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static char *virt_handler =
"#\n"
"# virt_handler.py\n"
"#\n"
"# $Id: virt_handler.py,v 1.1.1.1.2.1 2010/04/14 13:55:08 source Exp $\n"
"#\n"
"# python proxy for OpenLink python plugin\n"
"# \n"
"# This file is part of the OpenLink Software Virtuoso Open-Source (VOS)\n"
"# project.\n"
"# \n"
"# Copyright (C) 1998-2006 OpenLink Software\n"
"# \n"
"# This project is free software; you can redistribute it and/or modify it\n"
"# under the terms of the GNU General Public License as published by the\n"
"# Free Software Foundation; only version 2 of the License, dated June 1991.\n"
"# \n"
"# This program is distributed in the hope that it will be useful, but\n"
"# WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
"# General Public License for more details.\n"
"# \n"
"# You should have received a copy of the GNU General Public License along\n"
"# with this program; if not, write to the Free Software Foundation, Inc.,\n"
"# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n"
"# \n"
"# \n"
"\n"
"import os;\n"
"import sys;\n"
"import traceback;\n"
"\n"
"class VirtNullIO:\n"
" def tell(self): return 0\n"
" def read(self, n = -1): return \"\"\n"
" def readline(self, length = None): return \"\"\n"
" def readlines(self): return []\n"
" def write(self, s): pass\n"
" def writelines(self, list):\n"
" self.write(\"\".join(list))\n"
" def isatty(self): return 0\n"
" def flush(self): pass\n"
" def close(self): pass\n"
" def seek(self, pos, mode = 0): pass\n"
"\n"
"\n"
"class VirtCGIStdin(VirtNullIO):\n"
" def __init__(self, init_val):\n"
" self.pos = 0\n"
" # note that self.buf sometimes contains leftovers\n"
" # that were read, but not used when readline was used\n"
" self.buf = init_val\n"
"\n"
" def read(self, n = -1):\n"
" if n <= 0:\n"
" return \"\"\n"
"\n"
" n2 = n + self.pos;\n"
" if self.buf:\n"
" s = self.buf[self.pos:n2]\n"
" n = n - len(s)\n"
" else:\n"
" s = \"\"\n"
" self.pos = self.pos + len(s)\n"
" return s\n"
"\n"
" def readlines(self):\n"
" s = (self.buf).split('\\n')\n"
" return map(lambda s: s + '\\n', s)\n"
"\n"
" def readline(self, n = -1):\n"
"\n"
" if n == 0:\n"
" return \"\"\n"
"\n"
" # look for \\n in the buffer\n"
" i = self.buf.find('\\n')\n"
" if i == -1:\n"
" i = len (self.buf) - 1\n"
" # carve out the piece, then shorten the buffer\n"
" result = self.buf[:i+1]\n"
" self.buf = self.buf[i+1:]\n"
" self.pos = self.pos + len(result)\n"
" return result\n"
" \n"
"\n"
"class VirtCGIStdout(VirtNullIO):\n"
"\n"
" def __init__(self):\n"
" self.pos = 0\n"
" self.headers_sent = 0\n"
" self.headers = \"\"\n"
" self.req_text = \"\"\n"
" self.html_mode=0\n"
" \n"
" def write(self, s):\n"
"\n"
" if not s: return\n"
"\n"
" if self.html_mode and not self.headers_sent:\n"
" self.headers = self.headers + s\n"
"\n"
" headers_over = 0\n"
"\n"
" ss = self.headers.split('\\r\\n\\r\\n', 1)\n"
" if len(ss) < 2:\n"
" ss = self.headers.split('\\n\\n', 1)\n"
" if len(ss) >= 2:\n"
" headers_over = 1\n"
" else:\n"
" headers_over = 1\n"
" \n"
" if headers_over:\n"
" self.headers_sent = 1\n"
"\n"
" else:\n"
" self.req_text = self.req_text + s\n"
" \n"
" self.pos = self.pos + len(s)\n"
"\n"
" def tell(self): return self.pos\n"
"\n"
" def get_headers(self) : return self.headers;\n"
" def get_body(self) : return self.req_text;\n"
" def set_html_mode(self) : self.html_mode=1;\n"
"\n"
"\n"
"def setup_cgi(env, stdin_txt, new_stdout, new_stderr):\n"
"\n"
" save_env = os.environ.copy()\n"
" if env.has_key (\"__VIRT_CGI\") and env[\"__VIRT_CGI\"] == '1':\n"
" new_stdout.set_html_mode ();\n"
" \n"
" si = sys.stdin\n"
" so = sys.stdout\n"
" sr = sys.stderr\n"
"\n"
" os.environ.update(env)\n"
" \n"
" sys.stdout = new_stdout\n"
" sys.stdin = VirtCGIStdin(stdin_txt)\n"
" sys.stderr = new_stderr\n"
"\n"
" return save_env, si, so, sr\n"
" \n"
"\n"
"def restore_nocgi(sav_env, si, so, sr):\n"
"\n"
" osenv = os.environ\n"
"\n"
" for k in osenv.keys():\n"
" del osenv[k]\n"
" for k in sav_env:\n"
" osenv[k] = sav_env[k]\n"
"\n"
" sys.stdout = si\n"
" sys.stdin = so\n"
" sys.stderr = sr\n"
"\n"
"\n"
"def call_string(base_uri,content,opts,params,lines):\n"
" new_stdout = VirtCGIStdout();\n"
" new_stderr = VirtCGIStdout();\n"
"\n"
" sys.argv = [ base_uri ];\n"
"\n"
" sav_env, si, so, sr = setup_cgi (opts, params, new_stdout, '')\n"
" try:\n"
" eval (compile (content, base_uri, 'exec'), {})\n"
" restore_nocgi (sav_env, si, so, sr)\n"
"\n"
" body=new_stdout.get_body ();\n"
" hdr=new_stdout.get_headers ();\n"
" err=new_stderr.get_headers () + new_stderr.get_body ();\n"
" return body, hdr, err\n"
" except:\n"
" restore_nocgi (sav_env, si, so, sr)\n"
" a,b,c = sys.exc_info ();\n"
" ex_text = \"\".join (traceback.format_exception (a,b,c));\n"
" body=new_stdout.get_body ();\n"
" hdr=new_stdout.get_headers ();\n"
" err=new_stderr.get_headers () + new_stderr.get_body ();\n"
" return body, hdr, err, ex_text\n"
"\n"
"\n"
"def call_file(base_uri,opts,params,lines):\n"
" new_stdout = VirtCGIStdout();\n"
" new_stderr = VirtCGIStdout();\n"
"\n"
" sys.argv = [ base_uri ];\n"
"\n"
" sav_env, si, so, sr = setup_cgi (opts, params, new_stdout, '')\n"
" try:\n"
" execfile (base_uri, {});\n"
" restore_nocgi (sav_env, si, so, sr)\n"
"\n"
" body=new_stdout.get_body ();\n"
" hdr=new_stdout.get_headers ();\n"
" err=new_stderr.get_headers () + new_stderr.get_body ();\n"
" return body, hdr, err\n"
" except:\n"
" restore_nocgi (sav_env, si, so, sr)\n"
" a,b,c = sys.exc_info ();\n"
" ex_text = \"\".join (traceback.format_exception (a,b,c));\n"
" body=new_stdout.get_body ();\n"
" hdr=new_stdout.get_headers ();\n"
" err=new_stderr.get_headers () + new_stderr.get_body ();\n"
" return body, hdr, err, ex_text\n"
"\n"
"# testting code\n"
"if __name__ == '__main__':\n"
" if os.environ.has_key (\"__VIRT_CGI\") and os.environ[\"__VIRT_CGI\"] != '1' and not 12 == 11:\n"
" print (\"xx\");\n"
" \n"
" a,b,c = call_file ('../lib/suite/admin/cgitest.py', { '__VIRT_CGI': '1' }, '', '');\n"
" d = ''\n"
" sys.stderr.write ('\\n['+a+']['+b+']['+c+']['+d+']\\n');\n"
;
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