] == "empty_material": # Don't export the empty material.
continue
material = registry.findContainers(id = metadata["id"])[0]
suffix = registry.getMimeTypeForContainer(type(material)).preferredSuffix
filename = metadata["id"] + "." + suffix
archive.writestr(filename, material.serialize())