Switch to module-relative import syntax.

Now that the python scripts are all in a "redo" python module, we can
use the "new style" (ahem) package-relative imports.  This appeases
pylint, plus avoids confusion in case more than one package has
similarly-named modules.

redo/builder.py

@@ -1,8 +1,7 @@
 import sys, os, errno, stat, signal, time
-import cycles, env, jobserver, state, paths
-from helpers import unlink, close_on_exec
-import logs
-from logs import debug2, err, warn, meta, check_tty
+from . import cycles, env, jobserver, logs, state, paths
+from .helpers import unlink, close_on_exec
+from .logs import debug2, err, warn, meta, check_tty
 
 
 def _nice(t):

redo/cmd_always.py

@@ -1,5 +1,5 @@
 import sys, os
-import env, state
+from . import env, state
 
 
 def main():

redo/cmd_ifchange.py

@@ -1,6 +1,6 @@
 import os, sys, traceback
-import env, state, builder, jobserver, deps
-from logs import debug2, err
+from . import env, state, builder, jobserver, deps
+from .logs import debug2, err
 
 
 def should_build(t):

redo/cmd_ifcreate.py

@@ -1,6 +1,6 @@
 import sys, os
-import env, state
-from logs import err
+from . import env, state
+from .logs import err
 
 
 def main():

redo/cmd_log.py

@@ -1,7 +1,7 @@
 import errno, fcntl, os, re, struct, sys, time
 import termios
-from atoi import atoi
-import env, logs, options, state
+from .atoi import atoi
+from . import env, logs, options, state
 
 optspec = """
 redo-log [options...] [targets...]

redo/cmd_ood.py

@@ -1,6 +1,6 @@
 import sys, os
-import env, state, deps
-from logs import err
+from . import env, state, deps
+from .logs import err
 
 cache = {}
 

redo/cmd_redo.py

@@ -14,9 +14,9 @@
 # limitations under the License.
 #
 import sys, os, traceback
-import env, options, state, builder, jobserver
-from atoi import atoi
-from logs import warn, err
+from . import env, options, state, builder, jobserver
+from .atoi import atoi
+from .logs import warn, err
 
 optspec = """
 redo [targets...]
@@ -46,7 +46,7 @@ def main():
     targets = extra
 
     if opt.version:
-        import version
+        from . import version
         print version.TAG
         sys.exit(0)
     if opt.debug:

redo/cmd_sources.py

@@ -1,6 +1,6 @@
 import sys, os
-import state, env
-from logs import err
+from . import state, env
+from .logs import err
 
 
 def main():

redo/cmd_stamp.py

@@ -1,6 +1,6 @@
 import sys, os
-import env, state
-from logs import err, debug2
+from . import env, state
+from .logs import err, debug2
 
 
 def main():

redo/cmd_targets.py

@@ -1,6 +1,6 @@
 import sys, os
-import env, state
-from logs import err
+from . import env, state
+from .logs import err
 
 
 def main():

redo/cmd_unlocked.py

@@ -1,6 +1,6 @@
 import sys, os
-import env, state
-from logs import err
+from . import env, state
+from .logs import err
 
 
 def main():

redo/cmd_whichdo.py

@@ -1,6 +1,6 @@
 import sys, os
-import env, paths
-from logs import err
+from . import env, paths
+from .logs import err
 
 
 def main():

redo/deps.py

@@ -1,6 +1,6 @@
 import os
-import cycles, env, state
-from logs import debug
+from . import cycles, env, state
+from .logs import debug
 
 CLEAN = 0
 DIRTY = 1

redo/env.py

@@ -1,5 +1,5 @@
 import os, sys
-from atoi import atoi
+from .atoi import atoi
 
 is_toplevel = False
 

redo/jobserver.py

@@ -74,9 +74,9 @@
 # simpler :)
 #
 import sys, os, errno, select, fcntl, signal
-from atoi import atoi
-from helpers import close_on_exec
-import state, env
+from . import state, env
+from .atoi import atoi
+from .helpers import close_on_exec
 
 _toplevel = 0
 _mytokens = 1

redo/logs.py

@@ -1,5 +1,5 @@
 import os, re, sys, time
-import env
+from . import env
 
 RED = GREEN = YELLOW = BOLD = PLAIN = None
 

redo/paths.py

@@ -1,6 +1,6 @@
 import os
-import env
-from logs import debug2
+from . import env
+from .logs import debug2
 
 
 def _default_do_files(filename):

redo/state.py

@@ -1,7 +1,7 @@
 import sys, os, errno, stat, fcntl, sqlite3
-import cycles, env
-from helpers import unlink, close_on_exec, join
-from logs import warn, debug2, debug3
+from . import cycles, env
+from .helpers import unlink, close_on_exec, join
+from .logs import warn, debug2, debug3
 
 SCHEMA_VER = 2
 TIMEOUT = 60

redo/version/__init__.py

@@ -1 +1 @@
-from _version import COMMIT, TAG, DATE
+from ._version import COMMIT, TAG, DATE