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get favicons for custom substack publications.

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This commit is contained in:
Jason Schwarzenberger 2020-11-24 10:36:31 +13:00
parent 3daae5fa1b
commit fe01ea52e5
5 changed files with 58 additions and 48 deletions
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43
apiserver/feeds/substack.py
View File

@ -11,6 +11,8 @@ import requests
from datetime import datetime
from misc.time import unix
from misc.metadata import get_icons
from misc.api import xml, json
from utils import clean
SUBSTACK_REFERER = 'https://substack.com'
@ -23,29 +25,6 @@ def api_comments(post_id, base_url):
def api_stories(x, base_url):
return f"{base_url}/api/v1/archive?sort=new&search=&offset=0&limit=100"
def api(route, ref=None, referer=None):
headers = {'Referer': referer} if referer else None
try:
r = requests.get(route(ref), headers=headers, timeout=10)
if r.status_code != 200:
raise Exception('Bad response code ' + str(r.status_code))
return r.json()
except KeyboardInterrupt:
raise
except BaseException as e:
logging.error('Problem hitting Substack API: {}, trying again'.format(str(e)))
try:
r = requests.get(route(ref), headers=headers, timeout=20)
if r.status_code != 200:
raise Exception('Bad response code ' + str(r.status_code))
return r.json()
except KeyboardInterrupt:
raise
except BaseException as e:
logging.error('Problem hitting Substack API: {}'.format(str(e)))
return False
def comment(i):
if 'body' not in i:
return False
@ -71,14 +50,14 @@ class Publication:
return ref.replace(f"{self.BASE_DOMAIN}/#id:", '')
def feed(self):
stories = api(lambda x: api_stories(x, self.BASE_DOMAIN), referer=self.BASE_DOMAIN)
stories = json(lambda x: api_stories(x, self.BASE_DOMAIN), headers={'Referer': self.BASE_DOMAIN})
if not stories: return []
stories = list(filter(None, [i if i.get("audience") == "everyone" else None for i in stories]))
return [self.ref_prefix(str(i.get("id"))) for i in stories or []]
def story(self, ref):
ref = self.strip_ref_prefix(ref)
stories = api(lambda x: api_stories(x, self.BASE_DOMAIN), referer=self.BASE_DOMAIN)
stories = json(lambda x: api_stories(x, self.BASE_DOMAIN), headers={'Referer': self.BASE_DOMAIN})
if not stories: return False
stories = list(filter(None, [i if i.get("audience") == "everyone" else None for i in stories]))
stories = list(filter(None, [i if str(i.get('id')) == ref else None for i in stories]))
@ -99,7 +78,7 @@ class Publication:
s['title'] = r.get('title', '')
s['link'] = r.get('canonical_url', '')
s['url'] = r.get('canonical_url', '')
comments = api(lambda x: api_comments(x, self.BASE_DOMAIN), r.get('id'), referer=self.BASE_DOMAIN)
comments = json(lambda x: api_comments(x, self.BASE_DOMAIN), r.get('id'), headers={'Referer': self.BASE_DOMAIN})
s['comments'] = [comment(i) for i in comments.get('comments')]
s['comments'] = list(filter(bool, s['comments']))
s['num_comments'] = r.get('comment_count', 0)
@ -109,6 +88,12 @@ class Publication:
s['author'] = authors[0].get('name')
s['author_link'] = authors[0].get('link')
markup = xml(lambda x: s['link'])
if markup:
icons = get_icons(markup, url=s['link'])
if icons:
s['icon'] = icons[0]
return s
def _bylines(self, b):
@ -131,7 +116,7 @@ class Top:
return ref
def feed(self):
stories = api(SUBSTACK_API_TOP_POSTS, referer=SUBSTACK_REFERER)
stories = json(SUBSTACK_API_TOP_POSTS, headers={'Referer': SUBSTACK_REFERER})
if not stories: return []
stories = list(filter(None, [i if i.get("audience") == "everyone" else None for i in stories]))
stories = [dict(id=i.get('id'), base_url=i.get("pub", { 'base_url': '' }).get("base_url")) for i in stories or []]
@ -139,7 +124,7 @@ class Top:
def story(self, ref):
ref = self.strip_ref_prefix(ref)
stories = api(SUBSTACK_API_TOP_POSTS, referer=SUBSTACK_REFERER)
stories = json(SUBSTACK_API_TOP_POSTS, headers={'Referer': SUBSTACK_REFERER})
if not stories: return False
stories = list(filter(None, [i if i.get("audience") == "everyone" else None for i in stories]))
stories = list(filter(None, [i if str(i.get('id')) == ref else None for i in stories]))
@ -162,7 +147,7 @@ class Top:
s['title'] = r.get('title', '')
s['link'] = r.get('canonical_url', '')
s['url'] = r.get('canonical_url', '')
comments = api(lambda x: api_comments(x, base_url), r.get('id'), referer=SUBSTACK_REFERER)
comments = json(lambda x: api_comments(x, base_url), r.get('id'), headers={'Referer': SUBSTACK_REFERER})
s['comments'] = [comment(i) for i in comments.get('comments')]
s['comments'] = list(filter(bool, s['comments']))
s['num_comments'] = r.get('comment_count', 0)

21
apiserver/misc/api.py
View File

@ -5,13 +5,16 @@ logging.basicConfig(
import requests
USER_AGENT = "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
FORWARD_IP = '66.249.66.1'
GOOGLEBOT_USER_AGENT = "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
GOOGLEBOT_IP = '66.249.66.1'
TIMEOUT = 30
def xml(route, ref=None):
def xml(route, ref=None, headers=dict(), use_googlebot=True):
try:
headers = {'User-Agent': USER_AGENT, 'X-Forwarded-For': FORWARD_IP}
r = requests.get(route(ref), headers=headers, timeout=5)
if use_googlebot:
headers['User-Agent'] = GOOGLEBOT_USER_AGENT
headers['X-Forwarded-For'] = GOOGLEBOT_IP
r = requests.get(route(ref), headers=headers, timeout=TIMEOUT)
if r.status_code != 200:
raise Exception('Bad response code ' + str(r.status_code))
return r.text
@ -21,10 +24,12 @@ def xml(route, ref=None):
logging.error('Problem hitting URL: {}'.format(str(e)))
return False
def json(route, ref=None):
def json(route, ref=None, headers=dict(), use_googlebot=True):
try:
headers = {'User-Agent': USER_AGENT, 'X-Forwarded-For': FORWARD_IP}
r = requests.get(route(ref), headers=headers, timeout=5)
if use_googlebot:
headers['User-Agent'] = GOOGLEBOT_USER_AGENT
headers['X-Forwarded-For'] = GOOGLEBOT_IP
r = requests.get(route(ref), headers=headers, timeout=TIMEOUT)
if r.status_code != 200:
raise Exception('Bad response code ' + str(r.status_code))
return r.json()

14
apiserver/misc/icons.py Normal file
View File

@ -0,0 +1,14 @@
from bs4 import BeautifulSoup
def get_icons(markup):
soup = BeautifulSoup(markup, features='html.parser')
icon32 = soup.find_all('link', rel="icon", href=True, sizes="32x32")
icon16 = soup.find_all('link', rel="icon", href=True, sizes="16x16")
favicon = soup.find_all('link', rel="shortcut icon", href=True)
others = soup.find_all('link', rel="icon", href=True)
icons = icon32 + icon16 + favicon + others
base_url = '/'.join(urlref.split('/')[:3])
icons = list(set([i.get('href') for i in icons]))
icons = [i if i.startswith('http') else base_url + i for i in icons]
return icons

15
apiserver/misc/metadata.py
View File

@ -1,4 +1,19 @@
from bs4 import BeautifulSoup
def get_icons(markup, url):
soup = BeautifulSoup(markup, features='html.parser')
icon32 = soup.find_all('link', rel="icon", href=True, sizes="32x32")
icon16 = soup.find_all('link', rel="icon", href=True, sizes="16x16")
favicon = soup.find_all('link', rel="shortcut icon", href=True)
others = soup.find_all('link', rel="icon", href=True)
icons = icon32 + icon16 + favicon + others
base_url = '/'.join(url.split('/')[:3])
icons = list(set([i.get('href') for i in icons]))
icons = [i if i.startswith('http') else base_url + i for i in icons]
return icons
def parse_extruct(s, data):
rdfa_keys = {
'title': [

13
apiserver/misc/news.py
View File

@ -11,7 +11,7 @@ import extruct
import settings
from utils import clean
from misc.metadata import parse_extruct
from misc.metadata import parse_extruct, get_icons
from misc.time import unix
from misc.api import xml
import misc.stuff as stuff
@ -69,16 +69,7 @@ class Base:
s['url'] = urlref
s['date'] = 0
soup = BeautifulSoup(markup, features='html.parser')
icon32 = soup.find_all('link', rel="icon", href=True, sizes="32x32")
icon16 = soup.find_all('link', rel="icon", href=True, sizes="16x16")
favicon = soup.find_all('link', rel="shortcut icon", href=True)
others = soup.find_all('link', rel="icon", href=True)
icons = icon32 + icon16 + favicon + others
base_url = '/'.join(urlref.split('/')[:3])
icons = list(set([i.get('href') for i in icons]))
icons = [i if i.startswith('http') else base_url + i for i in icons]
icons = get_icons(markup, url=urlref)
if icons:
s['icon'] = icons[0]