-import dispatch, proto, env
-from sp import xhtml
+import sys, os, math
+from . import dispatch, proto, env
+from .sp import xhtml
h = xhtml.cons()
__all__ = ["skeleton", "skelfor", "setskel", "usererror"]
class usererror(dispatch.restart):
def __init__(self, message, *detail):
- super(usererror, self).__init__()
+ super().__init__()
self.message = message
self.detail = detail
return skelfor(req).error(req, self.message, *self.detail)
class message(dispatch.restart):
- def __init__(self, msg, *detail):
- super(message, self).__init__()
- self.message = msg
+ def __init__(self, message, *detail):
+ super().__init__()
+ self.message = message
self.detail = detail
def handle(self, req):
message = proto.statusinfo[status][0]
if detail is None:
detail = (proto.statusinfo[status][1],)
- super(httperror, self).__init__(message, *detail)
+ super().__init__(message, *detail)
self.status = status
def handle(self, req):
req.status(self.status, self.message)
- return super(httperror, self).handle(req)
+ return super().handle(req)
class notfound(httperror):
def __init__(self):
- return super(notfound, self).__init__(404)
+ return super().__init__(404)
class redirect(dispatch.restart):
bases = {"url": proto.requrl,
"site": proto.siteurl}
def __init__(self, url, status=303, base="url"):
- super(redirect, self).__init__()
+ super().__init__()
self.url = url
self.status = status
self.bases[base]
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)