Add abstraction layer for toolchains.

[bertos.git] / wizard / toolchain_manager.py

diff --git a/wizard/toolchain_manager.py b/wizard/toolchain_manager.py
new file mode 100755 (executable)
index 0000000..8f18d9a
--- /dev/null
+++ b/wizard/toolchain_manager.py
@@ -0,0 +1,133 @@
+#!/usr/bin/env python
+# encoding: utf-8
+#
+# This file is part of BeRTOS.
+#
+# Bertos 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 St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+# As a special exception, you may use this file as part of a free software
+# library without restriction.  Specifically, if other files instantiate
+# templates or use macros or inline functions from this file, or you compile
+# this file and link it with other files to produce an executable, this
+# file does not by itself cause the resulting executable to be covered by
+# the GNU General Public License.  This exception does not however
+# invalidate any other reasons why the executable file might be covered by
+# the GNU General Public License.
+#
+# Copyright 2008 Develer S.r.l. (http://www.develer.com/)
+#
+# $Id$
+#
+# Author: Lorenzo Berni <duplo@develer.com>
+#
+
+import os
+
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+
+import qvariant_converter
+from toolchain_validation import validateToolchain
+
+
+class ToolchainManager(object):
+    def __init__(self):
+        self._app_settings = QApplication.instance().settings
+
+    def validateToolchain(self, toolchain):
+        toolchains = self.storedToolchainDict()
+        if toolchain in toolchains:
+            toolchains[toolchain] = True
+            self.setStoredToolchainDict(toolchains)
+            return self._validateToolchain(toolchain)
+        elif toolchain in self._predefined_toolchain_set:
+            return self._validateToolchain(toolchain)
+        else:
+            return None
+
+    def _validateToolchain(self, toolchain):
+        """
+        Returns information about the toolchain located in path
+        "toolchain". If the toolchain is not recognized, or it doesn't
+        exists anymore a empty dict is returned.
+
+        Example of toolchain information dict:
+        {
+            "target": "arm",
+            "version": "4.0.6",
+            "build": None,
+            "configured": None,
+            "thread": None,
+        }
+        """
+        return validateToolchain(toolchain)
+
+    def addToolchain(self, toolchain, validated=False):
+        if toolchain not in self.predefined_toolchains:
+            toolchains = self.storedToolchainDict()
+            toolchains[toolchain] = validated
+            self.setStoredToolchainDict(toolchains)
+
+    def removeToolchain(self, toolchain):
+        toolchains = self.storedToolchainDict()
+        if toolchain in toolchains:
+            del toolchains[toolchain]
+        self.setStoredToolchainDict(toolchains)
+
+    def storedToolchainDict(self):
+        toolchains = self._app_settings.value("toolchains", QVariant())
+        toolchains = qvariant_converter.getBoolDict(toolchains)
+        return toolchains
+
+    def setStoredToolchainDict(self, toolchain_dict):
+        toolchains = qvariant_converter.convertBoolDict(toolchain_dict)
+        self._app_settings.setValue("toolchains", toolchains)
+
+    @property
+    def toolchains(self):
+        toolchains = []
+        toolchain_dict = self.storedToolchainDict()
+        for toolchain, validated in toolchain_dict.items():
+            if validated:
+                information = self._validateToolchain(toolchain)
+            else:
+                information = None
+            toolchains.append((toolchain, information))
+        return toolchains
+
+    @property
+    def predefined_toolchains(self):
+        toolchains = []
+        stored_toolchains = self._predefined_toolchain_set
+        for toolchain in stored_toolchains:
+            toolchains.append((toolchain, self._validateToolchain(toolchain)))
+        return toolchains
+
+    @property
+    def _predefined_toolchain_set(self):
+        stored_toolchains = set()
+        if os.name == "nt":
+            import winreg_importer
+            stored_toolchains |= set(winreg_importer.getBertosToolchains())
+        return stored_toolchains
+
+    def suitableToolchains(self, target):
+        toolchains = self.toolchains
+        suitable_toolchains = []
+        for name, info in toolchains:
+            if info and info.get('target', None) == target:
+                suitable_toolchains.append(name)
+        return suitable_toolchains
+