2 # Copyright (C) 2000 James Troup <james@nocrew.org>
3 # $Id: utils.py,v 1.14 2001-02-04 04:28:34 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, 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 ######################################################################################
61 def extract_component_from_section(section):
64 if string.find(section, '/') != -1:
65 component = string.split(section, '/')[0];
66 if string.lower(component) == "non-us" and string.count(section, '/') > 0:
67 s = string.split(section, '/')[1];
68 if s == "main" or s == "non-free" or s == "contrib": # Avoid e.g. non-US/libs
69 component = string.split(section, '/')[0]+ '/' + string.split(section, '/')[1];
71 if string.lower(section) == "non-us":
72 component = "non-US/main";
76 elif string.lower(component) == "non-us":
77 component = "non-US/main";
79 return (section, component);
81 ######################################################################################
83 # dsc_whitespace_rules turns on strict format checking to avoid
84 # allowing in source packages which are unextracable by the
85 # inappropriately fragile dpkg-source.
90 # o The PGP header consists of "-----BEGIN PGP SIGNED MESSAGE-----"
91 # followed by any PGP header data and must end with a blank line.
93 # o The data section must end with a blank line and must be followed by
94 # "-----BEGIN PGP SIGNATURE-----".
96 def parse_changes(filename, dsc_whitespace_rules):
97 changes_in = open_file(filename,'r');
100 lines = changes_in.readlines();
102 # Reindex by line number so we can easily verify the format of
108 indexed_lines[index] = line[:-1];
110 inside_signature = 0;
112 indices = indexed_lines.keys()
114 while index < max(indices):
116 line = indexed_lines[index];
118 if dsc_whitespace_rules:
120 if index > max(indices):
121 raise invalid_dsc_format_exc, index;
122 line = indexed_lines[index];
123 if not re.match('^-----BEGIN PGP SIGNATURE', line):
124 raise invalid_dsc_format_exc, index;
125 inside_signature = 0;
127 if re.match('^-----BEGIN PGP SIGNATURE', line):
129 if re.match(r'^-----BEGIN PGP SIGNED MESSAGE', line):
130 if dsc_whitespace_rules:
131 inside_signature = 1;
132 while index < max(indices) and line != "":
134 line = indexed_lines[index];
136 slf = re.match(r'^(\S*)\s*:\s*(.*)', line);
138 field = string.lower(slf.groups()[0]);
139 changes[field] = slf.groups()[1];
141 mld = re.match(r'^ \.$', line);
143 changes[field] = changes[field] + '\n';
145 mlf = re.match(r'^\s(.*)', line);
147 changes[field] = changes[field] + mlf.groups()[0] + '\n';
149 error = error + line;
151 if dsc_whitespace_rules and inside_signature:
152 raise invalid_dsc_format_exc, index;
155 changes["filecontents"] = string.join (lines, "");
158 raise changes_parse_error_exc, error;
162 ######################################################################################
164 # Dropped support for 1.4 and ``buggy dchanges 3.4'' (?!) compared to di.pl
166 def build_file_list(changes, dsc):
168 format = changes.get("format", "")
170 format = float(format)
171 if dsc == "" and (format < 1.5 or format > 2.0):
172 raise nk_format_exc, changes["format"];
174 # No really, this has happened. Think 0 length .dsc file.
175 if not changes.has_key("files"):
178 for i in string.split(changes["files"], "\n"):
182 section = priority = "";
185 (md5, size, name) = s
187 (md5, size, section, priority, name) = s
189 raise changes_parse_error_exc, i
191 if section == "": section = "-"
192 if priority == "": priority = "-"
194 (section, component) = extract_component_from_section(section);
196 files[name] = { "md5sum" : md5,
199 "priority": priority,
200 "component": component }
204 ######################################################################################
206 # Fix the `Maintainer:' field to be an RFC822 compatible address.
207 # cf. Packaging Manual (4.2.4)
209 # 06:28|<Culus> 'The standard sucks, but my tool is supposed to
210 # interoperate with it. I know - I'll fix the suckage
211 # and make things incompatible!'
213 def fix_maintainer (maintainer):
214 m = re.match(r"^\s*(\S.*\S)\s*\<([^\> \t]+)\>", maintainer)
218 if m != None and len(m.groups()) == 2:
221 if re.search(r'[,.]', name) != None:
222 rfc822 = re.sub(r"^\s*(\S.*\S)\s*\<([^\> \t]+)\>", r"\2 (\1)", maintainer)
223 return (rfc822, name, email)
225 ######################################################################################
227 # sendmail wrapper, takes _either_ a message string or a file as arguments
228 def send_mail (message, filename):
229 #### FIXME, how do I get this out of Cnf in katie?
230 sendmail_command = "/usr/sbin/sendmail -odq -oi -t";
232 # Sanity check arguments
233 if message != "" and filename != "":
234 sys.stderr.write ("send_mail() can't be called with both arguments as non-null! (`%s' and `%s')\n%s" % (message, filename))
236 # If we've been passed a string dump it into a temporary file
238 filename = tempfile.mktemp()
239 fd = os.open(filename, os.O_RDWR|os.O_CREAT|os.O_EXCL, 0700)
240 os.write (fd, message)
243 (result, output) = commands.getstatusoutput("%s < %s" % (sendmail_command, filename))
245 sys.stderr.write ("Sendmail invocation (`%s') failed for `%s'!\n%s" % (sendmail_command, filename, output))
247 # Clean up any temporary files
251 ######################################################################################
253 def poolify (source, component):
255 component = component + '/';
256 # FIXME: this is nasty
257 component = string.lower(component);
258 component = string.replace(component, 'non-us/', 'non-US/');
259 if source[:3] == "lib":
260 return component + source[:4] + '/' + source + '/'
262 return component + source[:1] + '/' + source + '/'
264 ######################################################################################
266 def move (src, dest):
267 if os.path.exists(dest) and os.path.isdir(dest):
270 dest_dir = os.path.dirname(dest);
271 if not os.path.exists(dest_dir):
272 umask = os.umask(00000);
273 os.makedirs(dest_dir, 02775);
275 #print "Moving %s to %s..." % (src, dest);
276 if os.path.exists(dest) and os.path.isdir(dest):
277 dest = dest + '/' + os.path.basename(src);
278 # Check for overwrite permission on existent files
279 if os.path.exists(dest) and not os.access(dest, os.W_OK):
280 raise cant_overwrite_exc
281 shutil.copy2(src, dest);
282 os.chmod(dest, 0664);
285 def copy (src, dest):
286 if os.path.exists(dest) and os.path.isdir(dest):
289 dest_dir = os.path.dirname(dest);
290 if not os.path.exists(dest_dir):
291 umask = os.umask(00000);
292 os.makedirs(dest_dir, 02775);
294 #print "Copying %s to %s..." % (src, dest);
295 if os.path.exists(dest) and os.path.isdir(dest):
296 dest = dest + '/' + os.path.basename(src);
297 if os.path.exists(dest) and not os.access(dest, os.W_OK):
298 raise cant_overwrite_exc
299 shutil.copy2(src, dest);
300 os.chmod(dest, 0664);
302 ######################################################################################
304 # FIXME: this is inherently nasty. Can't put this mapping in a conf
305 # file because the conf file depends on the archive.. doh. Maybe an
306 # archive independent conf file is needed.
309 res = socket.gethostbyaddr(socket.gethostname());
310 if res[0] == 'pandora.debian.org':
312 elif res[0] == 'auric.debian.org':
315 raise unknown_hostname_exc, res;
317 ######################################################################################
319 # FIXME: this isn't great either.
321 def which_conf_file ():
322 archive = where_am_i ();
323 if archive == 'non-US':
324 return '/org/non-us.debian.org/katie/katie.conf-non-US';
325 elif archive == 'ftp-master':
326 return '/org/ftp.debian.org/katie/katie.conf';
328 raise unknown_hostname_exc, archive
330 ######################################################################################
332 # Escape characters which have meaning to SQL's regex comparison operator ('~')
333 # (woefully incomplete)
336 s = string.replace(s, '+', '\\\\+');
339 ######################################################################################
349 return ("%d%s" % (c, t))