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Diffstat (limited to 'Lib/dos-8x3/py_compi.py')
-rwxr-xr-x | Lib/dos-8x3/py_compi.py | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/Lib/dos-8x3/py_compi.py b/Lib/dos-8x3/py_compi.py deleted file mode 100755 index b453109..0000000 --- a/Lib/dos-8x3/py_compi.py +++ /dev/null @@ -1,80 +0,0 @@ -"""Routine to "compile" a .py file to a .pyc (or .pyo) file. - -This module has intimate knowledge of the format of .pyc files. -""" - -import imp -MAGIC = imp.get_magic() - -def wr_long(f, x): - """Internal; write a 32-bit int to a file in little-endian order.""" - f.write(chr( x & 0xff)) - f.write(chr((x >> 8) & 0xff)) - f.write(chr((x >> 16) & 0xff)) - f.write(chr((x >> 24) & 0xff)) - -def compile(file, cfile=None, dfile=None): - """Byte-compile one Python source file to Python bytecode. - - Arguments: - - file: source filename - cfile: target filename; defaults to source with 'c' or 'o' appended - ('c' normally, 'o' in optimizing mode, giving .pyc or .pyo) - dfile: purported filename; defaults to source (this is the filename - that will show up in error messages) - - Note that it isn't necessary to byte-compile Python modules for - execution efficiency -- Python itself byte-compiles a module when - it is loaded, and if it can, writes out the bytecode to the - corresponding .pyc (or .pyo) file. - - However, if a Python installation is shared between users, it is a - good idea to byte-compile all modules upon installation, since - other users may not be able to write in the source directories, - and thus they won't be able to write the .pyc/.pyo file, and then - they would be byte-compiling every module each time it is loaded. - This can slow down program start-up considerably. - - See compileall.py for a script/module that uses this module to - byte-compile all installed files (or all files in selected - directories). - - """ - import os, marshal, __builtin__ - f = open(file) - try: - timestamp = long(os.fstat(f.fileno())[8]) - except AttributeError: - timestamp = long(os.stat(file)[8]) - codestring = f.read() - # If parsing from a string, line breaks are \n (see parsetok.c:tok_nextc) - # Replace will return original string if pattern is not found, so - # we don't need to check whether it is found first. - codestring = codestring.replace("\r\n","\n") - codestring = codestring.replace("\r","\n") - f.close() - if codestring and codestring[-1] != '\n': - codestring = codestring + '\n' - try: - codeobject = __builtin__.compile(codestring, dfile or file, 'exec') - except SyntaxError, detail: - import traceback, sys, string - lines = traceback.format_exception_only(SyntaxError, detail) - for line in lines: - sys.stderr.write(string.replace(line, 'File "<string>"', - 'File "%s"' % (dfile or file))) - return - if not cfile: - cfile = file + (__debug__ and 'c' or 'o') - fc = open(cfile, 'wb') - fc.write('\0\0\0\0') - wr_long(fc, timestamp) - marshal.dump(codeobject, fc) - fc.flush() - fc.seek(0, 0) - fc.write(MAGIC) - fc.close() - if os.name == 'mac': - import macfs - macfs.FSSpec(cfile).SetCreatorType('Pyth', 'PYC ') |