Back to home page

Project CMSSW displayed by LXR

 
 

    


File indexing completed on 2022-03-03 02:23:13

0001 #!/usr/bin/env python3
0002 #-*- coding: ISO-8859-1 -*-
0003 #
0004 # Copyright 2008 Cornell University, Ithaca, NY 14853. All rights reserved.
0005 #
0006 # Author:  Valentin Kuznetsov, 2008
0007 
0008 """
0009 DBS data discovery command line interface
0010 """
0011 from __future__ import print_function
0012 
0013 import httplib, urllib, types, string, os, sys
0014 from optparse import OptionParser
0015 
0016 class DDOptionParser: 
0017   """
0018      DDOptionParser is main class to parse options for L{DDHelper} and L{DDServer}.
0019   """
0020   def __init__(self):
0021     self.parser = OptionParser()
0022     self.parser.add_option("--dbsInst",action="store", type="string", dest="dbsInst",
0023          help="specify DBS instance to use, e.g. --dbsInst=cms_dbs_prod_global")
0024     self.parser.add_option("-v","--verbose",action="store", type="int", default=0, dest="verbose",
0025          help="specify verbosity level, 0-none, 1-info, 2-debug")
0026     self.parser.add_option("--input",action="store", type="string", default=False, dest="input",
0027          help="specify input for your request.")
0028     self.parser.add_option("--xml",action="store_true",dest="xml",
0029          help="request output in XML format")
0030     self.parser.add_option("--cff",action="store_true",dest="cff",
0031          help="request output for files in CMS cff format")
0032     self.parser.add_option("--host",action="store",type="string",dest="host",
0033          help="specify a host name of Data Discovery service, e.g. https://cmsweb.cern.ch/dbs_discovery/")
0034     self.parser.add_option("--port",action="store",type="string",dest="port",
0035          help="specify a port to be used by Data Discovery host")
0036     self.parser.add_option("--iface",action="store",default="dd",type="string",dest="iface",
0037          help="specify which interface to use for queries dd or dbsapi, default is dbsapi.")
0038     self.parser.add_option("--details",action="store_true",dest="details",
0039          help="show detailed output")
0040     self.parser.add_option("--case",action="store",default="on",type="string",dest="case",
0041          help="specify if your input is case sensitive of not, default is on.")
0042     self.parser.add_option("--page",action="store",type="string",default="0",dest="page",
0043          help="specify output page, should come together with --limit and --details")
0044     self.parser.add_option("--limit",action="store",type="string",default="10",dest="limit",
0045          help="specify a limit on output, e.g. 50 results, the --limit=-1 will list all results")
0046   def getOpt(self):
0047     """
0048         Returns parse list of options
0049     """
0050     return self.parser.parse_args()
0051 
0052 def sendMessage(host,port,dbsInst,userInput,page,limit,xml=0,case='on',iface='dd',details=0,cff=0,debug=0):
0053     """
0054        Send message to server, message should be an well formed XML document.
0055     """
0056     if xml: xml=1
0057     else:   xml=0
0058     if cff: cff=1
0059     else:   cff=0
0060     input=urllib.quote(userInput)
0061     if debug:
0062        httplib.HTTPConnection.debuglevel = 1
0063        print("Contact",host,port)
0064     _port=443
0065     if host.find("http://")!=-1:
0066        _port=80
0067     if host.find("https://")!=-1:
0068        _port=443
0069     host=host.replace("http://","").replace("https://","")
0070     if host.find(":")==-1:
0071        port=_port
0072     prefix_path=""
0073     if host.find("/")!=-1:
0074        hs=host.split("/")
0075        host=hs[0]
0076        prefix_path='/'.join(hs[1:])
0077     if host.find(":")!=-1:
0078        host,port=host.split(":")
0079     port=int(port)
0080 #    print "\n\n+++",host,port
0081     if port==443:
0082        http_conn = httplib.HTTPS(host,port)
0083     else:
0084        http_conn = httplib.HTTP(host,port)
0085     if details: details=1
0086     else:       details=0
0087     path='/aSearch?dbsInst=%s&html=0&caseSensitive=%s&_idx=%s&pagerStep=%s&userInput=%s&xml=%s&details=%s&cff=%s&method=%s'%(dbsInst,case,page,limit,input,xml,details,cff,iface)
0088     if prefix_path:
0089        path="/"+prefix_path+path[1:]
0090     http_conn.putrequest('POST',path)
0091     http_conn.putheader('Host',host)
0092     http_conn.putheader('Content-Type','text/html; charset=utf-8')
0093     http_conn.putheader('Content-Length',str(len(input)))
0094     http_conn.endheaders()
0095     http_conn.send(input)
0096 
0097     (status_code,msg,reply)=http_conn.getreply()
0098     data=http_conn.getfile().read()
0099     if debug or msg!="OK":
0100        print()
0101        print(http_conn.headers)
0102        print("*** Send message ***")
0103        print(input)
0104        print("************************************************************************")
0105        print("status code:",status_code)
0106        print("message:",msg)
0107        print("************************************************************************")
0108        print(reply)
0109     return data
0110 
0111 #
0112 # main
0113 #
0114 if __name__ == "__main__":
0115     host= "cmsweb.cern.ch/dbs_discovery/"
0116     port= 443
0117     dbsInst="cms_dbs_prod_global"
0118     optManager  = DDOptionParser()
0119     (opts,args) = optManager.getOpt()
0120     if opts.host: host=opts.host
0121     if host.find("http://")!=-1:
0122        host=host.replace("http://","")
0123 #    if host.find(":")!=-1:
0124 #       host,port=host.split(":")
0125     if host[-1]!="/":
0126        host+="/"
0127     if opts.port:
0128        port = opts.port
0129     if opts.dbsInst: dbsInst=opts.dbsInst
0130     if opts.input:
0131        if os.path.isfile(opts.input):
0132           input=open(opts.input,'r').readline()
0133        else:
0134           input=opts.input
0135     else:
0136        print("\nUsage: %s --help"%sys.argv[0])
0137        sys.exit(0)
0138     result = sendMessage(host,port,dbsInst,input,opts.page,opts.limit,opts.xml,opts.case,opts.iface,opts.details,opts.cff,opts.verbose)
0139     print(result)