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dz.ConvertDev: do not teleport .pyc files

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On Qubes the conversion in dev mode would fail when converting from a
Fedora 38 development qube via a Fedora 39 disposable qube. The reason
was that dz.ConvertDev was receiving `.pyc` files, which were compiled
for python 3.11 but running on python 3.12.

Unfortunately PyZipFile objects cannot send source python files, even
though the documentation is a little bit unclear on this [1].

Fixes #723

[1]: https://docs.python.org/3/library/zipfile.html#pyzipfile-objects
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deeplow 2024-03-05 17:29:15 +00:00
parent 297feab63d
commit 0449840ec3
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1 changed files with 13 additions and 5 deletions
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18
dangerzone/isolation_provider/qubes.py
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@ -80,16 +80,24 @@ class Qubes(IsolationProvider):
def teleport_dz_module(self, wpipe: IO[bytes]) -> None:
"""Send the dangerzone module to another qube, as a zipfile."""
# Grab the absolute file path of the dangerzone module.
import dangerzone.conversion as _conv
import dangerzone as _dz
_conv_path = Path(inspect.getfile(_conv)).parent
_conv_path = Path(_dz.conversion.__file__).parent
_src_root = Path(_dz.__file__).parent.parent
temp_file = io.BytesIO()
# Create a Python zipfile that contains all the files of the dangerzone module.
with zipfile.PyZipFile(temp_file, "w") as z:
with zipfile.ZipFile(temp_file, "w") as z:
z.mkdir("dangerzone/")
z.writestr("dangerzone/__init__.py", "")
z.writepy(str(_conv_path), basename="dangerzone/")
import dangerzone.conversion
conv_path = Path(dangerzone.conversion.__file__).parent
for root, _, files in os.walk(_conv_path):
for file in files:
if file.endswith(".py"):
file_path = os.path.join(root, file)
relative_path = os.path.relpath(file_path, _src_root)
z.write(file_path, relative_path)
# Send the following data:
# 1. The size of the Python zipfile, so that the server can know when to