Fix #2531 — pass post and lang to compilers

CHANGES.txt

@@ -1,3 +1,14 @@
+New in master
+=============
+
+Bugfixes
+--------
+
+Features
+--------
+
+* Pass ``post`` object and ``lang`` to post compilers (Issue #2531)
+
 New in v7.8.1
 =============
 

nikola/plugin_categories.py

@@ -275,8 +275,16 @@ def register_extra_dependencies(self, post):
         """Add dependency to post object to check .dep file."""
         post.add_dependency(lambda: self._read_extra_deps(post), 'fragment')
 
+    def compile(self, source, dest, is_two_file=False, post=None, lang=None):
+        """Compile the source file and save it to dest."""
+        # For backwards compatibility, call `compile_html`
+        # If you are implementing a compiler, please implement `compile` and
+        # ignore `compile_html`
+        self.compile_html(source, dest, is_two_file)
+
+    # TODO remove in v8
     def compile_html(self, source, dest, is_two_file=False):
-        """Compile the source, save it on dest."""
+        """Compile the source, save it on dest. (DEPRECATED)"""
         raise NotImplementedError()
 
     def create_post(self, path, content=None, onefile=False, is_page=False, **kw):

nikola/post.py

@@ -97,7 +97,9 @@ def __init__(
         """
         self.config = config
         self.compiler = compiler
-        self.compile_html = self.compiler.compile_html
+        self.compile = self.compiler.compile
+        # TODO remove in v8
+        self.compile_html = self.compile
         self.demote_headers = self.compiler.demote_headers and self.config['DEMOTE_HEADERS']
         tzinfo = self.config['__tzinfo__']
         if self.config['FUTURE_IS_NOW']:
@@ -516,7 +518,7 @@ def wrap_encrypt(path, password):
             return
         # Set the language to the right thing
         LocaleBorg().set_locale(lang)
-        self.compile_html(
+        self.compile(
             self.translated_source_path(lang),
             dest,
             self.is_two_file)