📄 standalone.py
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#!/usr/bin/env python# $Id: standalone.py,v 1.13 2001/12/21 11:11:51 gstein Exp $# vim:sw=4:ts=4:et:nowrap# [Emacs: -*- python -*-]## Copyright (C) 1999-2001 The ViewCVS Group. All Rights Reserved.## By using this file, you agree to the terms and conditions set forth in# the LICENSE.html file which can be found at the top level of the ViewCVS# distribution or at http://viewcvs.sourceforge.net/license-1.html.## Contact information:# This file: Peter Funk, Oldenburger Str.86, 27777 Ganderkesee, Germany# ViewCVS project: Greg Stein, PO Box 760, Palo Alto, CA, 94302# gstein@lyra.org, http://viewcvs.sourceforge.net/## Note: this module is designed to deploy instantly and run under any# version of Python from 1.5 and up. That's why some 2.0 features # (like string methods) are conspicuously avoided.# XXX Security issues?"""Run "standalone.py -p <port>" to start an HTTP server on a given port on the local machine to generate ViewCVS web pages."""__author__ = "Peter Funk <pf@artcom-gmbh.de>"__date__ = "11 November 2001"__version__ = "$Revision: 1.13 $"__credits__ = """Guido van Rossum, for an excellent programming language.Greg Stein, for writing ViewCVS in the first place.Ka-Ping Yee, for the GUI code and the framework stolen from pydoc.py."""# INSTALL-TIME CONFIGURATION## This value will be set during the installation process. During# development, it will remain None.#LIBRARY_DIR = Noneimport sysimport osimport stringimport urllibimport socketimport selectimport BaseHTTPServerclass Options: port = 7467 # default TCP/IP port used for the server start_gui = 0 # No GUI unless requested. repository = None # use default repository specified in config# --- web browser interface: ----------------------------------------------def serve(port, callback=None): """start a HTTP server on the given port. call 'callback' when the server is ready to serve""" class ViewCVS_Handler(BaseHTTPServer.BaseHTTPRequestHandler): def do_GET(self): """Serve a GET request.""" if not self.path or self.path == "/": self.redirect() elif self.is_viewcvs(): self.run_viewcvs() elif self.path[:7] == "/icons/": # XXX icon type should not be hardcoded to GIF: self.send_response(200) self.send_header("Content-type", "image/gif") self.end_headers() apache_icons.serve_icon(self.path, self.wfile) else: self.send_error(404) def do_POST(self): """Serve a POST request.""" if self.is_viewcvs(): self.run_viewcvs() else: self.send_error(501, "Can only POST to viewcvs") def is_viewcvs(self): """Check whether self.path matches the hardcoded ScriptAlias /viewcvs""" if self.path[:8] == "/viewcvs": return 1 return 0 def redirect(self): """redirect the browser to the viewcvs URL""" self.send_response(301, "moved (redirection follows)") self.send_header("Content-type", "text/html") self.send_header("Location", self.server.url + 'viewcvs/') self.end_headers() self.wfile.write("""<html><head><meta http-equiv="refresh" content="1; URL=%s"></head><body><h1>Redirection to <a href="%s">ViewCVS</a></h1>Wait a second. You will be automatically redirected to <b>ViewCVS</b>.If this doesn't work, please click on the link above.</body></html>""" % tuple([self.server.url + "viewcvs/"]*2)) def run_viewcvs(self): """This is a quick and dirty cut'n'rape from Pythons standard library module CGIHTTPServer.""" assert self.path[:8] == "/viewcvs" viewcvs_url, rest = self.server.url[:-1]+"/viewcvs", self.path[8:] i = string.rfind(rest, '?') if i >= 0: rest, query = rest[:i], rest[i+1:] else: query = '' i = string.find(rest, '/') if i >= 0: script, rest = rest[:i], rest[i:] else: script, rest = rest, '' scriptname = viewcvs_url + script # sys.stderr.write("Debug: '"+scriptname+"' '"+rest+"' '"+query+"'\n") env = os.environ # Since we're going to modify the env in the parent, provide empty # values to override previously set values for k in ('QUERY_STRING', 'REMOTE_HOST', 'CONTENT_LENGTH', 'HTTP_USER_AGENT', 'HTTP_COOKIE'): if env.has_key(k): env[k] = "" # XXX Much of the following could be prepared ahead of time! env['SERVER_SOFTWARE'] = self.version_string() env['SERVER_NAME'] = self.server.server_name env['GATEWAY_INTERFACE'] = 'CGI/1.1' env['SERVER_PROTOCOL'] = self.protocol_version env['SERVER_PORT'] = str(self.server.server_port) env['REQUEST_METHOD'] = self.command uqrest = urllib.unquote(rest) env['PATH_INFO'] = uqrest env['SCRIPT_NAME'] = scriptname if query: env['QUERY_STRING'] = query host = self.address_string() if host != self.client_address[0]: env['REMOTE_HOST'] = host env['REMOTE_ADDR'] = self.client_address[0] # AUTH_TYPE # REMOTE_USER # REMOTE_IDENT if self.headers.typeheader is None: env['CONTENT_TYPE'] = self.headers.type else: env['CONTENT_TYPE'] = self.headers.typeheader length = self.headers.getheader('content-length') if length: env['CONTENT_LENGTH'] = length accept = [] for line in self.headers.getallmatchingheaders('accept'): if line[:1] in string.whitespace: accept.append(string.strip(line)) else: accept = accept + string.split(line[7:], ',') env['HTTP_ACCEPT'] = string.joinfields(accept, ',') ua = self.headers.getheader('user-agent') if ua: env['HTTP_USER_AGENT'] = ua # XXX Other HTTP_* headers decoded_query = string.replace(query, '+', ' ') self.send_response(200) # FIXME: I'm not sure about this: Sometimes it hurts, sometimes # it is required. Please enlight me if 1: self.send_header("Content-type", "text/html") self.end_headers() # Preserve state, because we execute script in current process: save_argv = sys.argv save_stdin = sys.stdin save_stdout = sys.stdout save_stderr = sys.stderr # For external tools like enscript we also need to redirect # the real stdout file descriptor: save_realstdout = os.dup(1) try: try: sys.stdout = self.wfile os.close(1) assert os.dup(self.wfile.fileno()) == 1 sys.stdin = self.rfile viewcvs.run_cgi() finally: sys.argv = save_argv sys.stdin = save_stdin sys.stdout.flush() os.close(1) assert os.dup(save_realstdout) == 1 sys.stdout = save_stdout sys.stderr = save_stderr except SystemExit, status: self.log_error("ViewCVS exit status %s", str(status)) else: self.log_error("ViewCVS exited ok") class ViewCVS_Server(BaseHTTPServer.HTTPServer): def __init__(self, port, callback): host = (sys.platform == 'mac') and '127.0.0.1' or 'localhost' self.address = ('', port) self.url = 'http://%s:%d/' % (host, port) self.callback = callback BaseHTTPServer.HTTPServer.__init__(self, self.address, self.handler) def serve_until_quit(self): self.quit = 0 while not self.quit: rd, wr, ex = select.select([self.socket.fileno()], [], [], 1) if rd: self.handle_request() def server_activate(self): BaseHTTPServer.HTTPServer.server_activate(self) if self.callback: self.callback(self) def server_bind(self): # set SO_REUSEADDR (if available on this platform) if hasattr(socket, 'SOL_SOCKET') \ and hasattr(socket, 'SO_REUSEADDR'): self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) BaseHTTPServer.HTTPServer.server_bind(self) ViewCVS_Server.handler = ViewCVS_Handler try: # XXX Move this code out of this function. # Early loading of configuration here. Used to # allow tinkering with some configuration settings: viewcvs.handle_config() if options.repository: if viewcvs.cfg.general.cvs_roots.has_key("Development"): viewcvs.cfg.general.cvs_roots["Development"] = options.repository else: sys.stderr.write("*** No default ViewCVS configuration. Edit viewcvs.conf\n") raise KeyboardInterrupt # Hack! elif viewcvs.cfg.general.cvs_roots.has_key("Development") and \ not os.path.isdir(viewcvs.cfg.general.cvs_roots["Development"]): sys.stderr.write("*** No repository found. Please use the -r option.\n") sys.stderr.write(" Use --help for more info.\n") raise KeyboardInterrupt # Hack! os.close(0) # To avoid problems with shell job control ViewCVS_Server(port, callback).serve_until_quit() except (KeyboardInterrupt, select.error):⌨️ 快捷键说明
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