Redirections!

_src/build.py

@@ -105,14 +105,14 @@ def evaluate_this(content: str, global_ns: dict) -> str:
     return re.sub(r'\{([^\s}]+([^}]*[^\s}])?)\}', partial(evaluate, global_ns=global_ns), content)
 
 def evaluate(match: re.Match, global_ns: dict) -> str:
-    match = match.group(1)
+    match = match.group(1).split('\n')
+    print('*','\n  '.join(match))
     # this trick let the functions in apis.py access our environment
     apis.environment = global_ns
     # now let's execute the command!
     # unfortunately we can't use 'return' in expressions
     # instead the last line will be evaluated and returned, the rest – executed
     local_ns = {}
-    match = match.split('\n')
     to_exec = '\n'.join(match[:-1])
     to_eval = match[-1]
     try:
@@ -124,6 +124,12 @@ def evaluate(match: re.Match, global_ns: dict) -> str:
         print(traceback.format_exc(), file=sys.stderr)
         return '\n<a real error occured here>\n'
 
+def redirect(match: re.Match, domains: dict) -> str:
+    this_domain = match.group(1)
+    if this_domain in domains:
+        print('>',f'{this_domain} => {domains[this_domain]}')
+        return domains[this_domain]
+    else: return match.group(0)
 
 if __name__ == '__main__':
     os.chdir(sys.path[0])
@@ -159,6 +165,7 @@ if __name__ == '__main__':
         
         item = Item(path)
         
+        # parse content
         namespace = namespace_from(apis.Content)
         namespace.update(config['variables'])
         namespace['path'] = item.path
@@ -171,7 +178,8 @@ if __name__ == '__main__':
                 with open('templates/'+template) as fp:
                     template_cache[template] = fp.read()
             template_data = template_cache[template]
-        
+            
+            # apply template
             namespace = namespace_from(apis.Content)
             namespace.update(config['variables'])
             namespace['path'] = item.path
@@ -179,7 +187,13 @@ if __name__ == '__main__':
             namespace['content'] = content
             content = evaluate_this(template_data, namespace)
         
-        # TODO: do redirections
+        # do redirections
+        if 'redirections' in config:
+            content = re.sub(r'https?://([-\w]+[-\w.]*)(/\S*)?', partial(
+                redirect,
+                domains=dict(config['redirections'])
+            ), content)
+        
         # TODO: produce HTML version
         
         # save results