From 020ee0a6c774085fd68d152169b01b6975716787 Mon Sep 17 00:00:00 2001
From: Adubbz <a.dubbz@hotmail.com>
Date: Sun, 22 Sep 2013 18:24:28 +1000
Subject: [PATCH] Borrowed Forge's change log script

---
 changelog.py | 113 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100755 changelog.py

diff --git a/changelog.py b/changelog.py
new file mode 100755
index 000000000..532fc72ac
--- /dev/null
+++ b/changelog.py
@@ -0,0 +1,113 @@
+import os, os.path, sys, re
+import json, urllib2
+from pprint import pprint
+from urlparse import urlparse
+import base64
+import optparse, ast
+
+class PreemptiveBasicAuthHandler(urllib2.BaseHandler):
+	def __init__(self, password_mgr=None):
+		if password_mgr is None:
+			password_mgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
+		self.passwd = password_mgr
+		self.add_password = self.passwd.add_password
+
+	def http_request(self,req):
+		uri = req.get_full_url()
+		user, pw = self.passwd.find_user_password(None,uri)
+		if pw is None: return req
+		raw = "%s:%s" % (user, pw)
+		auth = 'Basic %s' % base64.b64encode(raw).strip()
+		req.add_unredirected_header('Authorization', auth)
+		return req
+
+	def https_request(self,req):
+		return self.http_request(req)
+
+def read_url(url):
+	handler = PreemptiveBasicAuthHandler()
+	handler.add_password(None, 'ci.jenkins.minecraftforge.net', 'console_script', 'dc6d48ca20a474beeac280a9a16a926e')
+	file = urllib2.build_opener(handler).open(url)
+	data = file.read()
+	file.close()
+	return data
+
+def getBuildInfo(url, current_version=None):
+	data = read_url(url)
+	data = ast.literal_eval(data)['allBuilds']
+	data = sorted(data, key=lambda key: key['number'], reverse=False)
+	
+	items = []
+	output = []
+	
+	for build in data:
+		build['actions'] = filter(lambda act: act is not None, build['actions'])
+		build['actions'] = filter(lambda act: 'text' in act, build['actions'])
+		build['actions'] = filter(lambda act: not ' ' in act['text'], build['actions'])
+		if len(build['actions']) == 0:
+			build['version'] = current_version
+			current_version = None
+		else:
+			build['version'] = build['actions'][0]['text']
+		build['items'] = build['changeSet']['items']
+		for item in build['items']:
+			item['author'] = item['author']['fullName']
+		if build['result'] != 'SUCCESS':
+			items += build['items']
+		else:
+			build['items'] = items + build['items']
+			items = []
+			output += [build]
+		build.pop('changeSet')
+		build.pop('actions')
+	return sorted(output, key=lambda key: key['number'], reverse=True)
+    
+def add_latest_build(url, builds, current_version=None):
+    data = read_url(url)
+    data = ast.literal_eval(data)
+    number = data['number']
+    
+    if builds[0]['number'] == data['number']:
+        return builds
+    
+    for item in data['changeSet']['items']:
+        item['author'] = item['author']['fullName']
+    
+    build = {
+        'number' : data['number'],
+        'result' : 'SUCCESS', #Currently build should always be success... Else things derp after words
+        'version' : current_version,
+        'items' : data['changeSet']['items']
+    }
+    return [build] + builds    
+	
+def make_changelog(job_path, target_build, change_file, current_version=None):
+	builds = getBuildInfo('%s/api/python?tree=allBuilds[result,number,actions[text],changeSet[items[author[fullName],comment]]]&pretty=true' % job_path, current_version)
+	builds = add_latest_build('%s/lastBuild/api/python?pretty=true&tree=number,changeSet[items[author[fullName],comment]]' % job_path, builds, current_version)
+	
+	log = [ "Changelog:" ]
+	
+	for build in builds:
+		if int(build['number']) > target_build: continue
+		if len(build['items']) == 0: continue
+		log.append('')
+		if build['version'] is None:
+			log.append('Build %s' % build['number'])
+		else:
+			log.append('Build %s' % build['version'])
+		for change in build['items']:
+			comments = filter(lambda cmt: len(cmt) > 0, change['comment'].split('\n'))
+			if len(comments) > 1:
+				log.append('\t' + change['author'])
+				for comment in comments:
+					log.append('\t\t' + comment)
+			elif len(comments) == 1:
+				log.append('\t%s: %s' % (change['author'], comments[0]))
+				
+	file = open(change_file, 'wb')
+	for line in log:
+		file.write('%s\n' % line)
+	file.close()
+	
+if __name__ == '__main__':
+	make_changelog("http://ci.jenkins.minecraftforge.net/job/BiomesOPlenty/", 70000, 'changelog.txt', 'pinecone')
\ No newline at end of file