3616l1.orig 100664 777 330 5672 7062251415 12145 0 ustar ljeditor ljedit 3616l1
Listing 1. cgimodel.py
#!/usr/bin/env python
# $Id: cgimodel.py,v 1.3 1998/09/25 13:45:29
# chenna Exp chenna $
# $Author: chenna $
# $Version$
# $Date: 1998/09/25 13:45:29 $
# (C) Chenna Ramu, EMBL.
# chennaembl-heidelberg.de
# History
# Fixed the bug, when more than one value has the
# same key, the values should be a list for that
# key in the dict!
import sys
from cgidisp import *
mime_html = "Content-type: text/html\n\n"
pre = ""
_pre = "
"
# A dictionary with default values for
# non-existing entries
import UserDict, copy
class DictWithDefault(UserDict.UserDict):
def __init__(self, default):
self.data = {}
self.default = default
def __getitem__(self, key):
try:
item = self.data[key]
except KeyError:
item = copy.copy(self.default)
self.data[key] = item
return item
def __delitem__(self, key):
try:
del self.data[key]
except KeyError:
pass
def CollectArgs(parDict=None):
if not parDict:
parDict = DictWithDefault(None) # make anew
if( len(sys.argv) > 1 ):
cmdLine = sys.argv
i = 1
try:
while i < len(cmdLine):
key = cmdLine[i]
val = cmdLine[i+1]
if key[0] == '-':
key = key[1:]
if parDict.has_key(key): # make list
if type(parDict[key]) == type([]):
parDict[key].append(val)
else:
parDict[key] = []
tmp = parDict[key]
parDict[key].append(tmp)
parDict[key].append(val)
else:
parDict[key] = val
i = i + 2
parDict['isCmdLine'] = 1
except IndexError:
pass
else:
import cgi
form = cgi.FieldStorage()
parDict['isHtml'] = 1
for j in form.list:
if j.name[0] == '-': # take care of
# '-' in cgi
j.name = j.name[1:]
parDict[j.name]=j.value
parDict['isCmdLine'] = None
import os
parDict['_environ'] = {} # do not mix the
# environs with main dictionary
for k,v in os.environ.items():
parDict['_environ'][k] = v
return parDict
def TraceIt(parDict):
import traceback
sys.stderr = sys.stdout
if not parDict.has_key('isCmdLine'):
print parDict['isCmdLine']
print mime_html
print pre
print " Tracing ... "
traceback.print_exc()
if not parDict.has_key('isCmdLine'):
print _pre
return
##################################################
# main
#
def main():
parDict = DictWithDefault(None)
d = Dispatcher()
parDict = CollectArgs(parDict)
mime = parDict['mime']
if not mime:
print mime_html # print default mime
if mime == 'simple':
pass
fun = parDict['fun']
if not fun:
print "usage : cgimodel -fun functionName"
d.ShowAvailableFunc()
TraceIt(parDict)
else:
try:
d.dispatch(fun,parDict)
except:
TraceIt(parDict)
if __name__ == '__main__' :
main()
3616l2.orig 100664 777 330 6265 7062251502 12142 0 ustar ljeditor ljedit 3616l2
Listing 2. cgidisp.py
#!/usr/bin/env python
# $Id: cgidisp.py,v 1.3 1998/09/25 13:45:29 chenna
# Exp chenna $
# $Author: chenna $
# $Version$
# $Date: 1998/09/25 13:45:29 $
# (C) Chenna Ramu, EMBL.
# chenna@embl-heidelberg.de
# This is just a despatcher for cgimode.py !!
#
import string
import os
DispatchError = " Function not available "
class Dispatcher:
def __init__(self):
self.debug = None
def dispatch(self, command,args=None):
mname = 'cmd_' + command
if hasattr(self, mname):
method = getattr(self, mname)
if not args:
return method() #do not just call,
# return the string
else:
return method(args)
else:
print ""
self.error(command)
self.ShowAvailableFunc()
print ""
def ShowAvailableFunc(self):
a = dir(Dispatcher)
b = []
for j in a:
if j[0:4] != 'cmd_':
continue
b.append(j[4:])
print "Available functions are\n\n "
k = 0
for j in b:
k = k + 1
print " %5d: %s " %(k,j)
return
def error(self,s):
print " Error :
Function ( %s ) not available\n " %s
return
# This is a constant need for many cgi's
def _forkJob(shellString,keepAlive=None):
import os
pid = os.fork()
if pid:
pass
else:
if not keepAlive: # if you the job run
# backround then...
sys.stdout.close()
sys.stderr.close()
os.close(1) # not needed in v 4.0
os.close(2) # not needed in v 4.0
os.system(shellString)
def cmd_Hello(self,parDict):
print " Hello World !"
def cmd_SalesInput(self,parDict):
from sales import *
def cmd_NewMeth(self,parDict):
print ""
print " Hello new function "
def cmd_ShowDict(self,parDict):
print ""
print " Debug Info:
"
for k,v in parDict.items():
print "%-30s : %s " %(k,v)
print ""
def cmd_OutputForm(self,parDict):
n = 0
print ""
for k,v in parDict.items():
n = n + 1
print " %5d: %-20s : %20s " %(n,k,v)
print ""
##################################################
# usage:
# cgimodel.py?-fun=DisplayFile&fileName=cgidisp.py
# You need py2html to colour your python source!
# checkout www.python.org
#
def cmd_DisplayFile(self,parDict):
fileName = parDict['fileName']
if not fileName:
print " File name not given "
else:
import py2html
p,fileName = os.path.split(fileName)
# take care of malicious user
print " File: %s " %fileName
py2html.main(['dummy','-stdout',fileName])
def test():
d = Dispatcher()
d.debug = 1
d.dispatch('SalesInput','dummy')
# make an error to see how the traceback works!
d.dispatch('NoFun')
if __name__ == '__main__':
test()