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#!/usr/bin/python3
import feedparser
import re
import datetime
import requests
from bs4 import BeautifulSoup
def left(s, amount):
return s[:amount]
def right(s, amount):
return s[-amount:]
def mid(s, offset, amount):
return s[offset:offset+amount]
def getDate(s):
# Because we know the format of the string, this is safe to do
# (e.g. swift-4.2-DEVELOPMENT-SNAPSHOT-2018-07-17-a)
return datetime.datetime.strptime(mid(s.strip(), 31, len(s.strip())-31-2), '%Y-%m-%d').date()
def getGitTag(post):
f = requests.get(post.link)
soup = BeautifulSoup(f.content, 'html.parser')
elems = soup.code
return [elem.string for elem in elems][0]
def getSpecFileContents():
with open('swift-lang.spec', 'r') as f:
return f.read()
def changeData(f, textToFind, textToReplace):
p = re.compile(textToFind)
s = p.search(f)
t = s.group() # This is the line from the file we want to replace
# And replace it
return f.replace(t, textToReplace)
def changePackageNumber(f):
p = re.compile('Release: .*')
s = p.search(f)
t = s.group()
# Now we need to get the package number
p2 = re.compile('[0-9].[0-9].')
s2 = p2.search(t)
t2 = s2.group()
# Now we have our number, so we want to increment that
newPN = int(t2.split('.')[1]) + 1
# And we need to return the fixed line, as well as the new package number so we can use it for
# the changelog
return f.replace(t, 'Release: 0.' + str(newPN) + '.%{swiftgitdate}git%{swiftgithash}%{?dist}'), newPN
def process(post, postDate):
print("Going to work with " + post.title + " from " + post.link)
gitHash = getGitTag(post)
print("The git hash is " + gitHash)
# We need the spec file contents
spec = getSpecFileContents()
#
# Now let's fiddle with the file
#
# First change the file date
newTitle = post.title
newTitle = newTitle.replace('swift-', '')
spec = changeData(spec, 'swifttag .*', 'swifttag ' + newTitle)
# Now the tag
spec = changeData(spec, 'swiftgithash .*', 'swiftgithash ' + gitHash)
# Now the date
#newDate = str(postDate.year) + str(postDate.month) + str(postDate.day)
newDate = postDate.strftime('%Y%m%d')
spec = changeData(spec, 'swiftgitdate .*', 'swiftgitdate ' + newDate)
# We have to handle the package number specially as we need to
# increment it and return it so we have it for the changelog
spec, pn = changePackageNumber(spec)
# Now we need to write out the changelog
cl = '%changelog\n* ' + datetime.datetime.now().strftime('%a %b %d %Y') + ' Ron Olson <tachoknight@gmail.com> 5.1-0.' + str(pn) + '.' + newDate + 'git' + gitHash + '\n' + '- ' + 'Updated to ' + post.title
spec = spec.replace('%changelog', cl)
nf = open('swift-lang.spec', 'w')
nf.write(spec)
nf.close()
# And write out our last-release file
nlrf = open('last-release.txt', 'w')
nlrf.write(post.title)
nlrf.close()
lastBuild=''
with open('last-release.txt', 'r') as lastbuildfile:
lastBuild=lastbuildfile.read().replace('\n', '')
print('Last build was ', lastBuild)
lastDate = getDate(lastBuild)
d = feedparser.parse("https://github.com/apple/swift/releases.atom")
# We're gonna start from the top as that's the latest one
print("Ok, Gonna go through them...")
for post in d.entries:
print(post.title)
if left(post.title, 9) == 'swift-5.1':
postDate = getDate(post.title)
# Okay, is this date newer than the last time we
# processed anything?
if postDate > lastDate:
print("yep, got to do it!")
process(post, postDate)
break
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