getJobs does not return job details

[Ryan Lovett]

On hardy, running:

import cups
c = cups.Connection()
c.getJobs('completed')

which return a dictionary of completed jobs where the values are dictionaries with useful information, e.g.

{'job-name': u'lab1.pdf', 'job-printer-uri': u'ipp://server:631/printers/lj', 'time-at-completed': 1315344646, 'job-priority': 50, 'time-at-processing': 1315344638, 'job-state': 9, 'job-preserved': False, 'job-k-octets': 231, 'job-media-sheets-completed': 0, 'time-at-creation': 1315344638, 'job-originating-user-name': u'user1'}

On lucid, the method returns a dictionary with empty values. /var/spool/cups does contain files with job information. Permissions on /var/spool/cups and its contents are the same between hardy and lucid.

# directory
drwx--x--- 3 root lp 4096 2011-09-06 15:05 /var/spool/cups
# spool file
-rw------- 1 root lp 10159 2011-09-06 14:35 c00128

The process table shows cupsd running as root.

[Tim Waugh (twaugh)]

How do you mean "empty values"? You should get a dict of job_id: {'job_uri': str}, as by default the only attributes returned now are job_id and job_uri.

To specify other attributes, use the request_attributes parameter (make sure to include 'job_id', of course).

[Ryan Lovett (ryan-spacecoaster)]

On Tue, Sep 20, 2011 at 12:33:42PM -0000, Tim Waugh wrote:
> How do you mean "empty values"? You should get a dict of job_id:
> {'job_uri': str}, as by default the only attributes returned now are
> job_id and job_uri.
>
> To specify other attributes, use the request_attributes parameter (make
> sure to include 'job_id', of course).

Sorry for not including an example. Here's what we see:

>>> c.getJobs('completed')
{1: {}, 2: {}, 3: {}, 4: {}, 5: {}, 6: {}, 7: {}, 8: {}, 9: {}, 10: {},
11: {}, 12: {}, 13: {}, 15: {}, 16: {}, 17: {}, 18: {}, 19: {}, 20: {},
21: {}, 22: {}, 23: {}, 24: {}, 25: {}, 26: {}, 27: {}, 28: {}, 29: {},
30: {}, 31: {}, 32: {}, 33: {}, 34: {}, 35: {}, 36: {}, 37: {}, 38: {},
39: {}, 40: {}, 41: {}, 42: {}, 43: {}, 44: {}, 45: {}, 46: {}, 47: {},
48: {}, 49: {}, 50: {}, 51: {}, 52: {}, 53: {}, 54: {}, 55: {}, 60: {},
61: {}, 62: {}, 63: {}, 64: {}, 65: {}, 66: {}, 67: {}, 68: {}, 69: {},
70: {}, 71: {}, 72: {}, 74: {}, 77: {}, 78: {}, 83: {}, 84: {}, 85: {},
86: {}, 87: {}, 88: {}, 89: {}, 90: {}, 91: {}, 92: {}, 93: {}, 94: {},
95: {}, 96: {}, 97: {}, 98: {}, 99: {}, 100: {}, 101: {}, 102: {}, 103:
{}, 104: {}, 105: {}, 106: {}, 107: {}, 108: {}, 109: {}, 110: {}, 111:
{}, 112: {}, 113: {}, 114: {}, 115: {}, 116: {}, 117: {}, 118: {}, 119:
{}, 120: {}, 121: {}, 122: {}, 123: {}, 124: {}, 125: {}, 126: {}, 127:
{}, 128: {}, 129: {}, 130: {}, 131: {}, 132: {}, 133: {}, 134: {}, 135:
{}, 136: {}, 137: {}, 138: {}, 139: {}, 140: {}, 141: {}, 142: {}, 143:
{}, 144: {}, 145: {}, 146: {}, 147: {}, 148: {}, 149: {}, 150: {}, 151:
{}, 152: {}, 153: {}, 154: {}, 158: {}, 159: {}, 160: {}, 161: {}, 162:
{}, 163: {}, 164: {}, 165: {}, 166: {}, 167: {}, 168: {}, 169: {}, 170:
{}, 171: {}, 172: {}, 173: {}, 174: {}, 175: {}, 176: {}, 177: {}, 178:
{}, 179: {}, 180: {}, 181: {}, 182: {}, 183: {}, 184: {}, 185: {}, 186:
{}, 187: {}, 188: {}, 189: {}, 190: {}, 191: {}, 192: {}, 193: {}, 194:
{}, 195: {}, 196: {}, 197: {}, 198: {}, 199: {}, 200: {}, 201: {}, 202:
{}, 203: {}, 204: {}}

Ryan

[Ryan Lovett (ryan-spacecoaster)]

Documented in https://bugzilla.redhat.com/show_bug.cgi?id=584806 apparently. So it looks like I need to do something like:

c.getJobAttributes(202)['job-media-sheets-completed']

instead. Thanks for the pointer.

[Tim Waugh (twaugh)]

Yes, or if you need that attribute for all jobs, c.getJobs(requested_attributes=['job-id', 'job-media-sheets-completed']).

You should be getting the job-uri attribute with c.getJobs() though, and you're not. Could you set the environment variable PYCUPS_DEBUG=1 and see what output you get? I get this sort of thing:

-> Connection_init(host=localhost)
begin allow threads
httpConnectEncrypt(...)
end allow threads
<- Connection_init() = 0
-> Connection_getJobs(completed,0)
cupsDoRequest("/")
begin allow threads
end allow threads
Attribute: job-uri
Adding job-uri to job dict
Attribute: job-id
Adding 1 to result dict
<- Connection_getJobs() = dict
httpClose()

[Ryan Lovett (ryan-spacecoaster)]

On Wed, Sep 21, 2011 at 08:26:43AM -0000, Tim Waugh wrote:
> Yes, or if you need that attribute for all jobs,
> c.getJobs(requested_attributes=['job-id', 'job-media-sheets-
> completed']).
>
> You should be getting the job-uri attribute with c.getJobs() though, and
> you're not. Could you set the environment variable PYCUPS_DEBUG=1 and
> see what output you get? I get this sort of thing:
>
> -> Connection_init(host=localhost)
> begin allow threads
> httpConnectEncrypt(...)
> end allow threads
> <- Connection_init() = 0
> -> Connection_getJobs(completed,0)
> cupsDoRequest("/")
> begin allow threads
> end allow threads
> Attribute: job-uri
> Adding job-uri to job dict
> Attribute: job-id
> Adding 1 to result dict
> <- Connection_getJobs() = dict
> httpClose()

Here you go:

Python 2.6.5 (r265:79063, Apr 16 2010, 13:57:41)
[GCC 4.4.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import cups
>>> c = cups.Connection()
-> Connection_init(host=localhost)
begin allow threads
httpConnectEncrypt(...)
end allow threads
<- Connection_init() = 0
>>> jobs = c.getJobs()
-> Connection_getJobs((null),0)
cupsDoRequest("/")
begin allow threads
end allow threads
Attribute: job-uri
Attribute: job-id
Adding 14 to result dict
Attribute: job-uri
Attribute: job-id
Adding 155 to result dict
Attribute: job-uri
Attribute: job-id
Adding 156 to result dict
Attribute: job-uri
Attribute: job-id
Adding 157 to result dict
<- Connection_getJobs() = dict
>>> jobs
{155: {}, 156: {}, 157: {}, 14: {}}
>>> c.getJobs(requested_attributes=['job-id', 'job-media-sheets-completed'])
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: 'requested_attributes' is an invalid keyword argument for this function
>>> c.getJobAttributes(155)['job-id']
-> Connection_getJobAttributes(155)
cupsDoRequest("/")
begin allow threads
end allow threads
<- Connection_getJobAttributes() = dict
155
>>> c.getJobAttributes(155)['job-uri']
-> Connection_getJobAttributes(155)
cupsDoRequest("/")
begin allow threads
end allow threads
<- Connection_getJobAttributes() = dict
u'ipp://localhost:631/jobs/155'
>>> c.getJobAttributes(155)['job-media-sheets-completed']
-> Connection_getJobAttributes(155)
cupsDoRequest("/")
begin allow threads
end allow threads
<- Connection_getJobAttributes() = dict
7
>>>

# lsb_release -a
LSB Version:
core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:cxx-3.0-amd64:cxx-3.0-noarch:cxx-3.1-amd64:cxx-3.1-noarch:cxx-3.2-amd64:cxx-3.2-noarch:cxx-4.0-amd64:cxx-4.0-noarch:desktop-3.1-amd64:desktop-3.1-noarch:desktop-3.2-amd64:desktop-3.2-noarch:desktop-4.0-amd64:desktop-4.0-noarch:graphics-2.0-amd64:graphics-2.0-noarch:graphics-3.0-amd64:graphics-3.0-noarch:graphics-3.1-amd64:graphics-3.1-noarch:graphics-3.2-amd64:graphics-3.2-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-3.2-amd64:printing-3.2-noarch:printing-4.0-amd64:printing-4.0-noarch:qt4-3.1-amd64:qt4-3.1-noarch
Distributor ID: Ubuntu
Description: Ubuntu 10.04.3 LTS
Release: 10.04
Codename: lucid

Running help(cups) shows that /usr/lib/pymodules/pyth...