eric: comparison install.py

-:f5b392aac28e
+:4f0e08c95ca9
 Installation script for the eric6 IDE and all eric6 related tools.
 """
 from __future__ import unicode_literals, print_function
 try:
+# Python2 only
 import cStringIO as io
 import sip
 sip.setapi('QString', 2)
 sip.setapi('QVariant', 2)
 sip.setapi('QTextStream', 2)
+input = raw_input       # __IGNORE_WARNING__
 except (ImportError):
-import io    # __IGNORE_WARNING__
+import io               # __IGNORE_WARNING__
 import sys
 import os
 import re
 import compileall
 try:
 import PyQt4    # __IGNORE_WARNING__
 pyqtVariant = "PyQt4"
 del sys.modules["PyQt4"]
 except ImportError:
-pyqtVariant = ""
+# default to PyQt5, installation will be asked for
+pyqtVariant = "PyQt5"
 def initGlobals():
 """
 Module function to set the values of globals that need more than a
 platBinDirOld = platBinDir
 platBinDir = os.path.join(platBinDir, "Scripts")
 if not os.path.exists(platBinDir):
 platBinDir = platBinDirOld
 else:
+# TODO: install scripts into {venv}/bin for virtual environments
+# 1.) assume it is venv if os.path.dirname(sys.executable) is not in
+# (/opt/local/bin, /usr/local/bin, /usr/bin) and
+# 2.) directory is writable by user
 platBinDir = "/usr/local/bin"
 modDir = distutils.sysconfig.get_python_lib(True)
 pyModDir = modDir
 macAppBundlePath, macAppBundleName,
 )
 copyToFile(fn, config)
+def pipInstall(packageName, message):
+"""
+Install the given package via pip.
+@param packageName name of the package to be installed
+@type str
+@param message message to be shown to the user
+@type str
+@return flag indicating a successful installation
+@rtype bool
+"""
+ok = False
+print(message, "\n")
+answer = input("Shall '{0}' be installed using pip? (Y/n) "
+.format(packageName))
+if answer in ("", "Y", "y"):
+exitCode = subprocess.call(
+[sys.executable, "-m", "pip", "install", packageName])
+ok = (exitCode == 0)
+return ok
 def doDependancyChecks():
 """
 Perform some dependency checks.
 """
 print('Checking dependencies')
 print("Found PyQt4")
 else:
 try:
 from PyQt5.QtCore import qVersion
 except ImportError as msg:
-# TODO: install PyQt5 via pip upon request
+installed = pipInstall(
-print('Sorry, please install PyQt5.')
+"PyQt5",
-print('Error: {0}'.format(msg))
+"PyQt5 could not be detected.\nError: {0}".format(msg)
-exit(1)
+)
+if installed:
+# try to import it again
+try:
+from PyQt5.QtCore import qVersion
+except ImportError as msg:
+print('Sorry, please install PyQt5.')
+print('Error: {0}'.format(msg))
+exit(1)
+else:
+exit(1)
 print("Found PyQt5")
 try:
 if pyqtVariant == "PyQt4":
 pyuic = "pyuic4"
 from PyQt4 import Qsci      # __IGNORE_WARNING__
 else:
 from PyQt5 import Qsci      # __IGNORE_WARNING__
 except ImportError as msg:
 # TODO: install QScintilla2 via pip upon request (PyQt5 only)
-print("Sorry, please install QScintilla2 and")
+if pyqtVariant == "PyQt4":
-print("its PyQt5/PyQt4 wrapper.")
+message = str(msg)
-print('Error: {0}'.format(msg))
+else:
-exit(1)
+installed = pipInstall(
+"QScintilla",
+"QScintilla could not be detected.\nError: {0}".format(msg)
+)
+if installed:
+# try to import it again
+try:
+from PyQt5 import Qsci      # __IGNORE_WARNING__
+message = None
+except ImportError as msg:
+message = str(msg)
+if message:
+print("Sorry, please install QScintilla2 and")
+print("its PyQt5/PyQt4 wrapper.")
+print('Error: {0}'.format(msg))
+exit(1)
 print("Found QScintilla2")
 if pyqtVariant == "PyQt4":
 impModulesList = [
 "PyQt4.QtGui", "PyQt4.QtNetwork", "PyQt4.QtSql",

Mercurial Repositories > eric / file comparison

comparison: install.py

install.py