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Annotation of ExtFile/ExtImage.pyc, revision 1.1.1.1

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Z'de(f&dYZ)ee)&&dS(sExtImage product module.sExtImage product module.
                      7:     The ExtImage-Product works like the Zope Image-product, but stores the 
                      8:     uploaded image externally in a repository-direcory. It creates a preview
                      9:     of the image (requires PIL).s1.5.4N(&t&*(sHTMLFiles
MessageDialogsInitializeClass(&sClassSecurityInfo(&sResourceLockedError(sjoinsisfile(&s
TemporaryFile(&sWriteLockInterface(&s   IExtImagetExtImagei(&sRedirecttRedirect(&sREPOSITORY_UMASKi&iisdtml/extImageAddtcCsW&|&o}&t&|d&d    d   j  od&|i}&|&tti|&dti|&dti|&dd}&|p&|&}t  |&&}&n&&t
                     10: |&||||}|i|&|&|djo,&|i|&&i||d||| |
                     11: &n&&|tjp
&|tjo,&|i|&&i||d||| |
                     12: &n&&|
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dd&Sn&&|&S(
                     13: s Add an ExtImage to a folder. tfilenamet&/s&\t&:i&Ritupdate_menuN(tidtgetattrtfiletNoneRtmaxtstringtrfindttitletnormalize_idR&tdescrtpermission_checktredirect_default_viewttempExtImagetselft
                     14: _setObjectt_getObtmanage_file_uploadtcontent_typetcreate_prevtmaxxtmaxytratiotUPLOAD_NORESIZEt
UPLOAD_RESIZEtpreviewtREQUESTtmanage_main(RRRRR
                     15: R RRRRRRRR!R((t0/usr/local/testzope/Products/ExtFile/ExtImage.pytmanage_addExtImageNs"&! &&&&
&&&&
&,&&,&
&&cBstZ&dZeefZeZd&Zhdd<dd<dd<Z e  dZ
                     16: e dZddd d  d
                     17: ZdZ
eied&d  d  eeed d  d  d
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                     18: Zeied&dZeied&dZeied&dZeied&dZeied&dZeied&dZeied&dZeied&dZeied&d Zeied!&d"Zeied#&d$Zeied%&d&Zeied'&d(Zeied)&d*Z eied+&e!d,e"Z#eie$d-&ed.&Z%eie$d/&d  d  d  ed0Z&eied1&e!d2e"Z'eie$d3&ddd  e(ddd ed4Z)eie$d5&ddd    e(ddd ed6Z*eie$d7&d  ed8Z+eie$d9&d:Z,d;Z-d<Z.d=Z/d>Z0d?Z1ed@&Z2ei3dA&&dBZ4ei3dC&&dDZ5ei3dE&&dFZ6dGZ7dHZ8RS(Is The ExtImage-Product works like the Zope Image-product, but stores the 
                     19:         uploaded image externally in a repository-direcory. It can create a 
                     20:         preview of the image (requires PIL).R&tdefaulti&tmini&RiRicCsJti&d&&||&||||&g|_d|_    d|_
                     21: d|_dS(s' Initialize a new instance of ExtImage t__init__Ri&iN(R&tinheritedAttributeRRRRRRt
prev_filenametprev_content_typet
                     22: prev_ratiothas_preview(RRRRRR((R#R'}s&&"&    &   &   &c&&&Cs
                     23: |i&S(&N(Rttag(&R((R#t__str__s&R-t&0cKs
|i&p
                     24: &d&}&n&&|ip
                     25: &d&}&n&&|&o&|io
                     26: &d&}n&&|o"&|idd&&}d\}}
nZ&|&o.&|idd&&}|i
                     27: |i&\}}
n%&|i}|i
                     28: |i&\}}
|p&|
}|p&|}|p&|}|p&|}|o'&|djo&tt|&|&}n&&|o'&|djo&tt|&|&}n&&|djo&|ip&d}n&&d||    |f}|o&d||f}n&&|o&d||f}n&&x6|iD](}|i|&}d    |||f}q&Wd
                     29: |}|S(
s= Generate an HTML IMG tag for this image, with customization.
                     30:             Arguments to self.tag() can be any valid attributes of an IMG tag.
                     31:             'src' will always be an absolute pathname, to prevent redundant
                     32:             downloading of images. Defaults are applied intelligently for
                     33:             'height', 'width', and 'alt'. If specified, the 'scale', 'xscale',
                     34:             and 'yscale' keyword arguments will be used to automatically adjust
                     35:             the output height and width values of the image tag.
                     36:             Adopted and adapted from OFS/Image.py
                     37:         i&ticoni R Rs"<img src="%s" border="%s" alt="%s"s%s height="%s"s
%s width="%s"s
                     38: %s %s="%s"s%s />N(i i ( Rtis_webviewableR t_access_permittedR,R0t_static_urlturlt img_widtht
                     39: img_heightt
_getImageSizeR)RtheighttwidthtxscaletscaletxdeltatyscaletydeltaRtstrtinttaltRtbordertstrgtargstkeystkeytgettvalue(RR R0R8R9RAR;R:R=RBR!RDR5R6R<RFR>R4RHRC((R#R-sH
                     40: &
&
                     41: &
&
                     42: &&
                     43: &&&&&&&&
&

&
&&&&
&&&
&&&
                     44: &R c&&Cst|id&d&dS(s Return a preview of the image R i&N(RRR3(&R((R#R s&&tpreview_tagc&&Cs|i&d&d&S(s2 Generates the HTML IMG tag for the preview image R i&N(RR-(&R((R#RIs&&tpreview_htmlc&&&Cs
                     45: |i&S(s Same as preview_tag N(RRI(&R((R#RJs&&t   is_brokenc&&CsO|i&o2&|i|ijo&|i|i&p&d&Sq<&n&&tid&|&S(s@ Check if external file exists and return true (1) or false (0) i&RKN(RR,RR)t_get_fsnameR&R((&R((R#RKs
                     46: &&&&&R1c&CsC|i&}&|&d&jp&|&djp
&|&djo&dSn&dSdS(s< Return 1 for GIF, JPEG, and PNG images, otherwise return 0 tJPEGtGIFtPNGi&iN(Rtformat(RRP((R#R1s
                     47: &&&'&t
get_prev_sizec&Cs2|i&|i&}&|&o&ti|&&d&Sn&&dS(s& Returns the size of the preview file iiN(RRLR)tfntoststat(RRR((R#RQs
                     48: &&&&&tprev_rawsizec&&&Cs
                     49: |i&S(s Same as get_prev_size N(RRQ(&R((R#RUs&&t prev_sizec&&Cs|i&|i&S(s= Returns a formatted stringified version of the preview size N(Rt
_bytetostringRQ(&R((R#RVs&&R9c&&Cs|i&|i&d&S(s Pixel width of the image iN(RR7R(&R((R#R9s&&R8c&&Cs|i&|i&d&S(s Pixel height of the image i&N(RR7R(&R((R#R8s&&t
                     50: prev_widthc&&Cs|i&|i&d&S(s Pixel width of the preview iN(RR7R)(&R((R#RXs&&tprev_heightc&&Cs|i&|i&d&S(s Pixel height of the preview i&N(RR7R)(&R((R#RYs&&RPc&CsK|i&|i&}y'd&kl}&|i|&}&|&iSWn&&&dSn&XdS(s& Get the PIL file format of the image (&sImagetunknownN(RRLRtPILtImagetopentimRP(RR^R\R((R#RP&s&&&&
&&&&tget_prev_filenamec&&Cs|i&|i&S(s+ Returns the preview file name for display N(Rt_fsnameR)(&R((R#R_&s&&R"sdtml/extImageEdittmanage_del_prevcCs1&|i&o&|i|ijo&|i|i&}|i|i&}t|&oY&yt i
                     51: ||d&&Wntj
                     52: o&&&&q&Xyt  i|&&Wqtj
                     53: o&&&&q&Xq&t|&o2&yt i
                     54: ||d&&Wqtj
                     55: o&&&&q&Xq&n&&d|_
d|_&|i&|&dj   o&|i||&dd&Sn&&dS(s Delete the Preview Image s.undoRitmanage_tabs_messagesPreview deleted.N(RR,RR)t_temp_fsnamettmp_fnR`RRtisfileRStrenametOSErrortremoveR*tZCacheable_invalidateR!RR"(RR!RdRR((R#Ra&s.&&&&&
&&&    &
&&
& &   
                     56: 
&tmanage_create_prevcCs&|i&|&|\}&}|&d&joa&|d&joT&|i&z8|i|idd&&}|i|i  ||&||&Wd|i&Xn&&|djo&|iSnu&|io&|i||dd&SnQ&|&djo*&|djo&tdd   d
                     57: ddd
Sn&tddd
                     58: ddd
SdS(s Create a preview Image iRs
                     59: image/jpegNRbsPreview created.R/Rt    AttentiontmessagesYou must enter a value > 0tactions
./manage_maintWarnings/An error occurred while generating the preview.(Rt_formatDimensionsRRt _registert_get_ufnR)tnew_fnt_createPreviewRRt_dir__unlockR!RR,R"t
MessageDialog(RRRRR!Rr((R#Rj3&s(&&&&
                     60: &&& &&&
&
                     61: &&&  &   &tmanage_uploadFormsdtml/extImageUploadt
manage_uploadc    
                     62:     Cs|i&o
&td&n&&t|&&tijo'&t} |  i  |&&&|   i
                     63: d&&n&|&}   |i|    |||||||S(s0 Upload image from file handle or string buffer sFile is locked via WebDAViN(Rtwl_isLockedtResourceLockedErrorttypeR
                     64: ttypest
                     65: StringTypet
TemporaryFilet   temp_filetwritetseekRRt
                     66: is_previewRRRRR!(
                     67: RR
                     68: RRRRRRR!R~((R#RwR&s&
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                     69: yt  |&d}&Wqg&&&|
                     70: |&qgXn&&|i
                     71: ||\}}|tjo&|djow&|djoj&|i&z5|i|idd&&}  |i|&|i|   &&Wd|i&X|i|  |  |||&qx&|o&t|&|}&n&&|i|&|&id&|i|i|_|&id&&|i&z8|i|id|i&&}   |i|&|i|   &&Wd|i&X|    |_|i&n&t i!d    &||&|&|t"jo&|i
                     72: ||\}}|djoa&|djoT&|i&z8|i|idd&&}   |i|i#|  |||&Wd|i&Xqx&n&&|dj    o&|i&||d
                     73: d&Sn&&dS(s2 Upload image from file handle or local directory sFile is locked via WebDAVsCan't open: trbiRs
                     74: image/jpegNidRRbsUpload complete.('RRxRyRRzR
                     75: R{R|t
cant_read_excR]RoRRRRRpRqR)Rrt_update_dataRcRtRsRRt
                     76: HTTPUploadt_get_content_typetreadRR*Rt_initPreviewR&R(tGENERATERR!RR"(RR
                     77: RRRRRRR!RrR((R#Rc&sX&
&
&&&&&&'&
                     78: &&&&&&&&&&
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                     79: &&&&&&    &&
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                     80: &&& &&&
&tmanage_http_uploadcCsJ&|i&o
&td&n&&|o&ti|&d}&d}yti|&&}Wn&&&||&n&Xt
                     81: |&}|i||id&|i
|i|_|id&&|i&z8|i|id|i&&}|i||i|&&Wd|i&X||_|i&n&tid&||&&|dj  o&|i||d  d
                     82: &Sn&&dS(s Upload image from http-server sFile is locked via WebDAVs/:sCan't open: idiRNRRbsUpload complete.(RRxRyRturllibtquoteR4RturlopenR
                     83: RRRRR*RRpRqR)RrRRcRtRR&R(R!RR"(RR4RR!R
                     84: RRr((R#R&s2&&
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                     85: &&&&&&    &    
&tPUTcCsti&d&&||&|}|io&|i|i|i\}}|i&z~y|i&Wn)t
j
                     86: o&&&&|i|&id&}n&Xd}|i|iddd|&}|i|i||||i&Wd|i&Xn&&|S(s Handle HTTP PUT requests RiRs
                     87: image/jpegtpathN(R&R(RR!tRESPONSER,Rot   prev_maxxt   prev_maxyRRRpt    aq_parentt
AttributErrort_get_zodb_pathtPARENTSRRRqR)RrRsRR+Rt(RR!RRRRrR((R#R&s &&&
                     88: &&
                     89: &&&&&&#&&&cCsY|i&|&&}&y8d&kl}&|i|&&}|id|idfSWn&&&dSn&XdS(s& Return width, height tuple using PIL (&sImageii&N(ii(RRLRR[R\R]R^tsize(RRR^R\((R#R7&s&&&&
&&&&cCs&yd&kl&}&Wntj
                     90: o&&&&nq&&X|i|&&}|oY&&|i|&}
                     91: |
                     92: i djo&|
                     93: i
                     94: d&}
                     95: n&&|i}t
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&|i}n&&|o&|
                     96: i||f|&n&|
                     97: i||f|}
                     98: tit&}|i|&}  y|
                     99: i|  ddd&&WnO&&&ti|&&t|  &o+&yti|  &&WqQ&tj
                    100: o&&&&qQ&&Xn&&nXti|&&d|_||_||_ ||_!||_"n&&|i#&dS(  s Generate a preview using PIL (&sImagetRGBt  ANTIALIASRMtqualityiUs
                    101: image/jpegN($R[R\tImportErrorRRLt
from_filenametimfileR]R^tmodetconverttBICUBICtfilterthasattrRRt  thumbnailRRtresizeRStumasktREPOSITORY_UMASKRctto_filenametoutfiletsaveReRhRgR*R)RRR+R(RRRRRRRRRRR^R\((R#Rs&sF&&&&&&&&&&    &&
&&&&&&&&
&
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&   &   &   &   &
&c&CsV|i&&|i|i&\}}&|d&j&p
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&d&|_n
                    102: &d|_dS(s Verify the preview ii&N(RRiR7R)RXRYR,(RRYRX((R#Rs&&
                    103: &&
cCsV&t|&&tijo7&yt|&&}&WqMtj
                    104: o&&&&|id&}&qM&Xn&&t|&tijo7&yt|&}Wqtj
                    105: o&&&&|id&}q&Xn&&|&djo&|djo&|&|idjo&|id}&n&&|&|idjo&|id}&n&&||idjo&|id}qL&&||idjo&|id}qL&&n&&|&|fS(s+ Make sure, the dimensions are valid int's R%iR&RN(  RzRR{R|R@t
                    106: ValueErrorRt_image_sizeR(RRR((R#Ros*&&&&&&&&&&&&&c&Cs|i&ov&|i|ijoc&|i|i&}&t|&&o?&t|&d&&o.&|i&ti   |&d&|i
                    107: |i&&q&n&&tid&|&S(s- Restore filename after delete or copy-paste s.undot_undoN(
RR,RR)R`RRReRpRSRfRcR&R((RRR((R#Rs&&&&&
                    108: &(&c   CsXd&kl&}&||&\}}}|o
                    109: &|}n"&tid&||&|||}|S(s Determine the mime-type (&sgetImageInfoRN(t OFS.ImagetgetImageInfotbodytctt&wt&hRR&R(RR
                    110: R(  RR
                    111: RRRRRRR((R#R$s&&
&&&
                    112: &&tmanage_afterClonecCs<&y|i&&Wntj
                    113: o&&&&n&&Xtid&&||&}|i&z|id|i    &}|ioh&|i|i
joU&|i|i
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                    114: &g|_
Wd|i&X|Stid&&||&S(s When a copy of the object is created (zope copy-paste-operation),
                    115:             this function is called by CopySupport.py. A copy of the external 
                    116:             file is created and self.filename is changed.
                    117:         RRiN(RRtAttributeErrorR&R(titemtresultRpt_get_new_ufnR*tnew_prev_fnR,RR)RLtold_prev_fnRRctold_fnRt(RRRRRR((R#R4s4&&&&&
                    118: &&&&&&&
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&
                    119: &&  &
&&&&tmanage_afterAddcCsti&d&&||&|S(s When a copy of the object is created (zope copy-paste-operation),
                    120:             this function is called by CopySupport.py. A copy of the external 
                    121:             file is created and self.filename is changed.
                    122:         RN(R&R(RRt   container(RRR((R#RXs&tmanage_beforeDeletecCs&|i&o&|i|ijo&|i|i&}|i|i&}t|&oY&yt   i
                    123: ||d&&Wntj
                    124: o&&&&q&Xyt  i|&&Wqtj
                    125: o&&&&q&Xq&t|&o2&yt i
                    126: ||d&&Wqtj
                    127: o&&&&q&Xq&n&&t
id&||&|S(s`& This method is called, when the object is deleted. To support 
                    128:             undo-functionality and because this happens too, when the object 
                    129:             is moved (cut-paste) or renamed, the external file is not deleted. 
                    130:             It is just renamed to filename.undo and remains in the 
                    131:             repository, until it is deleted manually.
                    132:         s.undoRN(RR,RR)RcRdR`RRReRSRfRgRhR&R(RR(RRRRdRR((R#R`s&&&&&
&&&    &
&&
&c&Cs|i&o&|i|i&jo&|i|i&&}&to&tttd&|&&n&&t    |&&ol&to&tttd|&&n&&|i
                    133: |i&&}yti
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                    134: o&&&&n&Xti|&|&q&n&&tid&|&&dS(s Commits the temporary file sfinishing %ss   isfile %st_finishN(RR)RRcRdt_debugtLOGt_SUBSYStINFOReR`RRRSRhRgRfR&R((RRdRR((R#Rys&&&&&
&&&&&&c&Cs|i&o&|i|i&jo&|i|i&&}&to&tttd&|&&n&&t    |&&oJ&to&tttd|&&n&&yt
                    135: i|&&&Wqtj
                    136: o&&&&q&Xq&n&&t
id&|&&dS(s Deletes the temporary file saborting %ss    isfile %st_abortN(RR)RRcRdRRRRReRSRhRgR&R((RRd((R#Rs&&&&&
&&&
&(9t__name__t
                    137: __module__t__doc__t IExtImagetWriteLockInterfacet__implements__tClassSecurityInfotsecurityt  meta_typeRRRR'R.tdeclareProtectedtViewPermissionRR-R RIRJRKR1RQRURVR9R8RXRYRPtAccessPermissionR_tHTMLFiletglobalsR"tChangePermissionRaRjRvt
                    138: NO_PREVIEWRwRRRR7RsRRoRRtdeclarePrivateRRRRR(((R#R&fs    !
                    139: &
                    140:     &'0& & & & & & & & & & & & & 
                    141: &     &&&&&!&!1&#&     
                    142:    &   
                    143:           
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(*Rt__version__tGlobalstProducts.ExtFile.ExtFileRRutInitializeClasst
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