+import sys, os, math
from . import dispatch, proto, env
+from .sp import xhtml
+h = xhtml.cons()
__all__ = ["skeleton", "skelfor", "setskel", "usererror"]
class skeleton(object):
- def page(self, title, content):
- return """<?xml version="1.0" ?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US">
-<head>
-%s
-</head>
-<body>
-%s
-</body>
-</html>""" % (self.head(title), content)
-
- def head(self, title):
- return """<title>%s</title>\n%s""" % (title, self.style())
-
- def style(self):
- return ""
-
- def error(self, message, detail):
- return self.page(message, """<h1>%s</h1>\n<p>%s</p>\n""" % (message, detail))
-
- def message(self, message, detail):
- return self.page(message, """<h1>%s</h1>\n<p>%s</p>\n""" % (message, detail))
+ def page(self, req, title, *content):
+ return xhtml.forreq(req, h.html(self.head(req, title), h.body(*content)))
+
+ def head(self, req, title):
+ return xhtml.head(title=title)
+
+ def error(self, req, message, *detail):
+ return self.page(req, message, h.h1(message), h.p(*detail))
+
+ def message(self, req, message, *detail):
+ return self.page(req, message, h.h1(message), h.p(*detail))
defskel = env.var(skeleton())
req.item(getskel)[0] = skel
class usererror(dispatch.restart):
- def __init__(self, message, detail):
+ def __init__(self, message, *detail):
super().__init__()
self.message = message
self.detail = detail
def handle(self, req):
- return [skelfor(req).error(self.message, self.detail).encode("utf-8")]
+ return skelfor(req).error(req, self.message, *self.detail)
class message(dispatch.restart):
- def __init__(self, message, detail):
+ def __init__(self, message, *detail):
super().__init__()
self.message = message
self.detail = detail
def handle(self, req):
- return [skelfor(req).message(self.message, self.detail).encode("utf-8")]
+ return skelfor(req).message(req, self.message, *self.detail)
class httperror(usererror):
- def __init__(self, status, message = None, detail = None):
+ def __init__(self, status, message=None, detail=None):
if message is None:
message = proto.statusinfo[status][0]
if detail is None:
- detail = proto.statusinfo[status][1]
- super().__init__(message, detail)
+ detail = (proto.statusinfo[status][1],)
+ super().__init__(message, *detail)
self.status = status
def handle(self, req):
return super().__init__(404)
class redirect(dispatch.restart):
- def __init__(self, url, status = 303):
+ bases = {"url": proto.requrl,
+ "script": proto.scripturl,
+ "site": proto.siteurl}
+
+ def __init__(self, url, status=303, base="url"):
super().__init__()
self.url = url
self.status = status
+ self.bases[base]
+ self.base = base
def handle(self, req):
req.status(self.status, "Redirect")
- req.ohead["Location"] = proto.appendurl(proto.requrl(req), self.url)
+ req.ohead["Location"] = proto.appendurl(self.bases[self.base](req), self.url)
+ req.ohead["Content-Length"] = 0
+ return []
+
+class unmodified(dispatch.restart):
+ def handle(self, req):
+ req.status(304, "Not Modified")
+ req.ohead["Content-Length"] = "0"
return []
+
+class fileiter(object):
+ def __init__(self, fp):
+ self.fp = fp
+
+ def __iter__(self):
+ return self
+
+ def __next__(self):
+ if self.fp is None:
+ raise StopIteration()
+ data = self.fp.read(16384)
+ if data == b"":
+ self.fp.close()
+ self.fp = None
+ raise StopIteration()
+ return data
+
+ def close(self):
+ if self.fp is not None:
+ self.fp.close()
+ self.fp = None
+
+class fileresp(dispatch.restart):
+ def __init__(self, fp, ctype, charset=None, cachable=True):
+ self.fp = fp
+ self.ctype = ctype
+ if charset is None and ctype.startswith("text/"):
+ charset = sys.getdefaultencoding()
+ self.charset = charset
+ self.cachable = cachable
+
+ def handle(self, req):
+ sb = None
+ if hasattr(self.fp, "fileno"):
+ sb = os.fstat(self.fp.fileno())
+ if self.cachable and sb and sb.st_mtime != 0:
+ if "If-Modified-Since" in req.ihead:
+ rtime = proto.phttpdate(req.ihead["If-Modified-Since"])
+ if rtime is not None and rtime >= math.floor(sb.st_mtime):
+ raise unmodified()
+ req.ohead["Last-Modified"] = proto.httpdate(sb.st_mtime)
+ ctype = self.ctype
+ if self.charset is not None:
+ ctype += "; charset=%s" % (self.charset)
+ req.ohead["Content-Type"] = ctype
+ if sb and sb.st_size > 0:
+ req.ohead["Content-Length"] = str(sb.st_size)
+ return fileiter(self.fp)