def parse(self, response, request):
base_url = response.url
bs = BeautifulSoup(response.text)
href_tags = {"a", "link", "area"}
src_tags = {
"form", "script", "img", "iframe", "frame", "embed", "source",
"track"
}
param_names = {"movie", "href", "link", "src", "url", "uri"}
for tag in bs.findAll():
name = tag.name.lower()
url = None
if name in href_tags:
url = tag.get("href", None)
elif name in src_tags:
url = tag.get("src", None)
elif name == "param":
name = tag.get("name", "").lower().strip()
if name in param_names:
url = tag.get("value", None)
elif name == "object":
url = tag.get("data", None)
elif name == "applet":
url = tag.get("code", None)
elif name == "meta":
name = tag.get("name", "").lower().strip()
if name == "http-equiv":
content = tag.get("content", "")
p = content.find(";")
if p >= 0:
url = content[p + 1:]
elif name == "base":
url = tag.get("href", None)
try:
base_url = urljoin(base_url,
url.strip(),
allow_fragments=False)
except Exception:
continue
if url is not None:
try:
url = urljoin(base_url, url.strip())
except Exception:
continue
if self.schedule.isOrigin(url) and url not in self.urlSet:
self.urlSet.add(url)
self.schedule.addRequest(Request.fromUrl(url, base_url))
#add directory
paths = url.replace(self.domain, '').split('/')
paths = ['/'.join(paths[:x]) for x in range(1, len(paths))]
for p in paths:
u = "%s%s/" % (self.domain, p)
if u not in self.urlSet:
self.urlSet.add(u)
self.schedule.addRequest(Request.fromUrl(u, url))
#handle form
if name == "form":
self.parseForm(tag, base_url)
def parse(self,response,request):
base_url = response.url
bs = BeautifulSoup(response.text)
href_tags = {"a", "link", "area"}
src_tags = {"form", "script", "img", "iframe", "frame", "embed", "source", "track"}
param_names = {"movie", "href", "link", "src", "url", "uri"}
for tag in bs.findAll():
name = tag.name.lower()
url = None
if name in href_tags:
url = tag.get("href", None)
elif name in src_tags:
url = tag.get("src", None)
elif name == "param":
name = tag.get("name", "").lower().strip()
if name in param_names:
url = tag.get("value", None)
elif name == "object":
url = tag.get("data", None)
elif name == "applet":
url = tag.get("code", None)
elif name == "meta":
name = tag.get("name", "").lower().strip()
if name == "http-equiv":
content = tag.get("content", "")
p = content.find(";")
if p >= 0:
url = content[ p + 1 : ]
elif name == "base":
url = tag.get("href", None)
try:
base_url = urljoin(base_url, url.strip(), allow_fragments = False)
except Exception:
continue
if url is not None:
try:
url = urljoin(base_url, url.strip())
except Exception:
continue
if self.schedule.isOrigin(url) and url not in self.urlSet:
self.urlSet.add(url)
self.schedule.addRequest(Request.fromUrl(url,base_url))
#add directory
paths = url.replace(self.domain,'').split('/')
paths = ['/'.join(paths[:x]) for x in range(1,len(paths))]
for p in paths:
u = "%s%s/" % (self.domain,p)
if u not in self.urlSet:
self.urlSet.add(u)
self.schedule.addRequest(Request.fromUrl(u,url))
#handle form
if name == "form":
self.parseForm(tag,base_url)
def parseForm(self,form,base_url):
action = form.get('action','')
method = form.get('method',DEFAULT_METHOD).upper()
url = urljoin(base_url,action)
if not self.schedule.isOrigin(url):
return
input = {}
#Process <input type="test" name="...
for m in form.findAll('input',{'name' : True,'type' : 'text'}):
value = m.get('value','')
input[m['name']] = value
#Process <input type="password" name="...
for m in form.findAll('input',{'name' : True,'type' : 'password'}):
value = m.get('value','')
input[m['name']] = value
#Process <input type="submit" name="...
for m in form.findAll('input',{'name' : True,'type' : 'submit'}):
value = m.get('value','')
input[m['name']] = value
#Process <input type="hidden" name="...
for m in form.findAll('input',{'name' : True,'type' : 'hidden'}):
value = m.get('value','')
input[m['name']] = value
#Process <input type="checkbox" name="...
for m in form.findAll('input',{'name' : True,'type' : 'checkbox'}):
value = m.get('value','')
input[m['name']] = value
#Process <input type="radio" name="...
listRadio = []
for m in form.findAll('input',{'name' : True,'type' : 'radio'}):
if not m['name'] in listRadio:
listRadio.append(m['name'])
value = m.get('value','')
input[m['name']] = value
#Process <textarea name="...
for m in form.findAll('textarea',{'name' : True}):
input[m['name']] = m.contents[0]
#Process <select name="...
for m in form.findAll('select',{'name' : True}):
if len(m.findAll('option',value=True))>0:
name = m['name']
input[name] = m.findAll('option',value=True)[0]['value']
params = '&'.join(["%s=%s" %(k,v) for k,v in input.iteritems()])
request = Request(url, method, params ,base_url)
self.schedule.addRequest(request)
def parseForm(self, form, base_url):
action = form.get('action', '')
method = form.get('method', DEFAULT_METHOD).upper()
url = urljoin(base_url, action)
if not self.schedule.isOrigin(url):
return
input = {}
#Process <input type="test" name="...
for m in form.findAll('input', {'name': True, 'type': 'text'}):
value = m.get('value', '')
input[m['name']] = value
#Process <input type="password" name="...
for m in form.findAll('input', {'name': True, 'type': 'password'}):
value = m.get('value', '')
input[m['name']] = value
#Process <input type="submit" name="...
for m in form.findAll('input', {'name': True, 'type': 'submit'}):
value = m.get('value', '')
input[m['name']] = value
#Process <input type="hidden" name="...
for m in form.findAll('input', {'name': True, 'type': 'hidden'}):
value = m.get('value', '')
input[m['name']] = value
#Process <input type="checkbox" name="...
for m in form.findAll('input', {'name': True, 'type': 'checkbox'}):
value = m.get('value', '')
input[m['name']] = value
#Process <input type="radio" name="...
listRadio = []
for m in form.findAll('input', {'name': True, 'type': 'radio'}):
if not m['name'] in listRadio:
listRadio.append(m['name'])
value = m.get('value', '')
input[m['name']] = value
#Process <textarea name="...
for m in form.findAll('textarea', {'name': True}):
input[m['name']] = m.contents[0]
#Process <select name="...
for m in form.findAll('select', {'name': True}):
if len(m.findAll('option', value=True)) > 0:
name = m['name']
input[name] = m.findAll('option', value=True)[0]['value']
params = '&'.join(["%s=%s" % (k, v) for k, v in input.iteritems()])
request = Request(url, method, params, base_url)
self.schedule.addRequest(request)
def parseRobots(self):
"""
parse robots protocol,both allow and disallow entry
for example: http://www.gaoloumi.com/robots.txt
"""
self.task.update_robots_flag('start')
robotsUrl = self.domain + "robots.txt"
try:
response = requests.request(robotsUrl)
if not response:
return
lines = response.text.splitlines()
for line in lines:
match = ROBOTS_ALLOW_PATH.search(line)
path = match.group('path') if match else '/'
if path != '/':
url = urljoin(self.domain,path)
self.addRequest(Request.fromUrl(url,robotsUrl))
finally:
self.task.update_robots_flag('finish')
def parseRobots(self):
"""
parse robots protocol,both allow and disallow entry
for example: http://www.gaoloumi.com/robots.txt
"""
self.task.update_robots_flag('start')
robotsUrl = self.domain + "robots.txt"
try:
response = requests.request(robotsUrl)
if not response:
return
lines = response.text.splitlines()
for line in lines:
match = ROBOTS_ALLOW_PATH.search(line)
path = match.group('path') if match else '/'
if path != '/':
url = urljoin(self.domain, path)
self.addRequest(Request.fromUrl(url, robotsUrl))
finally:
self.task.update_robots_flag('finish')
