src/eric7/Documentation/Source/eric7.PipInterface.Pip.html

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<h1>eric7.PipInterface.Pip</h1>

<p>
Package implementing the pip GUI logic.
</p>
<h3>Global Attributes</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>

<table>

<tr>
<td><a href="#Pip">Pip</a></td>
<td>Class implementing the pip GUI logic.</td>
</tr>
</table>
<h3>Functions</h3>

<table>
<tr><td>None</td></tr>
</table>
<hr />
<hr />
<a NAME="Pip" ID="Pip"></a>
<h2>Pip</h2>

<p>
    Class implementing the pip GUI logic.
</p>
<h3>Derived from</h3>
QObject
<h3>Class Attributes</h3>

<table>
<tr><td>DefaultIndexUrlPypi</td></tr><tr><td>DefaultIndexUrlSearch</td></tr><tr><td>DefaultIndexUrlSimple</td></tr><tr><td>DefaultPyPiUrl</td></tr>
</table>
<h3>Class Methods</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>

<table>

<tr>
<td><a href="#Pip.__init__">Pip</a></td>
<td>Constructor</td>
</tr>
<tr>
<td><a href="#Pip.__checkUpgradeEric">__checkUpgradeEric</a></td>
<td>Private method to check, if an upgrade of the eric-ide package is attempted.</td>
</tr>
<tr>
<td><a href="#Pip.__checkUpgradePyQt">__checkUpgradePyQt</a></td>
<td>Private method to check, if an upgrade of PyQt packages is attempted.</td>
</tr>
<tr>
<td><a href="#Pip.cacheList">cacheList</a></td>
<td>Public method to list files contained in the pip cache.</td>
</tr>
<tr>
<td><a href="#Pip.cachePurge">cachePurge</a></td>
<td>Public method to remove all files from the pip cache.</td>
</tr>
<tr>
<td><a href="#Pip.cacheRemove">cacheRemove</a></td>
<td>Public method to remove files from the pip cache.</td>
</tr>
<tr>
<td><a href="#Pip.checkPackagesOutdated">checkPackagesOutdated</a></td>
<td>Public method to check, if groups of packages are outdated.</td>
</tr>
<tr>
<td><a href="#Pip.getDependencyTree">getDependencyTree</a></td>
<td>Public method to get the dependency tree of installed packages.</td>
</tr>
<tr>
<td><a href="#Pip.getFrozenPackages">getFrozenPackages</a></td>
<td>Public method to get the list of package specifiers to freeze them.</td>
</tr>
<tr>
<td><a href="#Pip.getIndexUrl">getIndexUrl</a></td>
<td>Public method to get the index URL for PyPI.</td>
</tr>
<tr>
<td><a href="#Pip.getIndexUrlPypi">getIndexUrlPypi</a></td>
<td>Public method to get the index URL for PyPI API calls.</td>
</tr>
<tr>
<td><a href="#Pip.getIndexUrlSearch">getIndexUrlSearch</a></td>
<td>Public method to get the index URL for PyPI API calls.</td>
</tr>
<tr>
<td><a href="#Pip.getInstalledPackages">getInstalledPackages</a></td>
<td>Public method to get the list of installed packages.</td>
</tr>
<tr>
<td><a href="#Pip.getLicenses">getLicenses</a></td>
<td>Public method to get the licenses per package for a given environment.</td>
</tr>
<tr>
<td><a href="#Pip.getNetworkAccessManager">getNetworkAccessManager</a></td>
<td>Public method to get a reference to the network access manager object.</td>
</tr>
<tr>
<td><a href="#Pip.getOutdatedPackages">getOutdatedPackages</a></td>
<td>Public method to get the list of outdated packages.</td>
</tr>
<tr>
<td><a href="#Pip.getPackageDetails">getPackageDetails</a></td>
<td>Public method to get package details using the PyPI JSON interface.</td>
</tr>
<tr>
<td><a href="#Pip.getPackageVersions">getPackageVersions</a></td>
<td>Public method to get a list of versions available for the given package.</td>
</tr>
<tr>
<td><a href="#Pip.getProjectEnvironmentString">getProjectEnvironmentString</a></td>
<td>Public method to get the string for the project environment.</td>
</tr>
<tr>
<td><a href="#Pip.getUserConfig">getUserConfig</a></td>
<td>Public method to get the name of the user configuration file.</td>
</tr>
<tr>
<td><a href="#Pip.getVirtualenvConfig">getVirtualenvConfig</a></td>
<td>Public method to get the name of the virtualenv configuration file.</td>
</tr>
<tr>
<td><a href="#Pip.getVirtualenvInterpreter">getVirtualenvInterpreter</a></td>
<td>Public method to get the interpreter for a virtual environment.</td>
</tr>
<tr>
<td><a href="#Pip.getVirtualenvNames">getVirtualenvNames</a></td>
<td>Public method to get a sorted list of virtual environment names.</td>
</tr>
<tr>
<td><a href="#Pip.getVulnerabilityChecker">getVulnerabilityChecker</a></td>
<td>Public method to get a reference to the vulnerability checker object.</td>
</tr>
<tr>
<td><a href="#Pip.installEditableProject">installEditableProject</a></td>
<td>Public method to install a project in development mode.</td>
</tr>
<tr>
<td><a href="#Pip.installPackages">installPackages</a></td>
<td>Public method to install the given list of packages.</td>
</tr>
<tr>
<td><a href="#Pip.installPip">installPip</a></td>
<td>Public method to install pip.</td>
</tr>
<tr>
<td><a href="#Pip.installRequirements">installRequirements</a></td>
<td>Public method to install packages as given in a requirements file.</td>
</tr>
<tr>
<td><a href="#Pip.repairPip">repairPip</a></td>
<td>Public method to repair the pip installation.</td>
</tr>
<tr>
<td><a href="#Pip.runProcess">runProcess</a></td>
<td>Public method to execute the current pip with the given arguments.</td>
</tr>
<tr>
<td><a href="#Pip.showCacheInfo">showCacheInfo</a></td>
<td>Public method to show some information about the pip cache.</td>
</tr>
<tr>
<td><a href="#Pip.uninstallPackages">uninstallPackages</a></td>
<td>Public method to uninstall the given list of packages.</td>
</tr>
<tr>
<td><a href="#Pip.uninstallRequirements">uninstallRequirements</a></td>
<td>Public method to uninstall packages as given in a requirements file.</td>
</tr>
<tr>
<td><a href="#Pip.upgradePackages">upgradePackages</a></td>
<td>Public method to upgrade the given list of packages.</td>
</tr>
</table>
<h3>Static Methods</h3>

<table>
<tr><td>None</td></tr>
</table>

<a NAME="Pip.__init__" ID="Pip.__init__"></a>
<h4>Pip (Constructor)</h4>
<b>Pip</b>(<i>parent=None</i>)

<p>
        Constructor
</p>
<dl>

<dt><i>parent</i> (QObject)</dt>
<dd>
reference to the user interface object
</dd>
</dl>
<a NAME="Pip.__checkUpgradeEric" ID="Pip.__checkUpgradeEric"></a>
<h4>Pip.__checkUpgradeEric</h4>
<b>__checkUpgradeEric</b>(<i>packages</i>)

<p>
        Private method to check, if an upgrade of the eric-ide package is
        attempted.
</p>
<dl>

<dt><i>packages</i> (list of str)</dt>
<dd>
list of packages to upgrade
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
flag indicating an eric-ide upgrade
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
<a NAME="Pip.__checkUpgradePyQt" ID="Pip.__checkUpgradePyQt"></a>
<h4>Pip.__checkUpgradePyQt</h4>
<b>__checkUpgradePyQt</b>(<i>packages</i>)

<p>
        Private method to check, if an upgrade of PyQt packages is attempted.
</p>
<dl>

<dt><i>packages</i> (list of str)</dt>
<dd>
list of packages to upgrade
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
flag indicating a PyQt upgrade
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
<a NAME="Pip.cacheList" ID="Pip.cacheList"></a>
<h4>Pip.cacheList</h4>
<b>cacheList</b>(<i>venvName</i>)

<p>
        Public method to list files contained in the pip cache.
</p>
<dl>

<dt><i>venvName</i> (str)</dt>
<dd>
name of the virtual environment to be used
</dd>
</dl>
<a NAME="Pip.cachePurge" ID="Pip.cachePurge"></a>
<h4>Pip.cachePurge</h4>
<b>cachePurge</b>(<i>venvName</i>)

<p>
        Public method to remove all files from the pip cache.
</p>
<dl>

<dt><i>venvName</i> (str)</dt>
<dd>
name of the virtual environment to be used
</dd>
</dl>
<a NAME="Pip.cacheRemove" ID="Pip.cacheRemove"></a>
<h4>Pip.cacheRemove</h4>
<b>cacheRemove</b>(<i>venvName</i>)

<p>
        Public method to remove files from the pip cache.
</p>
<dl>

<dt><i>venvName</i> (str)</dt>
<dd>
name of the virtual environment to be used
</dd>
</dl>
<a NAME="Pip.checkPackagesOutdated" ID="Pip.checkPackagesOutdated"></a>
<h4>Pip.checkPackagesOutdated</h4>
<b>checkPackagesOutdated</b>(<i>packageStarts, envName, interpreter=None</i>)

<p>
        Public method to check, if groups of packages are outdated.
</p>
<dl>

<dt><i>packageStarts</i> (str)</dt>
<dd>
list of start strings for package names to be checked
            (case insensitive)
</dd>
<dt><i>envName</i> (str)</dt>
<dd>
name of the environment to get the packages for
</dd>
<dt><i>interpreter</i> (str (optional))</dt>
<dd>
path of an interpreter executable. If this is not
            None, it will override the given environment name (defaults to None)
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
list of tuples containing the package name, installed version
            and available version of outdated packages
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
tuple of (str, str, str)
</dd>
</dl>
<a NAME="Pip.getDependencyTree" ID="Pip.getDependencyTree"></a>
<h4>Pip.getDependencyTree</h4>
<b>getDependencyTree</b>(<i>envName, localPackages=True, usersite=False, reverse=False</i>)

<p>
        Public method to get the dependency tree of installed packages.
</p>
<dl>

<dt><i>envName</i> (str)</dt>
<dd>
name of the environment to get the packages for
</dd>
<dt><i>localPackages</i> (bool)</dt>
<dd>
flag indicating to get the tree for local
            packages only
</dd>
<dt><i>usersite</i> (bool)</dt>
<dd>
flag indicating to get the tree for packages
            installed in user-site directory only
</dd>
<dt><i>reverse</i> (bool)</dt>
<dd>
flag indicating to get the dependency tree in
            reverse order (i.e. list packages needed by other)
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
list of nested dictionaries resembling the requested
            dependency tree
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
list of dict
</dd>
</dl>
<a NAME="Pip.getFrozenPackages" ID="Pip.getFrozenPackages"></a>
<h4>Pip.getFrozenPackages</h4>
<b>getFrozenPackages</b>(<i>envName, localPackages=True, usersite=False, requirement=None</i>)

<p>
        Public method to get the list of package specifiers to freeze them.
</p>
<dl>

<dt><i>envName</i> (str)</dt>
<dd>
name of the environment to get the package specifiers
            for
</dd>
<dt><i>localPackages</i> (bool)</dt>
<dd>
flag indicating to get package specifiers for
            local packages only
</dd>
<dt><i>usersite</i> (bool)</dt>
<dd>
flag indicating to get package specifiers for packages
            installed in user-site only
</dd>
<dt><i>requirement</i> (str)</dt>
<dd>
name of a requirements file
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
list of package specifiers
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
list of str
</dd>
</dl>
<a NAME="Pip.getIndexUrl" ID="Pip.getIndexUrl"></a>
<h4>Pip.getIndexUrl</h4>
<b>getIndexUrl</b>(<i></i>)

<p>
        Public method to get the index URL for PyPI.
</p>
<dl>
<dt>Return:</dt>
<dd>
index URL for PyPI
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl>
<a NAME="Pip.getIndexUrlPypi" ID="Pip.getIndexUrlPypi"></a>
<h4>Pip.getIndexUrlPypi</h4>
<b>getIndexUrlPypi</b>(<i></i>)

<p>
        Public method to get the index URL for PyPI API calls.
</p>
<dl>
<dt>Return:</dt>
<dd>
index URL for XML RPC calls
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl>
<a NAME="Pip.getIndexUrlSearch" ID="Pip.getIndexUrlSearch"></a>
<h4>Pip.getIndexUrlSearch</h4>
<b>getIndexUrlSearch</b>(<i></i>)

<p>
        Public method to get the index URL for PyPI API calls.
</p>
<dl>
<dt>Return:</dt>
<dd>
index URL for XML RPC calls
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl>
<a NAME="Pip.getInstalledPackages" ID="Pip.getInstalledPackages"></a>
<h4>Pip.getInstalledPackages</h4>
<b>getInstalledPackages</b>(<i>envName, localPackages=True, notRequired=False, usersite=False</i>)

<p>
        Public method to get the list of installed packages.
</p>
<dl>

<dt><i>envName</i> (str)</dt>
<dd>
name of the environment to get the packages for
</dd>
<dt><i>localPackages</i> (bool)</dt>
<dd>
flag indicating to get local packages only
</dd>
<dt><i>notRequired</i> (bool)</dt>
<dd>
flag indicating to list packages that are not
            dependencies of installed packages as well
</dd>
<dt><i>usersite</i> (bool)</dt>
<dd>
flag indicating to only list packages installed
            in user-site
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
list of tuples containing the package name and version
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
list of tuple of (str, str)
</dd>
</dl>
<a NAME="Pip.getLicenses" ID="Pip.getLicenses"></a>
<h4>Pip.getLicenses</h4>
<b>getLicenses</b>(<i>envName</i>)

<p>
        Public method to get the licenses per package for a given environment.
</p>
<dl>

<dt><i>envName</i> (str)</dt>
<dd>
name of the environment to get the licenses for
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
list of dictionaries containing the license and version per
            package
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
dict
</dd>
</dl>
<a NAME="Pip.getNetworkAccessManager" ID="Pip.getNetworkAccessManager"></a>
<h4>Pip.getNetworkAccessManager</h4>
<b>getNetworkAccessManager</b>(<i></i>)

<p>
        Public method to get a reference to the network access manager object.
</p>
<dl>
<dt>Return:</dt>
<dd>
reference to the network access manager object
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
QNetworkAccessManager
</dd>
</dl>
<a NAME="Pip.getOutdatedPackages" ID="Pip.getOutdatedPackages"></a>
<h4>Pip.getOutdatedPackages</h4>
<b>getOutdatedPackages</b>(<i>envName, localPackages=True, notRequired=False, usersite=False, interpreter=None, </i>)

<p>
        Public method to get the list of outdated packages.
</p>
<dl>

<dt><i>envName</i> (str)</dt>
<dd>
name of the environment to get the packages for
</dd>
<dt><i>localPackages</i> (bool (optional))</dt>
<dd>
flag indicating to get local packages only
            (defaults to False)
</dd>
<dt><i>notRequired</i> (bool (optional))</dt>
<dd>
flag indicating to list packages that are not
            dependencies of installed packages as well (defaults to False)
</dd>
<dt><i>usersite</i> (bool (optional))</dt>
<dd>
flag indicating to only list packages installed
            in user-site (defaults to False)
</dd>
<dt><i>interpreter</i> (str (optional))</dt>
<dd>
path of an interpreter executable. If this is not
            None, it will override the given environment name (defaults to None)
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
list of tuples containing the package name, installed version
            and available version
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
list of tuple of (str, str, str)
</dd>
</dl>
<a NAME="Pip.getPackageDetails" ID="Pip.getPackageDetails"></a>
<h4>Pip.getPackageDetails</h4>
<b>getPackageDetails</b>(<i>name, version</i>)

<p>
        Public method to get package details using the PyPI JSON interface.
</p>
<dl>

<dt><i>name</i> (str)</dt>
<dd>
package name
</dd>
<dt><i>version</i> (str)</dt>
<dd>
package version
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
dictionary containing PyPI package data
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
dict
</dd>
</dl>
<a NAME="Pip.getPackageVersions" ID="Pip.getPackageVersions"></a>
<h4>Pip.getPackageVersions</h4>
<b>getPackageVersions</b>(<i>name</i>)

<p>
        Public method to get a list of versions available for the given
        package.
</p>
<dl>

<dt><i>name</i> (str)</dt>
<dd>
package name
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
list of available versions
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
list of str
</dd>
</dl>
<a NAME="Pip.getProjectEnvironmentString" ID="Pip.getProjectEnvironmentString"></a>
<h4>Pip.getProjectEnvironmentString</h4>
<b>getProjectEnvironmentString</b>(<i></i>)

<p>
        Public method to get the string for the project environment.
</p>
<dl>
<dt>Return:</dt>
<dd>
string for the project environment
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl>
<a NAME="Pip.getUserConfig" ID="Pip.getUserConfig"></a>
<h4>Pip.getUserConfig</h4>
<b>getUserConfig</b>(<i></i>)

<p>
        Public method to get the name of the user configuration file.
</p>
<dl>
<dt>Return:</dt>
<dd>
path of the user configuration file
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl>
<a NAME="Pip.getVirtualenvConfig" ID="Pip.getVirtualenvConfig"></a>
<h4>Pip.getVirtualenvConfig</h4>
<b>getVirtualenvConfig</b>(<i>venvName</i>)

<p>
        Public method to get the name of the virtualenv configuration file.
</p>
<dl>

<dt><i>venvName</i> (str)</dt>
<dd>
name of the environment to get config file path for
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
path of the virtualenv configuration file
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl>
<a NAME="Pip.getVirtualenvInterpreter" ID="Pip.getVirtualenvInterpreter"></a>
<h4>Pip.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>Return:</dt>
<dd>
interpreter path
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
str
</dd>
</dl>
<a NAME="Pip.getVirtualenvNames" ID="Pip.getVirtualenvNames"></a>
<h4>Pip.getVirtualenvNames</h4>
<b>getVirtualenvNames</b>(<i>noRemote=False, noConda=False</i>)

<p>
        Public method to get a sorted list of virtual environment names.
</p>
<dl>

<dt><i>noRemote</i> (bool)</dt>
<dd>
flag indicating to exclude environments for remote
            debugging
</dd>
<dt><i>noConda</i> (bool)</dt>
<dd>
flag indicating to exclude Conda environments
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
sorted list of virtual environment names
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
list of str
</dd>
</dl>
<a NAME="Pip.getVulnerabilityChecker" ID="Pip.getVulnerabilityChecker"></a>
<h4>Pip.getVulnerabilityChecker</h4>
<b>getVulnerabilityChecker</b>(<i></i>)

<p>
        Public method to get a reference to the vulnerability checker object.
</p>
<dl>
<dt>Return:</dt>
<dd>
reference to the vulnerability checker object
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
PipVulnerabilityChecker
</dd>
</dl>
<a NAME="Pip.installEditableProject" ID="Pip.installEditableProject"></a>
<h4>Pip.installEditableProject</h4>
<b>installEditableProject</b>(<i>interpreter, projectPath</i>)

<p>
        Public method to install a project in development mode.
</p>
<dl>

<dt><i>interpreter</i> (str)</dt>
<dd>
interpreter to be used for execution
</dd>
<dt><i>projectPath</i> (str)</dt>
<dd>
path of the project
</dd>
</dl>
<a NAME="Pip.installPackages" ID="Pip.installPackages"></a>
<h4>Pip.installPackages</h4>
<b>installPackages</b>(<i>packages, venvName="", userSite=False, interpreter="", forceReinstall=False, </i>)

<p>
        Public method to install the given list of packages.
</p>
<dl>

<dt><i>packages</i> (list of str)</dt>
<dd>
list of packages to install
</dd>
<dt><i>venvName</i> (str)</dt>
<dd>
name of the virtual environment to be used
</dd>
<dt><i>userSite</i> (bool)</dt>
<dd>
flag indicating an install to the user install
            directory
</dd>
<dt><i>interpreter</i> (str)</dt>
<dd>
interpreter to be used for execution
</dd>
<dt><i>forceReinstall</i> (bool)</dt>
<dd>
flag indicating to force a reinstall of
            the packages
</dd>
</dl>
<a NAME="Pip.installPip" ID="Pip.installPip"></a>
<h4>Pip.installPip</h4>
<b>installPip</b>(<i>venvName, userSite=False</i>)

<p>
        Public method to install pip.
</p>
<dl>

<dt><i>venvName</i> (str)</dt>
<dd>
name of the environment to install pip into
</dd>
<dt><i>userSite</i> (bool)</dt>
<dd>
flag indicating an install to the user install
            directory
</dd>
</dl>
<a NAME="Pip.installRequirements" ID="Pip.installRequirements"></a>
<h4>Pip.installRequirements</h4>
<b>installRequirements</b>(<i>venvName</i>)

<p>
        Public method to install packages as given in a requirements file.
</p>
<dl>

<dt><i>venvName</i> (str)</dt>
<dd>
name of the virtual environment to be used
</dd>
</dl>
<a NAME="Pip.repairPip" ID="Pip.repairPip"></a>
<h4>Pip.repairPip</h4>
<b>repairPip</b>(<i>venvName</i>)

<p>
        Public method to repair the pip installation.
</p>
<dl>

<dt><i>venvName</i> (str)</dt>
<dd>
name of the environment to install pip into
</dd>
</dl>
<a NAME="Pip.runProcess" ID="Pip.runProcess"></a>
<h4>Pip.runProcess</h4>
<b>runProcess</b>(<i>args, interpreter</i>)

<p>
        Public method to execute the current pip with the given arguments.
</p>
<p>
        The selected pip executable is called with the given arguments and
        waited for its end.
</p>
<dl>

<dt><i>args</i> (list of str)</dt>
<dd>
list of command line arguments
</dd>
<dt><i>interpreter</i> (str)</dt>
<dd>
path of the Python interpreter to be used
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
tuple containing a flag indicating success and the output
            of the process
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
tuple of (bool, str)
</dd>
</dl>
<a NAME="Pip.showCacheInfo" ID="Pip.showCacheInfo"></a>
<h4>Pip.showCacheInfo</h4>
<b>showCacheInfo</b>(<i>venvName</i>)

<p>
        Public method to show some information about the pip cache.
</p>
<dl>

<dt><i>venvName</i> (str)</dt>
<dd>
name of the virtual environment to be used
</dd>
</dl>
<a NAME="Pip.uninstallPackages" ID="Pip.uninstallPackages"></a>
<h4>Pip.uninstallPackages</h4>
<b>uninstallPackages</b>(<i>packages, venvName</i>)

<p>
        Public method to uninstall the given list of packages.
</p>
<dl>

<dt><i>packages</i> (list of str)</dt>
<dd>
list of packages to uninstall
</dd>
<dt><i>venvName</i> (str)</dt>
<dd>
name of the virtual environment to be used
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
flag indicating a successful execution
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
<a NAME="Pip.uninstallRequirements" ID="Pip.uninstallRequirements"></a>
<h4>Pip.uninstallRequirements</h4>
<b>uninstallRequirements</b>(<i>venvName</i>)

<p>
        Public method to uninstall packages as given in a requirements file.
</p>
<dl>

<dt><i>venvName</i> (str)</dt>
<dd>
name of the virtual environment to be used
</dd>
</dl>
<a NAME="Pip.upgradePackages" ID="Pip.upgradePackages"></a>
<h4>Pip.upgradePackages</h4>
<b>upgradePackages</b>(<i>packages, venvName, userSite=False</i>)

<p>
        Public method to upgrade the given list of packages.
</p>
<dl>

<dt><i>packages</i> (list of str)</dt>
<dd>
list of packages to upgrade
</dd>
<dt><i>venvName</i> (str)</dt>
<dd>
name of the virtual environment to be used
</dd>
<dt><i>userSite</i> (bool)</dt>
<dd>
flag indicating an install to the user install
            directory
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
flag indicating a successful execution
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
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