eric: Documentation/Source/eric5.Utilities.compatibility_fixes.html@2f2a4a76dd22

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<h1>eric5.Utilities.compatibility_fixes</h1>
<p>
Module implementing the open behavior of Python3 for use with Eric5.
</p><p>
The Eric5 used features are emulated only. The not emulated features
should throw a NotImplementedError exception.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#File">File</a></td>
<td></td>
</tr>
</table>
<h3>Functions</h3>
<table>
<tr>
<td><a href="#open">open</a></td>
<td>Replacement for the build in open function.</td>
</tr>
</table>
<hr /><hr />
<a NAME="File" ID="File"></a>
<h2>File</h2>

<h3>Derived from</h3>
file
<h3>Class Attributes</h3>
<table>
<tr><td>fp</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#File.__init__">File</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#File.next">next</a></td>
<td>Public method used in an iterator.</td>
</tr><tr>
<td><a href="#File.read">read</a></td>
<td>Public method to read n bytes or all if n=-1 from file.</td>
</tr><tr>
<td><a href="#File.readline">readline</a></td>
<td>Public method to read one line from file.</td>
</tr><tr>
<td><a href="#File.readlines">readlines</a></td>
<td>Public method to read all lines from file.</td>
</tr><tr>
<td><a href="#File.write">write</a></td>
<td>Public method to write given data to file and encode if needed.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="File.__init__" ID="File.__init__"></a>
<h4>File (Constructor)</h4>
<b>File</b>(<i>filein, mode='r', buffering=-1, encoding=None, errors=None, newline=None, closefd=True</i>)
<p>
        Constructor
</p><p>
        It checks for unimplemented parameters.
</p><dl>
<dt><i>filein</i></dt>
<dd>
filename or file descriptor (string)
</dd><dt><i>mode=</i></dt>
<dd>
access mode (string)
</dd><dt><i>buffering=</i></dt>
<dd>
size of the read buffer (string)
</dd><dt><i>encoding=</i></dt>
<dd>
character encoding for reading/ writing (string)
</dd><dt><i>errors=</i></dt>
<dd>
behavior for the character encoding ('strict',
            'explicit', ...) (string)
</dd><dt><i>newline=</i></dt>
<dd>
controls how universal newlines works (string)
</dd><dt><i>closefd=</i></dt>
<dd>
close underlying file descriptor if given as file
            parameter (boolean)
</dd>
</dl><dl>
<dt>Raises <b>NotImplementedError</b>:</dt>
<dd>
for not implemented method parameters
</dd>
</dl><a NAME="File.next" ID="File.next"></a>
<h4>File.next</h4>
<b>next</b>(<i></i>)
<p>
        Public method used in an iterator.
</p><dl>
<dt>Returns:</dt>
<dd>
decoded data read
</dd>
</dl><a NAME="File.read" ID="File.read"></a>
<h4>File.read</h4>
<b>read</b>(<i>n=-1</i>)
<p>
        Public method to read n bytes or all if n=-1 from file.
</p><dl>
<dt><i>n=</i></dt>
<dd>
bytecount or all if n=-1 (int)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
decoded bytes read
</dd>
</dl><a NAME="File.readline" ID="File.readline"></a>
<h4>File.readline</h4>
<b>readline</b>(<i>limit=-1</i>)
<p>
        Public method to read one line from file.
</p><dl>
<dt><i>limit=</i></dt>
<dd>
maximum bytes to read or all if limit=-1 (int)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
decoded line read
</dd>
</dl><a NAME="File.readlines" ID="File.readlines"></a>
<h4>File.readlines</h4>
<b>readlines</b>(<i>hint=-1</i>)
<p>
        Public method to read all lines from file.
</p><dl>
<dt><i>hint=</i></dt>
<dd>
maximum bytes to read or all if hint=-1 (int)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
decoded lines read
</dd>
</dl><a NAME="File.write" ID="File.write"></a>
<h4>File.write</h4>
<b>write</b>(<i>txt</i>)
<p>
        Public method to write given data to file and encode if needed.
</p><dl>
<dt><i>txt</i></dt>
<dd>
data to write. (str, bytes)
</dd>
</dl>
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<hr /><hr />
<a NAME="open" ID="open"></a>
<h2>open</h2>
<b>open</b>(<i>file, mode='r', buffering=-1, encoding=None, errors=None, newline=None, closefd=True</i>)
<p>
    Replacement for the build in open function.
</p><dl>
<dt><i>file</i></dt>
<dd>
filename or file descriptor (string)
</dd><dt><i>mode=</i></dt>
<dd>
access mode (string)
</dd><dt><i>buffering=</i></dt>
<dd>
size of the read buffer (string)
</dd><dt><i>encoding=</i></dt>
<dd>
character encoding for reading/ writing (string)
</dd><dt><i>errors=</i></dt>
<dd>
behavior for the character encoding ('strict',
        'explicit', ...) (string)
</dd><dt><i>newline=</i></dt>
<dd>
controls how universal newlines works (string)
</dd><dt><i>closefd=</i></dt>
<dd>
close underlying file descriptor if given as file
        parameter (boolean)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
Returns the new file object
</dd>
</dl>
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