fixing issue with relationship description and circular import

web/app/practice.py

 from .models import Resource
 from .resources import *
 from .relationships import *
+from .practice_markdown import *
 from . import db
 import os
 import re

web/app/practice_markdown.py

+# @name: practice_markdown.py
+# @creation_date: 2024-02-07
+# @license: The MIT License <https://opensource.org/licenses/MIT>
+# @author: Simon Bowie <ad7588@coventry.ac.uk>
+# @purpose: functions for retrieving Markdown for practices
+# @acknowledgements:
+
+import os
+import markdown
+
+# function to get practice from Markdown file
+def get_practice_markdown(practice_name, option='html'):
+    practice_name = practice_name.replace(" ", "_")
+    file_path = f'content/practices/{practice_name}.md'
+    
+    if not os.path.exists(file_path):
+        return ""
+    
+    try:
+        with open(file_path, 'r') as f:
+            practice_text = f.read()
+            if option == 'html':
+                practice_text = markdown.markdown(practice_text)
+        return practice_text
+    except Exception as e:
+        return f"Error: {str(e)}"
+
+# function to write new or edited practice to Markdown file
+def write_practice_markdown(practice_name, markdown):
+    practice_name = practice_name.replace(" ", "_")
+    with open(f'content/practices/{practice_name}.md', 'w+') as f:
+        f.write(markdown)
+
+# function to extract only the first paragraph of practice Markdown
+def extract_first_paragraph(markdown):
+    # Split the text into lines
+    lines = markdown.split("\n")
+    
+    # Initialize a flag to track when we find the first paragraph
+    paragraph = []
+    
+    for line in lines:
+        # Ignore headings (lines starting with #)
+        if line.startswith("#"):
+            continue
+        
+        # If the line is not empty, it's part of a paragraph
+        if line.strip():
+            paragraph.append(line.strip())
+        elif paragraph:  # Stop once we have collected a paragraph and hit an empty line
+            break
+
+    return " ".join(paragraph)

web/app/relationships.py

 from .models import Resource
 from .models import Relationship
 from . import db
+from .practice_markdown import get_practice_markdown, extract_first_paragraph
 import markdown
 
 # function to retrieve linked resources
                 else:
                     resource.__dict__['tools'].append(relationship)
             elif relationship.type == 'practice':
-                # render Markdown as HTML
-                relationship.description = markdown.markdown(relationship.description)
+                if not relationship.description:
+                    # fill the description field with the first paragraph of the associated practice Markdown file
+                    practice_markdown = get_practice_markdown(relationship.name, 'markdown')
+                    if practice_markdown:
+                        description = extract_first_paragraph(practice_markdown)
+                        relationship.description = description
+
                 if 'practices' not in resource.__dict__.keys():
                     resource.__dict__['practices'] = []
                     resource.__dict__['practices'].append(relationship)

web/app/resources.py

         resource.__dict__['commitDate'] = date
     return resource
 
-# function to get practice from Markdown file
-def get_practice_markdown(practice_name, option='html'):
-    file_name = practice_name.replace(" ", "_")
-    with open(f'content/practices/{file_name}.md', 'r') as f:
-        practice_text = f.read()
-        if option == 'html':
-            practice_text = markdown.markdown(practice_text)
-    return practice_text
-
-# function to write new or edited practice to Markdown file
-def write_practice_markdown(practice_name, markdown):
-    practice_name = practice_name.replace(" ", "_")
-    with open(f'content/practices/{practice_name}.md', 'w+') as f:
-        f.write(markdown)
-
-# function to extract only the first paragraph of practice Markdown
-def extract_first_paragraph(markdown):
-    # Split the text into lines
-    lines = markdown.split("\n")
-    
-    # Initialize a flag to track when we find the first paragraph
-    paragraph = []
-    
-    for line in lines:
-        # Ignore headings (lines starting with #)
-        if line.startswith("#"):
-            continue
-        
-        # If the line is not empty, it's part of a paragraph
-        if line.strip():
-            paragraph.append(line.strip())
-        elif paragraph:  # Stop once we have collected a paragraph and hit an empty line
-            break
-
-    return " ".join(paragraph)
-
 # function to retrieve data about a curated list of resources
 def get_curated_resources(resource_ids):
     resources = Resource.query.filter(Resource.id.in_(resource_ids)).filter_by(published=True).order_by(func.random()).all()

web/app/templates/base.html

 {% endmacro %}
 
 {% macro relationships_links(resource) %}
+    {% if resource.tools %}
+    <div class="">
+        <div class="px-4 mt-16 lg:mt-0">
+            Tools
+        </div>
+        {% for tool in resource.tools %}
+        <div class="cell">
+            {{ resource_lead(tool,size=2) }}
+        </div>
+        {% endfor %}
 
-{% if resource.tools %}
-<div class="">
-    <div class="px-4 mt-16 lg:mt-0">
-        Tools
-    </div>
-    {% for tool in resource.tools %}
-    <div class="cell">
-        {{ resource_lead(tool,size=2) }}
-    </div>
-    {% endfor %}
-
-</div>
-{% endif %}
-{% if resource.books %}
-<div class="">
-    <div class="px-4 mt-16 lg:mt-0">
-        Books
     </div>
+    {% endif %}
+    {% if resource.books %}
+    <div class="">
+        <div class="px-4 mt-16 lg:mt-0">
+            Books
+        </div>
 
-    {% for book in resource.books %}
-    <div class="cell">
-        {{ resource_lead(book,size=2) }}
-    </div>
-    {% endfor %}
-</div>
-{% endif %}
-{% if resource.practices %}
-<div class="">
-    <div class="px-4 mt-16 lg:mt-0">
-        Practices
+        {% for book in resource.books %}
+        <div class="cell">
+            {{ resource_lead(book,size=2) }}
+        </div>
+        {% endfor %}
     </div>
+    {% endif %}
+    {% if resource.practices %}
+    <div class="">
+        <div class="px-4 mt-16 lg:mt-0">
+            Practices
+        </div>
 
-    {% for practice in resource.practices %}
-    <div class="cell">
-        {{ resource_lead(practice,size=2) }}
+        {% for practice in resource.practices %}
+        <div class="cell">
+            {{ resource_lead(practice,size=2) }}
+        </div>
+        {% endfor %}
     </div>
-    {% endfor %}
-</div>
-{% endif %}
-
+    {% endif %}
 {% endmacro %}
 
 {% macro resource_list(resource, loop, show_number=true) %}