2 # Copyright (C) 2000 James Troup <james@nocrew.org>
3 # $Id: utils.py,v 1.22 2001-05-17 01:17:54 troup Exp $
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 2 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write to the Free Software
17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 import commands, os, pwd, re, socket, shutil, stat, string, sys, tempfile
21 re_comments = re.compile(r"\#.*")
22 re_no_epoch = re.compile(r"^\d*\:")
23 re_no_revision = re.compile(r"\-[^-]*$")
24 re_arch_from_filename = re.compile(r"/binary-[^/]+/")
25 re_extract_src_version = re.compile (r"(\S+)\s*\((.*)\)")
26 re_isadeb = re.compile (r'.*\.u?deb$');
27 re_issource = re.compile (r'(.+)_(.+?)\.(orig\.tar\.gz|diff\.gz|tar\.gz|dsc)');
29 changes_parse_error_exc = "Can't parse line in .changes file";
30 invalid_dsc_format_exc = "Invalid .dsc file";
31 nk_format_exc = "Unknown Format: in .changes file";
32 no_files_exc = "No Files: field in .dsc file.";
33 cant_open_exc = "Can't read file.";
34 unknown_hostname_exc = "Unknown hostname";
35 cant_overwrite_exc = "Permission denied; can't overwrite existent file."
37 ######################################################################################
39 def open_file(filename, mode):
41 f = open(filename, mode);
43 raise cant_open_exc, filename
46 ######################################################################################
55 sys.stderr.write('\nUser interrupt (^D).\n')
58 ######################################################################################
62 if c not in string.digits:
66 ######################################################################################
69 def extract_component_from_section(section):
72 if string.find(section, '/') != -1:
73 component = string.split(section, '/')[0];
74 if string.lower(component) == "non-us" and string.count(section, '/') > 0:
75 s = string.split(section, '/')[1];
76 if s == "main" or s == "non-free" or s == "contrib": # Avoid e.g. non-US/libs
77 component = string.split(section, '/')[0]+ '/' + string.split(section, '/')[1];
79 if string.lower(section) == "non-us":
80 component = "non-US/main";
84 elif string.lower(component) == "non-us":
85 component = "non-US/main";
87 return (section, component);
89 ######################################################################################
91 # dsc_whitespace_rules turns on strict format checking to avoid
92 # allowing in source packages which are unextracable by the
93 # inappropriately fragile dpkg-source.
98 # o The PGP header consists of "-----BEGIN PGP SIGNED MESSAGE-----"
99 # followed by any PGP header data and must end with a blank line.
101 # o The data section must end with a blank line and must be followed by
102 # "-----BEGIN PGP SIGNATURE-----".
104 def parse_changes(filename, dsc_whitespace_rules):
105 changes_in = open_file(filename,'r');
108 lines = changes_in.readlines();
111 raise changes_parse_error_exc, "[Empty changes file]";
113 # Reindex by line number so we can easily verify the format of
119 indexed_lines[index] = line[:-1];
121 inside_signature = 0;
123 indices = indexed_lines.keys()
125 while index < max(indices):
127 line = indexed_lines[index];
129 if dsc_whitespace_rules:
131 if index > max(indices):
132 raise invalid_dsc_format_exc, index;
133 line = indexed_lines[index];
134 if not re.match('^-----BEGIN PGP SIGNATURE', line):
135 raise invalid_dsc_format_exc, index;
136 inside_signature = 0;
138 if re.match('^-----BEGIN PGP SIGNATURE', line):
140 if re.match(r'^-----BEGIN PGP SIGNED MESSAGE', line):
141 if dsc_whitespace_rules:
142 inside_signature = 1;
143 while index < max(indices) and line != "":
145 line = indexed_lines[index];
147 slf = re.match(r'^(\S*)\s*:\s*(.*)', line);
149 field = string.lower(slf.groups()[0]);
150 changes[field] = slf.groups()[1];
153 mld = re.match(r'^ \.$', line);
155 changes[field] = changes[field] + '\n';
157 mlf = re.match(r'^\s(.*)', line);
159 if first == 1 and changes[field] != "":
160 changes[field] = changes[field] + '\n';
162 changes[field] = changes[field] + mlf.groups()[0] + '\n';
164 error = error + line;
166 if dsc_whitespace_rules and inside_signature:
167 raise invalid_dsc_format_exc, index;
170 changes["filecontents"] = string.join (lines, "");
173 raise changes_parse_error_exc, error;
177 ######################################################################################
179 # Dropped support for 1.4 and ``buggy dchanges 3.4'' (?!) compared to di.pl
181 def build_file_list(changes, dsc):
183 format = changes.get("format", "")
185 format = float(format)
186 if dsc == "" and (format < 1.5 or format > 2.0):
187 raise nk_format_exc, changes["format"];
189 # No really, this has happened. Think 0 length .dsc file.
190 if not changes.has_key("files"):
193 for i in string.split(changes["files"], "\n"):
197 section = priority = "";
200 (md5, size, name) = s
202 (md5, size, section, priority, name) = s
204 raise changes_parse_error_exc, i
206 if section == "": section = "-"
207 if priority == "": priority = "-"
209 (section, component) = extract_component_from_section(section);
211 files[name] = { "md5sum" : md5,
214 "priority": priority,
215 "component": component }
219 ######################################################################################
221 # Fix the `Maintainer:' field to be an RFC822 compatible address.
222 # cf. Packaging Manual (4.2.4)
224 # 06:28|<Culus> 'The standard sucks, but my tool is supposed to
225 # interoperate with it. I know - I'll fix the suckage
226 # and make things incompatible!'
228 def fix_maintainer (maintainer):
229 m = re.match(r"^\s*(\S.*\S)\s*\<([^\> \t]+)\>", maintainer)
233 if m != None and len(m.groups()) == 2:
236 if re.search(r'[,.]', name) != None:
237 rfc822 = re.sub(r"^\s*(\S.*\S)\s*\<([^\> \t]+)\>", r"\2 (\1)", maintainer)
238 return (rfc822, name, email)
240 ######################################################################################
242 # sendmail wrapper, takes _either_ a message string or a file as arguments
243 def send_mail (message, filename):
244 #### FIXME, how do I get this out of Cnf in katie?
245 sendmail_command = "/usr/sbin/sendmail -odq -oi -t";
247 # Sanity check arguments
248 if message != "" and filename != "":
249 sys.stderr.write ("send_mail() can't be called with both arguments as non-null! (`%s' and `%s')\n%s" % (message, filename))
251 # If we've been passed a string dump it into a temporary file
253 filename = tempfile.mktemp()
254 fd = os.open(filename, os.O_RDWR|os.O_CREAT|os.O_EXCL, 0700)
255 os.write (fd, message)
258 (result, output) = commands.getstatusoutput("%s < %s" % (sendmail_command, filename))
260 sys.stderr.write ("Sendmail invocation (`%s') failed for `%s'!\n%s" % (sendmail_command, filename, output))
262 # Clean up any temporary files
266 ######################################################################################
268 def poolify (source, component):
270 component = component + '/';
271 # FIXME: this is nasty
272 component = string.lower(component);
273 component = string.replace(component, 'non-us/', 'non-US/');
274 if source[:3] == "lib":
275 return component + source[:4] + '/' + source + '/'
277 return component + source[:1] + '/' + source + '/'
279 ######################################################################################
281 def move (src, dest):
282 if os.path.exists(dest) and os.path.isdir(dest):
285 dest_dir = os.path.dirname(dest);
286 if not os.path.exists(dest_dir):
287 umask = os.umask(00000);
288 os.makedirs(dest_dir, 02775);
290 #print "Moving %s to %s..." % (src, dest);
291 if os.path.exists(dest) and os.path.isdir(dest):
292 dest = dest + '/' + os.path.basename(src);
293 # Check for overwrite permission on existent files
294 if os.path.exists(dest) and not os.access(dest, os.W_OK):
295 raise cant_overwrite_exc
296 shutil.copy2(src, dest);
297 os.chmod(dest, 0664);
300 def copy (src, dest):
301 if os.path.exists(dest) and os.path.isdir(dest):
304 dest_dir = os.path.dirname(dest);
305 if not os.path.exists(dest_dir):
306 umask = os.umask(00000);
307 os.makedirs(dest_dir, 02775);
309 #print "Copying %s to %s..." % (src, dest);
310 if os.path.exists(dest) and os.path.isdir(dest):
311 dest = dest + '/' + os.path.basename(src);
312 if os.path.exists(dest) and not os.access(dest, os.W_OK):
313 raise cant_overwrite_exc
314 shutil.copy2(src, dest);
315 os.chmod(dest, 0664);
317 ######################################################################################
319 # FIXME: this is inherently nasty. Can't put this mapping in a conf
320 # file because the conf file depends on the archive.. doh. Maybe an
321 # archive independent conf file is needed.
324 res = socket.gethostbyaddr(socket.gethostname());
325 if res[0] == 'pandora.debian.org':
327 elif res[0] == 'auric.debian.org':
330 raise unknown_hostname_exc, res;
332 ######################################################################################
334 # FIXME: this isn't great either.
336 def which_conf_file ():
337 archive = where_am_i ();
338 if archive == 'non-US':
339 return '/org/non-us.debian.org/katie/katie.conf-non-US';
340 elif archive == 'ftp-master':
341 return '/org/ftp.debian.org/katie/katie.conf';
343 raise unknown_hostname_exc, archive
345 # FIXME: if the above isn't great, this can't be either :)
347 def which_apt_conf_file ():
348 archive = where_am_i ();
349 if archive == 'non-US':
350 return '/org/non-us.debian.org/katie/apt.conf-non-US';
351 elif archive == 'ftp-master':
352 return '/org/ftp.debian.org/katie/apt.conf';
354 raise unknown_hostname_exc, archive
356 ######################################################################################
358 # Escape characters which have meaning to SQL's regex comparison operator ('~')
359 # (woefully incomplete)
362 s = string.replace(s, '+', '\\\\+');
363 s = string.replace(s, '.', '\\\\.');
366 ######################################################################################
368 # Perform a substition of template
369 def TemplateSubst(Map,Template):
371 Template = string.replace(Template,x,Map[x]);
374 ######################################################################################
376 def fubar(msg, exit_code=1):
377 sys.stderr.write("E: %s\n" % (msg));
381 sys.stderr.write("W: %s\n" % (msg));
383 ######################################################################################
385 # Returns the user name with a laughable attempt at rfc822 conformancy
386 # (read: removing stray periods).
388 return string.replace(string.split(pwd.getpwuid(os.getuid())[4],',')[0], '.', '');
390 ######################################################################################
400 return ("%d%s" % (c, t))