Currently pyc files contain data that is useful mostly for developing
and is not needed in most normal cases in stable program. There is even
an option that allows to exclude a part of this information from pyc
files. It is expected that this saves memory, startup time, and disk
space (or the time of loading from network). I propose to move this data
from pyc files into separate file or files. pyc files should contain
only external references to external files. If the corresponding
external file is absent or specific option suppresses them, references
are replaced with None or NULL at import time, otherwise they are loaded
from external files.
1. Docstrings. They are needed mainly for developing.
2. Line numbers (lnotab). They are helpful for formatting tracebacks,
for tracing, and debugging with the debugger. Sources are helpful in
such cases too. If the program doesn't contain errors ;-) and is sipped
without sources, they could be removed.
3. Annotations. They are used mainly by third party tools that
statically analyze sources. They are rarely used at runtime.
Docstrings will be read from the corresponding docstring file unless -OO
is supplied. This will allow also to localize docstrings. Depending on
locale or other settings different docstring file can be used.
For suppressing line numbers and annotations new options can be added.
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