Add a changelog parser class

Author: kyb3r

CHANGELOG.md

@@ -73,3 +73,5 @@ This release introduces the use of our centralized [API service](https://github.
 - Dynamic command aliases and snippets (#86)
 - Optional support for using a seperate guild as the operations center (#81)
 - NSFW Command to change channels to NSFW (#77)
+
+# v0.0.0

core/changelog.py

@@ -0,0 +1,40 @@
+from collections import defaultdict
+import re 
+
+class Version:
+    def __init__(self, version, lines):
+        self.version = version
+        self.lines = [x for x in lines.splitlines() if x]
+        self.fields = defaultdict(str)
+        self.description = ''
+        self.parse()
+    
+    def __repr__(self):
+        return f'Version({self.version}, description="{self.description}")'
+    
+    def parse(self):
+        curr_action = None 
+        for line in self.lines:
+            if line.startswith('### '):
+                curr_action = line.split('### ')[1]
+            elif curr_action is None:
+                self.description += line + '\n'
+            else:
+                self.fields[curr_action] += line + '\n'
+        
+class ChangeLogParser:
+    regex = re.compile(r'# (v\d\.\d\.\d)([\S\s]*?(?=# v))')
+
+    def __init__(self, text):
+        self.text = text 
+        self.versions = [Version(*m) for m in self.regex.findall(text)]
+
+    @property
+    def latest_version(self):
+        return self.versions[0]
+    
+
+if __name__ == '__main__':
+    with open('../CHANGELOG.md') as f:
+        changelog = ChangeLogParser(f.read())
+        print(changelog.latest_version)