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Diffstat (limited to 'env/lib/python3.10/site-packages/setuptools/_distutils/command/build_scripts.py')
-rw-r--r-- | env/lib/python3.10/site-packages/setuptools/_distutils/command/build_scripts.py | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/env/lib/python3.10/site-packages/setuptools/_distutils/command/build_scripts.py b/env/lib/python3.10/site-packages/setuptools/_distutils/command/build_scripts.py deleted file mode 100644 index 17058db..0000000 --- a/env/lib/python3.10/site-packages/setuptools/_distutils/command/build_scripts.py +++ /dev/null @@ -1,173 +0,0 @@ -"""distutils.command.build_scripts - -Implements the Distutils 'build_scripts' command.""" - -import os -import re -from stat import ST_MODE -from distutils import sysconfig -from distutils.core import Command -from distutils.dep_util import newer -from distutils.util import convert_path -from distutils import log -import tokenize - -shebang_pattern = re.compile('^#!.*python[0-9.]*([ \t].*)?$') -""" -Pattern matching a Python interpreter indicated in first line of a script. -""" - -# for Setuptools compatibility -first_line_re = shebang_pattern - - -class build_scripts(Command): - - description = "\"build\" scripts (copy and fixup #! line)" - - user_options = [ - ('build-dir=', 'd', "directory to \"build\" (copy) to"), - ('force', 'f', "forcibly build everything (ignore file timestamps"), - ('executable=', 'e', "specify final destination interpreter path"), - ] - - boolean_options = ['force'] - - def initialize_options(self): - self.build_dir = None - self.scripts = None - self.force = None - self.executable = None - - def finalize_options(self): - self.set_undefined_options( - 'build', - ('build_scripts', 'build_dir'), - ('force', 'force'), - ('executable', 'executable'), - ) - self.scripts = self.distribution.scripts - - def get_source_files(self): - return self.scripts - - def run(self): - if not self.scripts: - return - self.copy_scripts() - - def copy_scripts(self): - """ - Copy each script listed in ``self.scripts``. - - If a script is marked as a Python script (first line matches - 'shebang_pattern', i.e. starts with ``#!`` and contains - "python"), then adjust in the copy the first line to refer to - the current Python interpreter. - """ - self.mkpath(self.build_dir) - outfiles = [] - updated_files = [] - for script in self.scripts: - self._copy_script(script, outfiles, updated_files) - - self._change_modes(outfiles) - - return outfiles, updated_files - - def _copy_script(self, script, outfiles, updated_files): - shebang_match = None - script = convert_path(script) - outfile = os.path.join(self.build_dir, os.path.basename(script)) - outfiles.append(outfile) - - if not self.force and not newer(script, outfile): - log.debug("not copying %s (up-to-date)", script) - return - - # Always open the file, but ignore failures in dry-run mode - # in order to attempt to copy directly. - try: - f = tokenize.open(script) - except OSError: - if not self.dry_run: - raise - f = None - else: - first_line = f.readline() - if not first_line: - self.warn("%s is an empty file (skipping)" % script) - return - - shebang_match = shebang_pattern.match(first_line) - - updated_files.append(outfile) - if shebang_match: - log.info("copying and adjusting %s -> %s", script, self.build_dir) - if not self.dry_run: - if not sysconfig.python_build: - executable = self.executable - else: - executable = os.path.join( - sysconfig.get_config_var("BINDIR"), - "python%s%s" - % ( - sysconfig.get_config_var("VERSION"), - sysconfig.get_config_var("EXE"), - ), - ) - post_interp = shebang_match.group(1) or '' - shebang = "#!" + executable + post_interp + "\n" - self._validate_shebang(shebang, f.encoding) - with open(outfile, "w", encoding=f.encoding) as outf: - outf.write(shebang) - outf.writelines(f.readlines()) - if f: - f.close() - else: - if f: - f.close() - self.copy_file(script, outfile) - - def _change_modes(self, outfiles): - if os.name != 'posix': - return - - for file in outfiles: - self._change_mode(file) - - def _change_mode(self, file): - if self.dry_run: - log.info("changing mode of %s", file) - return - - oldmode = os.stat(file)[ST_MODE] & 0o7777 - newmode = (oldmode | 0o555) & 0o7777 - if newmode != oldmode: - log.info("changing mode of %s from %o to %o", file, oldmode, newmode) - os.chmod(file, newmode) - - @staticmethod - def _validate_shebang(shebang, encoding): - # Python parser starts to read a script using UTF-8 until - # it gets a #coding:xxx cookie. The shebang has to be the - # first line of a file, the #coding:xxx cookie cannot be - # written before. So the shebang has to be encodable to - # UTF-8. - try: - shebang.encode('utf-8') - except UnicodeEncodeError: - raise ValueError( - "The shebang ({!r}) is not encodable " "to utf-8".format(shebang) - ) - - # If the script is encoded to a custom encoding (use a - # #coding:xxx cookie), the shebang has to be encodable to - # the script encoding too. - try: - shebang.encode(encoding) - except UnicodeEncodeError: - raise ValueError( - "The shebang ({!r}) is not encodable " - "to the script encoding ({})".format(shebang, encoding) - ) |