--- /dev/null
+# DSL - easy Display Setup for Laptops
+# Copyright (C) 2012-2015 Ralf Jung <post@ralfj.de>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# interactive command line interface, question based
+
+from question_frontend import QuestionFrontend
+
+import sys
+
+class CLIFrontend(QuestionFrontend):
+ def error(self, message):
+ print(message, file=sys.stderr)
+
+ def userChoose (self, title, choices, returns, fallback):
+ while True:
+ # print question
+ print(title)
+ for i in range(len(choices)):
+ print("%d. %s"%(i,choices[i]))
+ print("Enter 'c' to cancel.")
+ # handle input
+ answer = input("> ")
+ if answer == "c":
+ return None
+ #else
+ try:
+ answerint = int(answer)
+ if answerint >= 0 and answerint < len(choices):
+ return returns[answerint]
+ except ValueError:
+ pass
+ # if we are here something invalid was entered
+ print("INVALID ANSWER: '%s'" % answer)
+
+ @staticmethod
+ def isAvailable():
+ return True
'''
import subprocess, collections
-from question_frontend import QuestionFrontend
+from cli_frontend import CLIFrontend
+from zenity_frontend import ZenityFrontend
from screen import processOutputIt
# Qt frontend
except ImportError:
return False
-
-# Zenity frontend
-class ZenityFrontend(QuestionFrontend):
- def error(self, message):
- '''Displays a fatal error to the user'''
- subprocess.check_call(["zenity", "--error", "--text="+message])
- def userChoose (self, title, choices, returns, fallback):
- assert len(choices) == len(returns)
- args = ["zenity", "--list", "--text="+title, "--column="]+choices
- switch = dict (list(zip (choices,returns)))
- try:
- for line in processOutputIt(*args):
- return switch.get(line.strip(), fallback)
- except Exception:
- # on user cancel, the return code of zenity is nonzero
- return fallback
- # if the output was empty
- return fallback
- def isAvailable():
- try:
- processOutputIt("zenity", "--version")
- return True
- except FileNotFoundError:
- return False
- except PermissionError:
- return False
-
-# CLI frontend
-class CLIFrontend(QuestionFrontend):
- def error(self, message):
- print(message, file=sys.stderr)
-
- def userChoose (self, title, choices, returns, fallback):
- while True:
- # print question
- print(title)
- for i in range(len(choices)):
- print("%d. %s"%(i,choices[i]))
- print("Enter 'c' to cancel.")
- # handle input
- answer = input("> ")
- if answer == "c":
- return None
- #else
- try:
- answerint = int(answer)
- if answerint >= 0 and answerint < len(choices):
- return returns[answerint]
- except ValueError:
- pass
- # if we are here something invalid was entered
- print("INVALID ANSWER: '%s'" % answer)
-
- @staticmethod
- def isAvailable():
- return True
-
# list of available frontends
frontends = collections.OrderedDict()
frontends["qt"] = QtFrontend
--- /dev/null
+# DSL - easy Display Setup for Laptops
+# Copyright (C) 2012-2015 Ralf Jung <post@ralfj.de>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# interactive zenity interface, question based
+
+from question_frontend import QuestionFrontend
+from screen import processOutputIt
+
+import subprocess
+
+class ZenityFrontend(QuestionFrontend):
+ def error(self, message):
+ '''Displays a fatal error to the user'''
+ subprocess.check_call(["zenity", "--error", "--text="+message])
+
+ def userChoose (self, title, choices, returns, fallback):
+ assert len(choices) == len(returns)
+ args = ["zenity", "--list", "--text="+title, "--column="]+choices
+ switch = dict (list(zip (choices,returns)))
+ try:
+ for line in processOutputIt(*args):
+ return switch.get(line.strip(), fallback)
+ except Exception:
+ # on user cancel, the return code of zenity is nonzero
+ return fallback
+ # if the output was empty
+ return fallback
+
+ def isAvailable():
+ try:
+ processOutputIt("zenity", "--version")
+ return True
+ except FileNotFoundError:
+ return False
+ except PermissionError:
+ return False