Add Logs tool, already working with python3

Makefile

@@ -0,0 +1,34 @@
+#!/usr/bin/make -f
+# Makefile for Cadence #
+# ---------------------- #
+# Created by falkTX
+#
+
+PYUIC = pyuic4
+PYRCC = pyrcc4
+
+all: build
+
+build: UI RES LANG
+
+UI: tools
+
+tools: \
+	src/ui_logs.py
+
+src/ui_logs.py: src/ui/logs.ui
+	$(PYUIC) -w -o src/ui_logs.py $<
+
+RES: src/icons_rc.py
+
+src/icons_rc.py: src/icons/icons.qrc
+	$(PYRCC) -py3 -o src/icons_rc.py $<
+
+LANG:
+#	pylupdate4 -verbose src/lang/lang.pro
+#	lrelease src/lang/lang.pro
+
+clean:
+	rm -f *~ src/*~  src/*.pyc src/*.so src/ui_*.py src/icons_rc.py
+
+distclean: clean

README

@@ -3,4 +3,4 @@
 -----------------------
 
 Cadence is a set of tools useful for audio production.
-It's being developed by falkTX, using Python and Qt (and some C++ when needed).
+It's being developed by falkTX, using Python and Qt (and some C++ where needed).

src/icons/icons.qrc

@@ -0,0 +1,6 @@
+<RCC version="1.0">
+        <qresource prefix="/">
+            <file>16x16/edit-delete.png</file>
+            <file>16x16/window-close.png</file>
+        </qresource>
+</RCC>

src/logs.py

@@ -0,0 +1,366 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# JACK, A2J, LASH and LADISH Logs Viewer
+# Copyright (C) 2012 Filipe Coelho <falktx@gmail.com>
+
+# 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
+# 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.
+#
+# For a full copy of the GNU General Public License see the COPYING file
+
+# Imports (Global)
+from PyQt4.QtCore import pyqtSlot, Qt, QFile, QIODevice, QTextStream, QThread, SIGNAL, SLOT
+from PyQt4.QtGui import QDialog, QPalette, QSyntaxHighlighter
+
+# Imports (Custom Stuff)
+import ui_logs
+from shared import *
+
+# Fix log text output (get rid of terminal colors stuff)
+def fixLogText(text):
+    return text.replace("","").replace("","").replace("","").replace("","").replace("","")
+
+# Syntax Highlighter for JACK
+class SyntaxHighligher_JACK(QSyntaxHighlighter):
+    def __init__(self, parent):
+        QSyntaxHighlighter.__init__(self, parent)
+
+        self.m_palette = self.parent().palette()
+
+    def highlightBlock(self, text):
+      if (": ERROR: " in text):
+        self.setFormat(text.find(" ERROR: "), len(text), Qt.red)
+      elif (": WARNING: " in text):
+        self.setFormat(text.find(" WARNING: "), len(text), Qt.darkRed)
+      elif (": ------------------" in text):
+        self.setFormat(text.find(" ------------------"), len(text), self.m_palette.color(QPalette.Active, QPalette.Mid))
+      elif (": Connecting " in text):
+        self.setFormat(text.find(" Connecting "), len(text), self.m_palette.color(QPalette.Active, QPalette.Link))
+      elif (": Disconnecting " in text):
+        self.setFormat(text.find(" Disconnecting "), len(text), self.m_palette.color(QPalette.Active, QPalette.LinkVisited))
+      #elif (": New client " in text):
+        #self.setFormat(text.find(" New client "), len(text), self.m_palette.color(QPalette.Active, QPalette.Link))
+
+# Syntax Highlighter for A2J
+class SyntaxHighligher_A2J(QSyntaxHighlighter):
+    def __init__(self, parent):
+        QSyntaxHighlighter.__init__(self, parent)
+
+        self.m_palette = self.parent().palette()
+
+    def highlightBlock(self, text):
+      if (": error: " in text):
+        self.setFormat(text.find(" error: "), len(text), Qt.red)
+      elif (": WARNING: " in text):
+        self.setFormat(text.find(" WARNING: "), len(text), Qt.darkRed)
+      elif (": ----------------------------" in text):
+        self.setFormat(text.find("----------------------------"), len(text), self.m_palette.color(QPalette.Active, QPalette.Mid))
+      elif (": port created: " in text):
+        self.setFormat(text.find(" port created: "), len(text), self.m_palette.color(QPalette.Active, QPalette.Link))
+      elif (": port deleted: " in text):
+        self.setFormat(text.find(" port deleted: "), len(text), self.m_palette.color(QPalette.Active, QPalette.LinkVisited))
+
+# Syntax Highlighter for LASH
+class SyntaxHighligher_LASH(QSyntaxHighlighter):
+    def __init__(self, parent):
+        QSyntaxHighlighter.__init__(self, parent)
+
+        self.m_palette = self.parent().palette()
+
+    def highlightBlock(self, text):
+      if (": ERROR: " in text):
+        self.setFormat(text.find(" ERROR: "), len(text), Qt.red)
+      elif (": WARNING: " in text):
+        self.setFormat(text.find(" WARNING: "), len(text), Qt.darkRed)
+      elif (": ------------------" in text):
+        self.setFormat(text.find(" ------------------"), len(text), self.m_palette.color(QPalette.Active, QPalette.Mid))
+
+# Syntax Highlighter for LADISH
+class SyntaxHighligher_LADISH(QSyntaxHighlighter):
+    def __init__(self, parent):
+        QSyntaxHighlighter.__init__(self, parent)
+
+        self.m_palette = self.parent().palette()
+
+    def highlightBlock(self, text):
+      if (": ERROR: " in text):
+        self.setFormat(text.find(" ERROR: "), len(text), Qt.red)
+      elif (": WARNING: " in text):
+        self.setFormat(text.find(" WARNING: "), len(text), Qt.darkRed)
+      elif (": -------" in text):
+        self.setFormat(text.find(" -------"), len(text), self.m_palette.color(QPalette.Active, QPalette.Mid))
+
+# Lockless file read thread
+class LogsReadThread(QThread):
+    def __init__(self, parent):
+        QThread.__init__(self, parent)
+
+        self.m_purgeLogs = False
+
+        # -------------------------------------------------------------
+        # Take some values from parent
+
+        self.LOG_FILE_JACK   = self.parent().LOG_FILE_JACK
+        self.LOG_FILE_A2J    = self.parent().LOG_FILE_A2J
+        self.LOG_FILE_LASH   = self.parent().LOG_FILE_LASH
+        self.LOG_FILE_LADISH = self.parent().LOG_FILE_LADISH
+
+        # -------------------------------------------------------------
+        # Init logs
+
+        if (self.LOG_FILE_JACK):
+          self.log_jack_file = QFile(self.LOG_FILE_JACK)
+          self.log_jack_file.open(QIODevice.ReadOnly)
+          self.log_jack_stream = QTextStream(self.log_jack_file)
+          self.log_jack_stream.setCodec("UTF-8")
+
+        if (self.LOG_FILE_A2J):
+          self.log_a2j_file = QFile(self.LOG_FILE_A2J)
+          self.log_a2j_file.open(QIODevice.ReadOnly)
+          self.log_a2j_stream = QTextStream(self.log_a2j_file)
+          self.log_a2j_stream.setCodec("UTF-8")
+
+        if (self.LOG_FILE_LASH):
+          self.log_lash_file = QFile(self.LOG_FILE_LASH)
+          self.log_lash_file.open(QIODevice.ReadOnly)
+          self.log_lash_stream = QTextStream(self.log_lash_file)
+          self.log_lash_stream.setCodec("UTF-8")
+
+        if (self.LOG_FILE_LADISH):
+          self.log_ladish_file = QFile(self.LOG_FILE_LADISH)
+          self.log_ladish_file.open(QIODevice.ReadOnly)
+          self.log_ladish_stream = QTextStream(self.log_ladish_file)
+          self.log_ladish_stream.setCodec("UTF-8")
+
+    def purgeLogs(self):
+        self.m_purgeLogs = True
+
+    def run(self):
+        # -------------------------------------------------------------
+        # Read logs and set text in main thread
+
+        while (self.isRunning()):
+          if (self.m_purgeLogs):
+            if (self.LOG_FILE_JACK):
+              self.log_jack_stream.flush()
+              self.log_jack_file.close()
+              self.log_jack_file.open(QIODevice.WriteOnly)
+              self.log_jack_file.close()
+              self.log_jack_file.open(QIODevice.ReadOnly)
+
+            if (self.LOG_FILE_A2J):
+              self.log_a2j_stream.flush()
+              self.log_a2j_file.close()
+              self.log_a2j_file.open(QIODevice.WriteOnly)
+              self.log_a2j_file.close()
+              self.log_a2j_file.open(QIODevice.ReadOnly)
+
+            if (self.LOG_FILE_LASH):
+              self.log_lash_stream.flush()
+              self.log_lash_file.close()
+              self.log_lash_file.open(QIODevice.WriteOnly)
+              self.log_lash_file.close()
+              self.log_lash_file.open(QIODevice.ReadOnly)
+
+            if (self.LOG_FILE_LADISH):
+              self.log_ladish_stream.flush()
+              self.log_ladish_file.close()
+              self.log_ladish_file.open(QIODevice.WriteOnly)
+              self.log_ladish_file.close()
+              self.log_ladish_file.open(QIODevice.ReadOnly)
+
+          else:
+            text_jack   = ""
+            text_a2j    = ""
+            text_lash   = ""
+            text_ladish = ""
+
+            if (self.LOG_FILE_JACK):
+              text_jack = fixLogText(self.log_jack_stream.readAll()).strip()
+
+            if (self.LOG_FILE_A2J):
+              text_a2j = fixLogText(self.log_a2j_stream.readAll()).strip()
+
+            if (self.LOG_FILE_LASH):
+              text_lash = fixLogText(self.log_lash_stream.readAll()).strip()
+
+            if (self.LOG_FILE_LADISH):
+              text_ladish = fixLogText(self.log_ladish_stream.readAll()).strip()
+
+            self.parent().setLogsText(text_jack, text_a2j, text_lash, text_ladish)
+            self.emit(SIGNAL("updateLogs()"))
+
+          self.sleep(1)
+
+        # -------------------------------------------------------------
+        # Close logs before closing thread
+
+        if (self.LOG_FILE_JACK):
+          self.log_jack_file.close()
+
+        if (self.LOG_FILE_A2J):
+          self.log_a2j_file.close()
+
+        if (self.LOG_FILE_LASH):
+          self.log_lash_file.close()
+
+        if (self.LOG_FILE_LADISH):
+          self.log_ladish_file.close()
+
+# Class Window
+class LogsW(QDialog, ui_logs.Ui_LogsW):
+
+    LOG_PATH = os.path.join(HOME, ".log")
+
+    LOG_FILE_JACK   = os.path.join(LOG_PATH, "jack", "jackdbus.log")
+    LOG_FILE_A2J    = os.path.join(LOG_PATH, "a2j", "a2j.log")
+    LOG_FILE_LASH   = os.path.join(LOG_PATH, "lash", "lash.log")
+    LOG_FILE_LADISH = os.path.join(LOG_PATH, "ladish", "ladish.log")
+
+    def __init__(self, parent, flags):
+        QDialog.__init__(self, parent, flags)
+        self.setupUi(self)
+
+        self.b_close.setIcon(getIcon("dialog-close"))
+        self.b_purge.setIcon(getIcon("user-trash"))
+
+        self.m_firstRun = True
+        self.m_text_jack   = ""
+        self.m_text_a2j    = ""
+        self.m_text_lash   = ""
+        self.m_text_ladish = ""
+
+        # -------------------------------------------------------------
+        # Check for unexisting logs and remove tabs for those
+
+        tab_index = 0
+
+        if (os.path.exists(self.LOG_FILE_JACK) == False):
+          self.LOG_FILE_JACK = None
+          self.tabWidget.removeTab(0-tab_index)
+          tab_index += 1
+
+        if (os.path.exists(self.LOG_FILE_A2J) == False):
+          self.LOG_FILE_A2J = None
+          self.tabWidget.removeTab(1-tab_index)
+          tab_index += 1
+
+        if (os.path.exists(self.LOG_FILE_LASH) == False):
+          self.LOG_FILE_LASH = None
+          self.tabWidget.removeTab(2-tab_index)
+          tab_index += 1
+
+        if (os.path.exists(self.LOG_FILE_LADISH) == False):
+          self.LOG_FILE_LADISH = None
+          self.tabWidget.removeTab(3-tab_index)
+          tab_index += 1
+
+        # -------------------------------------------------------------
+        # Init logs viewers
+
+        if (self.LOG_FILE_JACK):
+          syntax_jack = SyntaxHighligher_JACK(self.pte_jack)
+          syntax_jack.setDocument(self.pte_jack.document())
+
+        if (self.LOG_FILE_A2J):
+          syntax_a2j = SyntaxHighligher_A2J(self.pte_a2j)
+          syntax_a2j.setDocument(self.pte_a2j.document())
+
+        if (self.LOG_FILE_LASH):
+          syntax_lash = SyntaxHighligher_LASH(self.pte_lash)
+          syntax_lash.setDocument(self.pte_lash.document())
+
+        if (self.LOG_FILE_LADISH):
+          syntax_ladish = SyntaxHighligher_LADISH(self.pte_ladish)
+          syntax_ladish.setDocument(self.pte_ladish.document())
+
+        # -------------------------------------------------------------
+        # Init file read thread
+
+        self.m_readThread = LogsReadThread(self)
+        self.m_readThread.start()
+
+        # -------------------------------------------------------------
+        # Set-up connections
+
+        self.connect(self.b_purge, SIGNAL("clicked()"), SLOT("slot_purgeLogs()"))
+        self.connect(self.m_readThread, SIGNAL("updateLogs()"), SLOT("slot_updateLogs()"))
+
+    def setLogsText(self, text_jack, text_a2j, text_lash, text_ladish):
+        self.m_text_jack   = text_jack
+        self.m_text_a2j    = text_a2j
+        self.m_text_lash   = text_lash
+        self.m_text_ladish = text_ladish
+
+    @pyqtSlot()
+    def slot_updateLogs(self):
+        if (self.m_firstRun):
+          self.pte_jack.clear()
+          self.pte_a2j.clear()
+          self.pte_lash.clear()
+          self.pte_ladish.clear()
+
+        if (self.LOG_FILE_JACK):
+          if (self.m_text_jack):
+            self.pte_jack.appendPlainText(self.m_text_jack)
+
+        if (self.LOG_FILE_A2J):
+          if (self.m_text_a2j):
+            self.pte_a2j.appendPlainText(self.m_text_a2j)
+
+        if (self.LOG_FILE_LASH):
+          if (self.m_text_lash):
+            self.pte_lash.appendPlainText(self.m_text_lash)
+
+        if (self.LOG_FILE_LADISH):
+          if (self.m_text_ladish):
+            self.pte_ladish.appendPlainText(self.m_text_ladish)
+
+        if (self.m_firstRun):
+          self.pte_jack.horizontalScrollBar().setValue(0)
+          self.pte_jack.verticalScrollBar().setValue(self.pte_jack.verticalScrollBar().maximum())
+          self.pte_a2j.horizontalScrollBar().setValue(0)
+          self.pte_a2j.verticalScrollBar().setValue(self.pte_a2j.verticalScrollBar().maximum())
+          self.pte_lash.horizontalScrollBar().setValue(0)
+          self.pte_lash.verticalScrollBar().setValue(self.pte_lash.verticalScrollBar().maximum())
+          self.pte_ladish.horizontalScrollBar().setValue(0)
+          self.pte_ladish.verticalScrollBar().setValue(self.pte_ladish.verticalScrollBar().maximum())
+          self.m_firstRun = False
+
+    @pyqtSlot()
+    def slot_purgeLogs(self):
+        self.m_readThread.purgeLogs()
+        self.pte_jack.clear()
+        self.pte_a2j.clear()
+        self.pte_lash.clear()
+        self.pte_ladish.clear()
+
+    def closeEvent(self, event):
+        self.m_readThread.quit()
+        return QDialog.closeEvent(self, event)
+
+# -------------------------------------------------------------
+# Allow to use this as a standalone app
+if __name__ == '__main__':
+
+    # Additional imports
+    import sys
+    from PyQt4.QtGui import QApplication
+
+    # App initialization
+    app = QApplication(sys.argv)
+
+    # Show GUI
+    gui = LogsW(None, Qt.WindowFlags())
+    gui.show()
+
+    # App-Loop
+    sys.exit(app.exec_())

src/shared.py

@@ -15,3 +15,29 @@
 # GNU General Public License for more details.
 #
 # For a full copy of the GNU General Public License see the COPYING file
+
+# Imports (Global)
+import os
+from PyQt4.QtCore import qDebug, qWarning
+from PyQt4.QtGui import QIcon
+
+# Small integrity tests
+HOME = os.getenv("HOME")
+if (HOME == None):
+  qWarning("HOME variable not set")
+  HOME = "/tmp"
+elif (os.path.exists(HOME) == False):
+  qWarning("HOME variable set but not valid")
+  HOME = "/tmp"
+
+PATH_env = os.getenv("PATH")
+if (PATH_env == None):
+  qWarning("PATH variable not set")
+  PATH = ("/bin", "/sbin", "/usr/local/bin", "/usr/local/sbin", "/usr/bin", "/usr/sbin", "/usr/games")
+else:
+  PATH = PATH_env.split(os.pathsep)
+  del PATH_env
+
+# Get Icon from user theme, using our own as backup (Oxygen)
+def getIcon(icon, size=16):
+  return QIcon.fromTheme(icon, QIcon(":/%ix%i/%s.png" % (size, size, icon)))

src/ui/logs.ui

@@ -0,0 +1,181 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>LogsW</class>
+ <widget class="QDialog" name="LogsW">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>712</width>
+    <height>414</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Logs</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0" colspan="4">
+    <widget class="QTabWidget" name="tabWidget">
+     <property name="currentIndex">
+      <number>0</number>
+     </property>
+     <widget class="QWidget" name="tab_jack">
+      <attribute name="title">
+       <string>JACK</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout">
+       <item>
+        <widget class="QPlainTextEdit" name="pte_jack">
+         <property name="verticalScrollBarPolicy">
+          <enum>Qt::ScrollBarAlwaysOn</enum>
+         </property>
+         <property name="lineWrapMode">
+          <enum>QPlainTextEdit::NoWrap</enum>
+         </property>
+         <property name="plainText">
+          <string>Loading...</string>
+         </property>
+         <property name="textInteractionFlags">
+          <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="tab_a2j">
+      <attribute name="title">
+       <string>A2J</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_3">
+       <item>
+        <widget class="QPlainTextEdit" name="pte_a2j">
+         <property name="verticalScrollBarPolicy">
+          <enum>Qt::ScrollBarAlwaysOn</enum>
+         </property>
+         <property name="lineWrapMode">
+          <enum>QPlainTextEdit::NoWrap</enum>
+         </property>
+         <property name="plainText">
+          <string>Loading...</string>
+         </property>
+         <property name="textInteractionFlags">
+          <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="tab_lash">
+      <attribute name="title">
+       <string>LASH</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_5">
+       <item>
+        <widget class="QPlainTextEdit" name="pte_lash">
+         <property name="verticalScrollBarPolicy">
+          <enum>Qt::ScrollBarAlwaysOn</enum>
+         </property>
+         <property name="lineWrapMode">
+          <enum>QPlainTextEdit::NoWrap</enum>
+         </property>
+         <property name="plainText">
+          <string>Loading...</string>
+         </property>
+         <property name="textInteractionFlags">
+          <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="tab_ladish">
+      <attribute name="title">
+       <string>LADISH</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_2">
+       <item>
+        <widget class="QPlainTextEdit" name="pte_ladish">
+         <property name="verticalScrollBarPolicy">
+          <enum>Qt::ScrollBarAlwaysOn</enum>
+         </property>
+         <property name="lineWrapMode">
+          <enum>QPlainTextEdit::NoWrap</enum>
+         </property>
+         <property name="plainText">
+          <string>Loading...</string>
+         </property>
+         <property name="textInteractionFlags">
+          <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </widget>
+   </item>
+   <item row="1" column="0" colspan="4">
+    <widget class="Line" name="line">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="2">
+    <widget class="QPushButton" name="b_purge">
+     <property name="text">
+      <string>Purge all logs</string>
+     </property>
+     <property name="icon">
+      <iconset resource="../icons/icons.qrc">
+       <normaloff>:/16x16/edit-delete.png</normaloff>:/16x16/edit-delete.png</iconset>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="3">
+    <widget class="QPushButton" name="b_close">
+     <property name="text">
+      <string>Close</string>
+     </property>
+     <property name="icon">
+      <iconset resource="../icons/icons.qrc">
+       <normaloff>:/16x16/window-close.png</normaloff>:/16x16/window-close.png</iconset>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="1">
+    <spacer name="horizontalSpacer">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>40</width>
+       <height>20</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="../icons/icons.qrc"/>
+ </resources>
+ <connections>
+  <connection>
+   <sender>b_close</sender>
+   <signal>clicked()</signal>
+   <receiver>LogsW</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>665</x>
+     <y>395</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>355</x>
+     <y>206</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>