128 lines
3 KiB
Python
128 lines
3 KiB
Python
# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
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# MIT License. See license.txt
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from __future__ import unicode_literals
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import webnotes
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import mimetypes, json
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from webnotes.website.context import get_context
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from webnotes.website.utils import scrub_relative_urls, get_home_page, can_cache
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from webnotes.website.permissions import get_access, clear_permissions
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class PageNotFoundError(Exception): pass
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def render(path):
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"""render html page"""
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path = resolve_path(path)
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try:
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data = render_page(path)
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except Exception:
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path = "error"
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data = render_page(path)
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data = set_content_type(data, path)
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webnotes._response.data = data
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webnotes._response.headers[b"Page Name"] = path.encode("utf-8")
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def render_page(path):
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"""get page html"""
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cache_key = ("page_context:{}" if is_ajax() else "page:{}").format(path)
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out = None
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# try memcache
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if can_cache():
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out = webnotes.cache().get_value(cache_key)
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if out and is_ajax():
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out = out.get("data")
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if out:
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if hasattr(webnotes, "_response"):
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webnotes._response.headers[b"From Cache"] = True
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return out
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return build(path)
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def build(path):
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if not webnotes.conn:
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webnotes.connect()
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build_method = (build_json if is_ajax() else build_page)
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try:
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return build_method(path)
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except webnotes.DoesNotExistError:
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hooks = webnotes.get_hooks()
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if hooks.website_catch_all:
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return build_method(hooks.website_catch_all[0])
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else:
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return build_method("404")
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def build_json(path):
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return get_context(path).data
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def build_page(path):
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context = get_context(path)
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html = webnotes.get_template(context.base_template_path).render(context)
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html = scrub_relative_urls(html)
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if can_cache(context.no_cache):
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webnotes.cache().set_value("page:" + path, html)
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return html
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def is_ajax():
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return webnotes.get_request_header("X-Requested-With")=="XMLHttpRequest"
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def resolve_path(path):
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if not path:
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path = "index"
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if path.endswith('.html'):
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path = path[:-5]
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if path == "index":
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path = get_home_page()
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return path
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def set_content_type(data, path):
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if isinstance(data, dict):
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webnotes._response.headers[b"Content-Type"] = b"application/json; charset: utf-8"
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data = json.dumps(data)
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return data
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webnotes._response.headers[b"Content-Type"] = b"text/html; charset: utf-8"
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if "." in path and not path.endswith(".html"):
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content_type, encoding = mimetypes.guess_type(path)
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webnotes._response.headers[b"Content-Type"] = content_type.encode("utf-8")
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return data
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def clear_cache(path=None):
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cache = webnotes.cache()
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if path:
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delete_page_cache(path)
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else:
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for p in webnotes.conn.sql_list("""select name from `tabWebsite Sitemap`"""):
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if p is not None:
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delete_page_cache(p)
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cache.delete_value("home_page")
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clear_permissions()
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for method in webnotes.get_hooks("website_clear_cache"):
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webnotes.get_attr(method)(path)
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def delete_page_cache(path):
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cache = webnotes.cache()
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cache.delete_value("page:" + path)
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cache.delete_value("page_context:" + path)
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cache.delete_value("sitemap_options:" + path)
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