# Utility functions
# Copyright (C) 2000 James Troup <james@nocrew.org>
-# $Id: utils.py,v 1.14 2001-02-04 04:28:34 troup Exp $
+# $Id: utils.py,v 1.23 2001-05-24 18:56:23 troup Exp $
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-import commands, os, re, socket, shutil, stat, string, sys, tempfile
+import commands, os, pwd, re, socket, shutil, stat, string, sys, tempfile
+import apt_pkg
re_comments = re.compile(r"\#.*")
re_no_epoch = re.compile(r"^\d*\:")
re_no_revision = re.compile(r"\-[^-]*$")
re_arch_from_filename = re.compile(r"/binary-[^/]+/")
re_extract_src_version = re.compile (r"(\S+)\s*\((.*)\)")
-re_isadeb = re.compile (r'.*\.u?deb$');
-re_issource = re.compile (r'(.+)_(.+?)\.(orig\.tar\.gz|diff\.gz|tar\.gz|dsc)');
+re_isadeb = re.compile (r".*\.u?deb$");
+re_issource = re.compile (r"(.+)_(.+?)\.(orig\.tar\.gz|diff\.gz|tar\.gz|dsc)");
+
+re_begin_pgp_signature = re.compile("^-----BEGIN PGP SIGNATURE");
+re_begin_pgp_signed_msg = re.compile("^-----BEGIN PGP SIGNED MESSAGE");
+re_single_line_field = re.compile(r"^(\S*)\s*:\s*(.*)");
+re_multi_line_description = re.compile(r"^ \.$");
+re_multi_line_field = re.compile(r"^\s(.*)");
+
+re_parse_maintainer = re.compile(r"^\s*(\S.*\S)\s*\<([^\> \t]+)\>");
changes_parse_error_exc = "Can't parse line in .changes file";
invalid_dsc_format_exc = "Invalid .dsc file";
######################################################################################
+def str_isnum (s):
+ for c in s:
+ if c not in string.digits:
+ return 0;
+ return 1;
+
+######################################################################################
+
# What a mess. FIXME
def extract_component_from_section(section):
component = "";
changes = {};
lines = changes_in.readlines();
+ if lines == []:
+ raise changes_parse_error_exc, "[Empty changes file]";
+
# Reindex by line number so we can easily verify the format of
# .dsc files...
index = 0;
if index > max(indices):
raise invalid_dsc_format_exc, index;
line = indexed_lines[index];
- if not re.match('^-----BEGIN PGP SIGNATURE', line):
+ if not re_begin_pgp_signature.match(line):
raise invalid_dsc_format_exc, index;
inside_signature = 0;
break;
- if re.match('^-----BEGIN PGP SIGNATURE', line):
+ if re_begin_pgp_signature.match(line):
break;
- if re.match(r'^-----BEGIN PGP SIGNED MESSAGE', line):
+ if re_begin_pgp_signed_msg.match(line):
if dsc_whitespace_rules:
inside_signature = 1;
while index < max(indices) and line != "":
index = index + 1;
line = indexed_lines[index];
continue;
- slf = re.match(r'^(\S*)\s*:\s*(.*)', line);
+ slf = re_single_line_field.match(line);
if slf:
field = string.lower(slf.groups()[0]);
changes[field] = slf.groups()[1];
+ first = 1;
continue;
- mld = re.match(r'^ \.$', line);
+ mld = re_multi_line_description.match(line);
if mld:
changes[field] = changes[field] + '\n';
continue;
- mlf = re.match(r'^\s(.*)', line);
+ mlf = re_multi_line_field.match(line);
if mlf:
+ if first == 1 and changes[field] != "":
+ changes[field] = changes[field] + '\n';
+ first = 0;
changes[field] = changes[field] + mlf.groups()[0] + '\n';
continue;
error = error + line;
# and make things incompatible!'
def fix_maintainer (maintainer):
- m = re.match(r"^\s*(\S.*\S)\s*\<([^\> \t]+)\>", maintainer)
+ m = re_parse_maintainer.match(maintainer);
rfc822 = maintainer
name = ""
email = ""
if m != None and len(m.groups()) == 2:
name = m.group(1)
email = m.group(2)
- if re.search(r'[,.]', name) != None:
- rfc822 = re.sub(r"^\s*(\S.*\S)\s*\<([^\> \t]+)\>", r"\2 (\1)", maintainer)
+ if string.find(name, ',') != -1 or string.find(name, '.') != -1:
+ rfc822 = re_parse_maintainer.sub(r"\2 (\1)", maintainer)
return (rfc822, name, email)
######################################################################################
else:
raise unknown_hostname_exc, archive
+# FIXME: if the above isn't great, this can't be either :)
+
+def which_apt_conf_file ():
+ archive = where_am_i ();
+ if archive == 'non-US':
+ return '/org/non-us.debian.org/katie/apt.conf-non-US';
+ elif archive == 'ftp-master':
+ return '/org/ftp.debian.org/katie/apt.conf';
+ else:
+ raise unknown_hostname_exc, archive
+
######################################################################################
# Escape characters which have meaning to SQL's regex comparison operator ('~')
def regex_safe (s):
s = string.replace(s, '+', '\\\\+');
+ s = string.replace(s, '.', '\\\\.');
return s
######################################################################################
+# Perform a substition of template
+def TemplateSubst(Map,Template):
+ for x in Map.keys():
+ Template = string.replace(Template,x,Map[x]);
+ return Template;
+
+######################################################################################
+
+def fubar(msg, exit_code=1):
+ sys.stderr.write("E: %s\n" % (msg));
+ sys.exit(exit_code);
+
+def warn(msg):
+ sys.stderr.write("W: %s\n" % (msg));
+
+######################################################################################
+
+# Returns the user name with a laughable attempt at rfc822 conformancy
+# (read: removing stray periods).
+def whoami ():
+ return string.replace(string.split(pwd.getpwuid(os.getuid())[4],',')[0], '.', '');
+
+######################################################################################
+
def size_type (c):
t = " b";
if c > 10000:
c = c / 1000;
t = " Mb";
return ("%d%s" % (c, t))
+
+################################################################################
+
+def cc_fix_changes (changes):
+ o = changes.get("architecture", "")
+ if o != "":
+ del changes["architecture"]
+ changes["architecture"] = {}
+ for j in string.split(o):
+ changes["architecture"][j] = 1
+
+# Sort by 'have source', by source name, by source version number, by filename
+
+def changes_compare (a, b):
+ try:
+ a_changes = parse_changes(a, 0)
+ except changes_parse_error_exc, line:
+ return -1;
+
+ try:
+ b_changes = parse_changes(b, 0)
+ except changes_parse_error_exc, line:
+ return 1;
+
+ cc_fix_changes (a_changes);
+ cc_fix_changes (b_changes);
+
+ # Sort by 'have source'
+
+ a_has_source = a_changes["architecture"].get("source")
+ b_has_source = b_changes["architecture"].get("source")
+ if a_has_source and not b_has_source:
+ return -1;
+ elif b_has_source and not a_has_source:
+ return 1;
+
+ # Sort by source name
+
+ a_source = a_changes.get("source");
+ b_source = b_changes.get("source");
+ q = cmp (a_source, b_source);
+ if q:
+ return q;
+
+ # Sort by source version
+
+ a_version = a_changes.get("version");
+ b_version = b_changes.get("version");
+ q = apt_pkg.VersionCompare(a_version, b_version);
+ if q:
+ return q
+
+ # Fall back to sort by filename
+
+ return cmp(a, b);
+
+################################################################################