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We switched to using tp_alloc() to create new objects. Some types
had no tp_flags set and were not initialized using PyType_Ready,
causing tp_alloc (PyType_GenericAlloc) to crash.
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when none is found.
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PyObject_NEW/DEL
This allows us to finally implement subclassing. Previously deletion of an
instance of a subclass caused segmentation faults, this is not the case
anymore.
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This changes the progress classes to use PEP 8 names. Due to the concept of the
deprecation system, this causes methods of subclasses not to be called at all.
If a class implements a command with underscores, it is called. If the class
also implements the version in mixedCase, this is ignored. This means that
all subclasses will not work correctly, because only the method from the
parent class is called.
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Unify all names to follow these rules:
1. Replace the first [A-Z] with the lowercase version [a-z]
2. Replace multiple [A-Z] with [A-Z][a-z] (one upper, remaining ones lowercase)
3. Replace all remaining [A-Z] with _[a-z]
This brings us from 'FileName' to 'file_name' and from 'DescURI' to 'desc_uri'. We
will at a later stage add some exceptions to this rule, like 'filename' instead of
'file_name', to improve readability.
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descriptors.
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Version,PackageFile,MetaIndex).
On our way to close Bug#481061, this converts almost all names to PEP 8 naming
conventions. Missing are now apt_pkg.Version, apt_pkg.PackageFile, apt_pkg.MetaIndex
and apt.progress.*.
In case of the missing apt_pkg classes, they are not converted yet because they
do not use getset descriptors yet.
apt.progress.* has not been converted yet because the extension interacts with it,
and we first need to modify the extension to recognize the new names, as well as
the old names (old applications shouldn't break).
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- add update_status_full() that takes file_size/partial_size as
additional callback arguments
- add pulse_items() that takes a addtional "items" tuple that
gives the user full access to the individual items that are
fetched
* python/progress.cc:
- low level code for update_status_full and pulse_items()
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Some names may be changed before the release, but this is a good draft.
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Instead of accessing the modules __dict__ directly, we should use the
functions provided by Python to add objects to the module.
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A new module, apt.deprecation, is introduced containing functions and
classes which assist in the deprecation.
The apt_pkg extension gets a new attribute, _COMPAT_0_7 which can be set
by defining COMPAT_0_7 at compile time (-DCOMPAT_0_7).
The names are changed, and compatibility functions are enabled if
bool(apt_pkg._COMPAT_0_7) == True, i.e. if the package has been built with
backward compatibility fixes.
This commit changes the apt and aptsources packages, the apt_pkg and
apt_inst extensions will be the next renames.
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This is the first initial port to Python 3. The API is almost completely
identical to the one found in Python 2, except that functions working with
binary data require bytes (md5sum,sha1sum,sha256sum,Base64Encode).
Using setup3.py to install the modules will not work, because the apt package
still has to be converted to Python 3. For the package, we call 2to3-3.1 in
debian/rules to do this automatically.
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This time, it is a bit more complicated because we have to raise an
AttributeError when no package has been looked up.
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Use GetSet for PkgSourceListType and remove tp_getattr from
PkgAcquireFileType.
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ProblemResolver, ActionGroup
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Support the replacement of mapping.has_key() for Configuration,ConfigurationPtr
and ConfigurationSub objects.
This is implemented by extending the various types with the tp_as_sequence
slot, which refers to a PySequenceMethods containing only this method.
The CnfGetAttr() function has been removed and replaced by the use of the
tp_method slot. This helps the py3k port because the previously used
Py_FindMethod() is not avilable anymore.
This completes the support of the 'in' operator in all python-apt objects,
which makes it even easier to convert python-apt-using applications to py3k
once python-apt supports it, as 2to3 converts 'm.has_key(k)' to 'k in m'.
Also finalize the types in apt_pkgmodule.cc and add the new 'key in conf'
description to the documentation.
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This also fixes problems on packages with Breaks field, where the lookup
of the field name leads to some unprintable characters (because the index
exceeds the number of items).
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Replace support for file objects with a more generic support for any object
providing a fileno() method and for file descriptors (integers).
This also helps us to port to Python 3, where the previously used PyFile_
functions are not available anymore.
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By using tp_methods and tp_getset instead of a function for tp_getattr,
the resulting object is easier to understand and access to attributes and
methods is faster.
It also helps the port to Python 3, where Py_FindMethod does not exist
anymore.
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Support the replacement of mapping.has_key() for sections, and
update the usage in apt/package.py and apt/debfile accordingly.
This is implemented by extending the TagSecType with sequence
methods, but only settings the contains method there.
The TagSecGetAttr() function has been removed and replaced by
the use of the tp_methods slot.
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- test if progress objects have the right methods
and raise error if not (thanks to Emanuele Rocca)
closes: #497049
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- when setting a alternative rootdir, read the
config from it as well
* python/configuration.cc, python/apt_pkgmodule.cc:
- add apt_pkg.ReadConfigDir()
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