github.com/noironetworks/cilium-net@v1.6.12/contrib/packaging/deb/changelog_parser.py (about) 1 #!/usr/bin/env python 2 3 import sys 4 from docutils.core import publish_doctree 5 from datetime import datetime 6 7 8 class ParseSection(object): 9 10 @property 11 def date(self): 12 return datetime.strptime(self._meta.get("date"), "%Y-%m-%d") 13 14 @property 15 def unixtime(self): 16 return int(self.date.strftime("%s")) 17 18 def __init__(self, section): 19 self._section = section 20 self._meta = {} 21 self._invalid = False 22 23 def parse(self): 24 if self._section.tagname != "section": 25 return False 26 27 children = self._section.children 28 29 self._parse_title(children[0]) 30 self._parse_metadata(children[1]) 31 self._parse_changelog(children[2:]) 32 return self 33 34 def _parse_title(self, title): 35 try: 36 self._meta["version"] = float( 37 title.astext().lower().strip("version")) 38 except: 39 self._invalid = True 40 41 def _parse_metadata(self, metadata): 42 for x in metadata: 43 self._meta[x.children[0].astext()] = x.children[1].astext() 44 45 def _parse_changelog(self, body): 46 self._changelog = "" 47 for section in body: 48 data = [x for x in section.astext().split("\n") if len(x) > 0] 49 self._changelog += "\n ".join(data) 50 51 def export(self): 52 if self._invalid: 53 return False 54 return """cilium ({1}) zesty; urgency=medium 55 * Changes: 56 commit: {4} 57 {0._changelog} 58 59 -- Cilium Team <info@cilium.io> {3} 60 """.format( 61 self, 62 self._meta.get("version"), 63 self._meta.get("author"), 64 self.date.strftime("%a, %d %b %Y %H:%M:%S +0000"), 65 self._meta.get("commit")) 66 67 68 def main(): 69 data = "" 70 with open(sys.argv[1], 'r') as f: 71 data = f.readlines() 72 73 doctree = publish_doctree("".join(data)) 74 75 result = [] 76 for x in doctree: 77 p = ParseSection(x) 78 if p.parse(): 79 result.append(p) 80 81 for section in sorted(result, key=lambda x: x.unixtime, reverse=True): 82 log = section.export() 83 if log: 84 print log 85 86 87 if __name__ == "__main__": 88 main()