|
| 1 | +#! /depot/sundry/plat/bin/python1.4 |
| 2 | + |
| 3 | +"""Interactive FAQ project.""" |
| 4 | + |
| 5 | +import cgi, string, os |
| 6 | + |
| 7 | +NAMEPAT = "faq??.???.htp" |
| 8 | + |
| 9 | +class FAQServer: |
| 10 | + |
| 11 | + def __init__(self): |
| 12 | + pass |
| 13 | + |
| 14 | + def main(self): |
| 15 | + self.form = cgi.FieldStorage() |
| 16 | + req = self.req or 'frontpage' |
| 17 | + try: |
| 18 | + method = getattr(self, 'do_%s' % req) |
| 19 | + except AttributeError: |
| 20 | + print "Unrecognized request type", req |
| 21 | + else: |
| 22 | + method() |
| 23 | + |
| 24 | + KEYS = ['req', 'query', 'name', 'text', 'commit', 'title'] |
| 25 | + |
| 26 | + def __getattr__(self, key): |
| 27 | + if key not in self.KEYS: |
| 28 | + raise AttributeError |
| 29 | + if self.form.has_key(key): |
| 30 | + item = self.form[key] |
| 31 | + return item.value |
| 32 | + return '' |
| 33 | + |
| 34 | + def do_frontpage(self): |
| 35 | + print """ |
| 36 | + <TITLE>Python FAQ (alpha 1)</TITLE> |
| 37 | + <H1>Python FAQ Front Page</H1> |
| 38 | + <UL> |
| 39 | + <LI><A HREF="faq.py?req=search">Search the FAQ</A> |
| 40 | + <LI><A HREF="faq.py?req=browse">Browse the FAQ</A> |
| 41 | + <LI><A HREF="faq.py?req=submit">Submit a new FAQ entry</A> |
| 42 | + <LI><A HREF="faq.py?req=roulette">Random FAQ entry</A> |
| 43 | + </UL> |
| 44 | +
|
| 45 | + <FORM ACTION="faq.py?req=query"> |
| 46 | + <INPUT TYPE=text NAME=query> |
| 47 | + <INPUT TYPE=submit VALUE="Search"> |
| 48 | + <INPUT TYPE=hidden NAME=req VALUE=query> |
| 49 | + </FORM> |
| 50 | +
|
| 51 | + Disclaimer: these pages are intended to be edited by anyone. |
| 52 | + Please exercise discretion when editing, don't be rude, etc. |
| 53 | + """ |
| 54 | + |
| 55 | + def do_browse(self): |
| 56 | + print """ |
| 57 | + <TITLE>Python FAQ</TITLE> |
| 58 | + <H1>Python FAQ</H1> |
| 59 | + <HR> |
| 60 | + """ |
| 61 | + names = os.listdir(os.curdir) |
| 62 | + names.sort() |
| 63 | + n = 0 |
| 64 | + for name in names: |
| 65 | + headers, body = self.read(name) |
| 66 | + if headers: |
| 67 | + self.show(name, headers, body, 1) |
| 68 | + n = n+1 |
| 69 | + if not n: |
| 70 | + print "No FAQ entries?!?!" |
| 71 | + |
| 72 | + def do_roulette(self): |
| 73 | + import whrandom |
| 74 | + print """ |
| 75 | + <TITLE>Python FAQ Roulette</TITLE> |
| 76 | + <H1>Python FAQ Roulette</H1> |
| 77 | + Please check the correctness of the entry below. |
| 78 | + If you find any problems, please edit the entry. |
| 79 | + <P> |
| 80 | + <HR> |
| 81 | + """ |
| 82 | + names = os.listdir(os.curdir) |
| 83 | + while names: |
| 84 | + name = whrandom.choice(names) |
| 85 | + headers, body = self.read(name) |
| 86 | + if headers: |
| 87 | + self.show(name, headers, body, 1) |
| 88 | + print '<P><A HREF="faq.py?req=roulette">Show another one</A>' |
| 89 | + break |
| 90 | + else: |
| 91 | + names.remove(name) |
| 92 | + else: |
| 93 | + print "No FAQ entries?!?!" |
| 94 | + |
| 95 | + def do_search(self): |
| 96 | + print """ |
| 97 | + <TITLE>Search the Python FAQ</TITLE> |
| 98 | + <H1>Search the Python FAQ</H1> |
| 99 | +
|
| 100 | + <FORM ACTION="faq.py?req=query"> |
| 101 | + <INPUT TYPE=text NAME=query> |
| 102 | + <INPUT TYPE=submit VALUE="Search"> |
| 103 | + <INPUT TYPE=hidden NAME=req VALUE=query> |
| 104 | + </FORM> |
| 105 | + """ |
| 106 | + |
| 107 | + def do_query(self): |
| 108 | + import regex |
| 109 | + print "<TITLE>Python FAQ Query Results</TITLE>" |
| 110 | + print "<H1>Python FAQ Query Results</H1>" |
| 111 | + query = self.query |
| 112 | + if not query: |
| 113 | + print "No query string" |
| 114 | + return |
| 115 | + p = regex.compile(query, regex.casefold) |
| 116 | + names = os.listdir(os.curdir) |
| 117 | + names.sort() |
| 118 | + print "<HR>" |
| 119 | + n = 0 |
| 120 | + for name in names: |
| 121 | + headers, body = self.read(name) |
| 122 | + if headers: |
| 123 | + title = headers['title'] |
| 124 | + if p.search(title) >= 0 or p.search(body) >= 0: |
| 125 | + self.show(name, headers, body, 1) |
| 126 | + n = n+1 |
| 127 | + if not n: |
| 128 | + print "No hits." |
| 129 | + |
| 130 | + def do_edit(self): |
| 131 | + name = self.name |
| 132 | + headers, body = self.read(name) |
| 133 | + if not headers: |
| 134 | + print "Invalid file name", name |
| 135 | + return |
| 136 | + print """ |
| 137 | + <TITLE>Python FAQ Edit Form</TITLE> |
| 138 | + <H1>Python FAQ Edit Form</H1> |
| 139 | + """ |
| 140 | + self.showheaders(headers) |
| 141 | + title = headers['title'] |
| 142 | + print """ |
| 143 | + <FORM METHOD=POST ACTION=faq.py> |
| 144 | + <INPUT TYPE=text SIZE=80 NAME=title VALUE="%s"<BR> |
| 145 | + <TEXTAREA COLS=80 ROWS=20 NAME=text>""" % title |
| 146 | + print cgi.escape(string.strip(body)) |
| 147 | + print """</TEXTAREA> |
| 148 | + <BR> |
| 149 | + <INPUT TYPE=submit VALUE="Review Edit"> |
| 150 | + <INPUT TYPE=hidden NAME=req VALUE=review> |
| 151 | + <INPUT TYPE=hidden NAME=name VALUE=%s> |
| 152 | + </FORM> |
| 153 | + <HR> |
| 154 | + """ % name |
| 155 | + self.show(name, headers, body) |
| 156 | + |
| 157 | + def do_review(self): |
| 158 | + name = self.name |
| 159 | + text = self.text |
| 160 | + commit = self.commit |
| 161 | + title = self.title |
| 162 | + if commit: |
| 163 | + self.precheckin(name, text, title) |
| 164 | + return |
| 165 | + headers, body = self.read(name) |
| 166 | + if not headers: |
| 167 | + print "Invalid file name", name |
| 168 | + return |
| 169 | + print """ |
| 170 | + <TITLE>Python FAQ Review Form</TITLE> |
| 171 | + <H1>Python FAQ Review Form</H1> |
| 172 | + """ |
| 173 | + self.show(name, {'title': title}, text) |
| 174 | + print """ |
| 175 | + <FORM METHOD=POST ACTION=faq.py> |
| 176 | + <INPUT TYPE=submit NAME=commit VALUE="Commit"> |
| 177 | + <P> |
| 178 | + <HR> |
| 179 | + """ |
| 180 | + self.showheaders(headers) |
| 181 | + print """ |
| 182 | + <INPUT TYPE=text SIZE=80 NAME=title VALUE="%s"<BR> |
| 183 | + <TEXTAREA COLS=80 ROWS=20 NAME=text>""" % title |
| 184 | + print cgi.escape(string.strip(text)) |
| 185 | + print """</TEXTAREA> |
| 186 | + <BR> |
| 187 | + <INPUT TYPE=submit VALUE="Review Edit"> |
| 188 | + <INPUT TYPE=hidden NAME=req VALUE=review> |
| 189 | + <INPUT TYPE=hidden NAME=name VALUE=%s> |
| 190 | + </FORM> |
| 191 | + <HR> |
| 192 | + """ % name |
| 193 | + |
| 194 | + def precheckin(self, name, text, title): |
| 195 | + pass |
| 196 | + |
| 197 | + def showheaders(self, headers): |
| 198 | + print "<UL>" |
| 199 | + keys = map(string.lower, headers.keys()) |
| 200 | + keys.sort() |
| 201 | + for key in keys: |
| 202 | + print "<LI><B>%s:</B> %s" % (string.capwords(key, '-'), |
| 203 | + headers[key] or '') |
| 204 | + print "</UL>" |
| 205 | + |
| 206 | + def read(self, name): |
| 207 | + import fnmatch, rfc822 |
| 208 | + if not fnmatch.fnmatch(name, NAMEPAT): |
| 209 | + return None, None |
| 210 | + f = open(name) |
| 211 | + headers = rfc822.Message(f) |
| 212 | + body = f.read() |
| 213 | + f.close() |
| 214 | + return headers, body |
| 215 | + |
| 216 | + def show(self, name, headers, body, edit=0): |
| 217 | + # XXX Should put <A> tags around recognizable URLs |
| 218 | + # XXX Should also turn "see section N" into hyperlinks |
| 219 | + title = headers['title'] |
| 220 | + print "<H2>%s</H2>" % title |
| 221 | + pre = 0 |
| 222 | + for line in string.split(body, '\n'): |
| 223 | + if not string.strip(line): |
| 224 | + if pre: |
| 225 | + print '</PRE>' |
| 226 | + pre = 0 |
| 227 | + else: |
| 228 | + print '<P>' |
| 229 | + else: |
| 230 | + if line == string.lstrip(line): |
| 231 | + if pre: |
| 232 | + print '</PRE>' |
| 233 | + pre = 0 |
| 234 | + else: |
| 235 | + if not pre: |
| 236 | + print '<PRE>' |
| 237 | + pre = 1 |
| 238 | + print line |
| 239 | + if pre: |
| 240 | + print '</PRE>' |
| 241 | + pre = 0 |
| 242 | + print '<P>' |
| 243 | + if edit: |
| 244 | + print '<A HREF="faq.py?req=edit&name=%s">Edit this entry</A>' %name |
| 245 | + print '<P>' |
| 246 | + print "<HR>" |
| 247 | + |
| 248 | + |
| 249 | +print "Content-type: text/html\n" |
| 250 | +try: |
| 251 | + x = FAQServer() |
| 252 | + x.main() |
| 253 | +except: |
| 254 | + print "<HR>Sorry, an error occurred" |
| 255 | + cgi.print_exception() |
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