ITSA Workflow

modules/purchase_trade/process_documentation.py

@@ -10,6 +10,7 @@ from pathlib import Path
 from urllib.parse import unquote
 
 from trytond.model import ModelSingleton, ModelSQL, ModelView, fields
+from trytond.transaction import Transaction
 
 
 DOCUMENTATION_ROOT = Path(__file__).with_name('process_documentation')
@@ -31,6 +32,10 @@ class ProcessDocumentation(ModelSingleton, ModelSQL, ModelView):
 
 
 def _html_content():
+    html_file = Transaction().context.get('process_documentation_html')
+    if html_file:
+        return _html_file_content(html_file)
+
     document = HTML_TEMPLATE % {
         'content': _documentation_content(),
         }
@@ -39,6 +44,28 @@ def _html_content():
         }
 
 
+def _html_file_content(filename):
+    path = (DOCUMENTATION_ROOT / Path(*filename.split('/'))).resolve()
+    root = DOCUMENTATION_ROOT.resolve()
+    common_path = os.path.commonpath([str(root), str(path)])
+    if path != root and common_path == str(root):
+        if path.exists() and path.is_file() and path.suffix.lower() == '.html':
+            return IFRAME_TEMPLATE % {
+                'document': html.escape(path.read_text(encoding='utf-8'),
+                    quote=True),
+                }
+    return _html_error('Documentation page not found: %s' % filename)
+
+
+def _html_error(message):
+    document = HTML_TEMPLATE % {
+        'content': '<p>%s</p>' % html.escape(message),
+        }
+    return IFRAME_TEMPLATE % {
+        'document': html.escape(document, quote=True),
+        }
+
+
 def _documentation_content():
     sections = []
     index = DOCUMENTATION_ROOT / 'README.md'