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\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// # -*- coding: utf-8 -*- """Interpret PEP 345 environment markers. EXPR [in|==|!=|not in] EXPR [or|and] ... where EXPR belongs to any of those: python_version = '%s.%s' % (sys.version_info[0], sys.version_info[1]) python_full_version = sys.version.split()[0] os.name = os.name sys.platform = sys.platform platform.version = platform.version() platform.machine = platform.machine() platform.python_implementation = platform.python_implementation() a free string, like '2.6', or 'win32' """ __all__ = ['default_environment', 'compile', 'interpret'] import ast import os import platform import sys import weakref _builtin_compile = compile try: from platform import python_implementation except ImportError: if os.name == "java": # Jython 2.5 has ast module, but not platform.python_implementation() function. def python_implementation(): return "Jython" else: raise # restricted set of variables _VARS = {'sys.platform': sys.platform, 'python_version': '%s.%s' % sys.version_info[:2], # FIXME parsing sys.platform is not reliable, but there is no other # way to get e.g. 2.7.2+, and the PEP is defined with sys.version 'python_full_version': sys.version.split(' ', 1)[0], 'os.name': os.name, 'platform.version': platform.version(), 'platform.machine': platform.machine(), 'platform.python_implementation': python_implementation(), 'extra': None # wheel extension } for var in list(_VARS.keys()): if '.' in var: _VARS[var.replace('.', '_')] = _VARS[var] def default_environment(): """Return copy of default PEP 385 globals dictionary.""" return dict(_VARS) class ASTWhitelist(ast.NodeTransformer): def __init__(self, statement): self.statement = statement # for error messages ALLOWED = (ast.Compare, ast.BoolOp, ast.Attribute, ast.Name, ast.Load, ast.Str) # Bool operations ALLOWED += (ast.And, ast.Or) # Comparison operations ALLOWED += (ast.Eq, ast.Gt, ast.GtE, ast.In, ast.Is, ast.IsNot, ast.Lt, ast.LtE, ast.NotEq, ast.NotIn) def visit(self, node): """Ensure statement onl