--- a/VirtualEnv/VirtualenvManager.py Fri Jun 15 18:49:48 2018 +0200
+++ b/VirtualEnv/VirtualenvManager.py Sat Jun 16 13:34:22 2018 +0200
@@ -12,6 +12,8 @@
import os
import sys
import shutil
+import json
+import copy
from PyQt5.QtCore import pyqtSlot, QObject
from PyQt5.QtWidgets import QDialog
@@ -36,35 +38,56 @@
self.__ui = parent
- self.__virtualEnvironments = {}
- self.__virtualEnvironmentInterpreters = {}
- environments = Preferences.toDict(Preferences.Prefs.settings.value(
- "PyVenv/Environments", {}))
- interpreters = Preferences.toDict(Preferences.Prefs.settings.value(
- "PyVenv/Interpreters", {}))
- for venvName, venvExe in interpreters.items():
- # remove all environments, that don't exist anymore
- if os.access(venvExe, os.X_OK):
- self.__virtualEnvironmentInterpreters[venvName] = venvExe
- self.__virtualEnvironments[venvName] = environments[venvName]
-
- defaultPy = sys.executable.replace("w.exe", ".exe")
- if defaultPy not in self.__virtualEnvironmentInterpreters.values():
- self.__virtualEnvironmentInterpreters["<default>"] = defaultPy
- self.__virtualEnvironments["<default>"] = ""
-
- self.__updateSettings()
+ self.__loadSettings()
self.__virtualenvManagerDialog = None
- def __updateSettings(self):
+ def __loadSettings(self):
+ """
+ Private slot to load the virtual environments.
+ """
+ venvString = Preferences.Prefs.settings.value(
+ "PyVenv/VirtualEnvironments", "{}") # __IGNORE_WARNING_M613__
+ environments = json.loads(venvString)
+
+ self.__virtualEnvironments = {}
+ # each environment entry is a dictionary:
+ # path: the directory of the virtual environment
+ # (empty for a global environment)
+ # interpreter: the path of the Python interpreter
+ # variant: Python variant (2 or 3)
+ #
+ for venvName in environments:
+ interpreter = environments[venvName]["interpreter"]
+ if os.access(interpreter, os.X_OK):
+ self.__virtualEnvironments[venvName] = environments[venvName]
+
+ # check, if the interpreter used to run eric is in the environments
+ defaultPy = sys.executable.replace("w.exe", ".exe")
+ found = False
+ for venvName in self.__virtualEnvironments:
+ if (defaultPy ==
+ self.__virtualEnvironments[venvName]["interpreter"]):
+ found = True
+ break
+ if not found:
+ # add an environment entry for the default interpreter
+ self.__virtualEnvironments["<default>"] = {
+ "path": "",
+ "interpreter": defaultPy,
+ "variant": sys.version_info[0],
+ }
+
+ self.__saveSettings()
+
+ def __saveSettings(self):
"""
Private slot to save the virtual environments.
"""
Preferences.Prefs.settings.setValue(
- "PyVenv/Environments", self.__virtualEnvironments)
- Preferences.Prefs.settings.setValue(
- "PyVenv/Interpreters", self.__virtualEnvironmentInterpreters)
+ "PyVenv/VirtualEnvironments",
+ json.dumps(self.__virtualEnvironments)
+ )
@pyqtSlot()
def createVirtualEnv(self):
@@ -88,7 +111,8 @@
dia.start(args)
dia.exec_()
- def addVirtualEnv(self, venvName, venvDirectory, venvInterpreter=""):
+ def addVirtualEnv(self, venvName, venvDirectory, venvInterpreter="",
+ venvVariant=3):
"""
Public method to add a virtual environment.
@@ -97,6 +121,9 @@
@param venvDirectory directory of the virtual environment
@type str
@param venvInterpreter interpreter of the virtual environment
+ @type str
+ @param venvVariant Python variant of the virtual environment
+ @type int
"""
if venvName in self.__virtualEnvironments:
ok = E5MessageBox.yesNo(
@@ -114,18 +141,22 @@
VirtualenvInterpreterSelectionDialog
dlg = VirtualenvInterpreterSelectionDialog(venvName, venvDirectory)
if dlg.exec_() == QDialog.Accepted:
- venvInterpreter = dlg.getData()
+ venvInterpreter, venvVariant = dlg.getData()
if venvInterpreter:
- self.__virtualEnvironmentInterpreters[venvName] = venvInterpreter
- self.__virtualEnvironments[venvName] = venvDirectory
+ self.__virtualEnvironments[venvName] = {
+ "path": venvDirectory,
+ "interpreter": venvInterpreter,
+ "variant": venvVariant,
+ }
- self.__updateSettings()
+ self.__saveSettings()
if self.__virtualenvManagerDialog:
self.__virtualenvManagerDialog.refresh()
- def setVirtualEnv(self, venvName, venvDirectory, venvInterpreter=""):
+ def setVirtualEnv(self, venvName, venvDirectory, venvInterpreter,
+ venvVariant):
"""
Public method to change a virtual environment.
@@ -134,6 +165,9 @@
@param venvDirectory directory of the virtual environment
@type str
@param venvInterpreter interpreter of the virtual environment
+ @type str
+ @param venvVariant Python variant of the virtual environment
+ @type int
"""
if venvName not in self.__virtualEnvironments:
E5MessageBox.yesNo(
@@ -145,16 +179,19 @@
icon=E5MessageBox.Warning)
return
- self.__virtualEnvironmentInterpreters[venvName] = venvInterpreter
- self.__virtualEnvironments[venvName] = venvDirectory
+ self.__virtualEnvironments[venvName] = {
+ "path": venvDirectory,
+ "interpreter": venvInterpreter,
+ "variant": venvVariant,
+ }
- self.__updateSettings()
+ self.__saveSettings()
if self.__virtualenvManagerDialog:
self.__virtualenvManagerDialog.refresh()
def renameVirtualEnv(self, oldVenvName, venvName, venvDirectory,
- venvInterpreter):
+ venvInterpreter, venvVariant):
"""
Public method to substitute a virtual environment entry with a new
name.
@@ -166,6 +203,9 @@
@param venvDirectory directory of the virtual environment
@type str
@param venvInterpreter interpreter of the virtual environment
+ @type str
+ @param venvVariant Python variant of the virtual environment
+ @type int
"""
if oldVenvName not in self.__virtualEnvironments:
E5MessageBox.yesNo(
@@ -178,8 +218,8 @@
return
del self.__virtualEnvironments[oldVenvName]
- del self.__virtualEnvironmentInterpreters[oldVenvName]
- self.addVirtualEnv(venvName, venvDirectory, venvInterpreter)
+ self.addVirtualEnv(venvName, venvDirectory, venvInterpreter,
+ venvVariant)
def deleteVirtualEnvs(self, venvNames):
"""
@@ -191,9 +231,9 @@
venvMessages = []
for venvName in venvNames:
if venvName in self.__virtualEnvironments and \
- bool(self.__virtualEnvironments[venvName]):
+ bool(self.__virtualEnvironments[venvName]["path"]):
venvMessages.append(self.tr("{0} - {1}").format(
- venvName, self.__virtualEnvironments[venvName]))
+ venvName, self.__virtualEnvironments[venvName]["path"]))
if venvMessages:
from UI.DeleteFilesConfirmationDialog import \
DeleteFilesConfirmationDialog
@@ -207,13 +247,12 @@
if dlg.exec_() == QDialog.Accepted:
for venvName in venvNames:
if venvName in self.__virtualEnvironments and \
- bool(self.__virtualEnvironments[venvName]):
- shutil.rmtree(self.__virtualEnvironments[venvName],
- True)
+ bool(self.__virtualEnvironments[venvName]["path"]):
+ shutil.rmtree(
+ self.__virtualEnvironments[venvName]["path"], True)
del self.__virtualEnvironments[venvName]
- del self.__virtualEnvironmentInterpreters[venvName]
- self.__updateSettings()
+ self.__saveSettings()
if self.__virtualenvManagerDialog:
self.__virtualenvManagerDialog.refresh()
@@ -229,7 +268,7 @@
for venvName in venvNames:
if venvName in self.__virtualEnvironments:
venvMessages.append(self.tr("{0} - {1}").format(
- venvName, self.__virtualEnvironments[venvName]))
+ venvName, self.__virtualEnvironments[venvName]["path"]))
if venvMessages:
from UI.DeleteFilesConfirmationDialog import \
DeleteFilesConfirmationDialog
@@ -244,30 +283,22 @@
for venvName in venvNames:
if venvName in self.__virtualEnvironments:
del self.__virtualEnvironments[venvName]
- del self.__virtualEnvironmentInterpreters[venvName]
- self.__updateSettings()
+ self.__saveSettings()
if self.__virtualenvManagerDialog:
self.__virtualenvManagerDialog.refresh()
def getEnvironmentEntries(self):
"""
- Public method to a dictionary containing the defined virtual
+ Public method to get a dictionary containing the defined virtual
environment entries.
- @return dictionary containing tuples of the environment path and
- the associated interpreter
- @rtype dict of (str, str)
+ @return dictionary containing a copy of the defined virtual
+ environments
+ @rtype dict
"""
- environments = {}
- for venvName in self.__virtualEnvironments:
- environments[venvName] = (
- self.__virtualEnvironments[venvName],
- self.__virtualEnvironmentInterpreters[venvName],
- )
-
- return environments
+ return copy.deepcopy(self.__virtualEnvironments)
@pyqtSlot()
def showVirtualenvManagerDialog(self):
@@ -309,8 +340,8 @@
@return interpreter path
@rtype str
"""
- if venvName in self.__virtualEnvironmentInterpreters:
- return self.__virtualEnvironmentInterpreters[venvName]
+ if venvName in self.__virtualEnvironments:
+ return self.__virtualEnvironments[venvName]["interpreter"]
else:
return ""
@@ -324,7 +355,7 @@
@rtype str
"""
if venvName in self.__virtualEnvironments:
- return self.__virtualEnvironments[venvName]
+ return self.__virtualEnvironments[venvName]["path"]
else:
return ""
@@ -335,4 +366,23 @@
@return list of defined virtual environments
@rtype list of str
"""
- return list(self.__virtualEnvironmentInterpreters.keys())
+ return list(self.__virtualEnvironments.keys())
+
+ def getVirtualenvNamesForVariant(self, variant):
+ """
+ Public method to get a list of virtual environments for a given
+ Python variant.
+
+ @param variant Python variant (2 or 3)
+ @type int
+ @return list of defined virtual environments
+ @rtype list of str
+ """
+ assert variant in (2, 3)
+
+ environments = []
+ for venvName in self.__virtualEnvironments:
+ if self.__virtualEnvironments[venvName]["variant"] == variant:
+ environments.append(venvName)
+
+ return environments
