[features] build multi-lingual website

frappe/__init__.py

@@ -642,6 +642,9 @@ def get_installed_apps(sort=False):
 	if getattr(flags, "in_install_db", True):
 		return []
 
+	if not db:
+		connect()
+
 	installed = json.loads(db.get_global("installed_apps") or "[]")
 
 	if sort:

frappe/auth.py

@@ -32,7 +32,7 @@ class HTTPRequest:
 			frappe.local.request_ip = '127.0.0.1'
 
 		# language
-		self.set_lang(frappe.request.accept_languages.values())
+		self.set_lang()
 
 		# load cookies
 		frappe.local.cookie_manager = CookieManager()
@@ -70,9 +70,9 @@ class HTTPRequest:
 				frappe.local.flags.disable_traceback = True
 				frappe.throw(_("Invalid Request"), frappe.CSRFTokenError)
 
-	def set_lang(self, lang_codes):
+	def set_lang(self):
 		from frappe.translate import guess_language
-		frappe.local.lang = guess_language(lang_codes)
+		frappe.local.lang = guess_language()
 
 	def get_db_name(self):
 		"""get database name from conf"""

frappe/translate.py

@@ -15,13 +15,15 @@ from frappe.utils.jinja import render_include
 from jinja2 import TemplateError
 import itertools, operator
 
-def guess_language(lang_codes):
+def guess_language(lang_list=None):
 	"""Set `frappe.local.lang` from HTTP headers at beginning of request"""
+	lang_codes = frappe.request.accept_languages.values()
 	if not lang_codes:
 		return frappe.local.lang
 
 	guess = None
-	lang_list = get_all_languages() or []
+	if not lang_list:
+		lang_list = get_all_languages() or []
 
 	for l in lang_codes:
 		code = l.strip()
@@ -536,4 +538,4 @@ def rename_language(old_name, new_name):
 		frappe.db.set_value("System Settings", "System Settings", "language", new_name)
 
 	frappe.db.sql("""update `tabUser` set language=%(new_name)s where language=%(old_name)s""",
-		{ "old_name": old_name, "new_name": new_name })
+		{ "old_name": old_name, "new_name": new_name })

frappe/website/render.py

@@ -13,16 +13,16 @@ from werkzeug.routing import Map, Rule, NotFound
 from frappe.website.context import get_context
 from frappe.website.utils import get_home_page, can_cache, delete_page_cache
 from frappe.website.router import clear_sitemap
+from frappe.translate import guess_language
 
 class PageNotFoundError(Exception): pass
 
 def render(path, http_status_code=None):
 	"""render html page"""
 	path = resolve_path(path.strip("/ "))
-	set_lang()
 
 	try:
-		data = render_page(path)
+		data = render_page_by_language(path)
 	except frappe.DoesNotExistError, e:
 		doctype, name = get_doctype_from_path(path)
 		if doctype and name:
@@ -59,47 +59,6 @@ def render(path, http_status_code=None):
 
 	return build_response(path, data, http_status_code or 200)
 
-def set_lang():
-	"""Set user's lang if not Guest or use default lang"""
-	frappe.local.lang = getattr(frappe.local, "user_lang", None) or frappe.db.get_default("lang")
-
-def render_403(e, pathname):
-	path = "message"
-	frappe.local.message = """<p><strong>{error}</strong></p>
-	<p>
-		<a href="/login?redirect-to=/{pathname}" class="btn btn-primary">{login}</a>
-	</p>""".format(error=cstr(e.message), login=_("Login"), pathname=frappe.local.path)
-	frappe.local.message_title = _("Not Permitted")
-	return render_page(path), e.http_status_code
-
-def get_doctype_from_path(path):
-	doctypes = frappe.db.sql_list("select name from tabDocType")
-
-	parts = path.split("/")
-
-	doctype = parts[0]
-	name = parts[1] if len(parts) > 1 else None
-
-	if doctype in doctypes:
-		return doctype, name
-
-	# try scrubbed
-	doctype = doctype.replace("_", " ").title()
-	if doctype in doctypes:
-		return doctype, name
-
-	return None, None
-
-def add_csrf_token(data):
-	if is_ajax() or frappe.session.user == "Guest" or not frappe.local.session.data.csrf_token:
-		pass
-
-	else:
-		data = data.replace("<!-- csrf_token -->", '<script>frappe.csrf_token = "{0}";</script>'.format(
-			frappe.local.session.data.csrf_token))
-
-	return data
-
 def build_response(path, data, http_status_code, headers=None):
 	# build response
 	response = Response()
@@ -114,6 +73,23 @@ def build_response(path, data, http_status_code, headers=None):
 
 	return response
 
+def render_page_by_language(path):
+	translated_languages = frappe.get_hooks("translated_languages_for_website")
+	user_lang = guess_language(translated_languages)
+	if translated_languages and user_lang in translated_languages:
+		try:
+			if path and path != "index":
+				lang_path = '{0}/{1}'.format(user_lang, path)
+			else:
+				lang_path = user_lang # index
+
+			return render_page(lang_path)
+		except frappe.DoesNotExistError:
+			return render_page(path)
+
+	else:
+		return render_page(path)
+
 def render_page(path):
 	"""get page html"""
 	out = None
@@ -234,3 +210,40 @@ def clear_cache(path=None):
 
 	for method in frappe.get_hooks("website_clear_cache"):
 		frappe.get_attr(method)(path)
+
+def render_403(e, pathname):
+	path = "message"
+	frappe.local.message = """<p><strong>{error}</strong></p>
+	<p>
+		<a href="/login?redirect-to=/{pathname}" class="btn btn-primary">{login}</a>
+	</p>""".format(error=cstr(e.message), login=_("Login"), pathname=frappe.local.path)
+	frappe.local.message_title = _("Not Permitted")
+	return render_page(path), e.http_status_code
+
+def get_doctype_from_path(path):
+	doctypes = frappe.db.sql_list("select name from tabDocType")
+
+	parts = path.split("/")
+
+	doctype = parts[0]
+	name = parts[1] if len(parts) > 1 else None
+
+	if doctype in doctypes:
+		return doctype, name
+
+	# try scrubbed
+	doctype = doctype.replace("_", " ").title()
+	if doctype in doctypes:
+		return doctype, name
+
+	return None, None
+
+def add_csrf_token(data):
+	if is_ajax() or frappe.session.user == "Guest" or not frappe.local.session.data.csrf_token:
+		pass
+
+	else:
+		data = data.replace("<!-- csrf_token -->", '<script>frappe.csrf_token = "{0}";</script>'.format(
+			frappe.local.session.data.csrf_token))
+
+	return data