docs: include themes' templates to reference documentation

docs/reference/themes/classic.md

@@ -1,3 +1,10 @@
 # Classic Theme
 
-::: rendercv.themes.classic
+{% for template_name, template in theme_templates["classic"].items() %}
+## {{ template_name }}
+
+```latex
+{{ template }}
+```
+
+{% endfor %}

docs/reference/themes/engineeringresumes.md

@@ -1,3 +1,10 @@
 # Engineeringresumes Theme
 
-::: rendercv.themes.engineeringresumes
+{% for template_name, template in theme_templates["engineeringresumes"].items() %}
+## {{ template_name }}
+
+```latex
+{{ template }}
+```
+
+{% endfor %}

docs/reference/themes/moderncv.md

@@ -1,3 +1,10 @@
 # Moderncv Theme
 
-::: rendercv.themes.moderncv
+{% for template_name, template in theme_templates["moderncv"].items() %}
+## {{ template_name }}
+
+```latex
+{{ template }}
+```
+
+{% endfor %}

docs/reference/themes/sb2nov.md

@@ -1,3 +1,10 @@
 # Sb2nov Theme
 
-::: rendercv.themes.sb2nov
+{% for template_name, template in theme_templates["sb2nov"].items() %}
+## {{ template_name }}
+
+```latex
+{{ template }}
+```
+
+{% endfor %}

docs/update_rendercv_files.py

@@ -7,6 +7,7 @@ import io
 import os
 import sys
 import shutil
+from time import thread_time_ns
 from typing import Any
 
 import pdfCropMargins
@@ -162,6 +163,18 @@ def define_env(env):
 
     env.variables["showcase_entries"] = entries_showcase
 
+    # for theme templates reference docs:
+    themes_path = rendercv_path / "themes"
+    theme_templates = dict()
+    for theme in dm.available_themes:
+        theme_templates[theme] = dict()
+        for theme_file in themes_path.glob(f"{theme}/*.tex"):
+            theme_templates[theme][
+                theme_file.stem.replace(".j2", "")
+            ] = theme_file.read_text()
+
+    env.variables["theme_templates"] = theme_templates
+
 
 def generate_entry_figures():
     """Generate an image for each entry type and theme."""

rendercv/cli.py

@@ -125,8 +125,8 @@ def get_error_message_and_location_and_value_from_a_custom_error(
 def handle_validation_error(exception: pydantic.ValidationError):
     """Take a Pydantic validation error and print the error messages in a nice table.
 
-    Pydantic's ValidationError object is a complex object that contains a lot of
+    Pydantic's `ValidationError` object is a complex object that contains a lot of
-    information about the error. This function takes a ValidationError object and
+    information about the error. This function takes a `ValidationError` object and
     extracts the error messages, locations, and the input values. Then, it prints them
     in a nice table with [Rich](https://rich.readthedocs.io/en/latest/).