Documentation/Source/eric5.Plugins.VcsPlugins.vcsMercurial.HgClient.html

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<h1>eric5.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, parent=None</i>)
<p>
        Constructor
</p><dl>
<dt><i>repoPath</i></dt>
<dd>
root directory of the repository (string)
</dd><dt><i>encoding</i></dt>
<dd>
encoding to be used by the command server (string)
</dd><dt><i>parent</i></dt>
<dd>
reference to the parent object (QObject)
</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></dt>
<dd>
maximum length of the requested input (integer)
</dd><dt><i>message</i></dt>
<dd>
message sent by the server (string)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
data entered by the user (string)
</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
            (string, integer or string 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 (boolean) and an error message
            in case of failure (string)
</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></dt>
<dd>
list of arguments for the command (list of string)
</dd><dt><i>inputChannels</i></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></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 (integer)
</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></dt>
<dd>
exit code of the process (integer)
</dd><dt><i>exitStatus</i></dt>
<dd>
exit status of the process (QProcess.ExitStatus)
</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></dt>
<dd>
data to be sent (string)
</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 (boolean)
</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 (boolean) and
            an error message (string) in case of failure
</dd>
</dl><a NAME="HgClient.runcommand" ID="HgClient.runcommand"></a>
<h4>HgClient.runcommand</h4>
<b>runcommand</b>(<i>args, prompt=None, input=None, output=None, error=None</i>)
<p>
        Public method to execute a command via the command server.
</p><dl>
<dt><i>args</i></dt>
<dd>
list of arguments for the command (list of string)
</dd><dt><i>prompt=</i></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.
</dd><dt><i>input=</i></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></dt>
<dd>
function receiving the data from the server (string).
            If a prompt function is given, this parameter will be ignored.
</dd><dt><i>error=</i></dt>
<dd>
function receiving error messages from the server
            (string)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
output and errors of the command server (string). In case
            output and/or error functions were given, the respective return
            value will be an empty string.
</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 (boolean) and
            an error message (string) in case of failure
</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 (boolean)
</dd>
</dl>
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