Created
November 5, 2017 22:07
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import re | |
import codecs | |
import requests | |
import glob | |
AMZN_RE = re.compile(u"https?://amzn.to/([0-9A-Za-z]+)") | |
ISBN1 = re.compile(u"https://www.amazon.com/(?:[A-Za-z\-]+)/dp/(\d{10})/") | |
ISBN2 = re.compile(u"https://www.amazon.com/gp/product/(\d{10})/") | |
def remove_amazon(filename): | |
print("Translating %s", filename) | |
f = codecs.open(filename, encoding='utf-8').read() | |
for cap in re.finditer(AMZN_RE, f): | |
url = cap.group(0) | |
redirected_to = requests.head(url, allow_redirects=True).url | |
capture = ISBN1.match(redirected_to) or ISBN2.match(redirected_to) | |
if capture == None: | |
print("Could not capture ISBN from %s", redirected_to) | |
continue | |
isbn = capture.group(1) | |
worldcat_permalink = requests.head("http://www.worldcat.org/isbn/%s" % isbn, allow_redirects=True).url | |
print(url, worldcat_permalink) | |
f = f.replace( | |
url, | |
worldcat_permalink | |
) | |
codecs.open(filename, 'w', encoding='utf-8').write(f) | |
for file in glob.glob('../tmcw.github.com/_posts/*.md'): | |
remove_amazon(file) |
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