Mac/Tools/IDE/PackageManager.py

# Prelude to allow running this as a main program
def _init():
    import macresource
    import sys, os
    macresource.need('DITL', 468, "PythonIDE.rsrc")
    widgetrespathsegs = [sys.exec_prefix, "Mac", "Tools", "IDE", "Widgets.rsrc"]
    widgetresfile = os.path.join(*widgetrespathsegs)
    if not os.path.exists(widgetresfile):
        widgetrespathsegs = [os.pardir, "Tools", "IDE", "Widgets.rsrc"]
        widgetresfile = os.path.join(*widgetrespathsegs)
    refno = macresource.need('CURS', 468, widgetresfile)
    if os.environ.has_key('PYTHONIDEPATH'):
        # For development set this environment variable
        ide_path = os.environ['PYTHONIDEPATH']
    elif refno:
        # We're not a fullblown application
        idepathsegs = [sys.exec_prefix, "Mac", "Tools", "IDE"]
        ide_path = os.path.join(*idepathsegs)
        if not os.path.exists(ide_path):
            idepathsegs = [os.pardir, "Tools", "IDE"]
            for p in sys.path:
                ide_path = os.path.join(*([p]+idepathsegs))
                if os.path.exists(ide_path):
                    break

    else:
        # We are a fully frozen application
        ide_path = sys.argv[0]
    if ide_path not in sys.path:
        sys.path.insert(0, ide_path)

if __name__ == '__main__':
    _init()

import W
import Wapplication
from Carbon import Evt
import EasyDialogs
import FrameWork

import sys
import string
import os
import urllib

import pimp

PACKMAN_HOMEPAGE="http://www.python.org/packman"

ELIPSES = '...'

USER_INSTALL_DIR = os.path.join(os.environ.get('HOME', ''),
                                                                'Library',
                                                                'Python',
                                                                sys.version[:3],
                                                                'site-packages')

class PackageManagerMain(Wapplication.Application):

    def __init__(self):
        self.preffilepath = os.path.join("Python", "Package Install Manager Prefs")
        Wapplication.Application.__init__(self, 'Pimp')
        from Carbon import AE
        from Carbon import AppleEvents
        self.defaulturl = ""

        AE.AEInstallEventHandler(AppleEvents.kCoreEventClass, AppleEvents.kAEOpenApplication,
                        self.ignoreevent)
        AE.AEInstallEventHandler(AppleEvents.kCoreEventClass, AppleEvents.kAEReopenApplication,
                        self.ignoreevent)
        AE.AEInstallEventHandler(AppleEvents.kCoreEventClass, AppleEvents.kAEPrintDocuments,
                        self.ignoreevent)
        AE.AEInstallEventHandler(AppleEvents.kCoreEventClass, AppleEvents.kAEQuitApplication,
                        self.quitevent)
        if 1:
            import PyConsole
            # With -D option (OSX command line only) keep stderr, for debugging the IDE
            # itself.
            debug_stderr = None
            if len(sys.argv) >= 2 and sys.argv[1] == '-D':
                debug_stderr = sys.stderr
                del sys.argv[1]
            PyConsole.installoutput()
            if debug_stderr:
                sys.stderr = debug_stderr
        self.domenu_openstandard()
        self.mainloop()

    def makeusermenus(self):
        m = Wapplication.Menu(self.menubar, "File")
        newitem = FrameWork.MenuItem(m, "Open Standard Database", "N", 'openstandard')
        newexpitem = FrameWork.MenuItem(m, "Open Experimental Database", None, 'openexperimental')
        newexpitem.enable(pimp.PIMP_VERSION >= "0.4")
        openitem = FrameWork.MenuItem(m, "Open"+ELIPSES, "O", 'open')
        openURLitem = FrameWork.MenuItem(m, "Open URL"+ELIPSES, "D", 'openURL')
        FrameWork.Separator(m)
        moreinfoitem = FrameWork.MenuItem(m, "More Databases", None, 'opendatabasepage')
        FrameWork.Separator(m)
        closeitem = FrameWork.MenuItem(m, "Close", "W", 'close')
##              saveitem = FrameWork.MenuItem(m, "Save", "S", 'save')
##              saveasitem = FrameWork.MenuItem(m, "Save as"+ELIPSES, None, 'save_as')
##              FrameWork.Separator(m)

        m = Wapplication.Menu(self.menubar, "Edit")
        undoitem = FrameWork.MenuItem(m, "Undo", 'Z', "undo")
        FrameWork.Separator(m)
        cutitem = FrameWork.MenuItem(m, "Cut", 'X', "cut")
        copyitem = FrameWork.MenuItem(m, "Copy", "C", "copy")
        pasteitem = FrameWork.MenuItem(m, "Paste", "V", "paste")
        FrameWork.MenuItem(m, "Clear", None,  "clear")
        FrameWork.Separator(m)
        selallitem = FrameWork.MenuItem(m, "Select all", "A", "selectall")

        m = Wapplication.Menu(self.menubar, "Package")
        runitem = FrameWork.MenuItem(m, "Install", "I", 'install')
        homepageitem = FrameWork.MenuItem(m, "Visit Homepage", None, 'homepage')

        self.openwindowsmenu = Wapplication.Menu(self.menubar, 'Windows')
        self.makeopenwindowsmenu()
        self.makehelpmenu()
        self._menustocheck = [closeitem,
                        undoitem, cutitem, copyitem, pasteitem,
                        selallitem,
                        runitem, homepageitem]

    def makehelpmenu(self):
        python_app = os.path.join(sys.prefix, 'Resources/Python.app')
        help_source = os.path.join(python_app, 'Contents/Resources/English.lproj/Documentation')
        hashelp = os.path.isdir(help_source)

        self.helpmenu = m = self.gethelpmenu()
        helpitem1 = FrameWork.MenuItem(m, "PackageManager Help", None, self.domenu_packmanhelp)
        helpitem1.enable(hashelp)
        helpitem2 = FrameWork.MenuItem(m, "MacPython Help", None, self.domenu_pythonhelp)
        helpitem2.enable(hashelp)

    def quitevent(self, theAppleEvent, theReply):
        self._quit()

    def ignoreevent(self, theAppleEvent, theReply):
        pass

    def opendocsevent(self, theAppleEvent, theReply):
        W.SetCursor('watch')
        import aetools
        parameters, args = aetools.unpackevent(theAppleEvent)
        docs = parameters['----']
        if type(docs) <> type([]):
            docs = [docs]
        for doc in docs:
            fsr, a = doc.FSResolveAlias(None)
            path = fsr.as_pathname()
            path = urllib.pathname2url(path)
            self.opendoc(path)

    def opendoc(self, url):
        if url:
            self.defaulturl = url
        PackageBrowser(url)

    def getabouttext(self):
        return "About Package Manager"+ELIPSES

    def do_about(self, id, item, window, event):
        EasyDialogs.Message("Package Install Manager for Python\nPackMan engine (pimp) version: %s" %
                pimp.PIMP_VERSION)

    def domenu_openstandard(self, *args):
        if pimp.PIMP_VERSION >= "0.4":
            url = pimp.getDefaultDatabase()
        else:
            # 0.3 compatibility
            url = None
        self.opendoc(url)

    def domenu_openexperimental(self, *args):
        database = pimp.getDefaultDatabase(experimental=True)
        self.opendoc(database)

    def domenu_open(self, *args):
        filename = EasyDialogs.AskFileForOpen(typeList=("TEXT",))
        if filename:
            filename = urllib.pathname2url(filename)
            self.opendoc(filename)

    def domenu_openURL(self, *args):
        ok = EasyDialogs.AskYesNoCancel(
                "Warning: by opening a non-standard database "
                "you are trusting the maintainer of it "
                "to run arbitrary code on your machine.",
                yes="OK", no="")
        if ok <= 0: return
        url = EasyDialogs.AskString("URL of database to open:",
                default=self.defaulturl, ok="Open")
        if url:
            self.opendoc(url)

    def domenu_opendatabasepage(self):
        import ic

        icr = ic.IC()
        icr.launchurl(PACKMAN_HOMEPAGE)
    def makeopenwindowsmenu(self):
        for i in range(len(self.openwindowsmenu.items)):
            self.openwindowsmenu.menu.DeleteMenuItem(1)
            self.openwindowsmenu.items = []
        windows = []
        self._openwindows = {}
        for window in self._windows.keys():
            title = window.GetWTitle()
            if not title:
                title = "<no title>"
            windows.append((title, window))
        windows.sort()
        for title, window in windows:
            shortcut = None
            item = FrameWork.MenuItem(self.openwindowsmenu, title, shortcut, callback = self.domenu_openwindows)
            self._openwindows[item.item] = window
        self._openwindowscheckmark = 0
        self.checkopenwindowsmenu()

    def domenu_openwindows(self, id, item, window, event):
        w = self._openwindows[item]
        w.ShowWindow()
        w.SelectWindow()

    def domenu_quit(self):
        self._quit()

    def domenu_save(self, *args):
        print "Save"

    def domenu_pythonhelp(self, *args):
        from Carbon import AH
        AH.AHGotoPage("MacPython Help", None, None)

    def domenu_packmanhelp(self, *args):
        from Carbon import AH
        AH.AHGotoPage("MacPython Help", "packman.html", None)

    def _quit(self):
##              import PyConsole, PyEdit
        for window in self._windows.values():
            try:
                rv = window.close() # ignore any errors while quitting
            except:
                rv = 0   # (otherwise, we can get stuck!)
            if rv and rv > 0:
                return
##              try:
##                      PyConsole.console.writeprefs()
##                      PyConsole.output.writeprefs()
##                      PyEdit.searchengine.writeprefs()
##              except:
##                      # Write to __stderr__ so the msg end up in Console.app and has
##                      # at least _some_ chance of getting read...
##                      # But: this is a workaround for way more serious problems with
##                      # the Python 2.2 Jaguar addon.
##                      sys.__stderr__.write("*** PythonIDE: Can't write preferences ***\n")
        self.quitting = 1

class PimpInterface:

    def setuppimp(self, url):
        self.pimpprefs = pimp.PimpPreferences()
        self.pimpdb = pimp.PimpDatabase(self.pimpprefs)
        if not url:
            url = self.pimpprefs.pimpDatabase
        try:
            self.pimpdb.appendURL(url)
        except IOError, arg:
            rv = "Cannot open %s: %s\n" % (url, arg)
            rv += "\nSee MacPython Package Manager help page."
            return rv
        except:
            rv = "Unspecified error while parsing database: %s\n" % url
            rv += "Usually, this means the database is not correctly formatted.\n"
            rv += "\nSee MacPython Package Manager help page."
            return rv
        # Check whether we can write the installation directory.
        # If not, set to the per-user directory, possibly
        # creating it, if needed.
        installDir = self.pimpprefs.installDir
        if not os.access(installDir, os.R_OK|os.W_OK|os.X_OK):
            rv = self.setuserinstall(1)
            if rv: return rv
        return self.pimpprefs.check()

    def closepimp(self):
        self.pimpdb.close()
        self.pimpprefs = None
        self.pimpdb = None
        self.packages = []

    def setuserinstall(self, onoff):
        rv = ""
        if onoff:
            if not os.path.exists(USER_INSTALL_DIR):
                try:
                    os.makedirs(USER_INSTALL_DIR)
                except OSError, arg:
                    rv = rv + arg + "\n"
            if not USER_INSTALL_DIR in sys.path:
                import site
                reload(site)
            self.pimpprefs.setInstallDir(USER_INSTALL_DIR)
        else:
            self.pimpprefs.setInstallDir(None)
        rv = rv + self.pimpprefs.check()
        return rv

    def getuserinstall(self):
        return self.pimpprefs.installDir == USER_INSTALL_DIR

    def getbrowserdata(self, show_hidden=1):
        packages = self.pimpdb.list()
        if show_hidden:
            self.packages = packages
        else:
            self.packages = []
            for pkg in packages:
                name = pkg.fullname()
                if name[0] == '(' and name[-1] == ')' and not show_hidden:
                    continue
                self.packages.append(pkg)
        rv = []
        for pkg in self.packages:
            name = pkg.fullname()
            status, _ = pkg.installed()
            description = pkg.description()
            description_line1 = description.split('\n')[0]
            rv.append((status, name, description_line1))
        return rv

    def getstatus(self, number):
        pkg = self.packages[number]
        return pkg.installed()

    def installpackage(self, sel, output, recursive, force):
        pkg = self.packages[sel]
        pimpinstaller = pimp.PimpInstaller(self.pimpdb)
        list, messages = pimpinstaller.prepareInstall(pkg, force, recursive)
        if messages:
            return messages
        messages = pimpinstaller.install(list, output)
        return messages

class PackageBrowser(PimpInterface):

    def __init__(self, url = None):
        self.ic = None
        messages = self.setuppimp(url)
        self.setupwidgets()
        self.updatestatus()
        self.showmessages(messages)

    def close(self):
        self.closepimp()

    def setupwidgets(self):
        DESCRIPTION_HEIGHT = 140
        INSTALL_POS = -30
        STATUS_POS = INSTALL_POS - (70 + DESCRIPTION_HEIGHT)
        self.w = W.Window((580, 600), "Python Install Manager", minsize = (400, 400), tabbable = 0)
        self.w.titlebar = W.TextBox((4, 8, 60, 18), 'Packages:')
        self.w.hidden_button = W.CheckBox((-100, 4, 0, 18), 'Show Hidden', self.updatestatus)
        data = self.getbrowserdata()
        self.w.packagebrowser = W.MultiList((4, 24, 0, STATUS_POS-2), data, self.listhit, cols=3)

        self.w.installed_l = W.TextBox((4, STATUS_POS, 70, 12), 'Installed:')
        self.w.installed = W.TextBox((74, STATUS_POS, 0, 12), '')
        self.w.message_l = W.TextBox((4, STATUS_POS+20, 70, 12), 'Status:')
        self.w.message = W.TextBox((74, STATUS_POS+20, 0, 12), '')
        self.w.homepage_button = W.Button((4, STATUS_POS+40, 96, 18), 'View homepage', self.do_homepage)
        self.w.description_l = W.TextBox((4, STATUS_POS+70, 70, 12), 'Description:')
        self.w.description = W.EditText((74, STATUS_POS+70, 0, DESCRIPTION_HEIGHT-4))

        self.w.divline = W.HorizontalLine((0, INSTALL_POS-4, 0, 0))
        self.w.verbose_button = W.CheckBox((84, INSTALL_POS+4, 60, 18), 'Verbose')
        self.w.recursive_button = W.CheckBox((146, INSTALL_POS+4, 120, 18), 'Install dependencies', self.updatestatus)
        self.w.recursive_button.set(1)
        self.w.force_button = W.CheckBox((268, INSTALL_POS+4, 70, 18), 'Overwrite', self.updatestatus)
        self.w.user_button = W.CheckBox((340, INSTALL_POS+4, 140, 18), 'For Current User Only', self.do_user)
        self.w.install_button = W.Button((4, INSTALL_POS+4, 56, 18), 'Install:', self.do_install)
        self.w.open()
        self.w.description.enable(0)

    def updatestatus(self):
        topcell = self.w.packagebrowser.gettopcell()
        sel = self.w.packagebrowser.getselection()
        data = self.getbrowserdata(self.w.hidden_button.get())
        self.w.packagebrowser.setitems(data)
        self.w.user_button.set(self.getuserinstall())
        if len(sel) != 1:
            self.w.installed.set('')
            self.w.message.set('')
            self.w.install_button.enable(0)
            self.w.homepage_button.enable(0)
            self.w.description.set('')
            self.w.verbose_button.enable(0)
            self.w.recursive_button.enable(0)
            self.w.force_button.enable(0)
            self.w.user_button.enable(0)
        else:
            sel = sel[0]
            if sel >= len(self.packages):
                sel = 0
            self.w.packagebrowser.setselection([sel])
            installed, message = self.getstatus(sel)
            self.w.installed.set(installed)
            self.w.message.set(message)
            self.w.install_button.enable(installed != "yes" or self.w.force_button.get())
            self.w.homepage_button.enable(not not self.packages[sel].homepage())
            description = self.packages[sel].description()
            description = description.splitlines()
            description = '\r'.join(description)
            self.w.description.set(description)
            self.w.verbose_button.enable(1)
            self.w.recursive_button.enable(1)
            self.w.force_button.enable(1)
            self.w.user_button.enable(1)
        self.w.packagebrowser.settopcell(topcell)

    def listhit(self, *args, **kwargs):
        self.updatestatus()

    def do_install(self):
        sel = self.w.packagebrowser.getselection()[0]
        if self.w.verbose_button.get():
            output = sys.stdout
        else:
            output = None
        recursive = self.w.recursive_button.get()
        force = self.w.force_button.get()
        messages = self.installpackage(sel, output, recursive, force)

        # Re-read .pth files
        import site
        reload(site)

        self.updatestatus()
        self.showmessages(messages)

    def showmessages(self, messages):
        if messages:
            # To be on the safe side we always show the hidden packages,
            # they may be referred to in the error messages.
            if not self.w.hidden_button.get():
                self.w.hidden_button.set(1)
                self.updatestatus()
            if type(messages) == list:
                messages = '\n'.join(messages)
            if self.w.verbose_button.get():
                sys.stdout.write(messages + '\n')
            EasyDialogs.Message(messages)

    def do_homepage(self):
        sel = self.w.packagebrowser.getselection()[0]
        if not self.ic:
            import ic

            self.ic = ic.IC()
        self.ic.launchurl(self.packages[sel].homepage())

    def do_user(self):
        messages = self.setuserinstall(self.w.user_button.get())
        self.updatestatus()
        self.showmessages(messages)

if __name__ == '__main__':
    PackageManagerMain()