Added ability for templates to have individual data files

data/pubs.yaml

-- title: "Hello World"
-  date: "19th June 1995"
-  img: "helloworld.png"
+cards:
+  - title: "Hello World"
+    date: "19th June 1995"
+    img: "helloworld.png"
 
-- title: "Hello Dogs"
-  date: "18th June 1994"
-  img: "hellodogs.png"
\ No newline at end of file
+  - title: "Hello Dogs"
+    date: "18th June 1994"
+    img: "hellodogs.png"
\ No newline at end of file

templates/compiler.py

@@ -10,17 +10,42 @@ import jinja2
 import yaml
 
 
-def get_from_filesystem(template_names, template_dir="."):
-    """ Takes a list of template names and returns a list of template objects
-    that are ready for rendering. """
+def get_from_filesystem(template_names, template_dir=".", data_dir="../data"):
+    """ Takes a list of template names and returns a zipped list of template
+    objects and associated data values that are ready for rendering wih the
+    render_template function. """
 
     template_loader = jinja2.FileSystemLoader(searchpath=template_dir)
     template_env = jinja2.Environment(loader=template_loader)
 
-    return list(map(template_env.get_template, template_names))
+    templates = list(map(template_env.get_template, template_names))
+    data = get_associated_data(template_names, data_dir)
 
+    return zip(templates, data)
 
-def render_template(template, data_dir="../data", args={}):
+
+def get_associated_data(template_names, data_dir="../data"):
+    """ Grabs the data from yaml files within the data directory if they exist,
+        and if not returns an empty dictionary for that item. """
+
+    data = []
+
+    for template in template_names:
+        # swap that .html for a .yaml
+        stub = template.split(".")[0]
+        filename = f"{data_dir}/{stub}.yaml"
+
+        try:
+            with open(filename, "r") as f:
+                data.append(yaml.load(f))
+
+        except FileNotFoundError:
+            data.append({})
+
+    return data
+
+
+def render_template(template, args, data_dir="../data"):
     """ Args is a dictionary of the local variables required for
         rendering the template. """
 
@@ -68,8 +93,8 @@ def global_variables(active, data_dir="../data"):
 def render(render_pages, data_dir, template_dir, output_dir):
     """ Main rendering function for all of the pages. """
 
-    templates = get_from_filesystem(render_pages, template_dir)
-    output = [render_template(page, data_dir) for page in templates]
+    data = get_from_filesystem(render_pages, template_dir)
+    output = [render_template(page, args, data_dir) for page, args in data]
 
     # Save the files into the output_dir
     if not os.path.exists(output_dir):