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-rw-r--r--portato/backend/flags.py22
1 files changed, 9 insertions, 13 deletions
diff --git a/portato/backend/flags.py b/portato/backend/flags.py
index 4aa6b8e..56df231 100644
--- a/portato/backend/flags.py
+++ b/portato/backend/flags.py
@@ -14,6 +14,7 @@ from __future__ import absolute_import, with_statement
import os
import os.path
+import itertools as itt
from subprocess import Popen, PIPE # needed for grep
from . import system, is_package
@@ -114,20 +115,15 @@ def get_data(pkg, path):
flags = []
- # do grep
- list = grep(pkg, path)
-
- for i in range(len(list)):
- file, line, fl = tuple(list[i].split(":")) # get file, line and flag-list
+ for line in grep(pkg, path):
+ file, line, fl = line.split(":") # get file, line and flag-list
fl = fl.split()
crit = fl[0]
fl = fl[1:]
+
# stop after first comment
- for j in range(len(fl)):
- if fl[j][0] == "#": # comment - stop here
- fl = fl[:j]
- break
- flags.append((file,line,crit,fl))
+ nc = itt.takewhile(lambda x: x[0] != "#", fl)
+ flags.append((file, line, crit, list(nc)))
return flags
@@ -207,7 +203,7 @@ def sort_use_flag_list (flaglist):
"""
def flag_key (flag):
- if flag.startswith(("+","-")):
+ if flag[0] in "+-":
return flag[1:]
else:
return flag
@@ -227,7 +223,7 @@ def filter_defaults (flaglist):
"""
for flag in flaglist:
- if flag.startswith(("+","-")):
+ if flag[0] in "+-":
yield flag[1:]
else:
yield flag
@@ -274,7 +270,7 @@ def set_use_flag (pkg, flag):
newUseFlags[cpv].remove(t)
jumpOut = True
# break # don't break as both cases can be valid (see below)
- if not jumpOut:
+ if not jumpOut:
newUseFlags[cpv].append((file, line, invFlag, True))
# we removed the inverted from package.use - but it is still enabled somewhere else