Author: barry.warsaw Date: Wed Mar 31 23:36:22 2010 New Revision: 79536 Log: - Issue #8233: When run as a script, py_compile.py optionally takes a single argument `-` which tells it to read files to compile from stdin. Each line is read on demand and the named file is compiled immediately. (Original patch by Piotr Ożarowski). Modified: python/branches/py3k/Lib/py_compile.py python/branches/py3k/Misc/NEWS Modified: python/branches/py3k/Lib/py_compile.py ============================================================================== --- python/branches/py3k/Lib/py_compile.py (original) +++ python/branches/py3k/Lib/py_compile.py Wed Mar 31 23:36:22 2010 @@ -138,19 +138,35 @@ 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. + explicitly. If '-' is the only parameter in args, the list of + files is taken from standard input. """ if args is None: args = sys.argv[1:] rv = 0 - for filename in args: - try: - compile(filename, doraise=True) - except PyCompileError as err: - # return value to indicate at least one failure - rv = 1 - sys.stderr.write(err.msg) + if args == ['-']: + while True: + filename = sys.stdin.readline() + if not filename: + break + filename = filename.rstrip('\n') + try: + compile(filename, doraise=True) + except PyCompileError as error: + rv = 1 + sys.stderr.write("%s\n" % error.msg) + except IOError as error: + rv = 1 + sys.stderr.write("%s\n" % error) + else: + for filename in args: + try: + compile(filename, doraise=True) + except PyCompileError as err: + # return value to indicate at least one failure + rv = 1 + sys.stderr.write(error.msg) return rv if __name__ == "__main__": Modified: python/branches/py3k/Misc/NEWS ============================================================================== --- python/branches/py3k/Misc/NEWS (original) +++ python/branches/py3k/Misc/NEWS Wed Mar 31 23:36:22 2010 @@ -293,6 +293,11 @@ Library ------- +- Issue #8233: When run as a script, py_compile.py optionally takes a single + argument `-` which tells it to read files to compile from stdin. Each line + is read on demand and the named file is compiled immediately. (Original + patch by Piotr Ożarowski). + - Backwards incompatible change: Unicode codepoints line tabulation (0x0B) and form feed (0x0C) are now considered linebreaks, as specified in Unicode Standard Annex #14. See issue #7643.