Update sip binding

Author: pblottiere

python/core/qgsarchive.sip

@@ -45,13 +45,6 @@ class QgsArchive
  :rtype: bool
 %End
 
-    bool zip();
-%Docstring
- Zip the content of this archive. THe current filename is used.
- :return: false if something goes wrong, true otherwise
- :rtype: bool
-%End
-
     virtual bool unzip( const QString &zipFilename );
 %Docstring
  Clear the current content of this archive and unzip. Files are unzipped
@@ -61,16 +54,6 @@ class QgsArchive
  :rtype: bool
 %End
 
-    bool unzip();
-%Docstring
- Clear the current content of this archive and unzip. If a project file
- is found in the content, then this archive may be considered as a valid
- one. Files are unzipped in the temporary directory. The current filename
- is used.
- :return: true if a project file has been found, false otherwise
- :rtype: bool
-%End
-
     void clear();
 %Docstring
  Clear the current content of this archive and create a new temporary
@@ -84,18 +67,6 @@ class QgsArchive
  \param filename A file to add when zipping this archive
 %End
 
-    void setFileName( const QString &filename );
-%Docstring
- Set the filename to use when zipping/unzipping this archive.
- \param filename The zip filename
-%End
-
-    QString filename() const;
-%Docstring
- Returns the current zip filename.
- :rtype: str
-%End
-
     QStringList files() const;
 %Docstring
  Returns the list of files within this archive

python/core/qgsproject.sip

@@ -612,55 +612,7 @@ Returns the number of registered layers.
  :rtype: QMap<str, QgsMapLayer *>
 %End
 
-    bool unzip( const QString &filename );
-%Docstring
- Unzip a project
- \param filename The zip file to unzip
- :return: true if unzip is well performed, false otherwise
-.. versionadded:: 3.0
- :rtype: bool
-%End
-
-    bool unzip();
-%Docstring
- Unzip a project with the current zip filename
- :return: true if unzip is well performed, false otherwise
-.. versionadded:: 3.0
- :rtype: bool
-%End
-
-    bool zip( const QString &filename );
-%Docstring
- Zip the project
- \param filename The zip filename
- :return: true if zip is well performed, false otherwise
-.. versionadded:: 3.0
- :rtype: bool
-%End
-
-    bool zip();
-%Docstring
- Zip the project with the current zip filename
- :return: true if zip is well performed, false otherwise
-.. versionadded:: 3.0
- :rtype: bool
-%End
-
-    QString zipFileName() const;
-%Docstring
- Returns the current zip filename or an empty string if none.
-.. versionadded:: 3.0
- :rtype: str
-%End
-
-    void setZipFileName( const QString &filename );
-%Docstring
- Sets the current zip filename.
- \param filename The zip filename
-.. versionadded:: 3.0
-%End
-
-    bool unzipped() const;
+    bool isZipped() const;
 %Docstring
  Returns true if the project comes from a zip archive, false otherwise.
  :rtype: bool

python/core/qgsziputils.sip

@@ -15,6 +15,15 @@
 namespace QgsZipUtils
 {
 
+  bool isZipFile( const QString &filename );
+%Docstring
+ Returns true if the file name is a zipped file ( i.e with a '.qgz'
+  extension, false otherwise.
+ \param filename The name of the file
+ :return: true if the file is zipped, false otherwise
+ :rtype: bool
+%End
+
   bool unzip( const QString &zip, const QString &dir, QStringList &files /Out/ );
 %Docstring
  Unzip a zip file in an output directory. An error is returned if the zip