Add initial implementation

This commit is contained in:
Thomas Wade 2020-04-21 02:50:26 +09:30
commit 0b21cae8b9
6 changed files with 282 additions and 0 deletions

3
.gitignore vendored Normal file
View File

@ -0,0 +1,3 @@
venv/
__pycache__/
.idea/

18
Comment.py Normal file
View File

@ -0,0 +1,18 @@
import datetime
from typing import List
import User
import Submission
class Comment:
"""
A comment on a FurAffinity submission.
"""
def __init__(self):
self.author: User.User = None
self.timestamp: datetime = None
self.submission: Submission.Submission = None
self.parent: Comment = None
self.replies: List[Comment] = None

63
FAAPI.py Normal file
View File

@ -0,0 +1,63 @@
import requests
from bs4 import BeautifulSoup
from selenium import webdriver
from User import User
FA_BASE_URL = 'https://furaffinity.net'
class FAAPI:
"""
A basic FurAffinity API instance.
"""
def __init__(self, use_webdriver: bool = True):
"""
Initialises a new FAAPI instance.
Beware that a Chrome instance is launched to bypass Cloudflare and log in during initialisation. Change use_webdriver to False to disable this.
"""
if not use_webdriver:
# Can't do any actual API things, stop here
return
# Try sign in to FA
self._driver = webdriver.Chrome()
self._driver.get(FA_BASE_URL + '/login')
# Wait until our username is visible on the top banner
while not self._driver.find_elements_by_id('my-username'):
pass
# Extract the cookies and stop the driver
self._cookies = self._driver.get_cookies()
self._driver.close()
# Set up a Requests session with the cookies we just got
self._req = requests.session()
[self._req.cookies.set(cookie['name'], cookie['value']) for cookie in self._cookies]
def get_user(self, username: str) -> User:
soup = self.get_soup('{}/user/{}/'.format(FA_BASE_URL, username))
try:
# Try extract the username, stripping the ~/∞/! in front
username = soup.select('div.username h2')[0].text.strip()[1:]
except IndexError:
# No username, give up
return None
return User.new_or_cached(self, username)
def get_soup(self, url: str) -> BeautifulSoup:
"""
Gets a webpage and wraps it in a BeautifulSoup instance.
:param url: Webpage URL
:return: Webpage wrapped in a BeautifulSoup instance
"""
res = self._req.get(url)
if res.status_code >= 400:
raise Exception(
'Got status code {} when trying to get URL {}'.format(res.status_code, url))
return BeautifulSoup(res.content)

37
Submission.py Normal file
View File

@ -0,0 +1,37 @@
import datetime
from typing import List
import FAAPI
import Comment
import User
class Submission:
"""
A FurAffinity submission.
"""
def __init__(self, id: int):
self.id: int = id
self.title: str = None
self.author: User.User = None
self.description: str = None
self.tags: List[str] = None
self.timestamp: datetime = None
self.category: str = None
self.theme: str = None
self.species: str = None
self.gender: str = None
self.faves: int = None
self.comments: List[Comment.Comment] = None
self.views: int = None
@property
def url(self):
if self.id and self.id > 0:
return '{}/view/{}'.format(FAAPI.FA_BASE_URL, self.id)
else:
return None
def __str__(self):
return '{} - {} ({}/view/{})'.format(self.author, self.title, FAAPI.FA_BASE_URL, self.id)

157
User.py Normal file
View File

@ -0,0 +1,157 @@
from typing import List, Dict
import FAAPI
import Submission
class User:
"""
A FurAffinity user.
"""
_usercache = {}
def __init__(self, api, username: str):
self._api = api
self.username: str = username
self._gallery: List[Submission.Submission] = None
self._faves: List[Submission.Submission] = None
self._watching: List[User] = None
self._watchers: List[User] = None
@property
def username_lower(self) -> str:
return self.username.lower()
@property
def gallery(self) -> List[Submission.Submission]:
# Get the gallery if we don't have it already
if not self._gallery:
self._gallery = self._get_gallery()
return self._gallery
@property
def faves(self) -> List[Submission.Submission]:
# Get faves if we don't have them already
if not self._faves:
self._faves = self._get_faves()
return self._faves
@property
def watching(self): # -> List[User]:
# Get the list if we don't have it already
if not self._watching:
self._watching = self._get_watching()
return self._watching
@property
def watchers(self): # -> List[User]:
# Get the list if we don't have it already
if not self._watchers:
self._watchers = self._get_watchers()
return self._watchers
@staticmethod
def new_or_cached(api, username: str): # -> User:
if username in User._usercache:
return User._usercache[username]
return User(api, username)
def _get_gallery(self) -> List[Submission.Submission]:
submissions = []
next_page_url = '{}/gallery/{}/'.format(FAAPI.FA_BASE_URL, self.username)
while next_page_url:
soup = self._api.get_soup(next_page_url)
# Try get the next page
try:
next_page_button = soup.select('.submission-list form button[type=submit]')[0]
next_page_url = FAAPI.FA_BASE_URL + next_page_button.parent().get('action')
except:
# No next page, null the url to break the loop
next_page_url = None
# Get all the submissions on this page
for item in soup.select('.gallery figure'):
sub = Submission.Submission(item.get('id')[4:]) # IDs look like 'sid-35908275', so we just skip the 'sid-'
sub.author = self
submissions.append(sub)
return submissions
def _get_faves(self):
submissions = []
next_page_url = '{}/favorites/{}/'.format(FAAPI.FA_BASE_URL, self.username)
while next_page_url:
soup = self._api.get_soup(next_page_url)
# Try get the next page
try:
next_page_button = soup.select('.pagination a.button:last-child')[0]
next_page_url = FAAPI.FA_BASE_URL + next_page_button.get('href')
except:
# No next page, null the url to break the loop
next_page_url = None
# Get all the submissions on this page
for item in soup.select('.gallery figure'):
sub = Submission.Submission(item.get('id')[4:]) # IDs look like 'sid-35908275', so we just skip the 'sid-'
submissions.append(sub)
return submissions
def _get_watching(self):
watching = []
next_page_url = '{}/watchlist/by/{}/'.format(FAAPI.FA_BASE_URL, self.username)
while True:
soup = self._api.get_soup(next_page_url)
# Stop processing if there aren't any users left
users = soup.select('.watch-list .watch-list-items a')
if len(users) == 0:
break
for item in users:
watching.append(User.new_or_cached(self._api, item.text.strip()))
# Try get the next page
try:
next_page_button = soup.select('.floatright form button[type=submit]')[0]
next_page_url = FAAPI.FA_BASE_URL + next_page_button.parent().get('href')
except:
# No next page, break out
break
return watching
def _get_watchers(self):
watchers = []
next_page_url = '{}/watchlist/to/{}/'.format(FAAPI.FA_BASE_URL, self.username)
while True:
soup = self._api.get_soup(next_page_url)
# Stop processing if there aren't any users left
users = soup.select('.watch-list .watch-list-items a')
if len(users) == 0:
break
for item in users:
watchers.append(User.new_or_cached(self._api, item.text.strip()))
# Try get the next page
try:
next_page_button = soup.select('.floatright form button[type=submit]')[0]
next_page_url = FAAPI.FA_BASE_URL + next_page_button.parent().get('href')
except:
# No next page, break out
break
return watchers
def __str__(self):
return self.username

4
requirements.txt Normal file
View File

@ -0,0 +1,4 @@
requests~=2.23.0
bs4~=0.0.1
beautifulsoup4~=4.9.0
selenium~=3.141.0