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authorGuido van Rossum <guido@python.org>1995-09-22 00:52:38 (GMT)
committerGuido van Rossum <guido@python.org>1995-09-22 00:52:38 (GMT)
commit8421c4e833dc8bc70c5e98ee872e3b914e8ccda9 (patch)
tree736ed8f79bf0cb75d72f96627b93327412fb9312
parent3f6bb865939e7bf0587a63ac8ff067cc5486b940 (diff)
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actualized example; added xover, xgtitle, xpath, date methods by Kevan Heydon
-rw-r--r--Lib/nntplib.py91
1 files changed, 87 insertions, 4 deletions
diff --git a/Lib/nntplib.py b/Lib/nntplib.py
index 8d0d6af..eafc9eb 100644
--- a/Lib/nntplib.py
+++ b/Lib/nntplib.py
@@ -5,10 +5,10 @@
# Example:
#
# >>> from nntplib import NNTP
-# >>> s = NNTP('charon')
-# >>> resp, count, first, last, name = s.group('nlnet.misc')
+# >>> s = NNTP('news')
+# >>> resp, count, first, last, name = s.group('comp.lang.python')
# >>> print 'Group', name, 'has', count, 'articles, range', first, 'to', last
-# Group nlnet.misc has 525 articles, range 6960 to 7485
+# Group comp.lang.python has 51 articles, range 5770 to 5821
# >>> resp, subs = s.xhdr('subject', first + '-' + last)
# >>> resp = s.quit()
# >>>
@@ -25,6 +25,8 @@
# Note that all arguments and return values representing article numbers
# are strings, not numbers, since they are rarely used for calculations.
+# (xover, xgtitle, xpath, date methods by Kevan Heydon)
+
# Imports
import regex
@@ -38,6 +40,7 @@ error_reply = 'nntplib.error_reply' # unexpected [123]xx reply
error_temp = 'nntplib.error_temp' # 4xx errors
error_perm = 'nntplib.error_perm' # 5xx errors
error_proto = 'nntplib.error_proto' # response does not begin with [1-5]
+error_data = 'nntplib.error_data' # error in response data
# Standard port used by NNTP servers
@@ -45,7 +48,7 @@ NNTP_PORT = 119
# Response numbers that are followed by additional text (e.g. article)
-LONGRESP = ['100', '215', '220', '221', '222', '230', '231']
+LONGRESP = ['100', '215', '220', '221', '222', '224', '230', '231', '282']
# Line terminators (we always output CRLF, but accept any of CRLF, CR, LF)
@@ -308,6 +311,86 @@ class NNTP:
lines[i] = (nr, line[n:])
return resp, lines
+ # Process an XOVER command (optional server extension) Arguments:
+ # - start: start of range
+ # - end: end of range
+ # Returns:
+ # - resp: server response if succesful
+ # - list: list of (art-nr, subject, poster, date, id, refrences, size, lines)
+
+ def xover(self,start,end):
+ resp, lines = self.longcmd('XOVER ' + start + '-' + end)
+ xover_lines = []
+ for line in lines:
+ elem = string.splitfields(line,"\t")
+ try:
+ xover_lines.append(elem[0],
+ elem[1],
+ elem[2],
+ elem[3],
+ elem[4],
+ elem[5:-2],
+ elem[-2],
+ elem[-1])
+ except IndexError:
+ raise error_data,line
+ return resp,xover_lines
+
+ # Process an XGTITLE command (optional server extension) Arguments:
+ # - group: group name wildcard (i.e. news.*)
+ # Returns:
+ # - resp: server response if succesful
+ # - list: list of (name,title) strings
+
+ def xgtitle(self, group):
+ line_pat = regex.compile("^\([^ \t]+\)[ \t]+\(.*\)$")
+ resp, raw_lines = self.longcmd('XGTITLE ' + group)
+ lines = []
+ for raw_line in raw_lines:
+ if line_pat.search(string.strip(raw_line)) == 0:
+ lines.append(line_pat.group(1),
+ line_pat.group(2))
+
+ return resp, lines
+
+ # Process an XPATH command (optional server extension) Arguments:
+ # - id: Message id of article
+ # Returns:
+ # resp: server response if succesful
+ # path: directory path to article
+
+ def xpath(self,id):
+ resp = self.shortcmd("XPATH " + id)
+ if resp[:3] <> '223':
+ raise error_reply, resp
+ try:
+ [resp_num, path] = string.split(resp)
+ except ValueError:
+ raise error_reply, resp
+ else:
+ return resp, path
+
+ # Process the DATE command. Arguments:
+ # None
+ # Returns:
+ # resp: server response if succesful
+ # date: Date suitable for newnews/newgroups commands etc.
+ # time: Time suitable for newnews/newgroups commands etc.
+
+ def date (self):
+ resp = self.shortcmd("DATE")
+ if resp[:3] <> '111':
+ raise error_reply, resp
+ elem = string.split(resp)
+ if len(elem) != 2:
+ raise error_data, resp
+ date = elem[1][2:8]
+ time = elem[1][-6:]
+ if len(date) != 6 or len(time) != 6:
+ raise error_data, resp
+ return resp, date, time
+
+
# Process a POST command. Arguments:
# - f: file containing the article
# Returns: