install.py

Sat, 19 Jul 2014 13:56:43 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 19 Jul 2014 13:56:43 +0200
changeset 3705
a88eb398a4ed
parent 3697
c947a7eaace4
child 3714
4080395e3426
permissions
-rw-r--r--

Fixed an issue in the install script causing a wrong application name on Mac.

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# Copyright (c) 2002-2014 Detlev Offenbach <detlev@die-offenbachs.de>
#
# This is the install script for eric6.

"""
Installation script for the eric6 IDE and all eric6 related tools.
"""

from __future__ import unicode_literals
from __future__ import print_function
try:
    import cStringIO as io
except (ImportError):
    import io    # __IGNORE_WARNING__

import sys
import os
import re
import compileall
import py_compile
import glob
import shutil
import fnmatch
import distutils.sysconfig
import codecs

# Define the globals.
progName = None
currDir = os.getcwd()
modDir = None
pyModDir = None
platBinDir = None
distDir = None
apisDir = None
doCleanup = True
doCompile = True
includePythonVariant = False
cfg = {}
progLanguages = ["Python", "Ruby", "QSS"]
sourceDir = "eric"
configName = 'eric6config.py'
defaultMacAppBundleName = "eric6.app"
macAppBundleName = "eric6.app"
macAppBundlePath = "/Applications"
macPythonExe = "{0}/Resources/Python.app/Contents/MacOS/Python".format(
    sys.exec_prefix)

# Define blacklisted versions of the prerequisites
BlackLists = {
    "sip": ["4.11", "4.12.3"],
    "PyQt5": [],
    "QScintilla2": [],
}
PlatformsBlackLists = {
    "windows": {
        "sip": [],
        "PyQt5": [],
        "QScintilla2": [],
    },
    
    "linux": {
        "sip": [],
        "PyQt5": [],
        "QScintilla2": [],
    },
    
    "mac": {
        "sip": [],
        "PyQt5": [],
        "QScintilla2": [],
    },
}

# Define file name markers for Python variants
PythonMarkers = {
    2: "_py2",
    3: "_py3",
}


def exit(rcode=0):
    """
    Exit the install script.
    
    @param rcode result code to report back (integer)
    """
    global currDir
    
    if sys.platform.startswith("win"):
        # different meaning of input between Py2 and Py3
        try:
            input("Press enter to continue...")
        except (EOFError, SyntaxError):
            pass
    
    os.chdir(currDir)
    
    sys.exit(rcode)


def usage(rcode=2):
    """
    Display a usage message and exit.

    @param rcode the return code passed back to the calling process.
    """
    global progName, modDir, distDir, apisDir
    global macAppBundleName, macAppBundlePath, macPythonExe

    print()
    print("Usage:")
    if sys.platform == "darwin":
        print("    {0} [-chxyz] [-a dir] [-b dir] [-d dir] [-f file] [-i dir]"
              " [-m name] [-p python]".format(progName))
    elif sys.platform.startswith("win"):
        print("    {0} [-chxyz] [-a dir] [-b dir] [-d dir] [-f file]"
              .format(progName))
    else:
        print("    {0} [-chxyz] [-a dir] [-b dir] [-d dir] [-f file] [-i dir]"
              .format(progName))
    print("where:")
    print("    -h        display this help message")
    print("    -a dir    where the API files will be installed")
    if apisDir:
        print("              (default: {0})".format(apisDir))
    else:
        print("              (no default value)")
    print("    -b dir    where the binaries will be installed")
    print("              (default: {0})".format(platBinDir))
    print("    -d dir    where eric6 python files will be installed")
    print("              (default: {0})".format(modDir))
    print("    -f file   configuration file naming the various installation"
          " paths")
    if not sys.platform.startswith("win"):
        print("    -i dir    temporary install prefix")
        print("              (default: {0})".format(distDir))
    if sys.platform == "darwin":
        print("    -m name   name of the Mac app bundle")
        print("              (default: {0})".format(macAppBundleName))
        print("    -n path   path of the directory the Mac app bundle will")
        print("              be created in")
        print("              (default: {0}".format(macAppBundlePath))
        print("    -p python name of the python executable")
        print("              (default: {0})".format(macPythonExe))
    print("    -c        don't cleanup old installation first")
    print("    -x        don't perform dependency checks (use on your own"
          " risk)")
    print("    -y        add the Python variant to the executable names")
    print("    -z        don't compile the installed python files")
    print()
    print("The file given to the -f option must be valid Python code"
          " defining a")
    print("dictionary called 'cfg' with the keys 'ericDir', 'ericPixDir',"
          " 'ericIconDir',")
    print("'ericDTDDir', 'ericCSSDir', 'ericStylesDir', 'ericDocDir',"
          " 'ericExamplesDir',")
    print("'ericTranslationsDir', 'ericTemplatesDir', 'ericCodeTemplatesDir',")
    print("'ericOthersDir','bindir', 'mdir' and 'apidir.")
    print("These define the directories for the installation of the various"
          " parts of eric6.")

    exit(rcode)


def initGlobals():
    """
    Module function to set the values of globals that need more than a
    simple assignment.
    """
    global platBinDir, modDir, pyModDir, apisDir

    if sys.platform.startswith("win"):
        platBinDir = sys.exec_prefix
        if platBinDir.endswith("\\"):
            platBinDir = platBinDir[:-1]
    else:
        platBinDir = "/usr/local/bin"

    modDir = distutils.sysconfig.get_python_lib(True)
    pyModDir = modDir
    
    pyqtDataDir = os.path.join(modDir, "PyQt5")
    if os.path.exists(os.path.join(pyqtDataDir, "qsci")):
        # it's the installer
        qtDataDir = pyqtDataDir
    else:
        try:
            from PyQt5.QtCore import QLibraryInfo
            qtDataDir = QLibraryInfo.location(QLibraryInfo.DataPath)
        except ImportError:
            qtDataDir = None
    if qtDataDir:
        apisDir = os.path.join(qtDataDir, "qsci", "api")
    else:
        apisDir = None


def copyToFile(name, text):
    """
    Copy a string to a file.

    @param name the name of the file.
    @param text the contents to copy to the file.
    """
    f = open(name, "w")
    if sys.version_info[0] == 2:
        text = codecs.encode(text, "utf-8")
    f.write(text)
    f.close()


def wrapperName(dname, wfile):
    """
    Create the platform specific name for the wrapper script.
    
    @param dname name of the directory to place the wrapper into
    @param wfile basename (without extension) of the wrapper script
    @return the name of the wrapper script
    """
    if sys.platform.startswith("win"):
        wname = dname + "\\" + wfile + ".bat"
    else:
        wname = dname + "/" + wfile

    return wname


def createPyWrapper(pydir, wfile, isGuiScript=True):
    """
    Create an executable wrapper for a Python script.

    @param pydir the name of the directory where the Python script will
        eventually be installed (string)
    @param wfile the basename of the wrapper (string)
    @param isGuiScript flag indicating a wrapper script for a GUI
        application (boolean)
    @return the platform specific name of the wrapper (string)
    """
    global includePythonVariant
    
    if includePythonVariant:
        marker = PythonMarkers[sys.version_info.major]
    else:
        marker = ""
    
    # all kinds of Windows systems
    if sys.platform.startswith("win"):
        wname = wfile + marker + ".bat"
        if isGuiScript:
            wrapper = \
                '''@echo off\n''' \
                '''start "" "{2}\\pythonw.exe"''' \
                ''' "{0}\\{1}.pyw"''' \
                ''' %1 %2 %3 %4 %5 %6 %7 %8 %9\n'''.format(
                    pydir, wfile, sys.exec_prefix)
        else:
            wrapper = \
                '''@"{0}\\python" "{1}\\{2}.py"''' \
                ''' %1 %2 %3 %4 %5 %6 %7 %8 %9\n'''.format(
                    sys.exec_prefix, pydir, wfile)

    # Mac OS X
    elif sys.platform == "darwin":
        major = sys.version_info.major
        pyexec = "{0}/bin/pythonw{1}".format(sys.exec_prefix, major)
        if not os.path.exists(pyexec):
            pyexec = "{0}/bin/python{1}".format(sys.exec_prefix, major)
        wname = wfile + marker
        wrapper = ('''#!/bin/sh\n'''
                   '''\n'''
                   '''exec "{0}" "{1}/{2}.py" "$@"\n'''
                   .format(pyexec, pydir, wfile))

    # *nix systems
    else:
        wname = wfile + marker
        wrapper = ('''#!/bin/sh\n'''
                   '''\n'''
                   '''exec "{0}" "{1}/{2}.py" "$@"\n'''
                   .format(sys.executable, pydir, wfile))

    copyToFile(wname, wrapper)
    os.chmod(wname, 0o755)

    return wname


def copyTree(src, dst, filters, excludeDirs=[], excludePatterns=[]):
    """
    Copy Python, translation, documentation, wizards configuration,
    designer template files and DTDs of a directory tree.
    
    @param src name of the source directory
    @param dst name of the destination directory
    @param filters list of filter pattern determining the files to be copied
    @param excludeDirs list of (sub)directories to exclude from copying
    @keyparam excludePatterns list of filter pattern determining the files to
        be skipped
    """
    try:
        names = os.listdir(src)
    except OSError:
        # ignore missing directories (most probably the i18n directory)
        return
    
    for name in names:
        skipIt = False
        for excludePattern in excludePatterns:
            if fnmatch.fnmatch(name, excludePattern):
                skipIt = True
                break
        if not skipIt:
            srcname = os.path.join(src, name)
            dstname = os.path.join(dst, name)
            for filter in filters:
                if fnmatch.fnmatch(srcname, filter):
                    if not os.path.isdir(dst):
                        os.makedirs(dst)
                    shutil.copy2(srcname, dstname)
                    os.chmod(dstname, 0o644)
                    break
            else:
                if os.path.isdir(srcname) and srcname not in excludeDirs:
                    copyTree(srcname, dstname, filters,
                             excludePatterns=excludePatterns)


def createGlobalPluginsDir():
    """
    Create the global plugins directory, if it doesn't exist.
    """
    global cfg, distDir
    
    pdir = os.path.join(cfg['mdir'], "eric6plugins")
    fname = os.path.join(pdir, "__init__.py")
    if not os.path.exists(fname):
        if not os.path.exists(pdir):
            os.mkdir(pdir, 0o755)
        f = open(fname, "w")
        f.write(
'''# -*- coding: utf-8 -*-

"""
Package containing the global plugins.
"""
'''
        )
        f.close()
        os.chmod(fname, 0o644)


def cleanupSource(dirName):
    """
    Cleanup the sources directory to get rid of leftover files
    and directories.
    
    @param dirName name of the directory to prune (string)
    """
    # step 1: delete all Ui_*.py files without a corresponding
    #         *.ui file
    dirListing = os.listdir(dirName)
    for formName, sourceName in [
        (f.replace('Ui_', "").replace(".py", ".ui"), f)
            for f in dirListing if fnmatch.fnmatch(f, "Ui_*.py")]:
        if not os.path.exists(os.path.join(dirName, formName)):
            os.remove(os.path.join(dirName, sourceName))
            if os.path.exists(os.path.join(dirName, sourceName + "c")):
                os.remove(os.path.join(dirName, sourceName + "c"))
    
    # step 2: delete the __pycache__ directory and all *.pyc files
    if os.path.exists(os.path.join(dirName, "__pycache__")):
        shutil.rmtree(os.path.join(dirName, "__pycache__"))
    for name in [f for f in dirListing if fnmatch.fnmatch(f, "*.pyc")]:
        os.remove(os.path.join(dirName, name))
    
    # step 3: descent into subdirectories and delete them if empty
    for name in os.listdir(dirName):
        name = os.path.join(dirName, name)
        if os.path.isdir(name):
            cleanupSource(name)
            if len(os.listdir(name)) == 0:
                os.rmdir(name)


def cleanUp():
    """
    Uninstall the old eric files.
    """
    global platBinDir, includePythonVariant
    
    try:
        from eric6config import getConfig
    except ImportError:
        # eric6 wasn't installed previously
        return
    
    global pyModDir, progLanguages
    
    # Remove the menu entry for Linux systems
    if sys.platform.startswith("linux"):
        for name in ["/usr/share/pixmaps/eric.png",
                     "/usr/share/applications/eric6.desktop",
                     "/usr/share/appdata/eric6.appdata.xml",
                     "/usr/share/pixmaps/ericWeb.png",
                     "/usr/share/applications/eric6_webbrowser.desktop"]:
            if os.path.exists(name):
                os.remove(name)
    
    # Remove the wrapper scripts
    rem_wnames = [
        "eric6_api", "eric6_compare",
        "eric6_configure", "eric6_diff",
        "eric6_doc", "eric6_qregularexpression",
        "eric6_qregexp", "eric6_re",
        "eric6_trpreviewer", "eric6_uipreviewer",
        "eric6_unittest", "eric6",
        "eric6_tray", "eric6_editor",
        "eric6_plugininstall", "eric6_pluginuninstall",
        "eric6_pluginrepository", "eric6_sqlbrowser",
        "eric6_webbrowser", "eric6_iconeditor",
        "eric6_snap",
    ]
    if includePythonVariant:
        marker = PythonMarkers[sys.version_info.major]
        rem_wnames = [n + marker for n in rem_wnames]
    
    try:
        for rem_wname in rem_wnames:
            for d in [platBinDir, getConfig('bindir')]:
                rwname = wrapperName(d, rem_wname)
                if os.path.exists(rwname):
                    os.remove(rwname)
        
        # Cleanup our config file(s)
        for name in ['eric6config.py', 'eric6config.pyc', 'eric6.pth']:
            e5cfile = os.path.join(pyModDir, name)
            if os.path.exists(e5cfile):
                os.remove(e5cfile)
            e5cfile = os.path.join(pyModDir, "__pycache__", name)
            path, ext = os.path.splitext(e5cfile)
            for f in glob.glob("{0}.*{1}".format(path, ext)):
                os.remove(f)
            
        # Cleanup the install directories
        for name in ['ericExamplesDir', 'ericDocDir', 'ericDTDDir',
                     'ericCSSDir', 'ericIconDir', 'ericPixDir',
                     'ericTemplatesDir', 'ericCodeTemplatesDir',
                     'ericOthersDir', 'ericStylesDir', 'ericDir']:
            if os.path.exists(getConfig(name)):
                shutil.rmtree(getConfig(name), True)
        
        # Cleanup translations
        for name in glob.glob(
                os.path.join(getConfig('ericTranslationsDir'), 'eric6_*.qm')):
            if os.path.exists(name):
                os.remove(name)
        
        # Cleanup API files
        try:
            apidir = getConfig('apidir')
            for progLanguage in progLanguages:
                for name in getConfig('apis'):
                    apiname = os.path.join(apidir, progLanguage.lower(), name)
                    if os.path.exists(apiname):
                        os.remove(apiname)
                for apiname in glob.glob(
                        os.path.join(apidir, progLanguage.lower(), "*.bas")):
                    if os.path.basename(apiname) != "eric5.bas":
                        os.remove(apiname)
        except AttributeError:
            pass
        
        if sys.platform == "darwin":
            # delete the Mac app bundle
            if os.path.exists("/Developer/Applications/Eric6"):
                shutil.rmtree("/Developer/Applications/Eric6")
            try:
                macAppBundlePath = getConfig("macAppBundlePath")
                macAppBundleName = getConfig("macAppBundleName")
            except AttributeError:
                macAppBundlePath = "/Applications"
                macAppBundleName = "eric6.app"
            if os.path.exists("/Applications/" + macAppBundleName):
                shutil.rmtree("/Applications/" + macAppBundleName)
            bundlePath = os.path.join(macAppBundlePath, macAppBundleName)
            if os.path.exists(bundlePath):
                shutil.rmtree(bundlePath)
    except (IOError, OSError) as msg:
        sys.stderr.write(
            'Error: {0}\nTry install with admin rights.\n'.format(msg))
        exit(7)


def shutilCopy(src, dst, perm=0o644):
    """
    Wrapper function around shutil.copy() to ensure the permissions.
    
    @param src source file name (string)
    @param dst destination file name or directory name (string)
    @keyparam perm permissions to be set (integer)
    """
    shutil.copy(src, dst)
    if os.path.isdir(dst):
        dst = os.path.join(dst, os.path.basename(src))
    os.chmod(dst, perm)


def installEric():
    """
    Actually perform the installation steps.
    
    @return result code (integer)
    """
    global distDir, doCleanup, cfg, progLanguages, sourceDir, configName
    
    # Create the platform specific wrappers.
    wnames = []
    for name in ["eric6_api", "eric6_doc"]:
        wnames.append(createPyWrapper(cfg['ericDir'], name, False))
    for name in ["eric6_compare", "eric6_configure", "eric6_diff",
                 "eric6_editor", "eric6_iconeditor", "eric6_plugininstall",
                 "eric6_pluginrepository", "eric6_pluginuninstall",
                 "eric6_qregexp", "eric6_qregularexpression", "eric6_re",
                 "eric6_snap", "eric6_sqlbrowser", "eric6_tray",
                 "eric6_trpreviewer", "eric6_uipreviewer", "eric6_unittest",
                 "eric6_webbrowser", "eric6"]:
        wnames.append(createPyWrapper(cfg['ericDir'], name))
    
    # set install prefix, if not None
    if distDir:
        for key in list(cfg.keys()):
            cfg[key] = os.path.normpath(distDir + os.sep + cfg[key])
    
    try:
        # Install the files
        # make the install directories
        for key in list(cfg.keys()):
            if not os.path.isdir(cfg[key]):
                os.makedirs(cfg[key])
        
        # copy the eric6 config file
        if distDir:
            shutilCopy(configName, cfg['mdir'])
            if os.path.exists(configName + 'c'):
                shutilCopy(configName + 'c', cfg['mdir'])
        else:
            shutilCopy(configName, modDir)
            if os.path.exists(configName + 'c'):
                shutilCopy(configName + 'c', modDir)
        
        # copy the various parts of eric6
        copyTree(
            sourceDir, cfg['ericDir'],
            ['*.py', '*.pyc', '*.pyo', '*.pyw'],
            ['{1}{0}Examples'.format(os.sep, sourceDir)],
            excludePatterns=["eric6config.py*"])
        copyTree(
            sourceDir, cfg['ericDir'], ['*.rb'],
            ['{1}{0}Examples'.format(os.sep, sourceDir)])
        copyTree(
            '{1}{0}Plugins'.format(os.sep, sourceDir),
            '{0}{1}Plugins'.format(cfg['ericDir'], os.sep),
            ['*.png', '*.style'])
        copyTree(
            '{1}{0}Documentation'.format(os.sep, sourceDir), cfg['ericDocDir'],
            ['*.html', '*.qch'])
        copyTree(
            '{1}{0}DTDs'.format(os.sep, sourceDir), cfg['ericDTDDir'],
            ['*.dtd'])
        copyTree(
            '{1}{0}CSSs'.format(os.sep, sourceDir), cfg['ericCSSDir'],
            ['*.css'])
        copyTree(
            '{1}{0}Styles'.format(os.sep, sourceDir), cfg['ericStylesDir'],
            ['*.qss'])
        copyTree(
            '{1}{0}i18n'.format(os.sep, sourceDir), cfg['ericTranslationsDir'],
            ['*.qm'])
        copyTree(
            '{1}{0}icons'.format(os.sep, sourceDir), cfg['ericIconDir'],
            ['*.png', 'LICENSE*.*', 'readme.txt'])
        copyTree(
            '{1}{0}pixmaps'.format(os.sep, sourceDir), cfg['ericPixDir'],
            ['*.png', '*.xpm', '*.ico', '*.gif'])
        copyTree(
            '{1}{0}DesignerTemplates'.format(os.sep, sourceDir),
            cfg['ericTemplatesDir'],
            ['*.tmpl'])
        copyTree(
            '{1}{0}CodeTemplates'.format(os.sep, sourceDir),
            cfg['ericCodeTemplatesDir'],
            ['*.tmpl'])
        copyTree(
            '{1}{0}Examples'.format(os.sep, sourceDir), cfg['ericExamplesDir'],
            ['*.py', '*.pyc', '*.pyo'])
        
        # copy the wrappers
        for wname in wnames:
            shutilCopy(wname, cfg['bindir'], perm=0o755)
            os.remove(wname)
        
        # copy the license file
        shutilCopy(
            '{1}{0}LICENSE.GPL3'.format(os.sep, sourceDir), cfg['ericDir'])
        
        # create the global plugins directory
        createGlobalPluginsDir()
        
    except (IOError, OSError) as msg:
        sys.stderr.write(
            'Error: {0}\nTry install with admin rights.\n'.format(msg))
        return(7)
    
    # copy some text files to the doc area
    for name in ["LICENSE.GPL3", "THANKS", "changelog"]:
        try:
            shutilCopy(
                '{2}{0}{1}'.format(os.sep, name, sourceDir), cfg['ericDocDir'])
        except EnvironmentError:
            print("Could not install '{2}{0}{1}'.".format(
                os.sep, name, sourceDir))
    for name in glob.glob(os.path.join(sourceDir, 'README*.*')):
        try:
            shutilCopy(name, cfg['ericDocDir'])
        except EnvironmentError:
            print("Could not install '{1}'.".format(name))
   
    # copy some more stuff
    for name in ['default.e4k', 'default_Mac.e4k']:
        try:
            shutilCopy(
                '{2}{0}{1}'.format(os.sep, name, sourceDir),
                cfg['ericOthersDir'])
        except EnvironmentError:
            print("Could not install '{2}{0}{1}'.".format(
                os.sep, name, sourceDir))
    
    # install the API file
    for progLanguage in progLanguages:
        apidir = os.path.join(cfg['apidir'], progLanguage.lower())
        if not os.path.exists(apidir):
            os.makedirs(apidir)
        for apiName in glob.glob(os.path.join(sourceDir, "APIs",
                                              progLanguage, "*.api")):
            try:
                shutilCopy(apiName, apidir)
            except EnvironmentError:
                print("Could not install '{0}'.".format(apiName))
        for apiName in glob.glob(os.path.join(sourceDir, "APIs",
                                              progLanguage, "*.bas")):
            try:
                shutilCopy(apiName, apidir)
            except EnvironmentError:
                print("Could not install '{0}'.".format(apiName))
        if progLanguage == "Python":
            # copy Python3 API files to the same destination
            for apiName in glob.glob(os.path.join(sourceDir, "APIs",
                                                  "Python3", "*.api")):
                try:
                    shutilCopy(apiName, apidir)
                except EnvironmentError:
                    print("Could not install '{0}'.".format(apiName))
            for apiName in glob.glob(os.path.join(sourceDir, "APIs",
                                                  "Python3", "*.bas")):
                if os.path.exists(os.path.join(
                    apidir, os.path.basename(
                        apiName.replace(".bas", ".api")))):
                    try:
                        shutilCopy(apiName, apidir)
                    except EnvironmentError:
                        print("Could not install '{0}'.".format(apiName))
    
    # create menu entry for Linux systems
    if sys.platform.startswith("linux"):
        if distDir:
            dst = os.path.normpath(os.path.join(distDir, "usr/share/pixmaps"))
            if not os.path.exists(dst):
                os.makedirs(dst)
            shutilCopy(
                os.path.join(sourceDir, "icons", "default", "eric.png"),
                os.path.join(dst, "eric.png"))
            shutilCopy(
                os.path.join(sourceDir, "icons", "default", "ericWeb48.png"),
                os.path.join(dst, "ericWeb.png"))
            dst = os.path.normpath(
                os.path.join(distDir, "usr/share/applications"))
            if not os.path.exists(dst):
                os.makedirs(dst)
            shutilCopy(os.path.join(sourceDir, "eric6.desktop"), dst)
            shutilCopy(os.path.join(sourceDir, "eric6_webbrowser.desktop"),
                       dst)
            dst = os.path.normpath(
                os.path.join(distDir, "usr/share/appdata"))
            if not os.path.exists(dst):
                os.makedirs(dst)
            shutilCopy(os.path.join(sourceDir, "eric6.appdata.xml"), dst)
        else:
            shutilCopy(os.path.join(
                sourceDir, "icons", "default", "eric.png"),
                "/usr/share/pixmaps/eric.png")
            shutilCopy(os.path.join(
                sourceDir, "eric6.desktop"),
                "/usr/share/applications")
            if os.path.exists("/usr/share/appdata"):
                shutilCopy(os.path.join(
                    sourceDir, "eric6.appdata.xml"),
                    "/usr/share/appdata")
            shutilCopy(os.path.join(
                sourceDir, "icons", "default", "ericWeb48.png"),
                "/usr/share/pixmaps/ericWeb.png")
            shutilCopy(os.path.join(
                sourceDir, "eric6_webbrowser.desktop"),
                "/usr/share/applications")
    
    # Create a Mac application bundle
    if sys.platform == "darwin":
        createMacAppBundle(cfg['ericDir'])
    
    return 0


def createMacAppBundle(pydir):
    """
    Create a Mac application bundle.

    @param pydir the name of the directory where the Python script will
        eventually be installed (string)
    """
    global cfg, sourceDir, macAppBundleName, macPythonExe, macAppBundlePath
    
    dirs = {
        "contents": "{0}/{1}/Contents/".format(
            macAppBundlePath, macAppBundleName),
        "exe": "{0}/{1}/Contents/MacOS".format(
            macAppBundlePath, macAppBundleName),
        "icns": "{0}/{1}/Contents/Resources".format(
            macAppBundlePath, macAppBundleName)
    }
    os.makedirs(dirs["contents"])
    os.makedirs(dirs["exe"])
    os.makedirs(dirs["icns"])
    
    if macAppBundleName == defaultMacAppBundleName:
        starter = os.path.join(dirs["exe"], "eric")
        os.symlink(macPythonExe, starter)
    else:
        starter = "python{0}".format(sys.version_info.major)
    
    wname = os.path.join(dirs["exe"], "eric6")
    path = os.getenv("PATH", "")
    if path:
        pybin = os.path.join(sys.exec_prefix, "bin")
        pathlist = path.split(os.pathsep)
        if pybin not in pathlist:
            pathlist.insert(0, pybin)
        path = os.pathsep.join(pathlist)
        wrapper = ('''#!/bin/sh\n'''
                   '''\n'''
                   '''PATH={0}\n'''
                   '''exec "{1}" "{2}/{3}.py" "$@"\n'''
                   .format(path, starter, pydir, "eric6"))
    else:
        wrapper = ('''#!/bin/sh\n'''
                   '''\n'''
                   '''exec "{0}" "{1}/{2}.py" "$@"\n'''
                   .format(starter, pydir, "eric6"))
    copyToFile(wname, wrapper)
    os.chmod(wname, 0o755)
    
    shutilCopy(os.path.join(sourceDir, "pixmaps", "eric_2.icns"),
               os.path.join(dirs["icns"], "eric.icns"))
    
    copyToFile(
        os.path.join(dirs["contents"], "Info.plist"),
        '''<?xml version="1.0" encoding="UTF-8"?>\n'''
        '''<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN"\n'''
        '''          "http://www.apple.com/DTDs/PropertyList-1.0.dtd">\n'''
        '''<plist version="1.0">\n'''
        '''<dict>\n'''
        '''    <key>CFBundleExecutable</key>\n'''
        '''    <string>eric6</string>\n'''
        '''    <key>CFBundleIconFile</key>\n'''
        '''    <string>eric.icns</string>\n'''
        '''    <key>CFBundleInfoDictionaryVersion</key>\n'''
        '''    <string>1.0</string>\n'''
        '''    <key>CFBundleName</key>\n'''
        '''    <string>{0}</string>\n'''
        '''    <key>CFBundleDisplayName</key>\n'''
        '''    <string>{0}</string>\n'''
        '''    <key>CFBundlePackageType</key>\n'''
        '''    <string>APPL</string>\n'''
        '''    <key>CFBundleSignature</key>\n'''
        '''    <string>????</string>\n'''
        '''    <key>CFBundleVersion</key>\n'''
        '''    <string>1.0</string>\n'''
        '''</dict>\n'''
        '''</plist>\n'''.format(macAppBundleName.replace(".app", "")))


def createInstallConfig():
    """
    Create the installation config dictionary.
    """
    global modDir, platBinDir, cfg, apisDir
        
    ericdir = os.path.join(modDir, "eric6")
    cfg = {
        'ericDir': ericdir,
        'ericPixDir': os.path.join(ericdir, "pixmaps"),
        'ericIconDir': os.path.join(ericdir, "icons"),
        'ericDTDDir': os.path.join(ericdir, "DTDs"),
        'ericCSSDir': os.path.join(ericdir, "CSSs"),
        'ericStylesDir': os.path.join(ericdir, "Styles"),
        'ericDocDir': os.path.join(ericdir, "Documentation"),
        'ericExamplesDir': os.path.join(ericdir, "Examples"),
        'ericTranslationsDir': os.path.join(ericdir, "i18n"),
        'ericTemplatesDir': os.path.join(ericdir, "DesignerTemplates"),
        'ericCodeTemplatesDir': os.path.join(ericdir, 'CodeTemplates'),
        'ericOthersDir': ericdir,
        'bindir': platBinDir,
        'mdir': modDir,
    }
    if apisDir:
        cfg['apidir'] = apisDir
    else:
        cfg['apidir'] = os.path.join(ericdir, "api")
configLength = 15
    

def createConfig():
    """
    Create a config file with the respective config entries.
    """
    global cfg, sourceDir, macAppBundlePath
    
    apis = []
    for progLanguage in progLanguages:
        for apiName in glob.glob(
                os.path.join(sourceDir, "APIs", progLanguage, "*.api")):
            apis.append(os.path.basename(apiName))
        if progLanguage == "Python":
            # treat Python3 API files the same as Python API files
            for apiName in glob.glob(
                    os.path.join(sourceDir, "APIs", "Python3", "*.api")):
                apis.append(os.path.basename(apiName))
    
    fn = 'eric6config.py'
    config = (
        """# -*- coding: utf-8 -*-\n"""
        """#\n"""
        """# This module contains the configuration of the individual eric6"""
        """ installation\n"""
        """#\n"""
        """\n"""
        """_pkg_config = {{\n"""
        """    'ericDir': r'{0}',\n"""
        """    'ericPixDir': r'{1}',\n"""
        """    'ericIconDir': r'{2}',\n"""
        """    'ericDTDDir': r'{3}',\n"""
        """    'ericCSSDir': r'{4}',\n"""
        """    'ericStylesDir': r'{5}',\n"""
        """    'ericDocDir': r'{6}',\n"""
        """    'ericExamplesDir': r'{7}',\n"""
        """    'ericTranslationsDir': r'{8}',\n"""
        """    'ericTemplatesDir': r'{9}',\n"""
        """    'ericCodeTemplatesDir': r'{10}',\n"""
        """    'ericOthersDir': r'{11}',\n"""
        """    'bindir': r'{12}',\n"""
        """    'mdir': r'{13}',\n"""
        """    'apidir': r'{14}',\n"""
        """    'apis': {15},\n"""
        """    'macAppBundlePath': r'{16}',\n"""
        """    'macAppBundleName': r'{17}',\n"""
        """}}\n"""
        """\n"""
        """def getConfig(name):\n"""
        """    '''\n"""
        """    Module function to get a configuration value.\n"""
        """\n"""
        """    @param name name of the configuration value (string)\n"""
        """    '''\n"""
        """    try:\n"""
        """        return _pkg_config[name]\n"""
        """    except KeyError:\n"""
        """        pass\n"""
        """\n"""
        """    raise AttributeError('"{{0}}" is not a valid configuration"""
        """ value'.format(name))\n"""
    ).format(
        cfg['ericDir'], cfg['ericPixDir'], cfg['ericIconDir'],
        cfg['ericDTDDir'], cfg['ericCSSDir'],
        cfg['ericStylesDir'], cfg['ericDocDir'],
        cfg['ericExamplesDir'], cfg['ericTranslationsDir'],
        cfg['ericTemplatesDir'],
        cfg['ericCodeTemplatesDir'], cfg['ericOthersDir'],
        cfg['bindir'], cfg['mdir'],
        cfg['apidir'], apis,
        macAppBundlePath, macAppBundleName,
    )
    copyToFile(fn, config)


def doDependancyChecks():
    """
    Perform some dependency checks.
    """
    print('Checking dependencies')
    
    # perform dependency checks
    if sys.version_info < (2, 7, 0):
        print('Sorry, you must have Python 2.7.0 or higher or '
              'Python 3.1.0 or higher.')
        exit(5)
    elif sys.version_info < (3, 1, 0) and sys.version_info[0] == 3:
        print('Sorry, you must have Python 3.1.0 or higher.')
        exit(5)
    if sys.version_info > (3, 9, 9):
        print('Sorry, eric6 requires Python 3 or Python 2 for running.')
        exit(5)
    print("Python Version: {0:d}.{1:d}.{2:d}".format(*sys.version_info[:3]))
    
    try:
        import xml.etree            # __IGNORE_WARNING__
    except ImportError as msg:
        print('Your Python installation is missing the XML module.')
        print('Please install it and try again.')
        exit(5)
    
    try:
        from PyQt5.QtCore import qVersion
    except ImportError as msg:
        print('Sorry, please install PyQt5.')
        print('Error: {0}'.format(msg))
        exit(1)
    print("Found PyQt5")
    
    try:
        from PyQt5 import Qsci      # __IGNORE_WARNING__

    except ImportError as msg:
        print("Sorry, please install QScintilla2 and")
        print("its PyQt5 wrapper.")
        print('Error: {0}'.format(msg))
        exit(1)
    print("Found QScintilla2")
    
    modulesOK = True
    for impModule in [
        "PyQt5.QtGui", "PyQt5.QtNetwork", "PyQt5.QtPrintSupport",
        "PyQt5.QtSql", "PyQt5.QtSvg", "PyQt5.QtWebKit",
        "PyQt5.QtWebKitWidgets", "PyQt5.QtWidgets",
    ]:
        name = impModule.split(".")[1]
        try:
            __import__(impModule)
            print("Found", name)
        except ImportError as msg:
            print('Sorry, please install {0}.'.format(name))
            print('Error: {0}'.format(msg))
            modulesOK = False
    if not modulesOK:
        exit(1)
    
    # determine the platform dependent black list
    if sys.platform.startswith("win"):
        PlatformBlackLists = PlatformsBlackLists["windows"]
    elif sys.platform.startswith("linux"):
        PlatformBlackLists = PlatformsBlackLists["linux"]
    else:
        PlatformBlackLists = PlatformsBlackLists["mac"]
    
    # check version of Qt
    qtMajor = int(qVersion().split('.')[0])
    qtMinor = int(qVersion().split('.')[1])
    if qtMajor < 5 or (qtMajor == 3 and qtMinor < 6):
        print('Sorry, you must have Qt version 5.3.0 or higher.')
        exit(2)
    print("Qt Version: {0}".format(qVersion()))
    
    # check version of sip
    try:
        import sip
        sipVersion = sip.SIP_VERSION_STR
        # always assume, that snapshots are new enough
        if "snapshot" not in sipVersion:
            while sipVersion.count('.') < 2:
                sipVersion += '.0'
            (maj, min, pat) = sipVersion.split('.')
            maj = int(maj)
            min = int(min)
            pat = int(pat)
            if maj < 4 or (maj == 4 and min < 14) or \
                    (maj == 4 and min == 14 and pat < 2):
                print('Sorry, you must have sip 4.14.2 or higher or'
                      ' a recent snapshot release.')
                exit(3)
            # check for blacklisted versions
            for vers in BlackLists["sip"] + PlatformBlackLists["sip"]:
                if vers == sipVersion:
                    print(
                        'Sorry, sip version {0} is not compatible with eric6.'
                        .format(vers))
                    print('Please install another version.')
                    exit(3)
    except (ImportError, AttributeError):
        pass
    
    # check version of PyQt
    from PyQt5.QtCore import PYQT_VERSION_STR
    pyqtVersion = PYQT_VERSION_STR
    # always assume, that snapshots are new enough
    if "snapshot" not in pyqtVersion:
        while pyqtVersion.count('.') < 2:
            pyqtVersion += '.0'
        (maj, min, pat) = pyqtVersion.split('.')
        maj = int(maj)
        min = int(min)
        pat = int(pat)
        if maj < 5 or (maj == 5 and min < 3):
            print('Sorry, you must have PyQt 5.3.0 or higher or'
                  ' a recent snapshot release.')
            exit(4)
        # check for blacklisted versions
        for vers in BlackLists["PyQt5"] + PlatformBlackLists["PyQt5"]:
            if vers == pyqtVersion:
                print('Sorry, PyQt5 version {0} is not compatible with eric6.'
                      .format(vers))
                print('Please install another version.')
                exit(4)
    print("PyQt Version: ", pyqtVersion)
    
    # check version of QScintilla
    from PyQt5.Qsci import QSCINTILLA_VERSION_STR
    scintillaVersion = QSCINTILLA_VERSION_STR
    # always assume, that snapshots are new enough
    if "snapshot" not in scintillaVersion:
        while scintillaVersion.count('.') < 2:
            scintillaVersion += '.0'
        (maj, min, pat) = scintillaVersion.split('.')
        maj = int(maj)
        min = int(min)
        pat = int(pat)
        if maj < 2 or (maj == 2 and min < 8):
            print('Sorry, you must have QScintilla 2.8.0 or higher or'
                  ' a recent snapshot release.')
            exit(5)
        # check for blacklisted versions
        for vers in BlackLists["QScintilla2"] + \
                PlatformBlackLists["QScintilla2"]:
            if vers == scintillaVersion:
                print(
                    'Sorry, QScintilla2 version {0} is not compatible with'
                    ' eric6.'.format(vers))
                print('Please install another version.')
                exit(5)
    print("QScintilla Version: ", QSCINTILLA_VERSION_STR)
    print("All dependencies ok.")
    print()


def compileUiFiles():
    """
    Compile the .ui files to Python sources.
    """                                                 # __IGNORE_WARNING__
    global sourceDir
    try:
        from PyQt5.uic import compileUiDir
    except ImportError:
        from PyQt5.uic import compileUi
        
        def compileUiDir(dir, recurse=False,            # __IGNORE_WARNING__
                         map=None, **compileUi_args):
            """
            Creates Python modules from Qt Designer .ui files in a directory or
            directory tree.
            
            Note: This function is a modified version of the one found in
            PyQt5.

            @param dir Name of the directory to scan for files whose name ends
                with '.ui'. By default the generated Python module is created
                in the same directory ending with '.py'.
            @param recurse flag indicating that any sub-directories should be
                scanned.
            @param map an optional callable that is passed the name of the
                directory containing the '.ui' file and the name of the Python
                module that will be created. The callable should return a
                tuple of the name of the directory in which the Python module
                will be created and the (possibly modified) name of the module.
            @param compileUi_args any additional keyword arguments that are
                passed to the compileUi() function that is called to create
                each Python module.
            """
            def compile_ui(ui_dir, ui_file):
                """
                Local function to compile a single .ui file.
                
                @param ui_dir directory containing the .ui file (string)
                @param ui_file file name of the .ui file (string)
                """
                # Ignore if it doesn't seem to be a .ui file.
                if ui_file.endswith('.ui'):
                    py_dir = ui_dir
                    py_file = ui_file[:-3] + '.py'

                    # Allow the caller to change the name of the .py file or
                    # generate it in a different directory.
                    if map is not None:
                        py_dir, py_file = list(map(py_dir, py_file))

                    # Make sure the destination directory exists.
                    try:
                        os.makedirs(py_dir)
                    except:
                        pass

                    ui_path = os.path.join(ui_dir, ui_file)
                    py_path = os.path.join(py_dir, py_file)

                    ui_file = open(ui_path, 'r')
                    py_file = open(py_path, 'w')

                    try:
                        compileUi(ui_file, py_file, **compileUi_args)
                    finally:
                        ui_file.close()
                        py_file.close()

            if recurse:
                for root, _, files in os.walk(dir):
                    for ui in files:
                        compile_ui(root, ui)
            else:
                for ui in os.listdir(dir):
                    if os.path.isfile(os.path.join(dir, ui)):
                        compile_ui(dir, ui)
    
    def pyName(py_dir, py_file):
        """
        Local function to create the Python source file name for the compiled
        .ui file.
        
        @param py_dir suggested name of the directory (string)
        @param py_file suggested name for the compile source file (string)
        @return tuple of directory name (string) and source file name (string)
        """
        return py_dir, "Ui_{0}".format(py_file)
    
    compileUiDir(sourceDir, True, pyName)


def main(argv):
    """
    The main function of the script.

    @param argv the list of command line arguments.
    """
    import getopt

    # Parse the command line.
    global progName, modDir, doCleanup, doCompile, distDir, cfg, apisDir
    global sourceDir, configName, includePythonVariant
    global macAppBundlePath, macAppBundleName, macPythonExe
    
    if sys.version_info < (2, 7, 0) or sys.version_info > (3, 9, 9):
        print('Sorry, eric6 requires at least Python 2.7 or '
              'Python 3 for running.')
        exit(5)
    
    progName = os.path.basename(argv[0])
    
    if os.path.dirname(argv[0]):
        os.chdir(os.path.dirname(argv[0]))

    initGlobals()

    try:
        if sys.platform.startswith("win"):
            optlist, args = getopt.getopt(argv[1:], "chxyza:b:d:f:")
        elif sys.platform == "darwin":
            optlist, args = getopt.getopt(argv[1:], "chxyza:b:d:f:i:m:n:p:")
        else:
            optlist, args = getopt.getopt(argv[1:], "chxyza:b:d:f:i:")
    except getopt.GetoptError:
        usage()

    global platBinDir
    
    depChecks = True

    for opt, arg in optlist:
        if opt == "-h":
            usage(0)
        elif opt == "-a":
            apisDir = arg
        elif opt == "-b":
            platBinDir = arg
        elif opt == "-d":
            modDir = arg
        elif opt == "-i":
            distDir = os.path.normpath(arg)
        elif opt == "-x":
            depChecks = False
        elif opt == "-c":
            doCleanup = False
        elif opt == "-z":
            doCompile = False
        elif opt == "-y":
            includePythonVariant = True
        elif opt == "-f":
            try:
                exec(compile(open(arg).read(), arg, 'exec'), globals())
                if len(cfg) != configLength:
                    print("The configuration dictionary in '{0}' is incorrect."
                          " Aborting".format(arg))
                    exit(6)
            except:
                cfg = {}
        elif opt == "-m":
            macAppBundleName = arg
        elif opt == "-n":
            macAppBundlePath = arg
        elif opt == "-p":
            macPythonExe = arg
    
    installFromSource = not os.path.isdir(sourceDir)
    if installFromSource:
        sourceDir = os.path.dirname(__file__) or "."
        configName = os.path.join(sourceDir, "eric6config.py")
    
    if len(cfg) == 0:
        createInstallConfig()
    
    if depChecks:
        doDependancyChecks()
    
    # get rid of development config file, if it exists
    try:
        if installFromSource:
            os.rename(configName, configName + ".orig")
            configNameC = configName + 'c'
            if os.path.exists(configNameC):
                os.remove(configNameC)
        os.remove(configName)
    except EnvironmentError:
        pass
    
    # cleanup source if installing from source
    if installFromSource:
        print("Cleaning up source ...")
        cleanupSource(sourceDir)
        print()
    
    # cleanup old installation
    print("Cleaning up old installation ...")
    try:
        if doCleanup:
            if distDir:
                shutil.rmtree(distDir, True)
            else:
                cleanUp()
    except (IOError, OSError) as msg:
        sys.stderr.write('Error: {0}\nTry install as root.\n'.format(msg))
        exit(7)

    # Create a config file and delete the default one
    print("\nCreating configuration file ...")
    createConfig()

    # Compile .ui files
    print("\nCompiling user interface files ...")
    # step 1: remove old Ui_*.py files
    for root, _, files in os.walk(sourceDir):
        for file in [f for f in files if fnmatch.fnmatch(f, 'Ui_*.py')]:
            os.remove(os.path.join(root, file))
    # step 2: compile the forms
    compileUiFiles()
    
    if doCompile:
        print("\nCompiling source files ...")
        # Hide compile errors (mainly because of Py2/Py3 differences)
        sys.stdout = io.StringIO()
        if distDir:
            compileall.compile_dir(
                sourceDir,
                ddir=os.path.join(distDir, modDir, cfg['ericDir']),
                rx=re.compile(r"DebugClients[\\/]Python[\\/]"),
                quiet=True)
            py_compile.compile(
                configName,
                dfile=os.path.join(distDir, modDir, "eric6config.py"))
        else:
            compileall.compile_dir(
                sourceDir,
                ddir=os.path.join(modDir, cfg['ericDir']),
                rx=re.compile(r"DebugClients[\\/]Python[\\/]"),
                quiet=True)
            py_compile.compile(configName,
                               dfile=os.path.join(modDir, "eric6config.py"))
        sys.stdout = sys.__stdout__
    print("\nInstalling eric6 ...")
    res = installEric()
    
    # do some cleanup
    try:
        if installFromSource:
            os.remove(configName)
            configNameC = configName + 'c'
            if os.path.exists(configNameC):
                os.remove(configNameC)
            os.rename(configName + ".orig", configName)
    except EnvironmentError:
        pass
    
    print("\nInstallation complete.")
    print()
    
    exit(res)
    
    
if __name__ == "__main__":
    try:
        main(sys.argv)
    except SystemExit:
        raise
    except:
        print("""An internal error occured.  Please report all the output"""
              """ of the program,\nincluding the following traceback, to"""
              """ eric-bugs@eric-ide.python-projects.org.\n""")
        raise

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