ó &9_[c@sFdZddlZddlZddlmZddlmZdZdZdZ dZ d Z d Z id e 6d e 6d e6d e 6de6d e 6Z defd„ƒYZeƒZejjdeƒd„Zd„Zd„Zd„Zejd kreZnd„Zd„Zdd„Zd„Zd„Zd„Zd„ZdS(!sD This module contains factory functions that attempt to return Qt submodules from the various python Qt bindings. It also protects against double-importing Qt with different bindings, which is unstable and likely to crash This is used primarily by qt and qt_for_kernel, and shouldn't be accessed directly from the outside i˙˙˙˙N(tpartial(t check_versiontpyqttpyqt5tpyqtv1t pyqtdefaulttpysidetpyside2tPySide2tPySidetPyQt4tPyQt5t ImportDeniercBs5eZdZd„Zd„Zdd„Zd„ZRS(sfImport Hook that will guard against bad Qt imports once IPython commits to a specific binding cCstƒ|_dS(N(tsett_ImportDenier__forbidden(tself((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pyt__init__'scCs'tjj|dƒ|jj|ƒdS(N(tsystmodulestpoptNoneRtadd(Rt module_name((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pytforbid*scCs!|r dS||jkr|SdS(N(R(Rtfullnametpath((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pyt find_module.scCstd|tƒfƒ‚dS(Nsi Importing %s disabled by IPython, which has already imported an Incompatible QT Binding: %s (t ImportErrort loaded_api(RR((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pyt load_module4sN(t__name__t __module__t__doc__RRRRR(((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pyR "s    icCsÍ|tkr6tjdƒtjdƒtjdƒn|tkrltjdƒtjdƒtjdƒn]|tkr˘tjdƒtjdƒtjdƒn'tjdƒtjdƒtjdƒdS(s[Commit to a particular API, and trigger ImportErrors on subsequent dangerous importsR R R RN(tQT_API_PYSIDE2tIDRt QT_API_PYSIDEt QT_API_PYQT5(tapi((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pyt commit_api>s           cCsfdtjkr)tƒdkr"tStSn9dtjkr<tSdtjkrOtSdtjkrbtSdS(sÖReturn which API is loaded, if any If this returns anything besides None, importing any other Qt binding is unsafe. Returns ------- None, 'pyside2', 'pyside', 'pyqt', 'pyqt5', or 'pyqtv1' s PyQt4.QtCoreis PySide.QtCoresPySide2.QtCores PyQt5.QtCoreN( RRt qtapi_versiont QT_API_PYQTt QT_API_PYQTv1R#R!R$R(((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pyRTs cCsŔt|}ddl}y‘t|ƒ}|jd|jƒ|jd|jƒ|jd|jƒ|ttfkr†|jd|jƒn|tkr˘t|j dƒSt SWnt k rťt SXdS(sgSafely check for PyQt4/5, PySide or PySide2, without importing submodules Supports Python <= 3.3 Parameters ---------- api : str [ 'pyqtv1' | 'pyqt' | 'pyqt5' | 'pyside' | 'pyside2' | 'pyqtdefault'] Which module to check for Returns ------- True if the relevant module appears to be importable i˙˙˙˙NtQtCoretQtGuitQtSvgt QtWidgetss1.0.3( t api_to_moduletimpt __import__Rt__path__R$R!R#Rt __version__tTrueRtFalse(R%RR/tmod((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pyt has_bindingls     cCsÇt|}ddlm}dddg}|ttfkrK|jdƒnxM|D]E}y|d||fƒ}Wntk r†tSX|dkrRtSqRW|t krĂddl }t |j d ƒSt S( soSafely check for PyQt4/5, PySide or PySide2, without importing submodules Supports Python >= 3.4 Parameters ---------- api : str [ 'pyqtv1' | 'pyqt' | 'pyqt5' | 'pyside' | 'pyside2' | 'pyqtdefault'] Which module to check for Returns ------- True if the relevant module appears to be importable i˙˙˙˙(t find_specR*R+R,R-s%s.%sNs1.0.3(R.timportlib.utilR7R$R!tappendRR4RR#R RR2R3(R%RR7trequiredtsubmodtspecR ((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pythas_binding_new“s       iicCsOyddl}Wntk r$dSXy|jdƒSWntk rJdSXdS(s„Return which QString API has been set, if any Returns ------- The QString API version (1 or 2), or None if not set i˙˙˙˙NtQString(tsipRtgetapit ValueError(R?((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pyR'žs  cCsLt|ƒstStƒ}|tkr8|ttdgkS||dgkSdS(s?Safely query whether an API is importable, without importing itN(R6R4RtQT_API_PYQT_DEFAULTR(R)R(R%tcurrent((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pyt can_importĎs    icCsÎddl}|dk r;|jd|ƒ|jd|ƒnddlm}m}m}t|jdƒst d|jƒ‚n|j |_ |j |_ |jdƒ}|dkr¸tnt}||||fS( sč Import PyQt4 Parameters ---------- version : 1, 2, or None Which QString/QVariant API to use. Set to None to use the system default ImportErrors rasied within this function are non-recoverable i˙˙˙˙NR>tQVariant(R+R*R,s4.7s'IPython requires PyQt4 >= 4.7, found %si(R?RtsetapiR R+R*R,RtPYQT_VERSION_STRRt pyqtSignaltSignaltpyqtSlottSlotR@R)R((tversionR?R+R*R,R%((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pyt import_pyqt4Űs    cCs‘ddl}ddlm}m}m}m}|j|_|j|_ t j dƒ}|j j |j ƒ|j j |j ƒt}||||fS(sX Import PyQt5 ImportErrors rasied within this function are non-recoverable i˙˙˙˙N(R*R,R-R+t QtGuiCompat(R?R R*R,R-R+RHRIRJRKttypest ModuleTypet__dict__tupdateR$(R?R*R,R-R+RNR%((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pyt import_pyqt5s "  cCs,ddlm}m}m}|||tfS(sY Import PySide ImportErrors raised within this function are non-recoverable i˙˙˙˙(R+R*R,(R R+R*R,R#(R+R*R,((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pyt import_pysidescCs€ddlm}m}m}m}m}tjdƒ}|jj |jƒ|jj |jƒ|jj |jƒ|||t fS(sZ Import PySide2 ImportErrors raised within this function are non-recoverable i˙˙˙˙(R+R*R,R-tQtPrintSupportRN( RR+R*R,R-RURORPRQRRR!(R+R*R,R-RURN((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pytimport_pyside2 s (c Csitt6tt6tt6tt6ttddƒt 6ttddƒt 6}xĘ|D]…}||kr t d|dj g|jƒD]}d|^q}ƒfƒ‚nt|ƒs˛qOn||ƒ}|d}t|ƒ|SWtdtƒttƒttƒttƒttƒ|fƒ‚dS( s˝ Attempt to import Qt, given a preference list of permissible bindings It is safe to call this function multiple times. Parameters ---------- api_options: List of strings The order of APIs to try. Valid items are 'pyside', 'pyside2', 'pyqt', 'pyqt5', 'pyqtv1' and 'pyqtdefault' Returns ------- A tuple of QtCore, QtGui, QtSvg, QT_API The first three are the Qt modules. The last is the string indicating which module was loaded. Raises ------ ImportError, if it isn't possible to import any requested bindings (either becaues they aren't installed, or because an incompatible library has already been installed) RLis'Invalid Qt API %r, valid values are: %ss, s%ri˙˙˙˙s@ Could not load requested Qt binding. Please ensure that PyQt4 >= 4.7, PyQt5, PySide >= 1.0.3 or PySide2 is available, and only one is imported per session. Currently-imported Qt library: %r PyQt4 available (requires QtCore, QtGui, QtSvg): %s PyQt5 available (requires QtCore, QtGui, QtSvg, QtWidgets): %s PySide >= 1.0.3 installed: %s PySide2 installed: %s Tried to load: %r N(RVR!RTR#RMR(RSR$RR)RRBt RuntimeErrortjointkeysRDR&RRR6(t api_optionstloadersR%tktresult((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pytload_qt1s2  9         (ii(R RROt functoolsRtIPython.utils.versionRR(R$R)RBR#R!R.tobjectR R"t meta_pathtinsertR&RR6R=t version_infoR'RDRMRSRTRVR^(((s:lib/python2.7/site-packages/IPython/external/qt_loaders.pyt s@        ' (   %