/
grabimgurl.py
56 lines (45 loc) · 1.51 KB
/
grabimgurl.py
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import urlproxy as urlp
from bs4 import BeautifulSoup as bs
class GrabImgError(Exception):
pass
class OpenUrlError(GrabImgError):
def __init__(self, url, msg):
self.url = url
self.msg = msg
class TooDeepError(GrabImgError):
def __init__(self, maxdeep):
self.maxdeep = maxdeep
class ImgNotFoundError(GrabImgError):
def __init__(self, url, msg):
self.url = url
self.msg = msg
def save_img_in_url(url, fn='tempimg', maxdepth=1, currentdepth=1 ):
try:
if currentdepth > maxdepth:
raise TooDeepError( maxdepth )
# get resource
goturl = urlp.fetch_url(url)
# check type and save
if 'image' == goturl.info().getmaintype():
with open(fn,'wb') as f:
f.write(urlp.fetch_url(url).read())
f.close()
dmsg('saved img:'+url)
elif 'text/html' == goturl.info().gettype():
imglist = bs(goturl)('img')
if len(imglist) > 0:
for img in imglist:
save_img_in_url(img['src'], fn, maxdepth, currentdepth+1)
else:
dmsg("no img found")
raise ImgNotFoundError( url, "no img found in the given url" )
else:
raise OpenUrlError(url,'unknown type' + goturl.info().gettype())
except:
logfn = fn+'.saveerror'
l = open(logfn,'w')
l.write(url)
l.close()
raise GrabImgError
def dmsg(msg):
print ' [grabimgurl]',msg