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from __future__ import print_function
import re
import requests
from lxml.html import parse
from requests.exceptions import ConnectionError
DO_FAIL=False # fail on error
def is_root_link(link):
pattern = re.compile("^/$")
return pattern.match(link)
def is_mailto_link(link):
pattern = re.compile("^mailto:.*")
return pattern.match(link)
def is_internal_link(link):
pattern = re.compile("^/.*")
return pattern.match(link)
def is_in_page_link(link):
pattern = re.compile("^#.*")
return pattern.match(link)
def get_links(doc):
return filter(
lambda x: not (
is_root_link(x)
or is_mailto_link(x))
, map(lambda y: y.get("href")
, doc.cssselect("a")))
def verify_link(link):
if link[0] == "#":
# local link on page
return
print("verifying "+link)
try:
result = requests.get(link, timeout=20, verify=False)
if result.status_code == 200:
print(link+" ==> OK")
elif result.status_code == 307:
print(link+" ==> REDIRECT")
else:
print("ERROR: link `"+link+"` failed with status "
, result.status_code)
if DO_FAIL:
raise Exception("Failed verify")
except ConnectionError as ex:
print("ERROR: ", link, ex)
if DO_FAIL:
raise ex
def check_page(host, start_url):
print("")
print("Checking links host "+host+" in page `"+start_url+"`")
doc = parse(start_url).getroot()
links = get_links(doc)
in_page_links = filter(is_in_page_link, links)
internal_links = filter(is_internal_link, links)
external_links = filter(lambda x: not (is_internal_link(x) or is_in_page_link(x)), links)
for link in internal_links:
verify_link(host+link)
for link in external_links:
verify_link(link)
def check_links(args_obj, parser):
print("")
print("Checking links")
host = args_obj.host
# Check the home page
check_page(host, host)
# Check traits page
check_page(
host,
host+"/show_trait?trait_id=1435395_s_at&dataset=HC_M2_0606_P")
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