1 Dec 13:35
5 Dec 14:47
Problem with SNMP Tools Availability ...
Hello, I am trying to configure Pykota for use with a set of Xerox printers that use IPP as the protocol. I have the base system setup with CUPS recognizing the printer and with the printer set up to use Pykota as the passthrough however printing still doesn't work. When I run "python checkdeps.py" I get the following output below. I noted that it says SNMP Tools are not available but I installed PySNMP. What else do I need to do? Thanks. ------------------- Checking PyKota dependencies... Checking for Python-PygreSQL availability : NO. ERROR : Python-PygreSQL not available ! PygreSQL is mandatory if you want to use PostgreSQL as the quota database backend. See http://www.pygresql.org Checking for Python-SQLite availability : NO. ERROR : Python-SQLite not available ! Python-SQLite is mandatory if you want to use SQLite as the quota database backend. See http://www.pysqlite.org Checking for MySQL-Python availability : OK Checking for Python-egenix-mxDateTime availability : OK Checking for Python-LDAP availability : OK Checking for Python-OSD availability : NO.(Continue reading)
16 Dec 16:47
cupspykota backend failed
This is the syslog message that I receive every time I try to print something. These lines were extracted from cups error_log file:
E [16/Dec/2011:12:30:01 -0300] [Job 6] Stopping unresponsive job!
E [16/Dec/2011:12:30:12 -0300] [Job 6] PyKota v1.27alpha13_unofficial
E [16/Dec/2011:12:30:12 -0300] [Job 6] cupspykota backend failed
E [16/Dec/2011:12:30:12 -0300] [Job 6] Traceback (most recent call last):
E [16/Dec/2011:12:30:12 -0300] [Job 6] File "/usr/lib/cups/backend/cupspykota", line 1342, in <module>
E [16/Dec/2011:12:30:12 -0300] [Job 6] wrapper.initBackendParameters()
E [16/Dec/2011:12:30:12 -0300] [Job 6] File "/usr/lib/cups/backend/cupspykota", line 256, in initBackendParameters
E [16/Dec/2011:12:30:12 -0300] [Job 6] copies, fname, sys.argv[5].strip())
E [16/Dec/2011:12:30:12 -0300] [Job 6] File "/usr/local/lib/python2.7/dist-packages/pykota/cups.py", line 51, in __init__
E [16/Dec/2011:12:30:12 -0300] [Job 6] self.retrieveAttributesFromCUPS()
E [16/Dec/2011:12:30:12 -0300] [Job 6] File "/usr/local/lib/python2.7/dist-packages/pykota/cups.py", line 114, in retrieveAttributesFromCUPS
E [16/Dec/2011:12:30:12 -0300] [Job 6] self.OriginalUserName = self.OriginatingUserName[:]
E [16/Dec/2011:12:30:12 -0300] [Job 6] TypeError: 'NoneType' object is not subscriptable
I've googled this error but I found nothing. Does anyone here have any idea of how can I get this through?
Thanks a lot.
--
Ass: Arthur Rodrigues
Aluno de Mestrado em Ciência da Computação pelo MDCC / UFC
Bacharel em Computação pela UFC em 2010
Departamento de Computação
Universidade Federal do Ceará
16 Dec 17:03
quota enforcement
Hi
I've been using Pykota for about three years and everything has been ok, but, I have a doubt about quota enforcement. By using the system we realized that users could print beyond their quota balance, not a lot of pages but a few that allow them to finish a final job. We used to call that "emergency balance" but I don't know how to calculate this and tell our users: you will print maximum 20 pages away from your balance. Has anyone found any method to calculate that?
Thanks in advance
|
Alfredo Flores H. Universidad de Chile, Facultad de Economía y Negocios |
16 Dec 17:39
Re: quota enforcement
Our system that we use here is proprietary (non-Pykota), but it suffers from the same problem. We will not know the pagecount until a job is done since we're using hardware page counts. We just tell people that this is so, and haven't had much trouble with it. When people want to buy additional credits, they have to also pay for the negative balance. On 12/16/2011 11:03 AM, Alfredo Flores Hernández wrote: > Hi > > I've been using Pykota for about three years and everything has been ok, > but, I have a doubt about quota enforcement. By using the system we > realized that users could print beyond their quota balance, not a lot of > pages but a few that allow them to finish a final job. We used to call > that "emergency balance" but I don't know how to calculate this and tell > our users: you will print maximum 20 pages away from your balance. Has > anyone found any method to calculate that? -- -- ---- _ _ _ _ ___ _ _ _ |Y#| | | |\/| | \ |\ | | |Ryan Novosielski - Sr. Systems Programmer |$&| |__| | | |__/ | \| _| |novosirj@... - 973/972.0922 (2-0922) \__/ Univ. of Med. and Dent.|IST/CST-Academic Svcs. - ADMC 450, Newark
16 Dec 18:27
Re: quota enforcement
I'm doing this from memory, so the directives may not be exact. You can try to calculate the job size with the preaccount directive which should use pkpgcounter to attempt to figure out the job before it goes to the printer. I think there are a couple of options that let you decide what you want to do if calculated size is greater than remaining credits/quota. There are some caveats, if I remember right, to using that method. For example, some printers report duplex jobs as 2 pages, some as 1. pkpgcounter may not correctly parse n-Up jobs, or may not be able to parse the job at all.
I think there's some flexibility in the options, but again, it's just going to come down to a matter of choice/policy as to how the system handles it.
Matt
2011/12/16 Alfredo Flores Hernández <alflores-ePCmL+LUQWwX+IlteNf3sA@public.gmane.org>
Hi
I've been using Pykota for about three years and everything has been ok, but, I have a doubt about quota enforcement. By using the system we realized that users could print beyond their quota balance, not a lot of pages but a few that allow them to finish a final job. We used to call that "emergency balance" but I don't know how to calculate this and tell our users: you will print maximum 20 pages away from your balance. Has anyone found any method to calculate that?
Thanks in advance
Alfredo Flores H.
Unidad de Desarrollo Tecnológico - UDT
alfredo.flores-ePCmL+LUQWwX+IlteNf3sA@public.gmane.org
Teléfono: +56 2 978 3427Universidad de Chile, Facultad de Economía y Negocios
Diagonal Paraguay 257 of 1704 | Teléfono: +56 2 978 3433
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24 Dec 05:34
Pykota configuration
Dear Team,
Does any one tell me pykota configuration for ubunut 10.04 and for the windows client also.I have tried the pykota installation under ubuntu 10.04 but i am getting lot of error on postgresql.please help me.
--
Thanks and Regards
M.Kumaresan
Care IT Solutions
Ph:8754563426
26 Dec 10:14
Restrict color printing and apply different quotas to color/B&W printer
Hello, I've been reading in mailing list files some posts about the subject but they was mainly old and not enought clear messages (to me). It is possible to restrict color printing (to some users) and apply different quotas (color and B&W quotas) to the same printer? If it is explained in other posts or in any docs (that I'm not able to find), could anybody send that links to me, please? (I'm reading about ink accounting, ink coverage,... but I've not understood what I must to do or how I can configure PyKota...) Thanks in advance, Daniel.
28 Dec 09:18
Re: Restrict color printing and apply different quotas to color/B&W printer
On Mon, Dec 26, 2011 at 10:14:33AM +0100, Daniel J. Soto wrote: > > It is possible to restrict color printing (to some users) and apply > different quotas (color and B&W quotas) to the same printer? No it's not possible if you want to use the same print queue for color and B&W printing. If you create two print queues then yes you can restrict some users and others not. With a single print queue, all users will only be restricted by their number of credits and the costs you've associated with each color. bye Jerome Alet
28 Dec 09:29
Re: Restrict color printing and apply different quotas to color/B&W printer
Hi, thanks very much for your reply. What is the tecnical problem to do that? I asked to me what is the tecnical problem to assign color and b&w quotas to an user for one printer, too. This two features would make PyKota a great product, do not you think? Regards, Daniel. 2011/12/28 <alet@...>: > On Mon, Dec 26, 2011 at 10:14:33AM +0100, Daniel J. Soto wrote: >> >> It is possible to restrict color printing (to some users) and apply >> different quotas (color and B&W quotas) to the same printer? > > No it's not possible if you want to use the same print queue for color > and B&W printing. > > If you create two print queues then yes you can restrict some users and > others not. > > With a single print queue, all users will only be restricted by their > number of credits and the costs you've associated with each color. > > bye > > Jerome Alet >
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