# Utility functions
# Copyright (C) 2000 James Troup <james@nocrew.org>
-# $Id: utils.py,v 1.17 2001-03-02 02:46:57 troup Exp $
+# $Id: utils.py,v 1.26 2001-06-10 16:35:03 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";
cant_open_exc = "Can't read file.";
unknown_hostname_exc = "Unknown hostname";
cant_overwrite_exc = "Permission denied; can't overwrite existent file."
-
+file_exists_exc = "Destination file exists";
+send_mail_invalid_args_exc = "Both arguments are non-null.";
+sendmail_failed_exc = "Sendmail invocation failed";
+
+# Valid components; used by extract_component_from_section() because
+# it doesn't know about Conf from it's caller. FIXME
+
+valid_components = {
+ "main": "",
+ "contrib": "",
+ "non-free": ""
+ };
+
######################################################################################
def open_file(filename, mode):
######################################################################################
-# What a mess. FIXME
+# Prefix and components hardcoded into this like a good'un; need to unhardcod at some
+# stage. [FIXME]
+
def extract_component_from_section(section):
component = "";
component = string.split(section, '/')[0];
if string.lower(component) == "non-us" and string.count(section, '/') > 0:
s = string.split(section, '/')[1];
- if s == "main" or s == "non-free" or s == "contrib": # Avoid e.g. non-US/libs
+ if valid_components.has_key(s): # Avoid e.g. non-US/libs
component = string.split(section, '/')[0]+ '/' + string.split(section, '/')[1];
if string.lower(section) == "non-us":
component = "non-US/main";
-
+
+ # non-US prefix is case insensitive
+ if string.lower(component)[:6] == "non-us":
+ component = "non-US"+component[6:];
+
+ # Expand default component
if component == "":
- component = "main";
- elif string.lower(component) == "non-us":
+ if valid_components.has_key(section):
+ component = section;
+ else:
+ component = "main";
+ elif component == "non-US":
component = "non-US/main";
return (section, component);
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)
######################################################################################
# Sanity check arguments
if message != "" and filename != "":
- sys.stderr.write ("send_mail() can't be called with both arguments as non-null! (`%s' and `%s')\n%s" % (message, filename))
- sys.exit(1)
+ raise send_mail_invalid_args_exc;
+
# If we've been passed a string dump it into a temporary file
if message != "":
- filename = tempfile.mktemp()
- fd = os.open(filename, os.O_RDWR|os.O_CREAT|os.O_EXCL, 0700)
- os.write (fd, message)
- os.close (fd)
+ filename = tempfile.mktemp();
+ fd = os.open(filename, os.O_RDWR|os.O_CREAT|os.O_EXCL, 0700);
+ os.write (fd, message);
+ os.close (fd);
+
# Invoke sendmail
- (result, output) = commands.getstatusoutput("%s < %s" % (sendmail_command, filename))
+ (result, output) = commands.getstatusoutput("%s < %s" % (sendmail_command, filename));
if (result != 0):
- sys.stderr.write ("Sendmail invocation (`%s') failed for `%s'!\n%s" % (sendmail_command, filename, output))
- sys.exit(result)
+ raise sendmail_failed_exc, output;
+
# Clean up any temporary files
if message !="":
- os.unlink (filename)
+ os.unlink (filename);
######################################################################################
######################################################################################
-def move (src, dest):
+def move (src, dest, overwrite = 0):
if os.path.exists(dest) and os.path.isdir(dest):
dest_dir = dest;
else:
#print "Moving %s to %s..." % (src, dest);
if os.path.exists(dest) and os.path.isdir(dest):
dest = dest + '/' + os.path.basename(src);
- # Check for overwrite permission on existent files
- if os.path.exists(dest) and not os.access(dest, os.W_OK):
- raise cant_overwrite_exc
+ # Don't overwrite unless forced to
+ if os.path.exists(dest):
+ if not overwrite:
+ raise file_exists_exc;
+ else:
+ if not os.access(dest, os.W_OK):
+ raise cant_overwrite_exc
shutil.copy2(src, dest);
os.chmod(dest, 0664);
os.unlink(src);
-def copy (src, dest):
+def copy (src, dest, overwrite = 0):
if os.path.exists(dest) and os.path.isdir(dest):
dest_dir = dest;
else:
#print "Copying %s to %s..." % (src, dest);
if os.path.exists(dest) and os.path.isdir(dest):
dest = dest + '/' + os.path.basename(src);
- if os.path.exists(dest) and not os.access(dest, os.W_OK):
- raise cant_overwrite_exc
+ # Don't overwrite unless forced to
+ if os.path.exists(dest):
+ if not overwrite:
+ raise file_exists_exc
+ else:
+ if not os.access(dest, os.W_OK):
+ raise cant_overwrite_exc
shutil.copy2(src, dest);
os.chmod(dest, 0664);
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);
+
+################################################################################