129e5bfd57
Moving the constant to two files caused the time drift I warned myself about but forgot. I shaved the seconds off of the constant as well since if it takes an hour between downloading the image and updating the feed and website, something out of my control is going on
92 lines
3.1 KiB
Python
92 lines
3.1 KiB
Python
from random import randint
|
|
import datetime
|
|
|
|
# this will change between calls due to microseconds
|
|
# better for it just to be a global
|
|
DATETIME_STR = str(datetime.datetime.today()).replace(' ', "-")
|
|
# we don't need those pesky microseconds any way
|
|
DATETIME_STR = DATETIME_STR[:-10]
|
|
|
|
# refrence: https://cyber.harvard.edu/rss/rss.html#ltguidgtSubelementOfLtitemgt
|
|
|
|
# also updates pubDate and lastBuildDate
|
|
# finally, updates the image name as well
|
|
|
|
def update_rss_feed(rss_file_name):
|
|
rss_file = ""
|
|
|
|
with open(rss_file_name, "r") as f:
|
|
rss_file = f.read()
|
|
element_list = rss_file.split('\n')
|
|
|
|
items = []
|
|
for el in element_list:
|
|
if "link" in el:
|
|
items.append(el)
|
|
if "guid" in el:
|
|
items.append(el)
|
|
if "enclosure" in el:
|
|
items.append(el)
|
|
if "<lastBuildDate>" in el:
|
|
items.append(el)
|
|
if "<pubDate>" in el:
|
|
items.append(el)
|
|
|
|
guid_items = []
|
|
for el in items:
|
|
if "https://onecatper.day#" in el:
|
|
guid_items.append(el)
|
|
|
|
hash_located_at = []
|
|
for el in guid_items:
|
|
hash_located_at.append(el.index('#'))
|
|
|
|
CLOSING_TAG_LENGTH = 7
|
|
as_char_list = list(items[2])
|
|
for i in range(hash_located_at[0] + 1, len(as_char_list) - CLOSING_TAG_LENGTH):
|
|
as_char_list[i] = str(randint(0, 9))
|
|
new_guid_link_one = "".join(as_char_list)
|
|
|
|
as_char_list = list(items[4])
|
|
for i in range(hash_located_at[1] + 1, len(as_char_list) - CLOSING_TAG_LENGTH):
|
|
as_char_list[i] = str(randint(0, 9))
|
|
new_guid_link_two = "".join(as_char_list)
|
|
|
|
split_file = rss_file.split("\n")
|
|
old_guid_links = []
|
|
|
|
for element in split_file:
|
|
if "https://onecatper.day#" in element:
|
|
old_guid_links.append(element)
|
|
|
|
# preppring strings for replacement of the old strings
|
|
|
|
# cat image stored in img/
|
|
old_img_link = items[-1].split(" ")
|
|
old_cat_image = old_img_link[-1].split("\"")
|
|
old_cat_image_url = old_cat_image[1]
|
|
new_cat_image_url = f"https://onecatper.day/img/cat{DATETIME_STR}.jpg"
|
|
|
|
# storess dates and times in the rss.xml file, needs to be updated for feed to update
|
|
old_last_build_date = items[1]
|
|
old_pub_date = items[3]
|
|
# date and time need to be a specific format
|
|
# don't want to use constant for this, it needs to be formated
|
|
rss_date = datetime.datetime.strftime(datetime.datetime.now(), "%a, %d %b %Y %H:%M:%S -0500")
|
|
# create new date/time links for feed
|
|
new_last_build_date = f"\t\t<lastBuildDate>{rss_date}</lastBuildDate>"
|
|
new_pub_date = f"\t\t\t<pubDate>{rss_date}</pubDate>"
|
|
|
|
# replace what is necessary to make the feed update
|
|
rss_file = rss_file.replace(old_guid_links[0], new_guid_link_one)
|
|
rss_file = rss_file.replace(old_guid_links[1], new_guid_link_two)
|
|
rss_file = rss_file.replace(old_cat_image_url, new_cat_image_url)
|
|
rss_file = rss_file.replace(old_last_build_date, new_last_build_date)
|
|
rss_file = rss_file.replace(old_pub_date, new_pub_date)
|
|
|
|
# write the changes to disk
|
|
with open(rss_file_name, "w") as f:
|
|
f.write(rss_file)
|
|
|
|
update_rss_feed("rss.xml")
|