2 # Copyright (C) 2000 James Troup <james@nocrew.org>
3 # $Id: utils.py,v 1.16 2001-03-02 02:45:01 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, apt_pkg
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 ######################################################################################
60 # Obsoleted by python >= 1.6
64 if c not in string.digits:
68 ######################################################################################
71 def extract_component_from_section(section):
74 if string.find(section, '/') != -1:
75 component = string.split(section, '/')[0];
76 if string.lower(component) == "non-us" and string.count(section, '/') > 0:
77 s = string.split(section, '/')[1];
78 if s == "main" or s == "non-free" or s == "contrib": # Avoid e.g. non-US/libs
79 component = string.split(section, '/')[0]+ '/' + string.split(section, '/')[1];
81 if string.lower(section) == "non-us":
82 component = "non-US/main";
86 elif string.lower(component) == "non-us":
87 component = "non-US/main";
89 return (section, component);
91 ######################################################################################
93 # dsc_whitespace_rules turns on strict format checking to avoid
94 # allowing in source packages which are unextracable by the
95 # inappropriately fragile dpkg-source.
100 # o The PGP header consists of "-----BEGIN PGP SIGNED MESSAGE-----"
101 # followed by any PGP header data and must end with a blank line.
103 # o The data section must end with a blank line and must be followed by
104 # "-----BEGIN PGP SIGNATURE-----".
106 def parse_changes(filename, dsc_whitespace_rules):
107 changes_in = open_file(filename,'r');
110 lines = changes_in.readlines();
113 raise changes_parse_error_exc, "[Empty changes file]";
115 # Reindex by line number so we can easily verify the format of
121 indexed_lines[index] = line[:-1];
123 inside_signature = 0;
125 indices = indexed_lines.keys()
127 while index < max(indices):
129 line = indexed_lines[index];
131 if dsc_whitespace_rules:
133 if index > max(indices):
134 raise invalid_dsc_format_exc, index;
135 line = indexed_lines[index];
136 if not re.match('^-----BEGIN PGP SIGNATURE', line):
137 raise invalid_dsc_format_exc, index;
138 inside_signature = 0;
140 if re.match('^-----BEGIN PGP SIGNATURE', line):
142 if re.match(r'^-----BEGIN PGP SIGNED MESSAGE', line):
143 if dsc_whitespace_rules:
144 inside_signature = 1;
145 while index < max(indices) and line != "":
147 line = indexed_lines[index];
149 slf = re.match(r'^(\S*)\s*:\s*(.*)', line);
151 field = string.lower(slf.groups()[0]);
152 changes[field] = slf.groups()[1];
154 mld = re.match(r'^ \.$', line);
156 changes[field] = changes[field] + '\n';
158 mlf = re.match(r'^\s(.*)', line);
160 changes[field] = changes[field] + mlf.groups()[0] + '\n';
162 error = error + line;
164 if dsc_whitespace_rules and inside_signature:
165 raise invalid_dsc_format_exc, index;
168 changes["filecontents"] = string.join (lines, "");
171 raise changes_parse_error_exc, error;
175 ######################################################################################
177 # Dropped support for 1.4 and ``buggy dchanges 3.4'' (?!) compared to di.pl
179 def build_file_list(changes, dsc):
181 format = changes.get("format", "")
183 format = float(format)
184 if dsc == "" and (format < 1.5 or format > 2.0):
185 raise nk_format_exc, changes["format"];
187 # No really, this has happened. Think 0 length .dsc file.
188 if not changes.has_key("files"):
191 for i in string.split(changes["files"], "\n"):
195 section = priority = "";
198 (md5, size, name) = s
200 (md5, size, section, priority, name) = s
202 raise changes_parse_error_exc, i
204 if section == "": section = "-"
205 if priority == "": priority = "-"
207 (section, component) = extract_component_from_section(section);
209 files[name] = { "md5sum" : md5,
212 "priority": priority,
213 "component": component }
217 ######################################################################################
219 # Fix the `Maintainer:' field to be an RFC822 compatible address.
220 # cf. Packaging Manual (4.2.4)
222 # 06:28|<Culus> 'The standard sucks, but my tool is supposed to
223 # interoperate with it. I know - I'll fix the suckage
224 # and make things incompatible!'
226 def fix_maintainer (maintainer):
227 m = re.match(r"^\s*(\S.*\S)\s*\<([^\> \t]+)\>", maintainer)
231 if m != None and len(m.groups()) == 2:
234 if re.search(r'[,.]', name) != None:
235 rfc822 = re.sub(r"^\s*(\S.*\S)\s*\<([^\> \t]+)\>", r"\2 (\1)", maintainer)
236 return (rfc822, name, email)
238 ######################################################################################
240 # sendmail wrapper, takes _either_ a message string or a file as arguments
241 def send_mail (message, filename):
242 #### FIXME, how do I get this out of Cnf in katie?
243 sendmail_command = "/usr/sbin/sendmail -odq -oi -t";
245 # Sanity check arguments
246 if message != "" and filename != "":
247 sys.stderr.write ("send_mail() can't be called with both arguments as non-null! (`%s' and `%s')\n%s" % (message, filename))
249 # If we've been passed a string dump it into a temporary file
251 filename = tempfile.mktemp()
252 fd = os.open(filename, os.O_RDWR|os.O_CREAT|os.O_EXCL, 0700)
253 os.write (fd, message)
256 (result, output) = commands.getstatusoutput("%s < %s" % (sendmail_command, filename))
258 sys.stderr.write ("Sendmail invocation (`%s') failed for `%s'!\n%s" % (sendmail_command, filename, output))
260 # Clean up any temporary files
264 ######################################################################################
266 def poolify (source, component):
268 component = component + '/';
269 # FIXME: this is nasty
270 component = string.lower(component);
271 component = string.replace(component, 'non-us/', 'non-US/');
272 if source[:3] == "lib":
273 return component + source[:4] + '/' + source + '/'
275 return component + source[:1] + '/' + source + '/'
277 ######################################################################################
279 def move (src, dest):
280 if os.path.exists(dest) and os.path.isdir(dest):
283 dest_dir = os.path.dirname(dest);
284 if not os.path.exists(dest_dir):
285 umask = os.umask(00000);
286 os.makedirs(dest_dir, 02775);
288 #print "Moving %s to %s..." % (src, dest);
289 if os.path.exists(dest) and os.path.isdir(dest):
290 dest = dest + '/' + os.path.basename(src);
291 # Check for overwrite permission on existent files
292 if os.path.exists(dest) and not os.access(dest, os.W_OK):
293 raise cant_overwrite_exc
294 shutil.copy2(src, dest);
295 os.chmod(dest, 0664);
298 def copy (src, dest):
299 if os.path.exists(dest) and os.path.isdir(dest):
302 dest_dir = os.path.dirname(dest);
303 if not os.path.exists(dest_dir):
304 umask = os.umask(00000);
305 os.makedirs(dest_dir, 02775);
307 #print "Copying %s to %s..." % (src, dest);
308 if os.path.exists(dest) and os.path.isdir(dest):
309 dest = dest + '/' + os.path.basename(src);
310 if os.path.exists(dest) and not os.access(dest, os.W_OK):
311 raise cant_overwrite_exc
312 shutil.copy2(src, dest);
313 os.chmod(dest, 0664);
315 ######################################################################################
317 # FIXME: this is inherently nasty. Can't put this mapping in a conf
318 # file because the conf file depends on the archive.. doh. Maybe an
319 # archive independent conf file is needed.
322 res = socket.gethostbyaddr(socket.gethostname());
323 if res[0] == 'pandora.debian.org':
325 elif res[0] == 'auric.debian.org':
328 raise unknown_hostname_exc, res;
330 ######################################################################################
332 # FIXME: this isn't great either.
334 def which_conf_file ():
335 archive = where_am_i ();
336 if archive == 'non-US':
337 return '/org/non-us.debian.org/katie/katie.conf-non-US';
338 elif archive == 'ftp-master':
339 return '/org/ftp.debian.org/katie/katie.conf';
341 raise unknown_hostname_exc, archive
343 # FIXME: if the above isn't great, this can't be either :)
345 def which_apt_conf_file ():
346 archive = where_am_i ();
347 if archive == 'non-US':
348 return '/org/non-us.debian.org/katie/apt.conf-non-US';
349 elif archive == 'ftp-master':
350 return '/org/ftp.debian.org/katie/apt.conf';
352 raise unknown_hostname_exc, archive
354 ######################################################################################
356 # Escape characters which have meaning to SQL's regex comparison operator ('~')
357 # (woefully incomplete)
360 s = string.replace(s, '+', '\\\\+');
363 ######################################################################################
373 return ("%d%s" % (c, t))