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174 changes: 174 additions & 0 deletions
174
code/apps/MunkiStatus/MunkiStatus/MSULogWindowController.py
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| # -*- coding: utf-8 -*- | ||
| # | ||
| # MSULogWindowController.py | ||
| # MunkiStatus | ||
| # | ||
| # Created by Greg Neagle on 4/18/16. | ||
| # Copyright (c) 2016 Munki Project. All rights reserved. | ||
| # | ||
| # Much code borrowed from https://github.com/MagerValp/LoginLog | ||
| # with the blessing of MagerValp | ||
| # | ||
|
|
||
| from objc import YES, NO, IBAction, IBOutlet | ||
| from Foundation import * | ||
| from AppKit import * | ||
|
|
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| import munki | ||
| import os | ||
|
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|
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| class MSULogViewDataSource(NSObject): | ||
|
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| """Data source for an NSTableView that displays an array of text lines.\n""" | ||
| """Line breaks are assumed to be LF, and partial lines from incremental """ | ||
| """reading is handled.""" | ||
|
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| logFileData = NSMutableArray.alloc().init() | ||
| filteredData = logFileData | ||
|
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| lastLineIsPartial = False | ||
| filter = '' | ||
|
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| def applyFilterToData(self): | ||
| if len(self.filter): | ||
| filterPredicate = NSPredicate.predicateWithFormat_('self CONTAINS[cd] %@', self.filter) | ||
| self.filteredData = self.logFileData.filteredArrayUsingPredicate_(filterPredicate) | ||
| else: | ||
| self.filteredData = self.logFileData | ||
|
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| def addLine_partial_(self, line, isPartial): | ||
| if self.lastLineIsPartial: | ||
| joinedLine = self.logFileData.lastObject() + line | ||
| self.logFileData.removeLastObject() | ||
| self.logFileData.addObject_(joinedLine) | ||
| else: | ||
| self.logFileData.addObject_(line) | ||
| self.lastLineIsPartial = isPartial | ||
| self.applyFilterToData() | ||
|
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| def removeAllLines(self): | ||
| self.logFileData.removeAllObjects() | ||
|
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| def lineCount(self): | ||
| return self.filteredData.count() | ||
|
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| def numberOfRowsInTableView_(self, tableView): | ||
| return self.lineCount() | ||
|
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| def tableView_objectValueForTableColumn_row_(self, tableView, column, row): | ||
| if column.identifier() == 'data': | ||
| return self.filteredData.objectAtIndex_(row) | ||
| else: | ||
| return '' | ||
|
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|
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| class MSULogWindowController(NSObject): | ||
|
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| window = IBOutlet() | ||
| logView = IBOutlet() | ||
| searchField = IBOutlet() | ||
| pathControl = IBOutlet() | ||
|
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| logFileData = MSULogViewDataSource.alloc().init() | ||
|
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| fileHandle = None | ||
| updateTimer = None | ||
|
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| _logData = NSMutableArray.alloc().init() | ||
|
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| @objc.accessor # PyObjC KVO hack | ||
| def logData(self): | ||
| return self._logData | ||
|
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| @objc.accessor # PyObjC KVO hack | ||
| def setLogData_(self, newlist): | ||
| self._logData = newlist | ||
|
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| @IBAction | ||
| def searchFilterChanged_(self, sender): | ||
| '''User changed the search field''' | ||
| filterString = self.searchField.stringValue().lower() | ||
| self.logFileData.filter = filterString | ||
| self.logFileData.applyFilterToData() | ||
| self.logView.reloadData() | ||
|
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| def getWindowLevel(self): | ||
| '''Gets our NSWindowLevel. Works around issues with the loginwindow | ||
| PolicyBanner in 10.11+ Some code based on earlier work by Pepijn | ||
| Bruienne''' | ||
| window_level = NSScreenSaverWindowLevel - 1 | ||
| # Get our Darwin major version | ||
| darwin_vers = int(os.uname()[2].split('.')[0]) | ||
| have_policy_banner = False | ||
| for test_file in ['/Library/Security/PolicyBanner.txt', | ||
| '/Library/Security/PolicyBanner.rtf', | ||
| '/Library/Security/PolicyBanner.rtfd']: | ||
| if os.path.exists(test_file): | ||
| have_policy_banner = True | ||
| break | ||
| # bump our NSWindowLevel if we have a PolicyBanner in ElCap+ | ||
| if have_policy_banner and darwin_vers > 14: | ||
| window_level = NSScreenSaverWindowLevel | ||
| return window_level | ||
|
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| @IBAction | ||
| def showLogWindow_(self, notification): | ||
| # Show the log window. | ||
|
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| consoleuser = munki.getconsoleuser() | ||
| if consoleuser == None or consoleuser == u"loginwindow": | ||
| self.window.setCanBecomeVisibleWithoutLogin_(True) | ||
| self.window.setLevel_(self.getWindowLevel()) | ||
|
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| screenRect = NSScreen.mainScreen().frame() | ||
| windowRect = screenRect.copy() | ||
| windowRect.origin.x = 100.0 | ||
| windowRect.origin.y = 200.0 | ||
| windowRect.size.width -= 200.0 | ||
| windowRect.size.height -= 300.0 | ||
|
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| logfile = munki.pref('LogFile') | ||
| self.pathControl.setURL_(NSURL.fileURLWithPath_(logfile)) | ||
| self.window.setTitle_(os.path.basename(logfile)) | ||
| self.window.setFrame_display_(windowRect, NO) | ||
| self.window.makeKeyAndOrderFront_(self) | ||
| self.watchLogFile_(logfile) | ||
|
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| def watchLogFile_(self, logFile): | ||
| # Display and continuously update a log file in the main window. | ||
| self.stopWatching() | ||
| self.logFileData.removeAllLines() | ||
| self.logView.setDataSource_(self.logFileData) | ||
| self.logView.reloadData() | ||
| self.fileHandle = NSFileHandle.fileHandleForReadingAtPath_(logFile) | ||
| self.refreshLog() | ||
| # Kick off a timer that updates the log view periodically. | ||
| self.updateTimer = NSTimer.scheduledTimerWithTimeInterval_target_selector_userInfo_repeats_( | ||
| 0.25, self, u"refreshLog", None, YES) | ||
|
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| def stopWatching(self): | ||
| # Release the file handle and stop the update timer. | ||
| if self.fileHandle is not None: | ||
| self.fileHandle.closeFile() | ||
| self.fileHandle = None | ||
| if self.updateTimer is not None: | ||
| self.updateTimer.invalidate() | ||
| self.updateTimer = None | ||
|
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| def refreshLog(self): | ||
| # Check for new available data, read it, and scroll to the bottom. | ||
| data = self.fileHandle.availableData() | ||
| if data.length(): | ||
| utf8string = NSString.alloc().initWithData_encoding_( | ||
| data, NSUTF8StringEncoding) | ||
| for line in utf8string.splitlines(True): | ||
| if line.endswith(u"\n"): | ||
| self.logFileData.addLine_partial_(line.rstrip(u"\n"), False) | ||
| else: | ||
| self.logFileData.addLine_partial_(line, True) | ||
| self.logView.reloadData() | ||
| self.logView.scrollRowToVisible_(self.logFileData.lineCount() - 1) | ||
|
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| def windowWillClose_(self, notification): | ||
| self.stopWatching() |
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