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I have csv file that looks like this:
artist,year,id,video_name,new_video_id,file_root_name,video_type
,,,,,,
Clay Aiken,1,clay_aiken,Sorry Seems To Be...,sorry-seems-to-be,02_sc_ca_sorry,FLV
Clay Aiken,1,clay_aiken,Everything I Do (I Do It For You),everything-i-do-i-do-it-for-you,03_sc_ca_everything,FLV
Clay Aiken,1,clay_aiken,A Thousand Days,a-thousand-days,04_sc_ca_thousandda,FLV
Clay Aiken,1,clay_aiken,Here You Come Again,here-you-come-again,05_sc_ca_hereyoucom,FLV
Clay Aiken,1,clay_aiken,Interview,interview,06_sc_ca_intv,FLV
Each row from above would generate a separate xml file like below (5 to be precise):
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE smil PUBLIC "-//W3C//DTD SMIL 2.0//EN" "http://www.w3.org/2001/SMIL20/SMIL20.dtd">
<smil xmlns="http://www.w3.org/2001/SMIL20/Language">
<head>
<meta base="rtmp://cp23636.edgefcs.net/ondemand" />
</head>
<body>
<switch>
<video src="mp4:soundcheck/%year/%id/%file_root_name_256.mp4" system-bitrate="336000"/>
<video src="mp4:soundcheck/%year/%id/%file_root_name_512.mp4" system-bitrate="592000"/>
<video src="mp4:soundcheck/%year/%id/%file_root_name_768.mp4" system-bitrate="848000"/>
<video src="mp4:soundcheck/%year/%id/%file_root_name_1128.mp4" system-bitrate="1208000"/>
</switch>
</body>
</smil>
Naming it %new_video_id.smil
I've figured out how to parse the csv file:
import csv
import sys
f = open(sys.argv[1], 'rU')
reader = csv.reader(f)
for row in reader:
year = row[1]
id = row[2]
file_root_name = row[5]
print year, id, file_root_name
How to I take each of the variables and include when writing the xml file?
942
I'd start with something like this:
import csv
import sys
from xml.etree import ElementTree
from xml.dom import minidom
video_data = ((256, 336000),
(512, 592000),
(768, 848000),
(1128, 1208000))
with open(sys.argv[1], 'rU') as f:
reader = csv.DictReader(f)
for row in reader:
switch_tag = ElementTree.Element('switch')
for suffix, bitrate in video_data:
attrs = {'src': ("mp4:soundcheck/{year}/{id}/{file_root_name}_{suffix}.mp4"
.format(suffix=str(suffix), **row)),
'system-bitrate': str(bitrate),
}
ElementTree.SubElement(switch_tag, 'video', attrs)
print minidom.parseString(ElementTree.tostring(switch_tag)).toprettyxml()
Basically as the csv file is parsed, an xml document is created using the attributes in the row to create video tags one by one.
Example output (for one row):
<?xml version="1.0" ?>
<switch>
<video src="mp4:soundcheck/1/clay_aiken/02_sc_ca_sorry_256.mp4" system-bitrate="336000"/>
<video src="mp4:soundcheck/1/clay_aiken/02_sc_ca_sorry_512.mp4" system-bitrate="592000"/>
<video src="mp4:soundcheck/1/clay_aiken/02_sc_ca_sorry_768.mp4" system-bitrate="848000"/>
<video src="mp4:soundcheck/1/clay_aiken/02_sc_ca_sorry_1128.mp4" system-bitrate="1208000"/>
</switch>
Note: ElementTree doesn't support pretty printing, so I used the trick explained in PyMOTW.
106
I'd consider treating your XML template as a format string: create a string whose value is the XML, replace all of that %year, %id, and %file_root_name. with %s, and then you can do:
print xml_template % [year, id, file_root_name] * 3
This will only work, mind you, if the data in your csv contains XML-legal characters that don't need to be escaped; you need to preprocess each value to convert markup characters (<, >, ', ") to entities (<, >, ', ").
It's safer to use minidom and ElementTree to build your XML, as jcollado suggests.
28
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