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Changed whitespace and added additional debug and wait information in konachan backend

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Anon 2024-01-08 17:13:50 -08:00
parent 76b008a499
commit 02f454d32d
1 changed files with 122 additions and 120 deletions
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242
src/konachan_backend.py
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@ -26,161 +26,163 @@ import re
import time import time
def random_tag(*tags): def random_tag(*tags):
return len(tags) == 1 and tags[0].lower() == "random" return len(tags) == 1 and tags[0].lower() == "random"
def collect_tags(post): def collect_tags(post):
return post["tags"].strip().lower().split() return post["tags"].strip().lower().split()
def is_banned(post, profile): def is_banned(post, profile):
tag_response = collect_tags(post) tag_response = collect_tags(post)
tag_banned = profile["banned_tags"] tag_banned = profile["banned_tags"]
for tag in tag_banned: for tag in tag_banned:
if tag in tag_response: if tag in tag_response:
return tag return tag
return None return None
def get_nsfw(post): def get_nsfw(post):
return post["rating"] in ("q", "e") return post["rating"] in ("q", "e")
def select_from_response(response, profile, max_size=None): def select_from_response(response, profile, max_size=None):
for post in response: for post in response:
if is_banned(post, profile): if is_banned(post, profile):
continue continue
elif "file_url" not in post: elif "file_url" not in post:
continue continue
# Select only nsfw # Select only nsfw
elif ( profile["force_nsfw"] is not None and elif ( profile["force_nsfw"] is not None and
profile["force_nsfw"] != get_nsfw(post) profile["force_nsfw"] != get_nsfw(post)
): ):
continue continue
# Make sure serverside size is not larger than max_size # Make sure serverside size is not larger than max_size
elif ( max_size != None and elif ( max_size != None and
"file_size" in post and "file_size" in post and
post["file_size"] > max_size post["file_size"] > max_size
): ):
continue continue
return post return post
return None return None
class downloader: class downloader:
def __init__(self, backend_credentials): def __init__(self, backend_credentials):
self.api_endpoint = "{}/post/index.json?limit={}&page={}" self.api_endpoint = "{}/post/index.json?limit={}&page={}"
self.html_endpoint = "{}/post/index?limit={}&page={}" self.html_endpoint = "{}/post/index?limit={}&page={}"
self.tag_url = "&tags={}" self.tag_url = "&tags={}"
self.limit = 100 self.limit = 100
self.retry_limit = 3 self.retry_limit = 3
self.username = backend_credentials["username"] self.username = backend_credentials["username"]
self.password = backend_credentials["password"] self.password = backend_credentials["password"]
self.depth = backend_credentials["max_size"] self.depth = backend_credentials["max_size"]
self.tmp = backend_credentials["tmp_dir"] self.tmp = backend_credentials["tmp_dir"]
self.url = backend_credentials["url"] self.url = backend_credentials["url"]
self.max_depth = backend_credentials["max_depth"] self.max_depth = backend_credentials["max_depth"]
random.seed(os.urandom(16)) random.seed(os.urandom(16))
def download_post(self, post): def download_post(self, post):
file_url = post["file_url"] file_url = post["file_url"]
full_path = post["full_path"] full_path = post["full_path"]
remote_image = requests.get(file_url) remote_image = requests.get(file_url)
if remote_image.status_code != 200: if remote_image.status_code != 200:
print("Remote image request returned:", remote_image.status_code) print("Remote image request returned:", remote_image.status_code)
return None return None
with open(full_path, "wb") as f: with open(full_path, "wb") as f:
f.write(remote_image.content) f.write(remote_image.content)
return post return post
def search(self, search_url): def search(self, search_url):
search_request = None search_request = None
if self.username and self.password: if self.username and self.password:
search_request = requests.get(search_url, search_request = requests.get(search_url,
auth=(self.username, self.password) auth=(self.username, self.password)
) )
else: else:
search_request = requests.get(search_url) search_request = requests.get(search_url)
return search_request return search_request
# I suck at regex :( # I suck at regex :(
def get_max_page(self, html): def get_max_page(self, html):
match = re.findall('page=[0-9]*', html) match = re.findall('page=[0-9]*', html)
if match: if match:
last_group = match[len(match) - 1] last_group = match[len(match) - 1]
last_page = last_group.rsplit("=", 1)[1] last_page = last_group.rsplit("=", 1)[1]
return int(last_page) return int(last_page)
else: else:
return None return None
def fetch_post(self, profile): def fetch_post(self, profile):
tags = profile["tags"] tags = profile["tags"]
selected = dict() selected = dict()
max_depth = self.max_depth max_depth = self.max_depth
search_url_tags = "+".join(tags) search_url_tags = "+".join(tags)
search_url = "" search_url = ""
for _ in range(0, self.retry_limit): for _ in range(0, self.retry_limit):
page_offset = random.randint(0, max_depth) page_offset = random.randint(0, max_depth)
search_url = self.api_endpoint.format(self.url, self.limit, page_offset) search_url = self.api_endpoint.format(self.url, self.limit, page_offset)
search_url_html = self.html_endpoint.format(self.url, self.limit, page_offset) search_url_html = self.html_endpoint.format(self.url, self.limit, page_offset)
if search_url_tags: if search_url_tags:
search_url += self.tag_url.format(search_url_tags) search_url += self.tag_url.format(search_url_tags)
search_url_html += self.tag_url.format(search_url_tags) search_url_html += self.tag_url.format(search_url_tags)
search_request = self.search(search_url) search_request = self.search(search_url)
if search_request.status_code != 200: if search_request.status_code != 200:
print("Search {} request returned: {}".format(search_url, search_request.status_code)) print("Search {} request returned: {}".format(search_url, search_request.status_code))
continue continue
posts = search_request.json() posts = search_request.json()
random.shuffle(posts) random.shuffle(posts)
selected = select_from_response(posts, profile) selected = select_from_response(posts, profile)
if selected is None: if selected is None:
print("Could not select image based on criteria", search_url) print("Could not select image based on criteria", search_url)
time.sleep(2) time.sleep(2)
search_request = self.search(search_url_html) search_request = self.search(search_url_html)
if search_request.status_code == 200: if search_request.status_code == 200:
new_max_depth = self.get_max_page(search_request.text) new_max_depth = self.get_max_page(search_request.text)
if new_max_depth < max_depth: if new_max_depth < max_depth:
max_depth = new_max_depth max_depth = new_max_depth
else: else:
max_depth = max_depth // 2 max_depth = max_depth // 2
else: else:
max_depth = max_depth // 2 max_depth = max_depth // 2
continue time.sleep(2)
continue
break break
if not selected: if not selected:
return None print("Error searching:", search_url_tags)
return None
tag_response = collect_tags(selected) tag_response = collect_tags(selected)
nsfw = get_nsfw(selected) nsfw = get_nsfw(selected)
file_url = selected["file_url"] file_url = selected["file_url"]
basename = "{}.{}".format(selected["md5"], file_url.rsplit(".", 1)[1]) basename = "{}.{}".format(selected["md5"], file_url.rsplit(".", 1)[1])
full_path = os.path.join(self.tmp, basename) full_path = os.path.join(self.tmp, basename)
r = { r = {
# Add profile to dictioanry # Add profile to dictioanry
"profile": profile, "profile": profile,
# Query results # Query results
"search_url": search_url, "search_url": search_url,
"file_url": file_url, "file_url": file_url,
"full_path": full_path, "full_path": full_path,
"tag_response": tag_response, "tag_response": tag_response,
"nsfw": nsfw "nsfw": nsfw
} }
return r return r