Source code for Exscript.stdlib.file

#
# Copyright (C) 2010-2017 Samuel Abels
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import os
from Exscript.stdlib.util import secure_function


[docs]def chmod(scope, filename, mode): """ Changes the permissions of the given file (or list of files) to the given mode. You probably want to use an octal representation for the integer, e.g. "chmod(myfile, 0644)". :type filename: string :param filename: A filename. :type mode: int :param mode: The access permissions. """ for file in filename: os.chmod(file, mode[0]) return True
[docs]def clear(scope, filename): """ Clear the contents of the given file. The file is created if it does not exist. :type filename: string :param filename: A filename. """ with open(filename[0], 'w'): pass return True
[docs]@secure_function def exists(scope, filename): """ Returns True if the file with the given name exists, False otherwise. If a list of files is given, the function returns True only if ALL of the files exist. :type filename: string :param filename: A filename. :rtype: bool :return: The operating system of the remote device. """ return [os.path.exists(f) for f in filename]
[docs]def mkdir(scope, dirname, mode=None): """ Creates the given directory (or directories). The optional access permissions are set to the given mode, and default to whatever is the umask on your system defined. :type dirname: string :param dirname: A filename, or a list of dirnames. :type mode: int :param mode: The access permissions. """ for dir in dirname: if mode is None: os.makedirs(dir) else: os.makedirs(dir, mode[0]) return True
[docs]def read(scope, filename): """ Reads the given file and returns the result. The result is also stored in the built-in __response__ variable. :type filename: string :param filename: A filename. :rtype: string :return: The content of the file. """ with open(filename[0], 'r') as fp: lines = fp.readlines() scope.define(__response__=lines) return lines
[docs]def rm(scope, filename): """ Deletes the given file (or files) from the file system. :type filename: string :param filename: A filename, or a list of filenames. """ for file in filename: os.remove(file) return True
[docs]def write(scope, filename, lines, mode=['a']): """ Writes the given string into the given file. The following modes are supported: - 'a': Append to the file if it already exists. - 'w': Replace the file if it already exists. :type filename: string :param filename: A filename. :type lines: string :param lines: The data that is written into the file. :type mode: string :param mode: Any of the above listed modes. """ with open(filename[0], mode[0]) as fp: fp.writelines(['%s\n' % line.rstrip() for line in lines]) return True