Make the calibre changelog available as a resource

.gitignore

@@ -17,6 +17,7 @@ docs
 resources/localization
 resources/hyphenation
 resources/scripts.calibre_msgpack
+resources/changelog.json
 resources/ebook-convert-complete.calibre_msgpack
 resources/builtin_recipes.xml
 resources/builtin_recipes.zip

setup/changelog.py

@@ -5,7 +5,7 @@
 from datetime import date
 
 
-def parse(raw):
+def parse(raw, parse_dates=True):
     entries = []
     current_entry = None
     current_section = 'new features'
@@ -21,7 +21,10 @@ def parse(raw):
             if current_entry is not None:
                 raise ValueError(f'Start of entry while previous entry is still active at line: {linenum}')
             version, draw = parts
-            d = date(*map(int, draw.split('-')))
+            if parse_dates:
+                d = date(*map(int, draw.split('-')))
+            else:
+                d = draw
             current_entry = {'version': version, 'date': d, 'new features': [], 'bug fixes': [], 'improved recipes': [], 'new recipes': []}
             current_section = 'new features'
             return in_entry

setup/resources.py

@@ -310,6 +310,14 @@ class Resources(Command):  # {{{
             d[lc] = stats['translated'] / float(total)
         dump_json(d, self.j(self.RESOURCES, 'user-manual-translation-stats.json'))
 
+        src = self.j(self.SRC, '..', 'Changelog.txt')
+        dest = self.j(self.RESOURCES, 'changelog.json')
+        if self.newer(dest, [src]):
+            self.info('\tCreating changelog.calibre_msgpack')
+            from setup.changelog import parse
+            with open(src) as f:
+                dump_json(parse(f.read(), parse_dates=False), dest)
+
     def clean(self):
         for x in ('scripts', 'ebook-convert-complete'):
             x = self.j(self.RESOURCES, x+'.pickle')