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fix wolfralpha scraping when a pod is empty

This commit is contained in:
Ryan Hitchman 2010-02-01 21:52:09 -07:00
parent 1dd86babc2
commit 30f6ead292
1 changed files with 6 additions and 1 deletions
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7
plugins/wolframalpha.py
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@ -22,7 +22,12 @@ def wolframalpha(inp):
pod_texts = [] pod_texts = []
for pod in pods: for pod in pods:
heading = pod.find('h1/span').text_content().strip() heading = pod.find('h1/span')
if heading is not None:
heading = text_content().strip()
else:
continue
results = [] results = []
for image in pod.xpath('div/div[@class="output"]/img'): for image in pod.xpath('div/div[@class="output"]/img'):
alt = image.attrib['alt'].strip() alt = image.attrib['alt'].strip()