diff options
author | monster <[email protected]> | 2022-07-07 14:41:37 +0300 |
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committer | monster <[email protected]> | 2022-07-07 14:41:37 +0300 |
commit | 06e5c21a835c0e923506c4ff27929f34e00761c2 (patch) | |
tree | 75efcbc6854ef9bd476eb8bf00cc5c900da436a2 /contrib/tools/python3/src/Lib/py_compile.py | |
parent | 03f024c4412e3aa613bb543cf1660176320ba8f4 (diff) |
fix ya.make
Diffstat (limited to 'contrib/tools/python3/src/Lib/py_compile.py')
-rw-r--r-- | contrib/tools/python3/src/Lib/py_compile.py | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/contrib/tools/python3/src/Lib/py_compile.py b/contrib/tools/python3/src/Lib/py_compile.py deleted file mode 100644 index 388614e51b1..00000000000 --- a/contrib/tools/python3/src/Lib/py_compile.py +++ /dev/null @@ -1,212 +0,0 @@ -"""Routine to "compile" a .py file to a .pyc file. - -This module has intimate knowledge of the format of .pyc files. -""" - -import enum -import importlib._bootstrap_external -import importlib.machinery -import importlib.util -import os -import os.path -import sys -import traceback - -__all__ = ["compile", "main", "PyCompileError", "PycInvalidationMode"] - - -class PyCompileError(Exception): - """Exception raised when an error occurs while attempting to - compile the file. - - To raise this exception, use - - raise PyCompileError(exc_type,exc_value,file[,msg]) - - where - - exc_type: exception type to be used in error message - type name can be accesses as class variable - 'exc_type_name' - - exc_value: exception value to be used in error message - can be accesses as class variable 'exc_value' - - file: name of file being compiled to be used in error message - can be accesses as class variable 'file' - - msg: string message to be written as error message - If no value is given, a default exception message will be - given, consistent with 'standard' py_compile output. - message (or default) can be accesses as class variable - 'msg' - - """ - - def __init__(self, exc_type, exc_value, file, msg=''): - exc_type_name = exc_type.__name__ - if exc_type is SyntaxError: - tbtext = ''.join(traceback.format_exception_only( - exc_type, exc_value)) - errmsg = tbtext.replace('File "<string>"', 'File "%s"' % file) - else: - errmsg = "Sorry: %s: %s" % (exc_type_name,exc_value) - - Exception.__init__(self,msg or errmsg,exc_type_name,exc_value,file) - - self.exc_type_name = exc_type_name - self.exc_value = exc_value - self.file = file - self.msg = msg or errmsg - - def __str__(self): - return self.msg - - -class PycInvalidationMode(enum.Enum): - TIMESTAMP = 1 - CHECKED_HASH = 2 - UNCHECKED_HASH = 3 - - -def _get_default_invalidation_mode(): - if os.environ.get('SOURCE_DATE_EPOCH'): - return PycInvalidationMode.CHECKED_HASH - else: - return PycInvalidationMode.TIMESTAMP - - -def compile(file, cfile=None, dfile=None, doraise=False, optimize=-1, - invalidation_mode=None, quiet=0): - """Byte-compile one Python source file to Python bytecode. - - :param file: The source file name. - :param cfile: The target byte compiled file name. When not given, this - defaults to the PEP 3147/PEP 488 location. - :param dfile: Purported file name, i.e. the file name that shows up in - error messages. Defaults to the source file name. - :param doraise: Flag indicating whether or not an exception should be - raised when a compile error is found. If an exception occurs and this - flag is set to False, a string indicating the nature of the exception - will be printed, and the function will return to the caller. If an - exception occurs and this flag is set to True, a PyCompileError - exception will be raised. - :param optimize: The optimization level for the compiler. Valid values - are -1, 0, 1 and 2. A value of -1 means to use the optimization - level of the current interpreter, as given by -O command line options. - :param invalidation_mode: - :param quiet: Return full output with False or 0, errors only with 1, - and no output with 2. - - :return: Path to the resulting byte compiled file. - - 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 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 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). - - Do note that FileExistsError is raised if cfile ends up pointing at a - non-regular file or symlink. Because the compilation uses a file renaming, - the resulting file would be regular and thus not the same type of file as - it was previously. - """ - if invalidation_mode is None: - invalidation_mode = _get_default_invalidation_mode() - if cfile is None: - if optimize >= 0: - optimization = optimize if optimize >= 1 else '' - cfile = importlib.util.cache_from_source(file, - optimization=optimization) - else: - cfile = importlib.util.cache_from_source(file) - if os.path.islink(cfile): - msg = ('{} is a symlink and will be changed into a regular file if ' - 'import writes a byte-compiled file to it') - raise FileExistsError(msg.format(cfile)) - elif os.path.exists(cfile) and not os.path.isfile(cfile): - msg = ('{} is a non-regular file and will be changed into a regular ' - 'one if import writes a byte-compiled file to it') - raise FileExistsError(msg.format(cfile)) - loader = importlib.machinery.SourceFileLoader('<py_compile>', file) - source_bytes = loader.get_data(file) - try: - code = loader.source_to_code(source_bytes, dfile or file, - _optimize=optimize) - except Exception as err: - py_exc = PyCompileError(err.__class__, err, dfile or file) - if quiet < 2: - if doraise: - raise py_exc - else: - sys.stderr.write(py_exc.msg + '\n') - return - try: - dirname = os.path.dirname(cfile) - if dirname: - os.makedirs(dirname) - except FileExistsError: - pass - if invalidation_mode == PycInvalidationMode.TIMESTAMP: - source_stats = loader.path_stats(file) - bytecode = importlib._bootstrap_external._code_to_timestamp_pyc( - code, source_stats['mtime'], source_stats['size']) - else: - source_hash = importlib.util.source_hash(source_bytes) - bytecode = importlib._bootstrap_external._code_to_hash_pyc( - code, - source_hash, - (invalidation_mode == PycInvalidationMode.CHECKED_HASH), - ) - mode = importlib._bootstrap_external._calc_mode(file) - importlib._bootstrap_external._write_atomic(cfile, bytecode, mode) - return cfile - - -def main(): - import argparse - - description = 'A simple command-line interface for py_compile module.' - parser = argparse.ArgumentParser(description=description) - parser.add_argument( - '-q', '--quiet', - action='store_true', - help='Suppress error output', - ) - parser.add_argument( - 'filenames', - nargs='+', - help='Files to compile', - ) - args = parser.parse_args() - if args.filenames == ['-']: - filenames = [filename.rstrip('\n') for filename in sys.stdin.readlines()] - else: - filenames = args.filenames - for filename in filenames: - try: - compile(filename, doraise=True) - except PyCompileError as error: - if args.quiet: - parser.exit(1) - else: - parser.exit(1, error.msg) - except OSError as error: - if args.quiet: - parser.exit(1) - else: - parser.exit(1, str(error)) - - -if __name__ == "__main__": - main() |