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Added a main() function and support to run this module as a script.

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Closes SF feature request #588768.
This commit is contained in:
Fred Drake 2002-08-21 20:56:21 +00:00
parent a96f1a3c08
commit 61cf4407be
2 changed files with 33 additions and 3 deletions
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16
Doc/lib/libpycompile.tex
View file

@ -10,8 +10,9 @@
\indexii{file}{byte-code} \indexii{file}{byte-code}
The \module{py_compile} module provides a single function to generate The \module{py_compile} module provides a function to generate a
a byte-code file from a source file. byte-code file from a source file, and another function used when the
module source file is invoked as a script.
Though not often needed, this function can be useful when installing Though not often needed, this function can be useful when installing
modules for shared use, especially if some of the users may not have modules for shared use, especially if some of the users may not have
@ -29,6 +30,17 @@ containing the source code.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{main}{\optional{args}}
Compile several source files. The files named in \var{args} (or on
the command line, if \var{args} is not specified) are compiled and
the resulting bytecode is cached in the normal manner. This
function does not search a directory structure to locate source
files; it only compiles files named explicitly.
\end{funcdesc}
When this module is run as a script, the \function{main()} is used to
compile all the files named on the command line.
\begin{seealso} \begin{seealso}
\seemodule{compileall}{Utilities to compile all Python source files \seemodule{compileall}{Utilities to compile all Python source files
in a directory tree.} in a directory tree.}

20
Lib/py_compile.py
View file

@ -12,7 +12,7 @@ import traceback
MAGIC = imp.get_magic() MAGIC = imp.get_magic()
__all__ = ["compile"] __all__ = ["compile", "main"]
# Define an internal helper according to the platform # Define an internal helper according to the platform
if os.name == "mac": if os.name == "mac":
@ -86,3 +86,21 @@ def compile(file, cfile=None, dfile=None):
fc.write(MAGIC) fc.write(MAGIC)
fc.close() fc.close()
set_creator_type(cfile) set_creator_type(cfile)
def main(args=None):
"""Compile several source files.
The files named in 'args' (or on the command line, if 'args' is
not specified) are compiled and the resulting bytecode is cached
in the normal manner. This function does not search a directory
structure to locate source files; it only compiles files named
explicitly.
"""
if args is None:
args = sys.argv[1:]
for filename in args:
compile(filename)
if __name__ == "__main__":
main()