Documentation/Source/eric6.VirtualEnv.VirtualenvManager.html

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<h1>eric6.VirtualEnv.VirtualenvManager</h1>
<p>
Module implementing a class to manage Python virtual environments.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#VirtualenvManager">VirtualenvManager</a></td>
<td>Class implementing an object to manage Python virtual environments.</td>
</tr>
</table>
<h3>Functions</h3>
<table>
<tr><td>None</td></tr>
</table>
<hr /><hr />
<a NAME="VirtualenvManager" ID="VirtualenvManager"></a>
<h2>VirtualenvManager</h2>
<p>
    Class implementing an object to manage Python virtual environments.
</p>
<h3>Derived from</h3>
QObject
<h3>Class Attributes</h3>
<table>
<tr><td>DefaultKey</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#VirtualenvManager.__init__">VirtualenvManager</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#VirtualenvManager.__isEnvironmentDeleteable">__isEnvironmentDeleteable</a></td>
<td>Private method to check, if a virtual environment can be deleted from disk.</td>
</tr><tr>
<td><a href="#VirtualenvManager.__loadSettings">__loadSettings</a></td>
<td>Private slot to load the virtual environments.</td>
</tr><tr>
<td><a href="#VirtualenvManager.__saveSettings">__saveSettings</a></td>
<td>Private slot to save the virtual environments.</td>
</tr><tr>
<td><a href="#VirtualenvManager.addVirtualEnv">addVirtualEnv</a></td>
<td>Public method to add a virtual environment.</td>
</tr><tr>
<td><a href="#VirtualenvManager.createVirtualEnv">createVirtualEnv</a></td>
<td>Public slot to create a new virtual environment.</td>
</tr><tr>
<td><a href="#VirtualenvManager.deleteVirtualEnvs">deleteVirtualEnvs</a></td>
<td>Public method to delete virtual environments from the list and disk.</td>
</tr><tr>
<td><a href="#VirtualenvManager.getDefaultEnvironment">getDefaultEnvironment</a></td>
<td>Public method to get the default virtual environment.</td>
</tr><tr>
<td><a href="#VirtualenvManager.getEnvironmentEntries">getEnvironmentEntries</a></td>
<td>Public method to get a dictionary containing the defined virtual environment entries.</td>
</tr><tr>
<td><a href="#VirtualenvManager.getVirtualenvDirectory">getVirtualenvDirectory</a></td>
<td>Public method to get the directory of a virtual environment.</td>
</tr><tr>
<td><a href="#VirtualenvManager.getVirtualenvExecPath">getVirtualenvExecPath</a></td>
<td>Public method to get the search path prefix of a virtual environment.</td>
</tr><tr>
<td><a href="#VirtualenvManager.getVirtualenvInterpreter">getVirtualenvInterpreter</a></td>
<td>Public method to get the interpreter for a virtual environment.</td>
</tr><tr>
<td><a href="#VirtualenvManager.getVirtualenvNames">getVirtualenvNames</a></td>
<td>Public method to get a list of defined virtual environments.</td>
</tr><tr>
<td><a href="#VirtualenvManager.getVirtualenvNamesForVariant">getVirtualenvNamesForVariant</a></td>
<td>Public method to get a list of virtual environments for a given Python variant.</td>
</tr><tr>
<td><a href="#VirtualenvManager.isCondaEnvironment">isCondaEnvironment</a></td>
<td>Public method to test, if a given environment is an Anaconda environment.</td>
</tr><tr>
<td><a href="#VirtualenvManager.isGlobalEnvironment">isGlobalEnvironment</a></td>
<td>Public method to test, if a given environment is a global one.</td>
</tr><tr>
<td><a href="#VirtualenvManager.isRemoteEnvironment">isRemoteEnvironment</a></td>
<td>Public method to test, if a given environment is a remotely accessed environment.</td>
</tr><tr>
<td><a href="#VirtualenvManager.isUnique">isUnique</a></td>
<td>Public method to check, if the give logical name is unique.</td>
</tr><tr>
<td><a href="#VirtualenvManager.removeVirtualEnvs">removeVirtualEnvs</a></td>
<td>Public method to delete virtual environment from the list.</td>
</tr><tr>
<td><a href="#VirtualenvManager.renameVirtualEnv">renameVirtualEnv</a></td>
<td>Public method to substitute a virtual environment entry with a new name.</td>
</tr><tr>
<td><a href="#VirtualenvManager.setVirtualEnv">setVirtualEnv</a></td>
<td>Public method to change a virtual environment.</td>
</tr><tr>
<td><a href="#VirtualenvManager.showVirtualenvManagerDialog">showVirtualenvManagerDialog</a></td>
<td>Public slot to show the virtual environment manager dialog.</td>
</tr><tr>
<td><a href="#VirtualenvManager.shutdown">shutdown</a></td>
<td>Public method to shutdown the manager.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="VirtualenvManager.__init__" ID="VirtualenvManager.__init__"></a>
<h4>VirtualenvManager (Constructor)</h4>
<b>VirtualenvManager</b>(<i>parent=None</i>)
<p>
        Constructor
</p><dl>
<dt><i>parent</i> (QWidget)</dt>
<dd>
reference to the parent object
</dd>
</dl><a NAME="VirtualenvManager.__isEnvironmentDeleteable" ID="VirtualenvManager.__isEnvironmentDeleteable"></a>
<h4>VirtualenvManager.__isEnvironmentDeleteable</h4>
<b>__isEnvironmentDeleteable</b>(<i>venvName</i>)
<p>
        Private method to check, if a virtual environment can be deleted from
        disk.
</p><dl>
<dt><i>venvName</i> (str)</dt>
<dd>
name of the virtual environment
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating it can be deleted
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl><a NAME="VirtualenvManager.__loadSettings" ID="VirtualenvManager.__loadSettings"></a>
<h4>VirtualenvManager.__loadSettings</h4>
<b>__loadSettings</b>(<i></i>)
<p>
        Private slot to load the virtual environments.
</p><a NAME="VirtualenvManager.__saveSettings" ID="VirtualenvManager.__saveSettings"></a>
<h4>VirtualenvManager.__saveSettings</h4>
<b>__saveSettings</b>(<i></i>)
<p>
        Private slot to save the virtual environments.
</p><a NAME="VirtualenvManager.addVirtualEnv" ID="VirtualenvManager.addVirtualEnv"></a>
<h4>VirtualenvManager.addVirtualEnv</h4>
<b>addVirtualEnv</b>(<i>venvName, venvDirectory, venvInterpreter="", venvVariant=3, isGlobal=False, isConda=False, isRemote=False, execPath=""</i>)
<p>
        Public method to add a virtual environment.
</p><dl>
<dt><i>venvName</i> (str)</dt>
<dd>
logical name for the virtual environment
</dd><dt><i>venvDirectory</i> (str)</dt>
<dd>
directory of the virtual environment
</dd><dt><i>venvInterpreter</i> (str)</dt>
<dd>
interpreter of the virtual environment
</dd><dt><i>venvVariant</i> (int)</dt>
<dd>
Python variant of the virtual environment
</dd><dt><i>isGlobal</i> (bool)</dt>
<dd>
flag indicating a global environment
</dd><dt><i>isConda</i> (bool)</dt>
<dd>
flag indicating an Anaconda virtual environment
</dd><dt><i>isRemote</i> (bool)</dt>
<dd>
flag indicating a remotely accessed environment
</dd><dt><i>execPath</i> (str)</dt>
<dd>
search path string to be prepended to the PATH
            environment variable
</dd>
</dl><a NAME="VirtualenvManager.createVirtualEnv" ID="VirtualenvManager.createVirtualEnv"></a>
<h4>VirtualenvManager.createVirtualEnv</h4>
<b>createVirtualEnv</b>(<i></i>)
<p>
        Public slot to create a new virtual environment.
</p><a NAME="VirtualenvManager.deleteVirtualEnvs" ID="VirtualenvManager.deleteVirtualEnvs"></a>
<h4>VirtualenvManager.deleteVirtualEnvs</h4>
<b>deleteVirtualEnvs</b>(<i>venvNames</i>)
<p>
        Public method to delete virtual environments from the list and disk.
</p><dl>
<dt><i>venvNames</i> (list of str)</dt>
<dd>
list of logical names for the virtual environments
</dd>
</dl><a NAME="VirtualenvManager.getDefaultEnvironment" ID="VirtualenvManager.getDefaultEnvironment"></a>
<h4>VirtualenvManager.getDefaultEnvironment</h4>
<b>getDefaultEnvironment</b>(<i></i>)
<p>
        Public method to get the default virtual environment.
</p><p>
        Default is an environment with the key '<default>' or the first one
        having an interpreter matching sys.executable (i.e. the one used to
        execute eric6 with)
</p><dl>
<dt>Returns:</dt>
<dd>
tuple containing the environment name and a dictionary
            containing a copy of the default virtual environment
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
tuple of (str, dict)
</dd>
</dl><a NAME="VirtualenvManager.getEnvironmentEntries" ID="VirtualenvManager.getEnvironmentEntries"></a>
<h4>VirtualenvManager.getEnvironmentEntries</h4>
<b>getEnvironmentEntries</b>(<i></i>)
<p>
        Public method to get a dictionary containing the defined virtual
        environment entries.
</p><dl>
<dt>Returns:</dt>
<dd>
dictionary containing a copy of the defined virtual
            environments
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
dict
</dd>
</dl><a NAME="VirtualenvManager.getVirtualenvDirectory" ID="VirtualenvManager.getVirtualenvDirectory"></a>
<h4>VirtualenvManager.getVirtualenvDirectory</h4>
<b>getVirtualenvDirectory</b>(<i>venvName</i>)
<p>
        Public method to get the directory of a virtual environment.
</p><dl>
<dt><i>venvName</i> (str)</dt>
<dd>
logical name for the virtual environment
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
directory path
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl><a NAME="VirtualenvManager.getVirtualenvExecPath" ID="VirtualenvManager.getVirtualenvExecPath"></a>
<h4>VirtualenvManager.getVirtualenvExecPath</h4>
<b>getVirtualenvExecPath</b>(<i>venvName</i>)
<p>
        Public method to get the search path prefix of a virtual environment.
</p><dl>
<dt><i>venvName</i> (str)</dt>
<dd>
logical name for the virtual environment
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
search path prefix
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl><a NAME="VirtualenvManager.getVirtualenvInterpreter" ID="VirtualenvManager.getVirtualenvInterpreter"></a>
<h4>VirtualenvManager.getVirtualenvInterpreter</h4>
<b>getVirtualenvInterpreter</b>(<i>venvName</i>)
<p>
        Public method to get the interpreter for a virtual environment.
</p><dl>
<dt><i>venvName</i> (str)</dt>
<dd>
logical name for the virtual environment
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
interpreter path
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl><a NAME="VirtualenvManager.getVirtualenvNames" ID="VirtualenvManager.getVirtualenvNames"></a>
<h4>VirtualenvManager.getVirtualenvNames</h4>
<b>getVirtualenvNames</b>(<i></i>)
<p>
        Public method to get a list of defined virtual environments.
</p><dl>
<dt>Returns:</dt>
<dd>
list of defined virtual environments
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
list of str
</dd>
</dl><a NAME="VirtualenvManager.getVirtualenvNamesForVariant" ID="VirtualenvManager.getVirtualenvNamesForVariant"></a>
<h4>VirtualenvManager.getVirtualenvNamesForVariant</h4>
<b>getVirtualenvNamesForVariant</b>(<i>variant</i>)
<p>
        Public method to get a list of virtual environments for a given
        Python variant.
</p><dl>
<dt><i>variant</i> (int)</dt>
<dd>
Python variant (2 or 3)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
list of defined virtual environments
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
list of str
</dd>
</dl><a NAME="VirtualenvManager.isCondaEnvironment" ID="VirtualenvManager.isCondaEnvironment"></a>
<h4>VirtualenvManager.isCondaEnvironment</h4>
<b>isCondaEnvironment</b>(<i>venvName</i>)
<p>
        Public method to test, if a given environment is an Anaconda
        environment.
</p><dl>
<dt><i>venvName</i> (str)</dt>
<dd>
logical name of the virtual environment
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating an Anaconda environment
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl><a NAME="VirtualenvManager.isGlobalEnvironment" ID="VirtualenvManager.isGlobalEnvironment"></a>
<h4>VirtualenvManager.isGlobalEnvironment</h4>
<b>isGlobalEnvironment</b>(<i>venvName</i>)
<p>
        Public method to test, if a given environment is a global one.
</p><dl>
<dt><i>venvName</i> (str)</dt>
<dd>
logical name of the virtual environment
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating a global environment
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl><a NAME="VirtualenvManager.isRemoteEnvironment" ID="VirtualenvManager.isRemoteEnvironment"></a>
<h4>VirtualenvManager.isRemoteEnvironment</h4>
<b>isRemoteEnvironment</b>(<i>venvName</i>)
<p>
        Public method to test, if a given environment is a remotely accessed
        environment.
</p><dl>
<dt><i>venvName</i> (str)</dt>
<dd>
logical name of the virtual environment
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating a remotely accessed environment
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl><a NAME="VirtualenvManager.isUnique" ID="VirtualenvManager.isUnique"></a>
<h4>VirtualenvManager.isUnique</h4>
<b>isUnique</b>(<i>venvName</i>)
<p>
        Public method to check, if the give logical name is unique.
</p><dl>
<dt><i>venvName</i> (str)</dt>
<dd>
logical name for the virtual environment
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
flag indicating uniqueness
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl><a NAME="VirtualenvManager.removeVirtualEnvs" ID="VirtualenvManager.removeVirtualEnvs"></a>
<h4>VirtualenvManager.removeVirtualEnvs</h4>
<b>removeVirtualEnvs</b>(<i>venvNames</i>)
<p>
        Public method to delete virtual environment from the list.
</p><dl>
<dt><i>venvNames</i> (list of str)</dt>
<dd>
list of logical names for the virtual environments
</dd>
</dl><a NAME="VirtualenvManager.renameVirtualEnv" ID="VirtualenvManager.renameVirtualEnv"></a>
<h4>VirtualenvManager.renameVirtualEnv</h4>
<b>renameVirtualEnv</b>(<i>oldVenvName, venvName, venvDirectory, venvInterpreter, venvVariant, isGlobal, isConda, isRemote, execPath</i>)
<p>
        Public method to substitute a virtual environment entry with a new
        name.
</p><dl>
<dt><i>oldVenvName</i> (str)</dt>
<dd>
old name of the virtual environment
</dd><dt><i>venvName</i> (str)</dt>
<dd>
logical name for the virtual environment
</dd><dt><i>venvDirectory</i> (str)</dt>
<dd>
directory of the virtual environment
</dd><dt><i>venvInterpreter</i> (str)</dt>
<dd>
interpreter of the virtual environment
</dd><dt><i>venvVariant</i> (int)</dt>
<dd>
Python variant of the virtual environment
</dd><dt><i>isGlobal</i> (bool)</dt>
<dd>
flag indicating a global environment
</dd><dt><i>isConda</i> (bool)</dt>
<dd>
flag indicating an Anaconda virtual environment
</dd><dt><i>isRemote</i> (bool)</dt>
<dd>
flag indicating a remotely accessed environment
</dd><dt><i>execPath</i> (str)</dt>
<dd>
search path string to be prepended to the PATH
            environment variable
</dd>
</dl><a NAME="VirtualenvManager.setVirtualEnv" ID="VirtualenvManager.setVirtualEnv"></a>
<h4>VirtualenvManager.setVirtualEnv</h4>
<b>setVirtualEnv</b>(<i>venvName, venvDirectory, venvInterpreter, venvVariant, isGlobal, isConda, isRemote, execPath</i>)
<p>
        Public method to change a virtual environment.
</p><dl>
<dt><i>venvName</i> (str)</dt>
<dd>
logical name of the virtual environment
</dd><dt><i>venvDirectory</i> (str)</dt>
<dd>
directory of the virtual environment
</dd><dt><i>venvInterpreter</i> (str)</dt>
<dd>
interpreter of the virtual environment
</dd><dt><i>venvVariant</i> (int)</dt>
<dd>
Python variant of the virtual environment
</dd><dt><i>isGlobal</i> (bool)</dt>
<dd>
flag indicating a global environment
</dd><dt><i>isConda</i> (bool)</dt>
<dd>
flag indicating an Anaconda virtual environment
</dd><dt><i>isRemote</i> (bool)</dt>
<dd>
flag indicating a remotely accessed environment
</dd><dt><i>execPath</i> (str)</dt>
<dd>
search path string to be prepended to the PATH
            environment variable
</dd>
</dl><a NAME="VirtualenvManager.showVirtualenvManagerDialog" ID="VirtualenvManager.showVirtualenvManagerDialog"></a>
<h4>VirtualenvManager.showVirtualenvManagerDialog</h4>
<b>showVirtualenvManagerDialog</b>(<i>modal=False</i>)
<p>
        Public slot to show the virtual environment manager dialog.
</p><dl>
<dt><i>modal</i></dt>
<dd>
flag indicating that the dialog should be shown in
            a blocking mode
</dd>
</dl><a NAME="VirtualenvManager.shutdown" ID="VirtualenvManager.shutdown"></a>
<h4>VirtualenvManager.shutdown</h4>
<b>shutdown</b>(<i></i>)
<p>
        Public method to shutdown the manager.
</p>
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