File avahi-0.7-dbm.patch of Package avahi-glib2

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File avahi-0.7-dbm.patch of Package avahi-glib2 (Revision 02af1ed1c411998907893969a7a3511c)

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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 3eb67d0..c906b9b 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 4ddd654..d7f9969 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 6678971..fbbf7cf 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/Makefile.am b/service-type-database/Makefile.am
index d184fde..f9fa082 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 4cda425..78ee892 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("#"):
-- 
2.18.0

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File avahi-0.7-dbm.patch of Package avahi-glib2 (Revision 02af1ed1c411998907893969a7a3511c)

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