eric6/Documentation/Source/eric6.Plugins.VcsPlugins.vcsMercurial.HgClient.html

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<h1>eric6.Plugins.VcsPlugins.vcsMercurial.HgClient</h1>

<p>
Module implementing an interface to the Mercurial command server.
</p>
<h3>Global Attributes</h3>

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

<table>

<tr>
<td><a href="#HgClient">HgClient</a></td>
<td>Class implementing the Mercurial command server interface.</td>
</tr>
</table>
<h3>Functions</h3>

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

<p>
    Class implementing the Mercurial command server interface.
</p>
<h3>Derived from</h3>
QObject
<h3>Class Attributes</h3>

<table>
<tr><td>Channels</td></tr><tr><td>InputFormat</td></tr><tr><td>OutputFormat</td></tr><tr><td>OutputFormatSize</td></tr><tr><td>ReturnFormat</td></tr>
</table>
<h3>Class Methods</h3>

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

<table>

<tr>
<td><a href="#HgClient.__init__">HgClient</a></td>
<td>Constructor</td>
</tr>
<tr>
<td><a href="#HgClient.__prompt">__prompt</a></td>
<td>Private method to prompt the user for some input.</td>
</tr>
<tr>
<td><a href="#HgClient.__readChannel">__readChannel</a></td>
<td>Private method to read data from the command server.</td>
</tr>
<tr>
<td><a href="#HgClient.__readHello">__readHello</a></td>
<td>Private method to read the hello message sent by the command server.</td>
</tr>
<tr>
<td><a href="#HgClient.__runcommand">__runcommand</a></td>
<td>Private method to run a command in the server (low level).</td>
</tr>
<tr>
<td><a href="#HgClient.__serverFinished">__serverFinished</a></td>
<td>Private slot connected to the finished signal.</td>
</tr>
<tr>
<td><a href="#HgClient.__writeDataBlock">__writeDataBlock</a></td>
<td>Private slot to write some data to the command server.</td>
</tr>
<tr>
<td><a href="#HgClient.cancel">cancel</a></td>
<td>Public method to cancel the running command.</td>
</tr>
<tr>
<td><a href="#HgClient.func">func</a></td>
<td></td>
</tr>
<tr>
<td><a href="#HgClient.isExecuting">isExecuting</a></td>
<td>Public method to check, if the server is executing a command.</td>
</tr>
<tr>
<td><a href="#HgClient.myprompt">myprompt</a></td>
<td></td>
</tr>
<tr>
<td><a href="#HgClient.restartServer">restartServer</a></td>
<td>Public method to restart the command server.</td>
</tr>
<tr>
<td><a href="#HgClient.runcommand">runcommand</a></td>
<td>Public method to execute a command via the command server.</td>
</tr>
<tr>
<td><a href="#HgClient.startServer">startServer</a></td>
<td>Public method to start the command server.</td>
</tr>
<tr>
<td><a href="#HgClient.stopServer">stopServer</a></td>
<td>Public method to stop the command server.</td>
</tr>
<tr>
<td><a href="#HgClient.wasCanceled">wasCanceled</a></td>
<td>Public method to check, if the last command was canceled.</td>
</tr>
</table>
<h3>Static Methods</h3>

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

<a NAME="HgClient.__init__" ID="HgClient.__init__"></a>
<h4>HgClient (Constructor)</h4>
<b>HgClient</b>(<i>repoPath, encoding, vcs, parent=None</i>)

<p>
        Constructor
</p>
<dl>

<dt><i>repoPath</i> (str)</dt>
<dd>
root directory of the repository
</dd>
<dt><i>encoding</i> (str)</dt>
<dd>
encoding to be used by the command server
</dd>
<dt><i>vcs</i> (Hg)</dt>
<dd>
reference to the VCS object
</dd>
<dt><i>parent</i> (QObject)</dt>
<dd>
reference to the parent object
</dd>
</dl>
<a NAME="HgClient.__prompt" ID="HgClient.__prompt"></a>
<h4>HgClient.__prompt</h4>
<b>__prompt</b>(<i>size, message</i>)

<p>
        Private method to prompt the user for some input.
</p>
<dl>

<dt><i>size</i> (int)</dt>
<dd>
maximum length of the requested input
</dd>
<dt><i>message</i> (str)</dt>
<dd>
message sent by the server
</dd>
</dl>
<dl>
<dt>Returns:</dt>
<dd>
tuple containing data entered by the user and
            a flag indicating a password input
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
tuple of (str, bool)
</dd>
</dl>
<a NAME="HgClient.__readChannel" ID="HgClient.__readChannel"></a>
<h4>HgClient.__readChannel</h4>
<b>__readChannel</b>(<i></i>)

<p>
        Private method to read data from the command server.
</p>
<dl>
<dt>Returns:</dt>
<dd>
tuple of channel designator and channel data
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
tuple of (str, int or str or bytes)
</dd>
</dl>
<a NAME="HgClient.__readHello" ID="HgClient.__readHello"></a>
<h4>HgClient.__readHello</h4>
<b>__readHello</b>(<i></i>)

<p>
        Private method to read the hello message sent by the command server.
</p>
<dl>
<dt>Returns:</dt>
<dd>
tuple of flag indicating success and an error message in case
            of failure
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
tuple of (bool, str)
</dd>
</dl>
<a NAME="HgClient.__runcommand" ID="HgClient.__runcommand"></a>
<h4>HgClient.__runcommand</h4>
<b>__runcommand</b>(<i>args, inputChannels, outputChannels</i>)

<p>
        Private method to run a command in the server (low level).
</p>
<dl>

<dt><i>args</i> (list of str)</dt>
<dd>
list of arguments for the command
</dd>
<dt><i>inputChannels</i> (dict)</dt>
<dd>
dictionary of input channels. The dictionary must
            have the keys 'I' and 'L' and each entry must be a function
            receiving the number of bytes to write.
</dd>
<dt><i>outputChannels</i> (dict)</dt>
<dd>
dictionary of output channels. The dictionary
            must have the keys 'o' and 'e' and each entry must be a function
            receiving the data.
</dd>
</dl>
<dl>
<dt>Returns:</dt>
<dd>
result code of the command, -1 if the command server wasn't
            started or -10, if the command was canceled
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
int
</dd>
</dl>
<dl>

<dt>Raises <b>RuntimeError</b>:</dt>
<dd>
raised to indicate an unexpected command
            channel
</dd>
</dl>
<a NAME="HgClient.__serverFinished" ID="HgClient.__serverFinished"></a>
<h4>HgClient.__serverFinished</h4>
<b>__serverFinished</b>(<i>exitCode, exitStatus</i>)

<p>
        Private slot connected to the finished signal.
</p>
<dl>

<dt><i>exitCode</i> (int)</dt>
<dd>
exit code of the process
</dd>
<dt><i>exitStatus</i> (QProcess.ExitStatus)</dt>
<dd>
exit status of the process
</dd>
</dl>
<a NAME="HgClient.__writeDataBlock" ID="HgClient.__writeDataBlock"></a>
<h4>HgClient.__writeDataBlock</h4>
<b>__writeDataBlock</b>(<i>data</i>)

<p>
        Private slot to write some data to the command server.
</p>
<dl>

<dt><i>data</i> (str)</dt>
<dd>
data to be sent
</dd>
</dl>
<a NAME="HgClient.cancel" ID="HgClient.cancel"></a>
<h4>HgClient.cancel</h4>
<b>cancel</b>(<i></i>)

<p>
        Public method to cancel the running command.
</p>
<a NAME="HgClient.func" ID="HgClient.func"></a>
<h4>HgClient.func</h4>
<b>func</b>(<i></i>)

<a NAME="HgClient.isExecuting" ID="HgClient.isExecuting"></a>
<h4>HgClient.isExecuting</h4>
<b>isExecuting</b>(<i></i>)

<p>
        Public method to check, if the server is executing a command.
</p>
<dl>
<dt>Returns:</dt>
<dd>
flag indicating the execution of a command
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
<a NAME="HgClient.myprompt" ID="HgClient.myprompt"></a>
<h4>HgClient.myprompt</h4>
<b>myprompt</b>(<i></i>)

<a NAME="HgClient.restartServer" ID="HgClient.restartServer"></a>
<h4>HgClient.restartServer</h4>
<b>restartServer</b>(<i></i>)

<p>
        Public method to restart the command server.
</p>
<dl>
<dt>Returns:</dt>
<dd>
tuple of flag indicating a successful start and an error
            message in case of failure
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
tuple of (bool, str)
</dd>
</dl>
<a NAME="HgClient.runcommand" ID="HgClient.runcommand"></a>
<h4>HgClient.runcommand</h4>
<b>runcommand</b>(<i>args, prompt=None, inputData=None, output=None, error=None</i>)

<p>
        Public method to execute a command via the command server.
</p>
<dl>

<dt><i>args</i> (list of str)</dt>
<dd>
list of arguments for the command
</dd>
<dt><i>prompt</i> (func(int, str) -> (str, bool))</dt>
<dd>
function to reply to prompts by the server. It
            receives the max number of bytes to return and the contents
            of the output channel received so far. If an output function is
            given as well, the prompt data is passed through the output
            function. The function must return the input data and a flag
            indicating a password input.
</dd>
<dt><i>inputData</i> (func(int) -> bytes)</dt>
<dd>
function to reply to bulk data requests by the
            server. It receives the max number of bytes to return.
</dd>
<dt><i>output</i> (func(str))</dt>
<dd>
function receiving the data from the server. If a
            prompt function is given, it is assumed, that the prompt output
            is passed via this function.
</dd>
<dt><i>error</i> (func(str))</dt>
<dd>
function receiving error messages from the server
</dd>
</dl>
<dl>
<dt>Returns:</dt>
<dd>
tuple of output and errors of the command server. In case
            output and/or error functions were given, the respective return
            value will be an empty string.
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
tuple of (str, str)
</dd>
</dl>
<a NAME="HgClient.startServer" ID="HgClient.startServer"></a>
<h4>HgClient.startServer</h4>
<b>startServer</b>(<i></i>)

<p>
        Public method to start the command server.
</p>
<dl>
<dt>Returns:</dt>
<dd>
tuple of flag indicating a successful start and an error
            message in case of failure
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
tuple of (bool, str)
</dd>
</dl>
<a NAME="HgClient.stopServer" ID="HgClient.stopServer"></a>
<h4>HgClient.stopServer</h4>
<b>stopServer</b>(<i></i>)

<p>
        Public method to stop the command server.
</p>
<a NAME="HgClient.wasCanceled" ID="HgClient.wasCanceled"></a>
<h4>HgClient.wasCanceled</h4>
<b>wasCanceled</b>(<i></i>)

<p>
        Public method to check, if the last command was canceled.
</p>
<dl>
<dt>Returns:</dt>
<dd>
flag indicating the cancel state
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
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