getfirst and re
Victor Subervi
victorsubervi at gmail.com
Fri Jan 8 04:23:00 EST 2010
On Wed, Jan 6, 2010 at 2:19 PM, Victor Subervi <victorsubervi at gmail.com>wrote:
> On Wed, Jan 6, 2010 at 3:09 PM, Carsten Haese <carsten.haese at gmail.com>wrote:
>
>> Victor Subervi wrote:
>> > I have an automatically generated HTML form from which I need to extract
>> > data to the script which this form calls (to which the information is
>> > sent).
>>
>> Ideally, the script that receives the submitted fields should know how
>> the form was generated, so it knows what fields to expect. Failing that,
>> you should realize that getfirst() is not the only way to access the
>> contents of a cgi.FieldStorage object.
>>
>> If you need to know the values of all fields whose names obey a certain
>> pattern, I recommend you start with a list of all field names in the
>> FieldStorage object and pick out the ones whose names obey that pattern.
>> To get the list of field names, you should consider using the .keys()
>> method of the FieldStorage object.
>>
>
>
Code snippet:
def cgiFieldStorageToDict(fieldStorage):
params = {}
for key in fieldStorage.keys():
params[key] = cgi.FieldStorage[key].value
return params
def display():
top()
dict = cgiFieldStorageToDict(cgi.FieldStorage())
print dict
Error:
/var/www/html/angrynates.com/christians/cart/display.py
163 print 'All products together usually cost: $%f<br /><br />' %
str(fpformat.fix(round(int(allPrices * 100))/100, 2))
164 cursor.close()
165 bottom()
166
167 display()
display = <function display>
/var/www/html/angrynates.com/christians/cart/display.py in display()
120 def display():
121 top()
122 dict = cgiFieldStorageToDict(cgi.FieldStorage())
123 print dict
124 if store == 'prescriptions':
builtin dict = <type 'dict'>, global cgiFieldStorageToDict = <function
cgiFieldStorageToDict>, global cgi = <module 'cgi' from
'/usr/lib64/python2.4/cgi.pyc'>, cgi.FieldStorage = <class cgi.FieldStorage>
/var/www/html/angrynates.com/christians/cart/display.py in
cgiFieldStorageToDict(fieldStorage=FieldStorage(None, None,
[MiniFieldStorage('stor...products'), MiniFieldStorage('cat', 'prodCat1')]))
115 params = {}
116 for key in fieldStorage.keys():
117 params[key] = cgi.FieldStorage[key].value
118 return params
119
params = {}, key = 'store', global cgi = <module 'cgi' from
'/usr/lib64/python2.4/cgi.pyc'>, cgi.FieldStorage = <class
cgi.FieldStorage>, ].value undefined
TypeError: unsubscriptable object
args = ('unsubscriptable object',)
What do?
TIA,
beno
#! /usr/bin/python
import cgitb; cgitb.enable()
import cgi
import MySQLdb
import sys,os
sys.path.append(os.getcwd())
from login import login
from template import top, bottom
from sets import Set
import fpformat
form = cgi.FieldStorage()
store = form.getfirst('store')
cat = form.getfirst('cat', '')
user, passwd, db, host = login()
db = MySQLdb.connect(host, user, passwd, db)
cursor = db.cursor()
def displayProducts(patientID=''):
try: # These are stores with categories where ordering by price is
important
sql = 'select ID from %s where Category="%s" order by Price desc;' %
(store, cat)
cursor.execute(sql)
except: # Stores, like prescriptions, where ordering by price is not
important
sql = 'select ID from %s;' % (store)
cursor.execute(sql)
ids = [itm[0] for itm in cursor]
cursor.execute('describe %s;' % store)
colFields, colFieldValues = [itm[0] for itm in cursor], [itm[1] for itm in
cursor]
i = 0
if len(ids) > 0:
for id in ids:
# print '<tr>\n'
print '<form method="post" action="displayOneProduct.py">'
print "<input type='hidden' name='store' value='%s' />" % store
print "<input type='hidden' name='id' value='%s' />" % id
j = 0
for col in colFields:
sql = 'select %s from %s where ID="%s";' % (col, store, str(id))
cursor.execute(sql)
colValue = cursor.fetchone()
if col == 'SKU':
print "<input type='hidden' name='sku' value='%s' />" %
colValue[0]
print '<b>%s: </b>%s<br />\n' % (col, colValue[0])
elif col == 'Category':
print "<input type='hidden' name='cat' value='%s' />" %
colValue[0]
print '<b>%s: </b>%s<br />\n' % (col, colValue[0])
elif col == 'OutOfStock':
if colValue[0] == '1': # This product is out of stock
outOfStockFlag = 'yes'
else:
outOfStockFlag = 'no'
elif col[:3] != 'pic':
notSet = 1
if isinstance(colValue[0], (str, int, float, long, complex,
unicode, list, buffer, xrange, tuple)):
pass
else:
try:
html = "<b>%s</b>: <select name='%s'>" % (col, col)
notSet = 0
for itm in colValue[0]:
try:
color, number = itm.split('$')
html += "<option name='%s'>%s</option>" % (itm, color)
except:
html += "<option name='%s'>%s</option>" % (itm, itm)
html += "</select><br />"
print html
except:
pass
if notSet == 1:
if len(col) > 49:
colX = col[:50] + '...'
else:
colX = col
print '<b>%s: </b>%s<br />\n' % (colX, colValue[0])
elif col == 'pic1':
try:
if (colValue[0] != None):
# if (colValue[0] != None) and (len(colValue[0] > 0)):
print '<a href="getpic.py?store=%s&pic=%s&id=%s"
class="highslide" href="getpic.py?store=%s&pic=%s&id=%s" onclick="return
hs.expand(this)"><img src="getpic.py?store=%s&pic=%s&id=%s" width="100"
height="80" alt="" align="left" border="0" title="Click to enlarge"
style="border: 0px"></a><br clear="all" />\n' % (store, col[3:], id, store,
col[3:], id, store, col[3:], id)
except TypeError:
raise
except:
raise
# i += 1
# try:
# content = colValues[0][x].tostring()
# pic = "tmp" + str(i) + ".jpg"
# try:
# os.remove(pic)
# except:
# pass
# img = open(pic, "w")
# img.write(content)
# print '<img src="%s"><br /><br />' % pic
# img.close()
# except:
# pass
j += 1
if store != 'prescriptions':
if outOfStockFlag == 'yes':
print '<font color="red">This item is currently <b>out of
stock</b>.</font>'
else:
print "<input type='submit' value=' More Info ' />"
else:
print "<input type='hidden' name='patientID' value='%s' />" %
patientID
print "<input type='submit' value=' More Info ' />"
print '</form><br /><br />'
print '</td></tr></table>\n'
print '</table>\n'
def cgiFieldStorageToDict(fieldStorage):
params = {}
for key in fieldStorage.keys():
params[key] = cgi.FieldStorage[key].value
return params
def display():
top()
dict = cgiFieldStorageToDict(cgi.FieldStorage())
print dict
if store == 'prescriptions':
password = form.getfirst('password')
email = form.getfirst('email')
sql = 'select ID, FirstName, LastName from %s where PW="%s" and
Email="%s";' % ('patientsPersonalData', password, email)
try:
cursor.execute(sql)
patientID = [itm[0] for itm in cursor][0]
print "<h2>Welcome, %s %s!</h2>" % ([itm[1] for itm in cursor][0],
[itm[2] for itm in cursor][0])
displayProducts(patientID)
except:
print "We're sorry. The email address and password you entered do not
correspond with what is recorded in our database. Please click the
"back" button and try again.<br /><br />"
else:
displayProducts()
cursor.execute('show tables like "%sPackages";' % store)
if cursor.fetchone() is not None:
sql = 'select ID from categories%s where Category="%s";' %
(store[0].upper() + store[1:], cat)
cursor.execute(sql)
categoryID = cursor.fetchone()[0]
sql = 'select ID from %sPackages p join %sCategoriesPackages c where
c.CategoryID=%s;' % (store, store, categoryID)
cursor.execute(sql)
packageIDs = [itm[0] for itm in cursor]
for pid in packageIDs:
print 'XXX'
sql = 'select ProductID from %sProductsPackages where PackageID=%s;'
% (store, pid)
cursor.execute(sql)
productIDs = [itm[0] for itm in cursor]
sql = 'select Name, Price from %sPackages where ID=%s;' % (store,
pid)
name, price = cursor.fetchone()
print '<b>Package Name: %s</b><br />' % name
print 'Price: %s<br />' % price
allPrices = 0.00
for pid in productIDs:
sql = 'select Name, Price from %s;' % store
# print sql
cursor.execute(sql)
pName, pPrice = cursor.fetchone()
pPrice = float(pPrice)
allPrices += pPrice
print 'Product Name: %s<br />' % pName
print 'All products together usually cost: $%f<br /><br />' %
str(fpformat.fix(round(int(allPrices * 100))/100, 2))
cursor.close()
bottom()
display()
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