refactor(python): simplify code for generating GET endpoints

Relate to #16

src/templates/routes.py.ejs

@@ -201,37 +201,33 @@ def <%- pythonMethodName %>(<%- methodArgs.join(', ') %>):
     https://stackoverflow.com/questions/45399347/dictcursor-vs-realdictcursor
 -%>
         with conn:
-<%          if (hasGetOne) {
-                if (queries.length > 1) { /* we can omit cursor_factory but in this case we might get an unused import  */-%>
+<%          if (hasGetOne && queries.length > 1) { /* we can omit cursor_factory but in this case we might get an unused import  */-%>
             with conn.cursor(cursor_factory=psycopg2.extras.DictCursor) as cur:
                 result = {}
-<%                  queries.forEach(queryInfo => {
-                        for (const [name, query] of Object.entries(queryInfo)) {
+<%              queries.forEach(queryInfo => {
+                    for (const [name, query] of Object.entries(queryInfo)) {
 -%>
                 cur.execute(<%- query.sql %><%- query.formattedParams %>)
                 result['<%- name %>'] = cur.fetchone()[0]
 <%                      }
-                    })
+                })
 -%>
                 return result
 <%
-                } else {
-                    const query = queries[0].result
+            } else {
+                const query = queries[0].result
 -%>
             with conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor) as cur:
                 cur.execute(<%- query.sql %><%- query.formattedParams %>)
+<%              if (hasGetMany) { -%>
+                return cur.fetchall()
+<%              } else { /* GET with a single result */ -%>
                 result = cur.fetchone()
                 if result is None:
                     raise HTTPException(status_code = status.HTTP_404_NOT_FOUND)
                 return result
-<%              }
-            } else {
-                const query = queries[0].result
--%>
-            with conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor) as cur:
-                cur.execute(<%- query.sql %><%- query.formattedParams %>)
-                return cur.fetchall()
 <%
+                }
             }
 -%>
     finally: