From cfec4c13df48ff07eaac09d7d26ae0aa3856ea8d Mon Sep 17 00:00:00 2001
From: Prateeksha Singh <pratu16x7@users.noreply.github.com>
Date: Mon, 2 Jul 2018 21:51:02 +0530
Subject: [PATCH] [build-docs][context] look for _sidebar.json in parent
 directories (#5715)

* [build-docs][context] look for _sidebar.json in parent directories

* [build-docs] stop sidebar search at /www dir

* [website-render] use look_for_sidebar_json hook

* [website-sidebar] add hooks check
---
 frappe/website/context.py | 39 ++++++++++++++++++++++++++++++++++-----
 1 file changed, 34 insertions(+), 5 deletions(-)

diff --git a/frappe/website/context.py b/frappe/website/context.py
index e948ad994f..f971fa0dcb 100644
--- a/frappe/website/context.py
+++ b/frappe/website/context.py
@@ -120,6 +120,32 @@ def build_context(context):
 
 	return context
 
+def load_sidebar(context, sidebar_json_path):
+	with open(sidebar_json_path, 'r') as sidebarfile:
+		context.sidebar_items = json.loads(sidebarfile.read())
+		context.show_sidebar = 1
+
+def get_sidebar_json_path(path, look_for=False):
+	'''
+		Get _sidebar.json path from directory path
+
+		:param path: path of the current diretory
+		:param look_for: if True, look for _sidebar.json going upwards from given path
+
+		:return: _sidebar.json path
+	'''
+	if os.path.split(path)[1] == 'www' or path == '/' or not path:
+		return ''
+
+	sidebar_json_path = os.path.join(path, '_sidebar.json')
+	if os.path.exists(sidebar_json_path):
+		return sidebar_json_path
+	else:
+		if look_for:
+			return get_sidebar_json_path(os.path.split(path)[0], look_for)
+		else:
+			return ''
+
 def add_sidebar_and_breadcrumbs(context):
 	'''Add sidebar and breadcrumbs to context'''
 	from frappe.website.router import get_page_info_from_template
@@ -128,11 +154,14 @@ def add_sidebar_and_breadcrumbs(context):
 		add_sidebar_data(context)
 	else:
 		if context.basepath:
-			sidebar_json_path = os.path.join(context.basepath, '_sidebar.json')
-			if os.path.exists(sidebar_json_path):
-				with open(sidebar_json_path, 'r') as sidebarfile:
-					context.sidebar_items = json.loads(sidebarfile.read())
-					context.show_sidebar = 1
+			hooks = frappe.get_hooks('look_for_sidebar_json')
+			look_for_sidebar_json = hooks[0] if hooks else 0
+			sidebar_json_path = get_sidebar_json_path(
+				context.basepath,
+				look_for_sidebar_json
+			)
+			if sidebar_json_path:
+				load_sidebar(context, sidebar_json_path)
 
 	if context.add_breadcrumbs and not context.parents:
 		if context.basepath: