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Diffstat (limited to 'Lib/dos_8x3/gopherli.py')
| -rwxr-xr-x | Lib/dos_8x3/gopherli.py | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/Lib/dos_8x3/gopherli.py b/Lib/dos_8x3/gopherli.py deleted file mode 100755 index cf06e95..0000000 --- a/Lib/dos_8x3/gopherli.py +++ /dev/null @@ -1,191 +0,0 @@ -# Gopher protocol client interface - -import string - -# Default selector, host and port -DEF_SELECTOR = '1/' -DEF_HOST = 'gopher.micro.umn.edu' -DEF_PORT = 70 - -# Recognized file types -A_TEXT = '0' -A_MENU = '1' -A_CSO = '2' -A_ERROR = '3' -A_MACBINHEX = '4' -A_PCBINHEX = '5' -A_UUENCODED = '6' -A_INDEX = '7' -A_TELNET = '8' -A_BINARY = '9' -A_DUPLICATE = '+' -A_SOUND = 's' -A_EVENT = 'e' -A_CALENDAR = 'c' -A_HTML = 'h' -A_TN3270 = 'T' -A_MIME = 'M' -A_IMAGE = 'I' -A_WHOIS = 'w' -A_QUERY = 'q' -A_GIF = 'g' -A_HTML = 'h' # HTML file -A_WWW = 'w' # WWW address -A_PLUS_IMAGE = ':' -A_PLUS_MOVIE = ';' -A_PLUS_SOUND = '<' - - -# Function mapping all file types to strings; unknown types become TYPE='x' -_names = dir() -_type_to_name_map = None -def type_to_name(gtype): - global _type_to_name_map - if not _type_to_name_map: - for name in _names: - if name[:2] == 'A_': - _type_to_name_map[eval(name)] = name[2:] - if _type_to_name_map.has_key(gtype): - return _type_to_name_map[gtype] - return 'TYPE=' + `gtype` - -# Names for characters and strings -CRLF = '\r\n' -TAB = '\t' - -# Send a selector to a given host and port, return a file with the reply -def send_selector(selector, host, port = 0): - import socket - import string - if not port: - i = string.find(host, ':') - if i >= 0: - host, port = host[:i], string.atoi(host[i+1:]) - if not port: - port = DEF_PORT - elif type(port) == type(''): - port = string.atoi(port) - s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) - s.connect(host, port) - s.send(selector + CRLF) - s.shutdown(1) - return s.makefile('rb') - -# Send a selector and a query string -def send_query(selector, query, host, port = 0): - return send_selector(selector + '\t' + query, host, port) - -# The following functions interpret the data returned by the gopher -# server according to the expected type, e.g. textfile or directory - -# Get a directory in the form of a list of entries -def get_directory(f): - import string - list = [] - while 1: - line = f.readline() - if not line: - print '(Unexpected EOF from server)' - break - if line[-2:] == CRLF: - line = line[:-2] - elif line[-1:] in CRLF: - line = line[:-1] - if line == '.': - break - if not line: - print '(Empty line from server)' - continue - gtype = line[0] - parts = string.splitfields(line[1:], TAB) - if len(parts) < 4: - print '(Bad line from server:', `line`, ')' - continue - if len(parts) > 4: - if parts[4:] != ['+']: - print '(Extra info from server:', parts[4:], ')' - else: - parts.append('') - parts.insert(0, gtype) - list.append(parts) - return list - -# Get a text file as a list of lines, with trailing CRLF stripped -def get_textfile(f): - list = [] - get_alt_textfile(f, list.append) - return list - -# Get a text file and pass each line to a function, with trailing CRLF stripped -def get_alt_textfile(f, func): - while 1: - line = f.readline() - if not line: - print '(Unexpected EOF from server)' - break - if line[-2:] == CRLF: - line = line[:-2] - elif line[-1:] in CRLF: - line = line[:-1] - if line == '.': - break - if line[:2] == '..': - line = line[1:] - func(line) - -# Get a binary file as one solid data block -def get_binary(f): - data = f.read() - return data - -# Get a binary file and pass each block to a function -def get_alt_binary(f, func, blocksize): - while 1: - data = f.read(blocksize) - if not data: - break - func(data) - -# Trivial test program -def test(): - import sys - import getopt - opts, args = getopt.getopt(sys.argv[1:], '') - selector = DEF_SELECTOR - type = selector[0] - host = DEF_HOST - port = DEF_PORT - if args: - host = args[0] - args = args[1:] - if args: - type = args[0] - args = args[1:] - if len(type) > 1: - type, selector = type[0], type - else: - selector = '' - if args: - selector = args[0] - args = args[1:] - query = '' - if args: - query = args[0] - args = args[1:] - if type == A_INDEX: - f = send_query(selector, query, host) - else: - f = send_selector(selector, host) - if type == A_TEXT: - list = get_textfile(f) - for item in list: print item - elif type in (A_MENU, A_INDEX): - list = get_directory(f) - for item in list: print item - else: - data = get_binary(f) - print 'binary data:', len(data), 'bytes:', `data[:100]`[:40] - -# Run the test when run as script -if __name__ == '__main__': - test() |