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eric6/Documentation/Source/eric6.Globals.compatibility_fixes.html

Wed, 13 Jul 2022 15:34:50 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 13 Jul 2022 15:34:50 +0200
branch
with_python2
changeset 9225
bf799f79455c
parent 6942
2602857055c5
permissions
-rw-r--r--

Revisions <no_multi_processing, Variables Viewer, with_python2> closed.

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<h1>eric6.Globals.compatibility_fixes</h1>
<p>
Module implementing some workarounds to let eric6 run under Python 2.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>__find_module</td></tr><tr><td>__join</td></tr><tr><td>__load_source</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#File">File</a></td>
<td></td>
</tr><tr>
<td><a href="#PlainStrList">PlainStrList</a></td>
<td>Keep track that all added paths to sys.path are str.</td>
</tr>
</table>
<h3>Functions</h3>
<table>
<tr>
<td><a href="#find_moduleAsStr">find_moduleAsStr</a></td>
<td>Convert none str parameter of the imp.find_module into str.</td>
</tr><tr>
<td><a href="#joinAsUnicode">joinAsUnicode</a></td>
<td>Convert none unicode parameter of the os.path.join into unicode.</td>
</tr><tr>
<td><a href="#load_sourceAsStr">load_sourceAsStr</a></td>
<td>Convert none str parameter of the imp.load_source into str.</td>
</tr><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>None</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>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="PlainStrList" ID="PlainStrList"></a>
<h2>PlainStrList</h2>
<p>
    Keep track that all added paths to sys.path are str.
</p>
<h3>Derived from</h3>
list
<h3>Class Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#PlainStrList.__init__">PlainStrList</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#PlainStrList.__convert">__convert</a></td>
<td>Private method to convert unicode to file system encoding.</td>
</tr><tr>
<td><a href="#PlainStrList.__setitem__">__setitem__</a></td>
<td>Special method to overwrite a specific list item.</td>
</tr><tr>
<td><a href="#PlainStrList.insert">insert</a></td>
<td>Public method to insert a specific list item.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="PlainStrList.__init__" ID="PlainStrList.__init__"></a>
<h4>PlainStrList (Constructor)</h4>
<b>PlainStrList</b>(<i>*args</i>)
<p>
        Constructor
</p><dl>
<dt><i>args</i></dt>
<dd>
list of paths to start with (list)
</dd>
</dl><a NAME="PlainStrList.__convert" ID="PlainStrList.__convert"></a>
<h4>PlainStrList.__convert</h4>
<b>__convert</b>(<i>element</i>)
<p>
        Private method to convert unicode to file system encoding.
</p><dl>
<dt><i>element</i></dt>
<dd>
to convert from unicode to file system encoding (any)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
converted element
</dd>
</dl><a NAME="PlainStrList.__setitem__" ID="PlainStrList.__setitem__"></a>
<h4>PlainStrList.__setitem__</h4>
<b>__setitem__</b>(<i>idx, value</i>)
<p>
        Special method to overwrite a specific list item.
</p><dl>
<dt><i>idx</i></dt>
<dd>
index of the item (int)
</dd><dt><i>value</i></dt>
<dd>
the new value (any)
</dd>
</dl><a NAME="PlainStrList.insert" ID="PlainStrList.insert"></a>
<h4>PlainStrList.insert</h4>
<b>insert</b>(<i>idx, value</i>)
<p>
        Public method to insert a specific list item.
</p><dl>
<dt><i>idx</i></dt>
<dd>
index of the item (int)
</dd><dt><i>value</i></dt>
<dd>
the new value (any)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="find_moduleAsStr" ID="find_moduleAsStr"></a>
<h2>find_moduleAsStr</h2>
<b>find_moduleAsStr</b>(<i>*args</i>)
<p>
    Convert none str parameter of the imp.find_module into str.
</p><dl>
<dt><i>args</i></dt>
<dd>
(str, unicode)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
list of args converted to str (list)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="joinAsUnicode" ID="joinAsUnicode"></a>
<h2>joinAsUnicode</h2>
<b>joinAsUnicode</b>(<i>*args</i>)
<p>
    Convert none unicode parameter of the os.path.join into unicode.
</p><dl>
<dt><i>args</i></dt>
<dd>
paths which should be joined (str, unicode)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
unicode str of the path (unicode)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="load_sourceAsStr" ID="load_sourceAsStr"></a>
<h2>load_sourceAsStr</h2>
<b>load_sourceAsStr</b>(<i>*args</i>)
<p>
    Convert none str parameter of the imp.load_source into str.
</p><dl>
<dt><i>args</i></dt>
<dd>
(str, unicode)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
list of args converted to str (list)
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="open" ID="open"></a>
<h2>open</h2>
<b>open</b>(<i>filein, 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>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>Returns:</dt>
<dd>
Returns the new file object
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr />
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