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APIComparisons.html

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  632.         border-left:.5pt solid windowtext;}
  633.     -->
  634.     </style>
  635.   </head>
  636.   <body id="bodyID" class="dtBODY">
  637.   <body id="body1" class="dtBODY">
  638.     <div id="nsbanner">
  639. 	<div id="bannerrow1">
  640. 		<table class="bannerparthead" cellspacing="0" id="Table1">
  641. 			<tr id="hdr">
  642. 				<td class="runninghead">Perforce API for the .Net CLR</td>
  643. 				<td class="product"><img alt="P4.Net" src="p4net.GIF" /></td>
  644. 			</tr>
  645. 		</table>
  646. 	</div>
  647.     <div id="TitleRow">
  648.         <h1 class="dtH1">Comparisons with other Perforce APIs</h1>
  649. </div>
  650. </div>
  651.     <div id="nstext">
  652.     <H4 class="dtH4">Other APIs</H4>
  653.       <P>
  654.         There are a number of Perforce APIs out there... 
  655.       <a href="http://public.perforce.com/guest/tony_smith/perforce/API/Ruby/index.html">P4Ruby</a>,
  656. 	  <a href="http://public.perforce.com/guest/robert_cowham/perforce/API/python/index.html">P4Python</a>,
  657. 	  <a href="http://public.perforce.com/guest/tony_smith/perforce/API/Perl/index.html">P4Perl</a>, and
  658. 	  <a href="http://public.perforce.com/guest/robert_cowham/perforce/API/p4com/main/index.html">P4COM</a> are some of the most popular.
  659. 	  My goal was to make P4.Net as similar as possible to these.  In general, if you're familiar with the
  660. 	  Ruby/Python/Perl APIs, you'll be able to transition to P4.Net fairly quickly.  The biggest conceptual difference
  661. 	  is that those APIs are used in dynamic languages, and P4.Net targets static languages.  As a result, P4.Net 
  662. 	  uses custom types where the other APIs use built-in types, and P4.Net will use separate methods/properties to 
  663. 	  distinguish actions that output different types.
  664.       </P>
  665.       <H4 class="dtH4">Python Example</H4>
  666.       <P>
  667.         Let's just dive into a sample, and do a side-by-side comparison.  In this case, I'll compare P4.Net using IronPython
  668.         to P4Python using standard Python.  Note, I don't mean to suggest that P4.Net/IronPython is superior to P4Python/Standard Python, 
  669.         I just want to show apples-to-apples comparisons, without interference from individual language features.
  670.       </P>
  671.  
  672. <table x:str border=0 cellpadding=0 cellspacing=0 width=817 style='border-collapse:
  673.  collapse;table-layout:fixed;width:613pt'>
  674.  <col class=xl46 width=28 style='mso-width-source:userset;mso-width-alt:1024;
  675.  width:21pt'>
  676.  <col class=xl29 width=385 style='mso-width-source:userset;mso-width-alt:14080;
  677.  width:289pt'>
  678.  <col class=xl30 width=13 style='mso-width-source:userset;mso-width-alt:475;
  679.  width:10pt'>
  680.  <col class=xl27 width=391 style='mso-width-source:userset;mso-width-alt:14299;
  681.  width:293pt'>
  682.  <tr height=15 style='height:11.25pt'>
  683.   <td height=15 class=xl24 width=28 style='height:11.25pt;width:21pt'>&nbsp;</td>
  684.   <td class=xl47 width=385 style='width:289pt'># Standard Python and P4Python</td>
  685.   <td class=xl26 width=13 style='border-left:none;width:10pt'>&nbsp;</td>
  686.   <td class=xl67 width=391 style='width:293pt'># IronPython and P4.Net</td>
  687.  </tr>
  688.  <tr height=15 style='height:11.25pt'>
  689.   <td height=15 class=xl32 style='height:11.25pt'>&nbsp;</td>
  690.   <td class=xl33>&nbsp;</td>
  691.   <td class=xl34 style='border-left:none'>&nbsp;</td>
  692.   <td class=xl35>&nbsp;</td>
  693.  </tr>
  694.  <tr height=15 style='height:11.25pt'>
  695.   <td height=15 class=xl48 style='height:11.25pt;border-top:none'>&nbsp;</td>
  696.   <td class=xl49 style='border-top:none'>&nbsp;</td>
  697.   <td class=xl50 style='border-top:none;border-left:none'>&nbsp;</td>
  698.   <td class=xl51 style='border-top:none'>import<font class="font6"> clr</font></td>
  699.  </tr>
  700.  <tr height=15 style='height:11.25pt'>
  701.   <td height=15 class=xl52 style='height:11.25pt' x:num><a href="#Block1">1</a></td>
  702.   <td class=xl53>&nbsp;</td>
  703.   <td class=xl54 style='border-left:none'>&nbsp;</td>
  704.   <td class=xl55>from<font class="font6"> System </font><font class="font7">import</font><font
  705.   class="font6"> Array, String</font></td>
  706.  </tr>
  707.  <tr height=15 style='height:11.25pt'>
  708.   <td height=15 class=xl56 style='height:11.25pt'>&nbsp;</td>
  709.   <td class=xl57>&nbsp;</td>
  710.   <td class=xl58 style='border-left:none'>&nbsp;</td>
  711.   <td class=xl59>clr.AddReferenceToFile('<font class="font8">P4API.dll</font><font
  712.   class="font6">')</font></td>
  713.  </tr>
  714.  <tr height=15 style='height:11.25pt'>
  715.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  716.   <td class=xl36>&nbsp;</td>
  717.   <td class=xl37 style='border-left:none'>&nbsp;</td>
  718.   <td class=xl38>&nbsp;</td>
  719.  </tr>
  720.  <tr height=15 style='height:11.25pt'>
  721.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  722.   <td class=xl36>import<font class="font6"> p4 as P4API</font></td>
  723.   <td class=xl37 style='border-left:none'>&nbsp;</td>
  724.   <td class=xl31>import<font class="font6"> P4API</font></td>
  725.  </tr>
  726.  <tr height=15 style='height:11.25pt'>
  727.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  728.   <td class=xl36>&nbsp;</td>
  729.   <td class=xl37 style='border-left:none'>&nbsp;</td>
  730.   <td class=xl38>&nbsp;</td>
  731.  </tr>
  732.  <tr height=15 style='height:11.25pt'>
  733.   <td height=15 class=xl48 style='height:11.25pt'>&nbsp;</td>
  734.   <td class=xl49>p4 = P4API.P4()</td>
  735.   <td class=xl50 style='border-left:none'>&nbsp;</td>
  736.   <td class=xl60>p4 = P4API.P4Connection()</td>
  737.  </tr>
  738.  <tr height=15 style='height:11.25pt'>
  739.   <td height=15 class=xl52 style='height:11.25pt' x:num><a href="#Block2">2</a></td>
  740.   <td class=xl53>p4.parse_forms()</td>
  741.   <td class=xl54 style='border-left:none'>&nbsp;</td>
  742.   <td class=xl61>&nbsp;</td>
  743.  </tr>
  744.  <tr height=15 style='height:11.25pt'>
  745.   <td height=15 class=xl56 style='height:11.25pt'>&nbsp;</td>
  746.   <td class=xl57>p4.connect()</td>
  747.   <td class=xl58 style='border-left:none'>&nbsp;</td>
  748.   <td class=xl59>p4.Connect()</td>
  749.  </tr>
  750.  <tr height=15 style='height:11.25pt'>
  751.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  752.   <td class=xl29>&nbsp;</td>
  753.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  754.   <td class=xl38>&nbsp;</td>
  755.  </tr>
  756.  <tr height=15 style='height:11.25pt'>
  757.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  758.   <td class=xl29>lname = '<font class="font8">P4NetTestingSample</font><font
  759.   class="font6">'</font></td>
  760.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  761.   <td class=xl38>lname = '<font class="font8">P4NetTestingSample</font><font
  762.   class="font6">'</font></td>
  763.  </tr>
  764.  <tr height=15 style='height:11.25pt'>
  765.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  766.   <td class=xl29>&nbsp;</td>
  767.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  768.   <td class=xl38>&nbsp;</td>
  769.  </tr>
  770.  <tr height=15 style='height:11.25pt'>
  771.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  772.   <td class=xl40># build my label</td>
  773.   <td class=xl41 style='border-left:none'>&nbsp;</td>
  774.   <td class=xl42># build my label</td>
  775.  </tr>
  776.  <tr height=15 style='height:11.25pt'>
  777.   <td height=15 class=xl48 style='height:11.25pt'>&nbsp;</td>
  778.   <td class=xl49>labelForm = p4.fetch_label(lname)</td>
  779.   <td class=xl50 style='border-left:none'>&nbsp;</td>
  780.   <td class=xl60>labelForm = p4.Fetch_Form('<font class="font8">label</font><font
  781.   class="font6">', lname)</font></td>
  782.  </tr>
  783.  <tr height=15 style='height:11.25pt'>
  784.   <td height=15 class=xl52 style='height:11.25pt'>&nbsp;</td>
  785.   <td class=xl53>labelForm['<font class="font8">Description</font><font
  786.   class="font6">'] = '</font><font class="font8">Created for P4.Net sample</font><font
  787.   class="font6">'</font></td>
  788.   <td class=xl54 style='border-left:none'>&nbsp;</td>
  789.   <td class=xl61>labelForm['<font class="font8">Description</font><font
  790.   class="font6">'] = '</font><font class="font8">Created for P4.Net sample</font><font
  791.   class="font6">'</font></td>
  792.  </tr>
  793.  <tr height=15 style='height:11.25pt'>
  794.   <td height=15 class=xl52 style='height:11.25pt' x:num><a href="#Block3">3</a></td>
  795.   <td class=xl53>view = ['<font class="font8">//guest/shawn_hladky/...</font><font
  796.   class="font6">']</font></td>
  797.   <td class=xl54 style='border-left:none'>&nbsp;</td>
  798.   <td class=xl61>view = Array[String](['<font class="font8">//guest/shawn_hladky/...</font><font
  799.   class="font6">'])</font></td>
  800.  </tr>
  801.  <tr height=15 style='height:11.25pt'>
  802.   <td height=15 class=xl52 style='height:11.25pt'>&nbsp;</td>
  803.   <td class=xl53>labelForm['<font class="font8">View</font><font class="font6">']
  804.   = view</font></td>
  805.   <td class=xl54 style='border-left:none'>&nbsp;</td>
  806.   <td class=xl61>labelForm.ArrayFields['<font class="font8">View</font><font
  807.   class="font6">'] = view</font></td>
  808.  </tr>
  809.  <tr height=15 style='height:11.25pt'>
  810.   <td height=15 class=xl56 style='height:11.25pt'>&nbsp;</td>
  811.   <td class=xl57>res = p4.save_label(labelForm)</td>
  812.   <td class=xl58 style='border-left:none'>&nbsp;</td>
  813.   <td class=xl59>res = p4.Save_Form(labelForm)</td>
  814.  </tr>
  815.  <tr height=15 style='height:11.25pt'>
  816.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  817.   <td class=xl29>&nbsp;</td>
  818.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  819.   <td class=xl38>&nbsp;</td>
  820.  </tr>
  821.  <tr height=15 style='height:11.25pt'>
  822.   <td rowspan=2 height=30 class=xl71 style='border-bottom:.5pt solid black;
  823.   height:22.5pt' x:num><a href="#Block4" >4</a></td>
  824.   <td class=xl69 style='border-left:none'>if<font class="font6"> len(p4.errors)
  825.   &gt; 0:</font></td>
  826.   <td class=xl50 style='border-left:none'>&nbsp;</td>
  827.   <td class=xl70>if<font class="font6"> res.HasErrors():</font></td>
  828.  </tr>
  829.  <tr height=15 style='height:11.25pt'>
  830.   <td height=15 class=xl57 style='height:11.25pt;border-left:none'><span
  831.   style='mso-spacerun:yes'> </span><font class="font11">for</font><font
  832.   class="font6"> e </font><font class="font11">in</font><font class="font6">
  833.   p4.errors: print e</font></td>
  834.   <td class=xl58 style='border-left:none'>&nbsp;</td>
  835.   <td class=xl59><span style='mso-spacerun:yes'> </span><font class="font11">for</font><font
  836.   class="font6"> e </font><font class="font11">in</font><font class="font6">
  837.   res.Errors: print e</font></td>
  838.  </tr>
  839.  <tr height=15 style='height:11.25pt'>
  840.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  841.   <td class=xl29>&nbsp;</td>
  842.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  843.   <td class=xl38>&nbsp;</td>
  844.  </tr>
  845.  <tr height=15 style='height:11.25pt'>
  846.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  847.   <td class=xl40># My list of changes.<span style='mso-spacerun:yes'>
  848.   </span>This is totally arbitrary</td>
  849.   <td class=xl41 style='border-left:none'>&nbsp;</td>
  850.   <td class=xl42># My list of changes.<span style='mso-spacerun:yes'>
  851.   </span>This is totally arbitrary</td>
  852.  </tr>
  853.  <tr height=15 style='height:11.25pt'>
  854.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  855.   <td class=xl29>changes=['<font class="font8">5774</font><font class="font6">',
  856.   '</font><font class="font8">5680</font><font class="font6">', '</font><font
  857.   class="font8">5636</font><font class="font6">', '</font><font class="font8">5444</font><font
  858.   class="font6">']</font></td>
  859.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  860.   <td class=xl38>changes=['<font class="font8">5774</font><font class="font6">',
  861.   '</font><font class="font8">5680</font><font class="font6">', '</font><font
  862.   class="font8">5636</font><font class="font6">', '</font><font class="font8">5444</font><font
  863.   class="font6">']</font></td>
  864.  </tr>
  865.  <tr height=15 style='height:11.25pt'>
  866.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  867.   <td class=xl29>&nbsp;</td>
  868.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  869.   <td class=xl38>&nbsp;</td>
  870.  </tr>
  871.  <tr height=15 style='height:11.25pt'>
  872.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  873.   <td class=xl29>sorted_changes = changes.sort()</td>
  874.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  875.   <td class=xl38>sorted_changes = changes.sort()</td>
  876.  </tr>
  877.  <tr height=15 style='height:11.25pt'>
  878.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  879.   <td class=xl29>&nbsp;</td>
  880.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  881.   <td class=xl38>&nbsp;</td>
  882.  </tr>
  883.  <tr height=15 style='height:11.25pt'>
  884.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  885.   <td class=xl40># dictionary: keyed by file, value = revision</td>
  886.   <td class=xl41 style='border-left:none'>&nbsp;</td>
  887.   <td class=xl42># dictionary: keyed by file, value = revision</td>
  888.  </tr>
  889.  <tr height=15 style='height:11.25pt'>
  890.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  891.   <td class=xl29>filerevs = {}</td>
  892.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  893.   <td class=xl38>filerevs = {}</td>
  894.  </tr>
  895.  <tr height=15 style='height:11.25pt'>
  896.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  897.   <td class=xl29>&nbsp;</td>
  898.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  899.   <td class=xl38>&nbsp;</td>
  900.  </tr>
  901.  <tr height=15 style='height:11.25pt'>
  902.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  903.   <td class=xl40># spin the description on each file</td>
  904.   <td class=xl41 style='border-left:none'>&nbsp;</td>
  905.   <td class=xl42># spin the description on each file</td>
  906.  </tr>
  907.  <tr height=15 style='height:11.25pt'>
  908.   <td height=15 class=xl62 style='height:11.25pt' x:num><a href="#Block5">5</a></td>
  909.   <td class=xl68>for<font class="font6"> chg </font><font class="font10">in</font><font
  910.   class="font6"> p4.run_describe('</font><font class="font8">-s</font><font
  911.   class="font6">', *changes):</font></td>
  912.   <td class=xl63 style='border-left:none'>&nbsp;</td>
  913.   <td class=xl64>for<font class="font6"> chg </font><font class="font10">in</font><font
  914.   class="font6"> p4.Run('</font><font class="font8">describe</font><font
  915.   class="font6">', '</font><font class="font8">-s</font><font class="font6">',
  916.   *changes):</font></td>
  917.  </tr>
  918.  <tr height=15 style='height:11.25pt'>
  919.   <td rowspan=2 height=30 class=xl71 style='border-bottom:.5pt solid black;
  920.   height:22.5pt;border-top:none' x:num><a href="#Block5">6</a></td>
  921.   <td class=xl49 style='border-top:none;border-left:none'><span
  922.   style='mso-spacerun:yes'> </span>depotFiles = chg['<font class="font8">depotFile</font><font
  923.   class="font6">']</font></td>
  924.   <td class=xl50 style='border-top:none;border-left:none'>&nbsp;</td>
  925.   <td class=xl60 style='border-top:none'>
  926.   <span style='mso-spacerun:yes'> </span>depotFiles = chg.ArrayFields['<font class="font8">depotFile</font><font
  927.   class="font6">']</font></td>
  928.  </tr>
  929.  <tr height=15 style='height:11.25pt'>
  930.   <td height=15 class=xl57 style='height:11.25pt;border-left:none'><span
  931.   style='mso-spacerun:yes'> </span>revisions<span style='mso-spacerun:yes'>
  932.   </span>= chg['<font class="font8">rev</font><font class="font6">']</font></td>
  933.   <td class=xl58 style='border-left:none'>&nbsp;</td>
  934.   <td class=xl59><span style='mso-spacerun:yes'> </span>revisions<span
  935.   style='mso-spacerun:yes'></span>= chg.ArrayFields['<font class="font8">rev</font><font
  936.   class="font6">']</font></td>
  937.  </tr>
  938.  <tr height=15 style='height:11.25pt'>
  939.   <td height=15 class=xl24 style='height:11.25pt;border-top:none'>&nbsp;</td>
  940.   <td class=xl25 style='border-top:none'><span style='mso-spacerun:yes'>
  941.   </span><font class="font10">for</font><font class="font6"> i </font><font
  942.   class="font10">in</font><font class="font6"> range(0, len(depotFiles)):</font></td>
  943.   <td class=xl26 style='border-top:none;border-left:none'>&nbsp;</td>
  944.   <td class=xl39 style='border-top:none'><span style='mso-spacerun:yes'>
  945.   </span><font class="font10">for</font><font class="font6"> i </font><font
  946.   class="font10">in</font><font class="font6"> range(0, len(depotFiles)):</font></td>
  947.  </tr>
  948.  <tr height=15 style='height:11.25pt'>
  949.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  950.   <td class=xl29>
  951.   &nbsp;&nbsp;&nbsp;&nbsp;key,value = depotFiles[i], revisions[i]</td>
  952.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  953.   <td class=xl38>
  954.   &nbsp;&nbsp;&nbsp;&nbsp;key,value = depotFiles[i], revisions[i]</td>
  955.  </tr>
  956.  <tr height=15 style='height:11.25pt'>
  957.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  958.   <td class=xl29>&nbsp;&nbsp;&nbsp;&nbsp;filerevs[key]=value</td>
  959.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  960.   <td class=xl38>&nbsp;&nbsp;&nbsp;&nbsp;filerevs[key]=value</td>
  961.  </tr>
  962.  <tr height=15 style='height:11.25pt'>
  963.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  964.   <td class=xl29>&nbsp;</td>
  965.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  966.   <td class=xl38>&nbsp;</td>
  967.  </tr>
  968.  <tr height=15 style='height:11.25pt'>
  969.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  970.   <td class=xl40># convert the dictionary to a list</td>
  971.   <td class=xl41 style='border-left:none'>&nbsp;</td>
  972.   <td class=xl42># convert the dictionary to a list</td>
  973.  </tr>
  974.  <tr height=15 style='height:11.25pt'>
  975.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  976.   <td class=xl29>flist = []</td>
  977.   <td class=xl41 style='border-left:none'>&nbsp;</td>
  978.   <td class=xl38>flist = []</td>
  979.  </tr>
  980.  <tr height=15 style='height:11.25pt'>
  981.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  982.   <td class=xl43>for<font class="font6"> k,v </font><font class="font10">in</font><font
  983.   class="font6"> filerevs.items():</font></td>
  984.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  985.   <td class=xl45>for<font class="font6"> k,v </font><font class="font10">in</font><font
  986.   class="font6"> filerevs.items():</font></td>
  987.  </tr>
  988.  <tr height=15 style='height:11.25pt'>
  989.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  990.   <td class=xl29>&nbsp;&nbsp;&nbsp;&nbsp;flist.append(&quot;%s#%s&quot; % (k,v))</td>
  991.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  992.   <td class=xl38>&nbsp;&nbsp;&nbsp;&nbsp;flist.append(&quot;%s#%s&quot; % (k,v))</td>
  993.  </tr>
  994.  <tr height=15 style='height:11.25pt'>
  995.   <td height=15 class=xl32 style='height:11.25pt'>&nbsp;</td>
  996.   <td class=xl33>&nbsp;</td>
  997.   <td class=xl34 style='border-left:none'>&nbsp;</td>
  998.   <td class=xl35>&nbsp;</td>
  999.  </tr>
  1000.  <tr height=15 style='height:11.25pt'>
  1001.   <td height=15 class=xl48 style='height:11.25pt;border-top:none'>&nbsp;</td>
  1002.   <td class=xl65 style='border-top:none'># now I want to run in non-parsed mode</td>
  1003.   <td class=xl66 style='border-top:none;border-left:none'>&nbsp;</td>
  1004.   <td class=xl60 style='border-top:none'>&nbsp;</td>
  1005.  </tr>
  1006.  <tr height=15 style='height:11.25pt'>
  1007.   <td height=15 class=xl52 style='height:11.25pt'>&nbsp;</td>
  1008.   <td class=xl53>p4.disconnect()</td>
  1009.   <td class=xl54 style='border-left:none'>&nbsp;</td>
  1010.   <td class=xl61>&nbsp;</td>
  1011.  </tr>
  1012.  <tr height=15 style='height:11.25pt'>
  1013.   <td height=15 class=xl52 style='height:11.25pt'>&nbsp;</td>
  1014.   <td class=xl53>p4 = P4API.P4()</td>
  1015.   <td class=xl54 style='border-left:none'>&nbsp;</td>
  1016.   <td class=xl61>&nbsp;</td>
  1017.  </tr>
  1018.  <tr height=15 style='height:11.25pt'>
  1019.   <td height=15 class=xl52 style='height:11.25pt' x:num><a href="#Block7">7</a></td>
  1020.   <td class=xl53>p4.connect()</td>
  1021.   <td class=xl54 style='border-left:none'>&nbsp;</td>
  1022.   <td class=xl61>&nbsp;</td>
  1023.  </tr>
  1024.  <tr height=15 style='height:11.25pt'>
  1025.   <td height=15 class=xl52 style='height:11.25pt'>&nbsp;</td>
  1026.   <td class=xl53>&nbsp;</td>
  1027.   <td class=xl54 style='border-left:none'>&nbsp;</td>
  1028.   <td class=xl61>&nbsp;</td>
  1029.  </tr>
  1030.  <tr height=15 style='height:11.25pt'>
  1031.   <td height=15 class=xl56 style='height:11.25pt'>&nbsp;</td>
  1032.   <td class=xl57>out = p4.run('<font class="font8">labelsync</font><font
  1033.   class="font6">', '</font><font class="font8">-l</font><font class="font6">',
  1034.   lname, *flist)</font></td>
  1035.   <td class=xl58 style='border-left:none'>&nbsp;</td>
  1036.   <td class=xl59>out = p4.RunUnParsed('<font class="font8">labelsync</font><font
  1037.   class="font6">', '</font><font class="font8">-l</font><font class="font6">',
  1038.   lname, *flist)</font></td>
  1039.  </tr>
  1040.  <tr height=15 style='height:11.25pt'>
  1041.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  1042.   <td class=xl29>&nbsp;</td>
  1043.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  1044.   <td class=xl38>&nbsp;</td>
  1045.  </tr>
  1046.  <tr height=15 style='height:11.25pt'>
  1047.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  1048.   <td class=xl43>for<font class="font6"> s </font><font class="font10">in</font><font
  1049.   class="font6"> out: </font><font class="font10">print</font><font
  1050.   class="font6"> s</font></td>
  1051.   <td class=xl44 style='border-left:none'>&nbsp;</td>
  1052.   <td class=xl45>for<font class="font6"> s </font><font class="font10">in</font><font
  1053.   class="font6"> out: </font><font class="font10">print</font><font
  1054.   class="font6"> s</font></td>
  1055.  </tr>
  1056.  <tr height=15 style='height:11.25pt'>
  1057.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  1058.   <td class=xl29>&nbsp;</td>
  1059.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  1060.   <td class=xl38>&nbsp;</td>
  1061.  </tr>
  1062.  <tr height=15 style='height:11.25pt'>
  1063.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  1064.   <td class=xl40># delete the label to keep the public depot clean :-)</td>
  1065.   <td class=xl41 style='border-left:none'>&nbsp;</td>
  1066.   <td class=xl42># delete the label to keep the public depot clean :-)</td>
  1067.  </tr>
  1068.  <tr height=15 style='height:11.25pt'>
  1069.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  1070.   <td class=xl29>p4.run('<font class="font8">label</font><font class="font6">',
  1071.   '</font><font class="font8">-d</font><font class="font6">', lname)</font></td>
  1072.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  1073.   <td class=xl38>p4.RunUnParsed('<font class="font8">label</font><font
  1074.   class="font6">', '</font><font class="font8">-d</font><font class="font6">',
  1075.   lname)</font></td>
  1076.  </tr>
  1077.  <tr height=15 style='height:11.25pt'>
  1078.   <td height=15 class=xl28 style='height:11.25pt'>&nbsp;</td>
  1079.   <td class=xl29>&nbsp;</td>
  1080.   <td class=xl30 style='border-left:none'>&nbsp;</td>
  1081.   <td class=xl38>&nbsp;</td>
  1082.  </tr>
  1083.  <tr height=15 style='height:11.25pt'>
  1084.   <td height=15 class=xl32 style='height:11.25pt'>&nbsp;</td>
  1085.   <td class=xl33>p4.disconnect()</td>
  1086.   <td class=xl34 style='border-left:none'>&nbsp;</td>
  1087.   <td class=xl35>p4.Disconnect()</td>
  1088.  </tr>
  1089.  <![if supportMisalignedColumns]>
  1090.  <tr height=0 style='display:none'>
  1091.   <td width=28 style='width:21pt'></td>
  1092.   <td width=385 style='width:289pt'></td>
  1093.   <td width=13 style='width:10pt'></td>
  1094.   <td width=391 style='width:293pt'></td>
  1095.  </tr>
  1096.  <![endif]>
  1097. </table>
  1098.  
  1099.  
  1100.       <H4 class="dtH4"><a name="Block1">Block 1</a></H4>
  1101.         <p>
  1102.         This is some overhead required for IronPython.  It will load the CLR, and P4.Net.
  1103.         </p>
  1104.         
  1105.      <H4 class="dtH4"><a name="Block2">Block 2</a></H4>
  1106.         <p>
  1107.         This chunk of code is establishing a connection to the Perforce server.  There are a couple things
  1108.         unique to P4.Net worth noting here.  Classes in P4.Net are more explicitly named.  Here the connection
  1109.         class is named P4Connection.  While we're talking about naming, P4.Net uses traditional .Net conventions,
  1110.         and all method names use camel case.
  1111.         </p>
  1112.         <p>
  1113.         Also, note that P4.Net does not need the parse_forms() method.  P4.Net is designed to be more statically
  1114.         typed than P4Python/P4Ruby/P4Perl.  You use different methods to retrieve tagged vs. untagged output.  Therefore,
  1115.         P4.Net auto-manages the connection, and will dynamically switch modes in the native C++ API when needed.
  1116.         </p>
  1117.  
  1118.      <H4 class="dtH4"><a name="Block3">Block 3</a></H4>
  1119.         <p>
  1120.         There's several things going on in this chunk, so let's break it down line-by-line:
  1121.         </p>
  1122.         <pre class="code" language="C#" escaped="true">
  1123. P4Python: labelForm = p4.fetch_label(lname)
  1124. P4.Net  : labelForm = p4.Fetch_Form('label', lname)</pre>
  1125.         <p>Since P4.Net isn't meant for dynamic languages, there are no shortcut methods available.</p><p/>
  1126.         
  1127.         <pre class="code" language="C#" escaped="true">
  1128. P4Python: labelForm['Description'] = 'Created for P4.Net sample'
  1129. P4.Net  : labelForm['Description'] = 'Created for P4.Net sample'</pre>
  1130.         <p>Identical syntax!</p><p/>
  1131.         
  1132.         <pre class="code" language="C#" escaped="true">
  1133. P4Python: view = ['//guest/shawn_hladky/...']
  1134. P4.Net  : view = Array[String](['//guest/shawn_hladky/...'])</pre>
  1135.         <p>IronPython doesn't explicitly convert Python lists to .Net Arrays.</p><p/>
  1136.  
  1137.         <pre class="code" language="C#" escaped="true">
  1138. P4Python: labelForm['View'] = view
  1139. P4.Net  : labelForm.ArrayFields['View'] = view</pre>
  1140.         <p>In P4.Net, you use the ArrayFields property when getting/setting fields with array values.</p><p/>
  1141.         
  1142.         <pre class="code" language="C#" escaped="true">
  1143. P4Python: res = p4.save_label(labelForm)
  1144. P4.Net  : res = p4.Save_Form(labelForm)</pre>
  1145.         <p>There's no shortcut methode available in P4.Net; however, sine the form is a rich object,
  1146.         it already knows the command, and doesn't need to be supplied with the Save_Form method.</p><p />
  1147.         
  1148.     <H4 class="dtH4"><a name="Block4">Block 4</a></H4>
  1149.         <p>
  1150.         This is a subtle, but significant departure from the other APIs.  
  1151.         In P4.Net, results are rich objects, not just simple lists.  All 
  1152.         warnings, errors, and messages are associated with the results object.
  1153.         In other APIs, these are part of the connection object, and are reset with 
  1154.         each run.
  1155.         </p>
  1156.         
  1157.     <H4 class="dtH4"><a name="Block5">Block 5 & 6</a></H4>
  1158.         <p>
  1159.         More of the same... no short-cut methods, and use the ArrayFields property.  Only in this instance
  1160.         we're dealing with a P4Recordset instead of a form.
  1161.         </p>        
  1162.         
  1163.     <H4 class="dtH4"><a name="Block7">Block 7</a></H4>
  1164.         <p>
  1165.         In P4.Net, you use different methods to return tagged and untagged output.  This means P4.Net 
  1166.         auto-manages the connection for you, so no need to explicitly reset as other APIs require.
  1167.         </p>
  1168.       <hr />
  1169.       <div id="footer">
  1170.         <p>
  1171.           <a href="Copyright.html">Copyright  2006 Shawn Hladky</a>
  1172.         </p>
  1173.         <p>
  1174.         </p>
  1175.       </div>
  1176.     </div>
  1177.   </body>
  1178. </html>
# Change User Description Committed
#1 7341 Erik Purins p4.net
---
pull p4.net#head 		16 years ago
//guest/shawn_hladky/P4.Net/release/0.9/doc/APIComparisons.html
#1 5831 Shawn Hladky P4.Net: Branch release 0.9 and delete a few files missed last time 18 years ago
//guest/shawn_hladky/P4.Net/main/doc/APIComparisons.html
#1 5830 Shawn Hladky P4.Net: reorg to support release branches 18 years ago
//guest/shawn_hladky/P4.Net/doc/APIComparisons.html
#4 5824 Shawn Hladky P4.Net: Last bits of documentation for 0.9 18 years ago
#3 5815 Shawn Hladky P4.Net: more documentation
will build strong-named assemblies now. 		18 years ago
#2 5812 Shawn Hladky P4.Net: More documentation. 18 years ago
#1 5798 Shawn Hladky P4.Net...  still not ready for beta
Added license to all files
Added several doc fi...les
Misc bugs «		 18 years ago