"e dZddlZddlmZddlmZdZdZdZdZ d Z d Z Gd d e Z e Zejj!ed ZdZdZdZdZddZdZdZdZdZy)aD 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 N)partial) check_versionpyqtpyqtv1 pyqtdefaultpysidepyside2pyqt5c*eZdZdZdZdZddZdZy) ImportDenierzfImport Hook that will guard against bad Qt imports once IPython commits to a specific binding c"t|_yN)set_ImportDenier__forbidden)selfs :/usr/lib/python3/dist-packages/pydev_ipython/qt_loaders.py__init__zImportDenier.__init__s 5cztjj|d|jj |yr)sysmodulespopradd)r module_names rforbidzImportDenier.forbid!s(  T* [)rNc*|ry||jvr|Syr)r)rfullnamepaths r find_modulezImportDenier.find_module%s   t'' 'K (rc6td|dtd)Nz Importing zQ disabled by IPython, which has already imported an Incompatible QT Binding:  ) ImportError loaded_api)rrs r load_modulezImportDenier.load_module+s Z\#$ $rr)__name__ __module__ __qualname____doc__rrrr$rrr r s!* $rr c|tk(r+tjdtjdytjdtjdy)z[Commit to a particular API, and trigger ImportErrors on subsequent dangerous importsPyQt4PyQt5PySidePySide2N) QT_API_PYSIDEIDr)apis r commit_apir26s< m ' ' ( )rcdtjvrtdk(rtStSdtjvrt Sdtjvrt SdtjvrtSy)zReturn which API is loaded, if any If this returns anything besides None, importing any other Qt binding is unsafe. Returns ------- None, 'pyside', 'pyside2', 'pyqt', or 'pyqtv1' z PyQt4.QtCorez PySide.QtCorezPySide2.QtCorez PyQt5.QtCoreN)rr qtapi_version QT_API_PYQT QT_API_PYQTv1r/QT_API_PYSIDE2 QT_API_PYQT5r)rrr#r#Bs_$ ?a   CKK ' S[[ ( 3;; & rc (tdtdtdtdtdt di}||}ddl} t|}dD]$}|jj|d|$y |tk(rt|jd Sy #t$rYy wxYw) a1Safely check for PyQt4 or PySide, without importing submodules Parameters ---------- api : str [ 'pyqtv1' | 'pyqt' | 'pyside' | 'pyqtdefault'] Which module to check for Returns ------- True if the relevant module appears to be importable r-r.r+r,rN)QtCoreQtGuiQtSvg.Fz1.0.3T) r/r8r6r7QT_API_PYQT_DEFAULTr9 importlib __import__util find_specr __version__r")r1rr@modchecks r has_bindingrGZs !(!9 '& Kc"K%2 E~~'';(FGO  -  ': : s0B"B$B BBcl ddl} |jdS#t$rYywxYw#t$rYywxYw)zReturn which QString API has been set, if any Returns ------- The QString API version (1 or 2), or None if not set rNQString)sipr"getapi ValueError)rJs rr5r5sEzz)$$  s' $$ 33ctt|syt}|tk(r|ttt dfvS||dfvS)z?Safely query whether an API is importable, without importing itFN)rGr#r?r6r7r9)r1currents r can_importrOs@ s lG !!; |TJJJ3+%%rcZddl}|$|jd||jd|ddlm}m}m}t |jdstd|jz|j|_ |j|_ |jd}|dk(rtnt}||||fS) z Import PyQt4 Parameters ---------- version : 1, 2, or None Which QString/QVariant API to use. Set to None to use the system default ImportErrors raised within this function are non-recoverable rNrIQVariantr<r;r=z4.7z'IPython requires PyQt4 >= 4.7, found %s)rJsetapir+r<r;r=rPYQT_VERSION_STRr" pyqtSignalSignalpyqtSlotSlotrKr7r6)versionrJr<r;r=r1s r import_pyqt4r[s 9g& :w'** 00% 8C 1123 3%%FM//FKjj#G"a<-[C 5% $$rcnddlm}m}m}|j|_|j |_|||tfS)zX Import PyQt5 ImportErrors raised within this function are non-recoverable rrR) r,r<r;r=rVrWrXrYr9rRs r import_pyqt5r]s3 +*%%FM//FK 5% --rc*ddlm}m}m}|||tfS)zY Import PySide ImportErrors raised within this function are non-recoverable rrR)r-r<r;r=r/rRs r import_pysider_s ,+ 5% ..rc*ddlm}m}m}|||tfS)zZ Import PySide2 ImportErrors raised within this function are non-recoverable rrR)r.r<r;r=r/rRs rimport_pyside2ras -, 5% ..rc6tttttt t tt dttt dtti}|D]g}||vr8td|dtdtdtdt dtdtt|sK||}|d}t||cStdtd t!td t!td t!td t!td |d )a Attempt to import Qt, given a preference list of permissible bindings It is safe to call this function multiple times. Parameters ---------- api_options: List of strings The order of APIs to try. Valid items are 'pyside', 'pyqt', and 'pyqtv1' Returns ------- A tuple of QtCore, QtGui, QtSvg, QT_API The first three are the Qt modules. The last is the string indicating which module was loaded. Raises ------ ImportError, if it isn't possible to import any requested bindings (either becaues they aren't installed, or because an incompatible library has already been installed) rS)rZNzInvalid Qt API z, valid values are: z, z Could not load requested Qt binding. Please ensure that PyQt4 >= 4.7 or PySide >= 1.0.3 is available, and only one is imported per session. Currently-imported Qt library: z& PyQt4 installed: z& PyQt5 installed: z& PySide >= 1.0.3 installed: z& PySide2 installed: z& Tried to load: r!)r/r_r8rar6r[r7rr?r9r] RuntimeErrorrOr2r"r#rG) api_optionsloadersr1results rload_qtrhs4m~LglA>"GL$$G\ G! g m]K 3\CD D # Rj3 !" < { # | $ } % ~ & ! r)r4)r(r functoolsrpydev_ipython.versionrr6r7r?r/r8r9objectr r0 meta_pathappendr2r#rGr5rOr[r]r_rarhr)rrrns  /  #  $6$2^ R 0)X" &"%J .//Cr