misc: Use relative imports everywhere

Using 'mesonbuild' as the module can cause it to use the
system-installed module and can also break if we rename the directory,
so avoid that by always using relative imports.

mesonbuild/backend/vs2010backend.py

@@ -15,17 +15,16 @@
 import os, sys
 import pickle
 import re
+import xml.dom.minidom
+import xml.etree.ElementTree as ET
 
-from mesonbuild import compilers
-from mesonbuild.build import BuildTarget
-from mesonbuild.mesonlib import File
 from . import backends
 from .. import build
 from .. import dependencies
 from .. import mlog
-import xml.etree.ElementTree as ET
-import xml.dom.minidom
-from ..mesonlib import MesonException
+from .. import compilers
+from ..build import BuildTarget
+from ..mesonlib import MesonException, File
 from ..environment import Environment
 
 def split_o_flags_args(args):

mesonbuild/interpreter.py

@@ -23,10 +23,10 @@ from . import compilers
 from .wrap import wrap
 from . import mesonlib
 from .dependencies import InternalDependency, Dependency
-from mesonbuild.interpreterbase import InterpreterBase
-from mesonbuild.interpreterbase import check_stringlist, noPosargs, noKwargs, stringArgs
-from mesonbuild.interpreterbase import InterpreterException, InvalidArguments, InvalidCode
-from mesonbuild.interpreterbase import InterpreterObject, MutableInterpreterObject
+from .interpreterbase import InterpreterBase
+from .interpreterbase import check_stringlist, noPosargs, noKwargs, stringArgs
+from .interpreterbase import InterpreterException, InvalidArguments, InvalidCode
+from .interpreterbase import InterpreterObject, MutableInterpreterObject
 
 import os, sys, subprocess, shutil, uuid, re
 

mesonbuild/scripts/gettext.py

@@ -16,7 +16,7 @@ import os
 import shutil
 import argparse
 import subprocess
-from mesonbuild.scripts import destdir_join
+from . import destdir_join
 
 parser = argparse.ArgumentParser()
 parser.add_argument('command')

mesonbuild/scripts/gtkdochelper.py

@@ -17,8 +17,8 @@ import sys, os
 import subprocess
 import shutil
 import argparse
-from mesonbuild.mesonlib import MesonException
-from mesonbuild.scripts import destdir_join
+from ..mesonlib import MesonException
+from . import destdir_join
 
 parser = argparse.ArgumentParser()
 

mesonbuild/scripts/meson_install.py

@@ -16,8 +16,8 @@
 
 import sys, pickle, os, shutil, subprocess, gzip, platform
 from glob import glob
-from mesonbuild.scripts import depfixer
-from mesonbuild.scripts import destdir_join
+from . import depfixer
+from . import destdir_join
 
 install_log_file = None
 

mesonbuild/scripts/regen_checker.py

@@ -29,7 +29,7 @@ def need_regen(regeninfo, regen_timestamp):
     # We must make sure to recreate it, even if we do not regenerate the solution.
     # Otherwise, Visual Studio will always consider the REGEN project out of date.
     print("Everything is up-to-date, regeneration of build files is not needed.")
-    from mesonbuild.backend.vs2010backend import Vs2010Backend
+    from ..backend.vs2010backend import Vs2010Backend
     Vs2010Backend.touch_regen_timestamp(regeninfo.build_dir)
     return False
 

mesonbuild/scripts/yelphelper.py

@@ -16,9 +16,9 @@ import sys, os
 import subprocess
 import shutil
 import argparse
-from mesonbuild import mlog
-from mesonbuild.mesonlib import MesonException
-from mesonbuild.scripts import destdir_join
+from .. import mlog
+from ..mesonlib import MesonException
+from . import destdir_join
 
 parser = argparse.ArgumentParser()
 parser.add_argument('command')