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From 63750f1be96ad08c407193b08bf3b9ee74310e2d Mon Sep 17 00:00:00 2001
From: "Jan Alexander Steffens (heftig)" <jan.steffens@gmail.com>
Date: Tue, 11 Jul 2017 21:52:37 +0200
Subject: [PATCH] avahi-python: Use the agnostic DBM interface
Also fixes configure failing if Python 3 is the build python and GDBM is
enabled, since Py3 only has anydbm under the name of 'dbm'.
Not enough to make ServiceTypeDatabase.py compatible with Py3, but it's
a start.
---
avahi-python/avahi/Makefile.am | 15 +--------
avahi-python/avahi/ServiceTypeDatabase.py.in | 33 ++++++++++++++-----
configure.ac | 9 +++--
service-type-database/.gitignore | 1 -
service-type-database/Makefile.am | 18 +++-------
.../{build-db.in => build-db} | 13 +++++---
6 files changed, 42 insertions(+), 47 deletions(-)
rename service-type-database/{build-db.in => build-db} (87%)
diff --git a/avahi-python/avahi/Makefile.am b/avahi-python/avahi/Makefile.am
index 3eb67d0d..c906b9bf 100644
--- a/avahi-python/avahi/Makefile.am
+++ b/avahi-python/avahi/Makefile.am
@@ -25,29 +25,16 @@ avahidir = $(pythondir)/avahi
if HAVE_GDBM
nodist_avahi_SCRIPTS = ServiceTypeDatabase.py
-
-ServiceTypeDatabase.py: ServiceTypeDatabase.py.in
- $(AM_V_GEN)sed -e 's,@PYTHON\@,$(PYTHON),g' \
- -e 's,@DBM\@,gdbm,g' \
- -e 's,@FIRST_KEY\@,key = self.db.firstkey(),g' \
- -e 's,@CHECK_KEY\@,while key is not None:,g' \
- -e 's,@NEXT_KEY\@,key = self.db.nextkey(key),g' \
- -e 's,@pkglibdatadir\@,$(pkglibdatadir),g' $< > $@ && \
- chmod +x $@
endif
if HAVE_DBM
nodist_avahi_SCRIPTS = ServiceTypeDatabase.py
+endif
ServiceTypeDatabase.py: ServiceTypeDatabase.py.in
$(AM_V_GEN)sed -e 's,@PYTHON\@,$(PYTHON),g' \
- -e 's,@DBM\@,dbm,g' \
- -e 's,@FIRST_KEY\@,keys = self.db.keys(),g' \
- -e 's,@CHECK_KEY\@,for key in keys:,g' \
- -e 's,@NEXT_KEY\@,,g' \
-e 's,@pkglibdatadir\@,$(pkglibdatadir),g' $< > $@ && \
chmod +x $@
-endif
avahi_PYTHON = $(avahi_SCRIPTS)
diff --git a/avahi-python/avahi/ServiceTypeDatabase.py.in b/avahi-python/avahi/ServiceTypeDatabase.py.in
index 4ddd6544..d7f9969b 100644
--- a/avahi-python/avahi/ServiceTypeDatabase.py.in
+++ b/avahi-python/avahi/ServiceTypeDatabase.py.in
@@ -17,7 +17,11 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA.
-import @DBM@
+try:
+ import anydbm as dbm
+except ImportError:
+ import dbm
+
import locale
import re
@@ -28,7 +32,7 @@ class ServiceTypeDatabase:
def __init__(self, filename = "@pkglibdatadir@/service-types.db"):
- self.db = @DBM@.open(filename, "r")
+ self.db = dbm.open(filename, "r")
l = locale.getlocale(locale.LC_MESSAGES)
@@ -90,13 +94,24 @@ class ServiceTypeDatabase:
def __iter__(self):
- @FIRST_KEY@
- @CHECK_KEY@
-
- if re.search('_[a-zA-Z0-9-]+\._[a-zA-Z0-9-]+', key) and not re.search('_[a-zA-Z0-9-]+\._[a-zA-Z0-9-]+\[.*\]', key):
- yield key
-
- @NEXT_KEY@
+ def want_key(key):
+ if not re.search('_[a-zA-Z0-9-]+\._[a-zA-Z0-9-]+', key):
+ return False
+ if re.search('_[a-zA-Z0-9-]+\._[a-zA-Z0-9-]+\[.*\]', key):
+ return False
+ return True
+
+ try:
+ key = self.db.firstkey()
+ except AttributeError:
+ for key in self.db.keys():
+ if want_key(key):
+ yield key
+ else:
+ while key is not None:
+ if want_key(key):
+ yield key
+ key = self.db.nextkey(key)
def __len__(self):
diff --git a/configure.ac b/configure.ac
index 66789718..fbbf7cf3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -824,11 +824,10 @@ if test "x$HAVE_PYTHON" = "xyes" ; then
fi
AM_CHECK_PYMOD(socket,,,[AC_MSG_ERROR(Could not find Python module socket)])
- if test "x$HAVE_GDBM" = "xyes"; then
- AM_CHECK_PYMOD(gdbm,,,[AC_MSG_ERROR(Could not find Python module gdbm)])
- fi
- if test "x$HAVE_DBM" = "xyes"; then
- AM_CHECK_PYMOD(dbm,,,[AC_MSG_ERROR(Could not find Python module dbm)])
+ if test "x$HAVE_GDBM" = "xyes" || test "x$HAVE_DBM" = "xyes"; then
+ AM_CHECK_PYMOD(anydbm,,,[
+ AM_CHECK_PYMOD(dbm,,,[AC_MSG_ERROR(Could not find Python module dbm)])
+ ])
fi
fi
fi
diff --git a/service-type-database/.gitignore b/service-type-database/.gitignore
index 581f1929..51b02600 100644
--- a/service-type-database/.gitignore
+++ b/service-type-database/.gitignore
@@ -1,4 +1,3 @@
Makefile
Makefile.in
service-types.db
-build-db
diff --git a/service-type-database/Makefile.am b/service-type-database/Makefile.am
index d184fde3..f9fa0825 100644
--- a/service-type-database/Makefile.am
+++ b/service-type-database/Makefile.am
@@ -15,7 +15,7 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA.
-EXTRA_DIST=build-db.in service-types
+EXTRA_DIST=service-types
pkglibdatadir=$(libdir)/avahi
@@ -27,16 +27,11 @@ if HAVE_GDBM
noinst_SCRIPTS=build-db
pkglibdata_DATA+=service-types.db
-build-db: build-db.in
- $(AM_V_GEN)sed -e 's,@PYTHON\@,$(PYTHON),g' \
- -e 's,@DBM\@,gdbm,g' $< > $@ && \
- chmod +x $@
-
-service-types.db: service-types build-db
+service-types.db: service-types
$(AM_V_GEN)$(PYTHON) build-db $< $@.coming && \
mv $@.coming $@
-CLEANFILES = service-types.db build-db
+CLEANFILES = service-types.db
endif
if HAVE_DBM
@@ -44,11 +39,6 @@ if HAVE_DBM
noinst_SCRIPTS=build-db
pkglibdata_DATA+=service-types.db.pag service-types.db.dir
-build-db: build-db.in
- $(AM_V_GEN)sed -e 's,@PYTHON\@,$(PYTHON),g' \
- -e 's,@DBM\@,dbm,g' $< > $@ && \
- chmod +x $@
-
service-types.db.pag: service-types.db
$(AM_V_GEN)mv service-types.db.coming.pag service-types.db.pag
service-types.db.dir: service-types.db
@@ -57,7 +47,7 @@ service-types.db: service-types build-db
$(AM_V_GEN)$(PYTHON) build-db $< $@.coming && \
if test -f "$@.coming"; then mv $@.coming $@; fi
-CLEANFILES = service-types.db* build-db
+CLEANFILES = service-types.db*
endif
endif
diff --git a/service-type-database/build-db.in b/service-type-database/build-db
similarity index 87%
rename from service-type-database/build-db.in
rename to service-type-database/build-db
index 4cda4253..78ee892f 100755
--- a/service-type-database/build-db.in
+++ b/service-type-database/build-db
@@ -1,4 +1,4 @@
-#!@PYTHON@
+#!/usr/bin/env python
# -*-python-*-
# This file is part of avahi.
#
@@ -17,7 +17,12 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA.
-import @DBM@, sys
+try:
+ import anydbm as dbm
+except ImportError:
+ import dbm
+
+import sys
if len(sys.argv) > 1:
infn = sys.argv[1]
@@ -29,9 +34,9 @@ if len(sys.argv) > 2:
else:
outfn = infn + ".db"
-db = @DBM@.open(outfn, "n")
+db = dbm.open(outfn, "n")
-for ln in file(infn, "r"):
+for ln in open(infn, "r"):
ln = ln.strip(" \r\n\t")
if ln == "" or ln.startswith("#"):
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