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mirror of https://github.com/SmallJoker/minetest-u_skinsdb.git synced 2024-11-16 07:00:18 +01:00
minetest-u_skinsdb/update_from_db.py
user fdf52ebd86 fixes
close the response lexically, and replace takes a path which could differ from location/base so we can efficiently make the rename temp name.
2015-09-21 19:16:19 +00:00

103 lines
3.2 KiB
Python
Executable File

#!/usr/bin/python3
from http.client import HTTPConnection,HTTPException
import json
import base64
from contextlib import closing
import sys,os,shutil
def die(message,code=23):
print(message,file=sys.stderr)
raise SystemExit(code)
server = "minetest.fensta.bplaced.net"
skinsdir = "u_skins/textures/"
metadir = "u_skins/meta/"
curskin = 0
pages = None
def replace(location,base,encoding=None,path=None):
if path is None:
path = os.path.join(location,base)
mode = "wt" if encoding else "wb"
# an unpredictable temp name only needed for a+rwxt directories
tmp = os.path.join(location,'.'+base+'-tmp')
def deco(handle):
with open(tmp,mode,encoding=encoding) as out:
handle(out)
os.rename(tmp,path)
return deco
def maybeReplace(location,base,encoding=None):
def deco(handle):
path = os.path.join(location,base)
if os.path.exists(path): return
return replace(location,base,encoding=encoding,path=path)(handle)
return deco
c = HTTPConnection(server)
def addpage(page):
global curskin, pages
print("Page: " + str(page))
r = 0
try:
c.request("GET", "/api/get.json.php?getlist&page=" + str(page) + "&outformat=base64")
r = c.getresponse()
except Exception:
if r != 0:
if r.status != 200:
die("Error", r.status)
return
data = r.read().decode()
l = json.loads(data)
if not l["success"]:
die("Success != True")
r = 0
pages = int(l["pages"])
foundOne = False
for s in l["skins"]:
# make sure to increment this, even if the preview exists!
curskin = curskin + 1
previewbase = "character_" + str(curskin) + "_preview.png"
preview = os.path.join(skinsdir, previewbase)
if os.path.exists(preview):
print('skin',curskin,'already retrieved')
continue
print('updating skin',curskin)
foundOne = True
@maybeReplace(skinsdir, "character_" + str(curskin) + ".png")
def go(f):
f.write(base64.b64decode(bytes(s["img"], 'utf-8')))
f.close()
@maybeReplace(metadir, "character_" + str(curskin) + ".txt",
encoding='utf-8')
def go(f):
f.write(str(s["name"]) + '\n')
f.write(str(s["author"]) + '\n')
f.write(str(s["license"]))
url = "/skins/1/" + str(s["id"]) + ".png"
try:
c.request("GET", url)
with closing(c.getresponse()) as r:
if r.status != 200:
print("Error", r.status)
continue
@replace(skinsdir,previewbase,path=preview)
def go(f):
shutil.copyfileobj(r,f)
except HTTPException as e:
die("Couldn't get {} because of a {} (url={})".format(
s["id"],
e,
url))
if not foundOne:
print("No skins updated on this page. Seems we're done?")
raise SystemExit
addpage(1)
curpage = 1
while pages > curpage:
curpage = curpage + 1
addpage(curpage)
print("Skins have been updated!")