It is the slides for COSCUP[1] 2013 talk, "Automatic Printing System with Open Source Tools". It explains how to setup automatic printing system on Linux and includes some tips for it. [1] COSCUP: http://coscup.org/

1. 2013/08/03 @ COSCUP 2013
Automatic Printing System
with Open SourceTools
Mosky
1

2. This Slide
✤ This slide is available at:
https://speakerdeck.com/mosky/automatic-printing-system-with-
open-source-tools
2

3. Mosky
3

4. Mosky
✤ I am working at www.pinkoi.com .
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5. Mosky
✤ I am working at www.pinkoi.com .
✤ I've been using Ubuntu everyday since 2009.
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6. Mosky
✤ I am working at www.pinkoi.com .
✤ I've been using Ubuntu everyday since 2009.
✤ A speaker at PyCon TW 2013, 2012, PyCon JP 2012, ...
3

7. Mosky
✤ I am working at www.pinkoi.com .
✤ I've been using Ubuntu everyday since 2009.
✤ A speaker at PyCon TW 2013, 2012, PyCon JP 2012, ...
✤ http://mosky.tw/
3

8. Outline
4

9. Outline
✤ The Motivation
4

10. Outline
✤ The Motivation
✤ Setup Printing System on Linux
4

11. Outline
✤ The Motivation
✤ Setup Printing System on Linux
✤ Convert Web to PDF
4

12. Outline
✤ The Motivation
✤ Setup Printing System on Linux
✤ Convert Web to PDF
✤ The Tips
4

13. The Motivation
5

14. It's just out of control!
We have to issue more than 1,000 invoices per month.
6

15. It's just out of control!
We have to issue more than 1,000 invoices per month.
6

16. We love hand-made stuff.
Pinkoi is the largest online community and marketplace for designers in Asia
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17. We love hand-made stuff.
Pinkoi is the largest online community and marketplace for designers in Asia
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18. So we build it for ourselves
with many cups of coffee.
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19. So we build it for ourselves
with many cups of coffee.
8

20. Setup Printing System on Linux
9

21. The Check List
10

22. The Check List
✤ A computer installed Linux and CUPS
(Common Unix Printing System).
10

23. The Check List
✤ A computer installed Linux and CUPS
(Common Unix Printing System).
✤ http://www.cups.org/
10

24. The Check List
✤ A computer installed Linux and CUPS
(Common Unix Printing System).
✤ http://www.cups.org/
✤ http://localhost:631/
10

25. The Check List
✤ A computer installed Linux and CUPS
(Common Unix Printing System).
✤ http://www.cups.org/
✤ http://localhost:631/
✤ A printer which has an IP address.
10

26. The Check List
✤ A computer installed Linux and CUPS
(Common Unix Printing System).
✤ http://www.cups.org/
✤ http://localhost:631/
✤ A printer which has an IP address.
✤ http://192.168.2.100/
10

27. The Check List
✤ A computer installed Linux and CUPS
(Common Unix Printing System).
✤ http://www.cups.org/
✤ http://localhost:631/
✤ A printer which has an IP address.
✤ http://192.168.2.100/
✤ lpd://192.168.2.100/
10

28. Setup Printer with CUPS' Driver
11

29. Setup Printer with CUPS' Driver
✤ Find the driver for your printer:
11

30. Setup Printer with CUPS' Driver
✤ Find the driver for your printer:
✤ $ lpinfo --make-and-model 'P1006' -m
11

31. Setup Printer with CUPS' Driver
✤ Find the driver for your printer:
✤ $ lpinfo --make-and-model 'P1006' -m
✤ drv:///hpijs.drv/hp-laserjet_p1006-hpijs.ppd HP LaserJet
p1006 hpijs, 3.10.2, requires proprietary plugin
11

32. Setup Printer with CUPS' Driver
✤ Find the driver for your printer:
✤ $ lpinfo --make-and-model 'P1006' -m
✤ drv:///hpijs.drv/hp-laserjet_p1006-hpijs.ppd HP LaserJet
p1006 hpijs, 3.10.2, requires proprietary plugin
✤ Add the printer with the driver we found from the above command:
11

33. Setup Printer with CUPS' Driver
✤ Find the driver for your printer:
✤ $ lpinfo --make-and-model 'P1006' -m
✤ drv:///hpijs.drv/hp-laserjet_p1006-hpijs.ppd HP LaserJet
p1006 hpijs, 3.10.2, requires proprietary plugin
✤ Add the printer with the driver we found from the above command:
✤ $ lpadmin -E -p <NAME> -v socket://<IP> -m <DRIVER> -E
11

34. Setup Printer with CUPS' Driver
✤ Find the driver for your printer:
✤ $ lpinfo --make-and-model 'P1006' -m
✤ drv:///hpijs.drv/hp-laserjet_p1006-hpijs.ppd HP LaserJet
p1006 hpijs, 3.10.2, requires proprietary plugin
✤ Add the printer with the driver we found from the above command:
✤ $ lpadmin -E -p <NAME> -v socket://<IP> -m <DRIVER> -E
✤ $ lpadmin -E -p 'hp-p1006' -v socket://192.168.2.100 -m
drv:///hpijs.drv/hp-laserjet_p1006-hpijs.ppd -E
11

35. Setup Printer with PPD
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36. Setup Printer with PPD
✤ Find the PPD file for your printer:
12

37. Setup Printer with PPD
✤ Find the PPD file for your printer:
✤ http://www.openprinting.org/drivers
12

38. Setup Printer with PPD
✤ Find the PPD file for your printer:
✤ http://www.openprinting.org/drivers
✤ Put the PPD file in:
12

39. Setup Printer with PPD
✤ Find the PPD file for your printer:
✤ http://www.openprinting.org/drivers
✤ Put the PPD file in:
✤ /usr/share/cups/model
12

40. Setup Printer with PPD
✤ Find the PPD file for your printer:
✤ http://www.openprinting.org/drivers
✤ Put the PPD file in:
✤ /usr/share/cups/model
✤ Add the printer with this PPD file:
12

41. Setup Printer with PPD
✤ Find the PPD file for your printer:
✤ http://www.openprinting.org/drivers
✤ Put the PPD file in:
✤ /usr/share/cups/model
✤ Add the printer with this PPD file:
✤ $ lpadmin -E -p <NAME> -v lpd://<IP>/lp -m <DRIVER> -E
12

42. Setup Printer with PPD
✤ Find the PPD file for your printer:
✤ http://www.openprinting.org/drivers
✤ Put the PPD file in:
✤ /usr/share/cups/model
✤ Add the printer with this PPD file:
✤ $ lpadmin -E -p <NAME> -v lpd://<IP>/lp -m <DRIVER> -E
✤ $ lpadmin -E -p 'hp-p1006' -v lpd://192.168.2.100/lp -m
12

43. More about lpadmin
13

44. More about lpadmin
✤ Enable a printer:
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45. More about lpadmin
✤ Enable a printer:
✤ $ lpadmin -p <NAME> -E
13

46. More about lpadmin
✤ Enable a printer:
✤ $ lpadmin -p <NAME> -E
✤ Set a printer as default:
13

47. More about lpadmin
✤ Enable a printer:
✤ $ lpadmin -p <NAME> -E
✤ Set a printer as default:
✤ $ lpadmin -d <NAME>
13

48. More about lpadmin
✤ Enable a printer:
✤ $ lpadmin -p <NAME> -E
✤ Set a printer as default:
✤ $ lpadmin -d <NAME>
✤ Remove a printer:
13

49. More about lpadmin
✤ Enable a printer:
✤ $ lpadmin -p <NAME> -E
✤ Set a printer as default:
✤ $ lpadmin -d <NAME>
✤ Remove a printer:
✤ $ lpadmin -x <NAME>
13

50. Check Printer is Online
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51. Check Printer is Online
✤ Just print a test file:
14

52. Check Printer is Online
✤ Just print a test file:
✤ $ lpr -P <NAME> <FILE>
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53. Check Printer is Online
✤ Just print a test file:
✤ $ lpr -P <NAME> <FILE>
✤ Check the status of printer:
14

54. Check Printer is Online
✤ Just print a test file:
✤ $ lpr -P <NAME> <FILE>
✤ Check the status of printer:
✤
$ lpstat -a / $ lpstat -t
14

55. Check Printer is Online
✤ Just print a test file:
✤ $ lpr -P <NAME> <FILE>
✤ Check the status of printer:
✤
$ lpstat -a / $ lpstat -t
✤ Troubleshooting:
14

56. Check Printer is Online
✤ Just print a test file:
✤ $ lpr -P <NAME> <FILE>
✤ Check the status of printer:
✤
$ lpstat -a / $ lpstat -t
✤ Troubleshooting:
✤ $ nc -v <IP> <PORT>
14

57. Check Printer is Online
✤ Just print a test file:
✤ $ lpr -P <NAME> <FILE>
✤ Check the status of printer:
✤
$ lpstat -a / $ lpstat -t
✤ Troubleshooting:
✤ $ nc -v <IP> <PORT>
✤ $ nmap <IP> -p <PORT_RANGE>
14

58. ConvertWeb to PDF
15

59. The Packages
16

60. The Packages
✤ Use wkhtmltopdf to convert Web to PDF.
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61. The Packages
✤ Use wkhtmltopdf to convert Web to PDF.
✤ $ sudo apt-get install wkhtmltopdf
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62. The Packages
✤ Use wkhtmltopdf to convert Web to PDF.
✤ $ sudo apt-get install wkhtmltopdf
✤ https://code.google.com/p/wkhtmltopdf/
16

63. The Packages
✤ Use wkhtmltopdf to convert Web to PDF.
✤ $ sudo apt-get install wkhtmltopdf
✤ https://code.google.com/p/wkhtmltopdf/
✤ If you don't have X Window, you also need xvfb.
16

64. The Packages
✤ Use wkhtmltopdf to convert Web to PDF.
✤ $ sudo apt-get install wkhtmltopdf
✤ https://code.google.com/p/wkhtmltopdf/
✤ If you don't have X Window, you also need xvfb.
✤ $ sudo apt-get install xvfb
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65. The Usage
17

66. The Usage
✤ with X Window:
17

67. The Usage
✤ with X Window:
✤ $ wkhtmltopdf <HTML> <PDF>
17

68. The Usage
✤ with X Window:
✤ $ wkhtmltopdf <HTML> <PDF>
✤ $ wkhtmltopdf -T 0 -L 0 -R 0 -B 0 --page-size A4 --
encoding utf-8 <HTML> <PDF>
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69. The Usage
✤ with X Window:
✤ $ wkhtmltopdf <HTML> <PDF>
✤ $ wkhtmltopdf -T 0 -L 0 -R 0 -B 0 --page-size A4 --
encoding utf-8 <HTML> <PDF>
✤ without X window:
17

70. The Usage
✤ with X Window:
✤ $ wkhtmltopdf <HTML> <PDF>
✤ $ wkhtmltopdf -T 0 -L 0 -R 0 -B 0 --page-size A4 --
encoding utf-8 <HTML> <PDF>
✤ without X window:
✤ $ xvfb-run -a -s "-screen 0 640x480x16" wkhtmltopdf -T 0
-L 0 -R 0 -B 0 --page-size A4 --encoding utf-8 <HTML>
<PDF>
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71. Send File to Printer
18

72. Send File to Printer
✤ Print file:
18

73. Send File to Printer
✤ Print file:
✤ $ lpr -P <NAME> <FILE>...
18

74. Send File to Printer
✤ Print file:
✤ $ lpr -P <NAME> <FILE>...
✤ Show printer queue:
18

75. Send File to Printer
✤ Print file:
✤ $ lpr -P <NAME> <FILE>...
✤ Show printer queue:
✤ $ lpq -P <NAME>
18

76. Send File to Printer
✤ Print file:
✤ $ lpr -P <NAME> <FILE>...
✤ Show printer queue:
✤ $ lpq -P <NAME>
✤ $ lpq -a
18

77. Send File to Printer
✤ Print file:
✤ $ lpr -P <NAME> <FILE>...
✤ Show printer queue:
✤ $ lpq -P <NAME>
✤ $ lpq -a
✤ Cancel print job:
18

78. Send File to Printer
✤ Print file:
✤ $ lpr -P <NAME> <FILE>...
✤ Show printer queue:
✤ $ lpq -P <NAME>
✤ $ lpq -a
✤ Cancel print job:
✤ $ lprm -P <NAME> <JOB_ID>...
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79. PyCUPS
19

80. PyCUPS
✤ PyPI
19

81. PyCUPS
✤ PyPI
✤ https://pypi.python.org/pypi/pycups
19

82. PyCUPS
✤ PyPI
✤ https://pypi.python.org/pypi/pycups
✤ Get connection:
19

83. PyCUPS
✤ PyPI
✤ https://pypi.python.org/pypi/pycups
✤ Get connection:
✤ import cups
conn = cups.Connection()
19

84. PyCUPS - Get Printers
20

85. PyCUPS - Get Printers
✤ Get printers:
20

86. PyCUPS - Get Printers
✤ Get printers:
✤ conn.getPrinters()
20

87. PyCUPS - Get Printers
✤ Get printers:
✤ conn.getPrinters()
✤ Example output:
20

88. PyCUPS - Get Printers
✤ Get printers:
✤ conn.getPrinters()
✤ Example output:
✤ {u'hp': {'device-uri': u'lpd://192.168.0.100/lp',
'printer-info': u'hp',
# 3: prepared to print; 4: printing; 5: this device is stop
'printer-state': 3,
'printer-state-message': u'Data file sent successfully',
'printer-state-reasons': [u'none'],
...
'printer-uri-supported': u'ipp://localhost:631/printers/hp'}}
20

89. PyCUPS - Print File
21

90. PyCUPS - Print File
✤ Print file:
21

91. PyCUPS - Print File
✤ Print file:
✤ conn.printFile(printer, filename, title, options)
conn.printFiles(printer, filenames, title, options)
21

92. PyCUPS - Print File
✤ Print file:
✤ conn.printFile(printer, filename, title, options)
conn.printFiles(printer, filenames, title, options)
✤ Example:
21

93. PyCUPS - Print File
✤ Print file:
✤ conn.printFile(printer, filename, title, options)
conn.printFiles(printer, filenames, title, options)
✤ Example:
✤ conn.printFile(printer, filepath,
os.path.basename(filepath), {})
21

94. PyCUPS - Get Jobs
22

95. PyCUPS - Get Jobs
✤ Get jobs:
22

96. PyCUPS - Get Jobs
✤ Get jobs:
✤ conn.getJobs(which_jobs='not-completed', my_jobs=False,
limit=-1, first_job_id=-1, requested_attributes=None)
22

97. PyCUPS - Get Jobs
✤ Get jobs:
✤ conn.getJobs(which_jobs='not-completed', my_jobs=False,
limit=-1, first_job_id=-1, requested_attributes=None)
✤ The which_jobs can be 'not-completed', 'completed' or 'all'.
22

98. PyCUPS - Get Jobs
✤ Get jobs:
✤ conn.getJobs(which_jobs='not-completed', my_jobs=False,
limit=-1, first_job_id=-1, requested_attributes=None)
✤ The which_jobs can be 'not-completed', 'completed' or 'all'.
✤ It returns a dict, indexed by job id, of dicts representing job attributes.
22

99. TheTips
23

100. The Error Log
24

101. The Error Log
✤ $ sudo tail -f /var/log/cups/error_log
24

102. AboutTemplate (CSS)
25

103. AboutTemplate (CSS)
✤ Use cm/mm as your unit ...
25

104. AboutTemplate (CSS)
✤ Use cm/mm as your unit ...
✤ The steps of adjusting output:
25

105. AboutTemplate (CSS)
✤ Use cm/mm as your unit ...
✤ The steps of adjusting output:
✤ Create 1x1 cm div block.
25

106. AboutTemplate (CSS)
✤ Use cm/mm as your unit ...
✤ The steps of adjusting output:
✤ Create 1x1 cm div block.
✤ Print it.
25

107. AboutTemplate (CSS)
✤ Use cm/mm as your unit ...
✤ The steps of adjusting output:
✤ Create 1x1 cm div block.
✤ Print it.
✤ Use zoom to adjust.
25

108. AboutTemplate (CSS)
✤ Use cm/mm as your unit ...
✤ The steps of adjusting output:
✤ Create 1x1 cm div block.
✤ Print it.
✤ Use zoom to adjust.
✤ Avoid floating structure.
25

109. Live Demo
26

110. Live Demo
27

111. Video Demo
28

112. 29

113. 29

114. The End
30

115. The End
31

116. The End
✤ CUPS
31

117. The End
✤ CUPS
✤
lpadmin, lpstat, lpr, lpq, lprm, ...
31

118. The End
✤ CUPS
✤
lpadmin, lpstat, lpr, lpq, lprm, ...
✤ wxhtmltopdf
31

119. The End
✤ CUPS
✤
lpadmin, lpstat, lpr, lpq, lprm, ...
✤ wxhtmltopdf
✤ PyCUPS
31

120. The End
✤ CUPS
✤
lpadmin, lpstat, lpr, lpq, lprm, ...
✤ wxhtmltopdf
✤ PyCUPS
✤ Some tips
31

121. The End
✤ CUPS
✤
lpadmin, lpstat, lpr, lpq, lprm, ...
✤ wxhtmltopdf
✤ PyCUPS
✤ Some tips
✤ Any Question?
31