summaryrefslogtreecommitdiffstats
path: root/Doc/texinputs/python.sty
blob: 92adabb4afd0b4aa5b7cb9943863fe51f76880dc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
%
% python.sty for the Python docummentation  [works only with with Latex2e]
%

\NeedsTeXFormat{LaTeX2e}[1995/12/01]
\ProvidesPackage{python}
             [1998/01/11 LaTeX package (Python markup)]

% Uncomment these two lines to ignore the paper size and make the page 
% size more like a typical published manual.
%\renewcommand{\paperheight}{9in}
%\renewcommand{\paperwidth}{8.5in}   % typical squarish manual
%\renewcommand{\paperwidth}{7in}     % O'Reilly ``Programmming Python''

% These packages can be used to add marginal annotations which indicate
% index entries and labels; useful for reviewing this messy documentation!
%
%\RequirePackage{showkeys}
%\RequirePackage{showidx}

% for PDF output, use maximal compression & a lot of other stuff
% (test for PDF recommended by Tanmoy Bhattacharya <tanmoy@qcd.lanl.gov>)
%
\newif\ifpy@doing@page@targets
\py@doing@page@targetsfalse

\ifx\pdfoutput\undefined\else\ifcase\pdfoutput
\else
  \input{pdfcolor}
  \let\py@LinkColor=\NavyBlue
  \let\py@NormalColor=\Black
  \pdfcompresslevel=9
  \pdfpagewidth=\paperwidth    % page width of PDF output
  \pdfpageheight=\paperheight  % page height of PDF output
  %
  % Pad the number with '0' to 3 digits wide so no page name is a prefix
  % of any other.
  %
  \newcommand{\py@targetno}[1]{\ifnum#1<100 0\fi\ifnum#1<10 0\fi#1}
  \newcommand{\py@pageno}{\py@targetno\thepage}
  %
  % This definition allows the entries in the page-view of the ToC to be
  % active links.  Some work, some don't.
  %
  \let\py@OldContentsline=\contentsline
  %
  % Macro that takes two args: the name to link to and the content of
  % the link.  This takes care of the PDF magic, getting the colors
  % the same for each link, and avoids having lots of garbage all over 
  % this style file.
  \newcommand{\py@linkToName}[2]{%
    \pdfannotlink attr{/Border [0 0 0]} goto name{#1}%
      \py@LinkColor#2\py@NormalColor%
    \pdfendlink%
  }    
  % Compute the padded page number separately since we end up with a pair of
  % \relax tokens; this gets the right string computed and works.
  \renewcommand{\contentsline}[3]{%
    \def\my@pageno{\py@targetno{#3}}%
    \py@OldContentsline{#1}{\py@linkToName{page\my@pageno}{#2}}{#3}%
  }
  \AtEndDocument{
    \InputIfFileExists{\jobname.bkm}{\pdfcatalog{/PageMode /UseOutlines}}{}
  }
  \newcommand{\py@target}[1]{%
    \ifpy@doing@page@targets%
      {\pdfdest name{#1} fit}%
    \fi%
  }
  \let\py@OldLabel=\label
  \renewcommand{\label}[1]{%
    \py@OldLabel{#1}%
    \py@target{label-#1}%
  }
  % This stuff adds a page# destination to every PDF page, where # is three
  % digits wide, padded with leading zeros.  This doesn't really help with
  % the frontmatter, but does fine with the body.
  %
  % This is *heavily* based on the hyperref package.
  %
  \def\@begindvi{%
    \unvbox \@begindvibox
    \@hyperfixhead
  }
  \def\@hyperfixhead{%
   \let\H@old@thehead\@thehead
       \global\def\@foo{\py@target{page\py@pageno}}%
     \expandafter\ifx\expandafter\@empty\H@old@thehead
       \def\H@old@thehead{\hfil}\fi
    \def\@thehead{\@foo\relax\H@old@thehead}%
  }
\fi\fi

% Increase printable page size (copied from fullpage.sty)
\topmargin 0pt
\advance \topmargin by -\headheight
\advance \topmargin by -\headsep

% attempt to work a little better for A4 users
\textheight \paperheight
\advance\textheight by -2in

\oddsidemargin 0pt
\evensidemargin 0pt
%\evensidemargin -.25in  % for ``manual size'' documents
\marginparwidth 0.5in

\textwidth \paperwidth
\advance\textwidth by -2in


% Style parameters and macros used by most documents here
\raggedbottom
\sloppy
\parindent = 0mm
\parskip = 2mm
\hbadness = 5000		% don't print trivial gripes

\pagestyle{empty}		% start this way; change for
\pagenumbering{roman}		% ToC & chapters
\setcounter{secnumdepth}{1}

% Use this to set the font family for headers and other decor:
\newcommand{\py@HeaderFamily}{\sffamily}

% Redefine the 'normal' header/footer style when using "fancyhdr" package:
\@ifundefined{fancyhf}{}{
  % Use \pagestyle{normal} as the primary pagestyle for text.
  \fancypagestyle{normal}{
    \fancyhf{}
    \fancyfoot[LE,RO]{{\py@HeaderFamily\thepage}}
    \fancyfoot[LO]{{\py@HeaderFamily\nouppercase{\rightmark}}}
    \fancyfoot[RE]{{\py@HeaderFamily\nouppercase{\leftmark}}}
    \renewcommand{\headrulewidth}{0pt}
    \renewcommand{\footrulewidth}{0.4pt}
  }
  % Update the plain style so we get the page number & footer line,
  % but not a chapter or section title.  This is to keep the first
  % page of a chapter and the blank page between chapters `clean.'
  \fancypagestyle{plain}{
    \fancyhf{}
    \fancyfoot[LE,RO]{{\py@HeaderFamily\thepage}}
    \renewcommand{\headrulewidth}{0pt}
    \renewcommand{\footrulewidth}{0.4pt}
  }
  % Redefine \cleardoublepage so that the blank page between chapters
  % gets the plain style and not the fancy style.  This is described
  % in the documentation for the fancyhdr package by Piet von Oostrum.
  \@ifundefined{chapter}{}{
    \renewcommand{\cleardoublepage}{
      \clearpage\if@openright \ifodd\c@page\else
      \hbox{}
      \thispagestyle{plain}
      \newpage
      \if@twocolumn\hbox{}\newpage\fi\fi\fi
    }
  }
}

% This sets up the {verbatim} environment to be indented and a minipage,
% and to have all the other mostly nice properties that we want for
% code samples.

\let\py@OldVerbatim=\verbatim
\let\py@OldEndVerbatim=\endverbatim
\RequirePackage{verbatim}

% Variable used by begin code command
\newlength{\py@codewidth}

\renewcommand{\verbatim}{%
  \setlength{\parindent}{1cm}%
  % Calculate the text width for the minipage:
  \setlength{\py@codewidth}{\linewidth}%
  \addtolength{\py@codewidth}{-\parindent}%
  %
  \par\indent%
  \begin{minipage}[t]{\py@codewidth}%
    \small%
    \py@OldVerbatim%
}
\renewcommand{\endverbatim}{%
    \py@OldEndVerbatim%
  \end{minipage}%
}


\newcommand{\py@modulebadkey}{{--just-some-junk--}}


%%  Lots of index-entry generation support.

% Command to wrap around stuff that refers to function / module /
% attribute names  in the index.  Default behavior: like \code{}.  To
% just keep the index entries in the roman font, uncomment the second
% definition; it matches O'Reilly style more.
%
\newcommand{\py@idxcode}[1]{\texttt{#1}}
%\renewcommand{\py@idxcode}[1]{#1}

% Command to generate two index entries (using subentries)
\newcommand{\indexii}[2]{\index{#1!#2}\index{#2!#1}}

% And three entries (using only one level of subentries)
\newcommand{\indexiii}[3]{\index{#1!#2 #3}\index{#2!#3, #1}\index{#3!#1 #2}}

% And four (again, using only one level of subentries)
\newcommand{\indexiv}[4]{
\index{#1!#2 #3 #4}
\index{#2!#3 #4, #1}
\index{#3!#4, #1 #2}
\index{#4!#1 #2 #3}
}

% Command to generate a reference to a function, statement, keyword,
% operator.
\newcommand{\kwindex}[1]{\indexii{keyword}{#1@{\py@idxcode{#1}}}}
\newcommand{\stindex}[1]{\indexii{statement}{#1@{\py@idxcode{#1}}}}
\newcommand{\opindex}[1]{\indexii{operator}{#1@{\py@idxcode{#1}}}}
\newcommand{\exindex}[1]{\indexii{exception}{#1@{\py@idxcode{#1}}}}
\newcommand{\obindex}[1]{\indexii{object}{#1}}
\newcommand{\bifuncindex}[1]{\withsubitem{(built-in function)}{\ttindex{#1()}}}

% Add an index entry for a module
\newcommand{\py@refmodule}[2]{\index{#1@{\py@idxcode{#1}} (#2module)}}
\newcommand{\refmodindex}[1]{\py@refmodule{#1}{}}
\newcommand{\refbimodindex}[1]{\py@refmodule{#1}{built-in }}
\newcommand{\refexmodindex}[1]{\py@refmodule{#1}{extension }}
\newcommand{\refstmodindex}[1]{\py@refmodule{#1}{standard }}

% Refer to a module's documentation using a hyperlink of the module's
% name, at least if we're building PDF:
\@ifundefined{pdfannotlink}{%
  \newcommand{\refmodule}[2][\py@modulebadkey]{\module{#2}}
}{%
  \newcommand{\refmodule}[2][\py@modulebadkey]{%
    \ifx\py@modulebadkey#1\def\py@modulekey{#2}\else\def\py@modulekey{#1}\fi%
    \py@linkToName{label-module-\py@modulekey}{\module{#2}}%
  }
}

% support for the module index
\newif\ifpy@UseModuleIndex
\py@UseModuleIndexfalse

\newcommand{\makemodindex}{
  \newwrite\modindexfile
  \openout\modindexfile=mod\jobname.idx
  \py@UseModuleIndextrue
}

% Add the defining entry for a module
\newcommand{\py@modindex}[2]{%
  \renewcommand{\py@thismodule}{#1}
  \setindexsubitem{(in module #1)}%
  \index{#1@{\py@idxcode{#1}} (#2module)|textbf}%
  \ifpy@UseModuleIndex%
    \@ifundefined{py@modplat@\py@thismodulekey}{
      \write\modindexfile{\protect\indexentry{#1@{\texttt{#1}}}{\thepage}}%
    }{\write\modindexfile{\protect\indexentry{#1@{\texttt{#1} %
        \emph{(\py@platformof[\py@thismodulekey]{})}}}{\thepage}}%
    }
  \fi%
}

% *** XXX *** THE NEXT FOUR MACROS ARE NOW OBSOLETE !!! ***

% built-in & Python modules in the main distribution
\newcommand{\bimodindex}[1]{\py@modindex{#1}{built-in }%
  \typeout{*** MACRO bimodindex IS OBSOLETE -- USE declaremodule INSTEAD!}}
\newcommand{\stmodindex}[1]{\py@modindex{#1}{standard }%
  \typeout{*** MACRO stmodindex IS OBSOLETE -- USE declaremodule INSTEAD!}}

% Python & extension modules outside the main distribution
\newcommand{\modindex}[1]{\py@modindex{#1}{}%
  \typeout{*** MACRO modindex IS OBSOLETE -- USE declaremodule INSTEAD!}}
\newcommand{\exmodindex}[1]{\py@modindex{#1}{extension }%
  \typeout{*** MACRO exmodindex IS OBSOLETE -- USE declaremodule INSTEAD!}}

% Additional string for an index entry
\newcommand{\index@subitem}{}
\newcommand{\setindexsubitem}[1]{\renewcommand{\index@subitem}{#1}}
\newcommand{\ttindex}[1]{\index{#1@{\py@idxcode{#1}} \index@subitem}}

\newcommand{\withsubitem}[2]{%
  \begingroup%
  \def\index@subitem{#1}#2%
  \endgroup%
}


% Module synopsis processing -----------------------------------------------
%
\newcommand{\py@thisclass}{}
\newcommand{\py@thismodule}{}
\newcommand{\py@thismodulekey}{}
\newcommand{\py@thismoduletype}{}

\newcommand{\py@standardIndexModule}[1]{\py@modindex{#1}{standard }}
\newcommand{\py@builtinIndexModule}[1]{\py@modindex{#1}{built-in }}
\newcommand{\py@extensionIndexModule}[1]{\py@modindex{#1}{extension }}
\newcommand{\py@IndexModule}[1]{\py@modindex{#1}{}}

\newif\ifpy@HaveModSynopsis       \py@HaveModSynopsisfalse
\newif\ifpy@ModSynopsisFileIsOpen \py@ModSynopsisFileIsOpenfalse
\newif\ifpy@HaveModPlatform       \py@HaveModPlatformfalse

% \declaremodule[key]{type}{name}
\newcommand{\declaremodule}[3][\py@modulebadkey]{
  \py@openModSynopsisFile
  \renewcommand{\py@thismoduletype}{#2}
  \ifx\py@modulebadkey#1
    \renewcommand{\py@thismodulekey}{#3}
  \else
    \renewcommand{\py@thismodulekey}{#1}
  \fi
  \csname py@#2IndexModule\endcsname{#3}
  \label{module-\py@thismodulekey}
}
\newif\ifpy@ModPlatformFileIsOpen \py@ModPlatformFileIsOpenfalse
\newcommand{\py@ModPlatformFilename}{\jobname.pla}
\newcommand{\platform}[1]{
  \ifpy@ModPlatformFileIsOpen\else
    \newwrite\py@ModPlatformFile
    \openout\py@ModPlatformFile=\py@ModPlatformFilename
    \py@ModPlatformFileIsOpentrue
  \fi
}
\InputIfFileExists{\jobname.pla}{}{}
\newcommand{\py@platformof}[2][\py@modulebadkey]{%
  \ifx\py@modulebadkey#1 \def\py@key{#2}%
  \else \def\py@key{#1}%
  \fi%
  \csname py@modplat@\py@key\endcsname%
}
\newcommand{\ignorePlatformAnnotation}[1]{}

% \moduleauthor{name}{email}
\newcommand{\moduleauthor}[2]{}

% \sectionauthor{name}{email}
\newcommand{\sectionauthor}[2]{}


\newcommand{\py@defsynopsis}{Module has no synopsis.}
\newcommand{\py@modulesynopsis}{\py@defsynopsis}
\newcommand{\modulesynopsis}[1]{
  \py@HaveModSynopsistrue
  \renewcommand{\py@modulesynopsis}{#1}
}

% define the file
\newwrite\py@ModSynopsisFile

% hacked from \addtocontents from latex.ltx:
\long\def\py@writeModSynopsisFile#1{%
  \protected@write\py@ModSynopsisFile%
      {\let\label\@gobble \let\index\@gobble \let\glossary\@gobble}%
      {\string#1}%
}
\newcommand{\py@closeModSynopsisFile}{
  \ifpy@ModSynopsisFileIsOpen
    \closeout\py@ModSynopsisFile
    \py@ModSynopsisFileIsOpenfalse
  \fi
}
\newcommand{\py@openModSynopsisFile}{
  \ifpy@ModSynopsisFileIsOpen\else
    \openout\py@ModSynopsisFile=\py@ModSynopsisFilename
    \py@ModSynopsisFileIsOpentrue
  \fi
}

\newcommand{\py@ProcessModSynopsis}{
  \ifpy@HaveModSynopsis
    \py@writeModSynopsisFile{\modulesynopsis%
      {\py@thismodulekey}{\py@thismodule}%
      {\py@thismoduletype}{\py@modulesynopsis}}%
    \py@HaveModSynopsisfalse
  \fi
  \renewcommand{\py@modulesynopsis}{\py@defsynopsis}
}
\AtEndDocument{\py@ProcessModSynopsis\py@closeModSynopsisFile}


\long\def\py@writeModPlatformFile#1{%
  \protected@write\py@ModPlatformFile%
    {\let\label\@gobble \let\index\@gobble \let\glossary\@gobble}%
    {\string#1}%
}


\newcommand{\localmoduletable}{
  \IfFileExists{\py@ModSynopsisFilename}{
    \begin{synopsistable}
      \input{\py@ModSynopsisFilename}
    \end{synopsistable}
  }{}
}

\@ifundefined{pdfoutput}{
  \newcommand{\py@ModSynopsisSummary}[4]{\bfcode{#2} & #4\\}
}{
  \newcommand{\py@ModSynopsisSummary}[4]{%
    \py@linkToName{label-module-#1}{\bfcode{#2}} & #4\\
  }
}
\newenvironment{synopsistable}{
  % key, name, type, synopsis
  \let\modulesynopsis=\py@ModSynopsisSummary
  \begin{tabular}{ll}
}{
  \end{tabular}
}
%
% --------------------------------------------------------------------------


\newcommand{\py@reset}{
  \py@ProcessModSynopsis
  \renewcommand{\py@thisclass}{}
  \renewcommand{\py@thismodule}{}
  \renewcommand{\py@thismodulekey}{}
  \renewcommand{\py@thismoduletype}{}
}

% Augment the sectioning commands used to get our own font family in place,
% and reset some internal data items:
\renewcommand{\section}{\py@reset%
                        \@startsection{section}{1}{\z@}%
                                    {-3.5ex \@plus -1ex \@minus -.2ex}%
                                    {2.3ex \@plus.2ex}%
                                    {\reset@font\Large\py@HeaderFamily}}
\renewcommand{\subsection}{\@startsection{subsection}{2}{\z@}%
                                    {-3.25ex\@plus -1ex \@minus -.2ex}%
                                    {1.5ex \@plus .2ex}%
                                    {\reset@font\large\py@HeaderFamily}}
\renewcommand{\subsubsection}{\@startsection{subsubsection}{3}{\z@}%
                                    {-3.25ex\@plus -1ex \@minus -.2ex}%
                                    {1.5ex \@plus .2ex}%
                                    {\reset@font\normalsize\py@HeaderFamily}}
\renewcommand{\paragraph}{\@startsection{paragraph}{4}{\z@}%
                                    {3.25ex \@plus1ex \@minus.2ex}%
                                    {-1em}%
                                    {\reset@font\normalsize\py@HeaderFamily}}
\renewcommand{\subparagraph}{\@startsection{subparagraph}{5}{\parindent}%
                                    {3.25ex \@plus1ex \@minus .2ex}%
                                    {-1em}%
                                    {\reset@font\normalsize\py@HeaderFamily}}


% This gets the underscores closer to the right width; the only change
% from standard LaTeX is the width specified.

\DeclareTextCommandDefault{\textunderscore}{%
  \leavevmode \kern.06em\vbox{\hrule\@width.55em}}

% Underscore hack (only act like subscript operator if in math mode)
%
% The following is due to Mark Wooding (the old version didn't work with
% Latex 2e.

\DeclareRobustCommand\hackscore{%
  \ifmmode_\else\textunderscore\fi%
}
\begingroup
\catcode`\_\active
\def\next{%
  \AtBeginDocument{\catcode`\_\active\def_{\hackscore{}}}%
}
\expandafter\endgroup\next


% Now for a lot of semantically-loaded environments that do a ton of magical
% things to get the right formatting and index entries for the stuff in
% Python modules and C API.


% {fulllineitems} is used in one place in libregex.tex, but is really for
% internal use in this file.
%
\newcommand{\py@itemnewline}[1]{%
  \@tempdima\linewidth%
  \advance\@tempdima \leftmargin\makebox[\@tempdima][l]{#1}%
}

\newenvironment{fulllineitems}{
  \begin{list}{}{\labelwidth \leftmargin \labelsep 0pt
                 \rightmargin 0pt \topsep -\parskip \partopsep \parskip
                 \itemsep -\parsep
                 \let\makelabel=\py@itemnewline}
}{\end{list}}

% \optional is mostly for use in the arguments parameters to the various
% {*desc} environments defined below, but may be used elsewhere.  Known to
% be used in the debugger chapter.
%
% Typical usage:
%
%     \begin{funcdesc}{myfunc}{reqparm\optional{, optparm}}
%                                    ^^^       ^^^
%                          No space here       No space here
%
% When a function has multiple optional parameters, \optional should be
% nested, not chained.  This is right:
%
%     \begin{funcdesc}{myfunc}{\optional{parm1\optional{, parm2}}}
%
\newcommand{\optional}[1]{%
  {\textnormal{\Large[}}{#1}\hspace{0.5mm}{\textnormal{\Large]}}}

% C functions ------------------------------------------------------------
% \begin{cfuncdesc}{type}{name}{arglist}
\newenvironment{cfuncdesc}[3]{
  \begin{fulllineitems}
    \item[\code{#1 \bfcode{#2}(\py@varvars{#3})}\index{#2@{\py@idxcode{#2()}}}]
}{\end{fulllineitems}}

% C variables ------------------------------------------------------------
% \begin{cvardesc}{type}{name}
\newenvironment{cvardesc}[2]{
  \begin{fulllineitems}
    \item[\code{#1 \bfcode{#2}}\index{#2@{\py@idxcode{#2}}}]
}{\end{fulllineitems}}

% C data types -----------------------------------------------------------
% \begin{ctypedesc}{typedef name}
\newenvironment{ctypedesc}[1]{
  \begin{fulllineitems}
    \item[\bfcode{#1}\ttindex{#1}]
}{\end{fulllineitems}}

% simple functions (not methods) -----------------------------------------
% \begin{funcdesc}{name}{args}
\newcommand{\funcline}[2]{\funclineni{#1}{#2}\ttindex{#1()}}
\newenvironment{funcdesc}[2]{
  \begin{fulllineitems}
    \funcline{#1}{#2}
}{\end{fulllineitems}}

% similar to {funcdesc}, but doesn't add to the index
\newcommand{\funclineni}[2]{\item[\code{\bfcode{#1}(\py@varvars{#2})}]}
\newenvironment{funcdescni}[2]{
  \begin{fulllineitems}
    \funclineni{#1}{#2}
}{\end{fulllineitems}}

% classes ----------------------------------------------------------------
% \begin{classdesc}{name}{constructor args}
\newenvironment{classdesc}[2]{
  % Using \renewcommand doesn't work for this, for unknown reasons:
  \global\def\py@thisclass{#1}
  \begin{fulllineitems}
    \item[\code{\bfcode{#1}(\py@varvars{#2})}%
      \withsubitem{(class in \py@thismodule)}{\ttindex{#1}}]
}{\end{fulllineitems}}


\let\py@classbadkey=\@undefined

% object method ----------------------------------------------------------
% \begin{methoddesc}[classname]{methodname}{args}
\newcommand{\methodline}[3][\py@classbadkey]{
  \methodlineni{#2}{#3}
  \ifx#1\@undefined
    \withsubitem{(\py@thisclass\ method)}{\ttindex{#2()}}
  \else
    \withsubitem{(#1 method)}{\ttindex{#2()}}
  \fi
}
\newenvironment{methoddesc}[3][\py@classbadkey]{
  \begin{fulllineitems}
    \ifx#1\@undefined
      \methodline{#2}{#3}
    \else
      \def\py@thisclass{#1}
      \methodline[#1]{#2}{#3}
    \fi
}{\end{fulllineitems}}

% similar to {methoddesc}, but doesn't add to the index
% (never actually uses the optional argument)
\newcommand{\methodlineni}[3][\py@classbadkey]{%
  \item[\code{\bfcode{#2}(\py@varvars{#3})}]}
\newenvironment{methoddescni}[3][\py@classbadkey]{
  \begin{fulllineitems}
    \methodlineni{#2}{#3}
}{\end{fulllineitems}}

% object data attribute --------------------------------------------------
% \begin{memberdesc}[classname]{membername}
\newcommand{\memberline}[2][\py@classbadkey]{%
  \ifx#1\@undefined
    \memberlineni{#2}
    \withsubitem{(\py@thisclass\ attribute)}{\ttindex{#2}}
  \else
    \memberlineni{#2}
    \withsubitem{(#1 attribute)}{\ttindex{#2}}
  \fi
}
\newenvironment{memberdesc}[2][\py@classbadkey]{
  \begin{fulllineitems}
    \ifx#1\@undefined
      \memberline{#2}
    \else
      \def\py@thisclass{#1}
      \memberline[#1]{#2}
    \fi
}{\end{fulllineitems}}

% similar to {memberdesc}, but doesn't add to the index
% (never actually uses the optional argument)
\newcommand{\memberlineni}[2][\py@classbadkey]{\item[\bfcode{#2}]}
\newenvironment{memberdescni}[2][\py@classbadkey]{
  \begin{fulllineitems}
    \memberlineni{#2}
}{\end{fulllineitems}}

% For exceptions: --------------------------------------------------------
% \begin{excdesc}{name}
%  -- need support for constructor; maybe use optional parameter?
\newenvironment{excdesc}[1]{
  \begin{fulllineitems}
    \item[\bfcode{#1}\ttindex{#1}]
}{\end{fulllineitems}}

% Module data or constants: ----------------------------------------------
% \begin{datadesc}{name}
\newcommand{\dataline}[1]{\datalineni{#1}\ttindex{#1}}
\newenvironment{datadesc}[1]{
  \begin{fulllineitems}
    \dataline{#1}
}{\end{fulllineitems}}

% similar to {datadesc}, but doesn't add to the index
\newcommand{\datalineni}[1]{\item[\bfcode{#1}]\nopagebreak}
\newenvironment{datadescni}[1]{
  \begin{fulllineitems}
    \datalineni{#1}
}{\end{fulllineitems}}

% bytecode instruction ---------------------------------------------------
% \begin{opcodedesc}{name}{var}
% -- {var} may be {}
\newenvironment{opcodedesc}[2]{
  \begin{fulllineitems}
    \item[\bfcode{#1}\quad\var{#2}]
}{\end{fulllineitems}}


\newcommand{\nodename}[1]{\label{#1}}

% For these commands, use \command{} to get the typography right, not 
% {\command}.  This works better with the texinfo translation.
\newcommand{\ABC}{{\sc abc}}
\newcommand{\UNIX}{{\sc Unix}}
\newcommand{\POSIX}{POSIX}
\newcommand{\ASCII}{{\sc ascii}}
\newcommand{\Cpp}{C\protect\raisebox{.18ex}{++}}
\newcommand{\C}{C}
\newcommand{\EOF}{{\sc eof}}
\newcommand{\NULL}{\constant{NULL}}

% Also for consistency: spell Python "Python", not "python"!

% code is the most difficult one...
\newcommand{\code}[1]{{\@vobeyspaces\@noligs\def\{{\char`\{}\def\}{\char`\}}\def\~{\char`\~}\def\^{\char`\^}\def\e{\char`\\}\def\${\char`\$}\def\#{\char`\#}\def\&{\char`\&}\def\%{\char`\%}%
\texttt{#1}}}

\newcommand{\bfcode}[1]{\code{\bfseries#1}} % bold-faced code font
\newcommand{\kbd}[1]{\code{#1}}
\newcommand{\samp}[1]{`\code{#1}'}
% This weird definition of \var{} allows it to always appear in roman
% italics, and won't get funky in code fragments when we play around
% with fonts.  This also works directly in math mode.
\newcommand{\var}[1]{%
  \ifmmode%
    \hbox{\normalsize\textrm{\textit{#1\/}}}%
  \else%
    \normalsize\textrm{\textit{#1\/}}%
  \fi%
}
\renewcommand{\emph}[1]{{\em #1}}
\newcommand{\dfn}[1]{\emph{#1}}
\newcommand{\strong}[1]{{\bf #1}}
% let's experiment with a new font:
\newcommand{\file}[1]{`{\small\textsf{#1}}'}

% Use this def/redef approach for \url{} since hyperref defined this already,
% but only if we actually used hyperref:
\@ifundefined{pdfannotlink}{
  \newcommand{\py@url}[1]{\mbox{\small\textsf{#1}}}
}{
  \newcommand{\py@url}[1]{{%
    \pdfannotlink attr{/Border [0 0 0]} user{/S /URI /URI (#1)}%
    \py@LinkColor%				color of the link text
    \mbox{\small\textsf{#1}}%
    \py@NormalColor%			Turn it back off; these are declarative
    \pdfendlink}%			and don't appear bound to the current
  }%					formatting "box".
}
\let\url=\py@url
\newcommand{\email}[1]{{\small\textsf{#1}}}
\newcommand{\newsgroup}[1]{{\small\textsf{#1}}}

\newcommand{\py@varvars}[1]{{\def\,{\/{\char`\,}}\var{#1}}}
% let's see if this breaks anything now; we may be able to simplify...
\renewcommand{\py@varvars}[1]{\var{#1}}

% I'd really like to get rid of this!
\newif\iftexi\texifalse

% This is used to get l2h to put the copyright and abstract on
% a separate HTML page.
\newif\ifhtml\htmlfalse


% These should be used for all references to identifiers which are
% used to refer to instances of specific language constructs.  See the
% names for specific semantic assignments.
%
% For now, don't do anything really fancy with them; just use them as
% logical markup.  This might change in the future.
%
\newcommand{\module}[1]{\texttt{#1}}
\newcommand{\keyword}[1]{\texttt{#1}}
\newcommand{\exception}[1]{\texttt{#1}}
\newcommand{\class}[1]{\texttt{#1}}
\newcommand{\function}[1]{\texttt{#1}}
\newcommand{\member}[1]{\texttt{#1}}
\newcommand{\method}[1]{\texttt{#1}}

\newcommand{\pytype}[1]{#1}		% built-in Python type

\newcommand{\cfunction}[1]{\texttt{#1}}
\newcommand{\ctype}[1]{\texttt{#1}}	% C struct or typedef name
\newcommand{\cdata}[1]{\texttt{#1}}	% C variable, typically global

\newcommand{\mimetype}[1]{{\small\textsf{#1}}}
% The \! is a "negative thin space" in math mode.
\newcommand{\regexp}[1]{%
  {\tiny$^{^\lceil}\!\!$%
   {\normalsize\code{#1}}%
   $\!\rfloor\!$%
  }}
\newcommand{\envvar}[1]{%
  \$#1%                                 $ <-- bow to font-lock 3 times!
  \index{#1@{\$#1}}%                    $
  \index{environment variables!{\$#1}}% $
}
\newcommand{\makevar}[1]{#1}		% variable in a Makefile
\newcommand{\character}[1]{\samp{#1}}

% constants defined in Python modules or C headers, not language constants:
\newcommand{\constant}[1]{\code{#1}}	% manifest constant, not syntactic

\newcommand{\manpage}[2]{{\emph{#1}(#2)}}
\newcommand{\rfc}[1]{RFC #1\index{RFC!RFC #1}}
\newcommand{\program}[1]{\strong{#1}}


% Deprecation stuff.
% Should be extended to allow an index / list of deprecated stuff.  But
% there's a lot of stuff that needs to be done to make that automatable.
%
% First parameter is the release number that deprecates the feature, the
% second is the action the should be taken by users of the feature.
%
% Example:
%  \deprecated{1.5.1}{Use \method{frobnicate()} instead.}
%
\newcommand{\deprecated}[2]{%
  \strong{Deprecated since release #1.}  #2\par}

% New stuff.
% This should be used to mark things which have been added to the
% development tree but that aren't in the release, but are documented.
% This allows release of documentation that already includes updated
% descriptions.  Place at end of descriptor environment.
%
% Example:
%  \versionadded{1.5.2}
%
\newcommand{\versionadded}[1]{%
  {  New in version #1.  }}
\newcommand{\versionchanged}[1]{%
  {  Changed in version #1.  }}


% Tables.
%
\newenvironment{tableii}[4]{%
  \begin{center}%
    \def\lineii##1##2{\csname#2\endcsname{##1}&##2\\}%
    \begin{tabular}{#1}\strong{#3}&\strong{#4} \\ \hline%
}{%
    \end{tabular}%
  \end{center}%
}

\newenvironment{tableiii}[5]{%
  \begin{center}%
    \def\lineiii##1##2##3{\csname#2\endcsname{##1}&##2&##3\\}%
    \begin{tabular}{#1}\strong{#3}&\strong{#4}&\strong{#5} \\ \hline%
}{%
    \end{tabular}%
  \end{center}%
}

\newenvironment{tableiv}[6]{%
  \begin{center}%
    \def\lineiv##1##2##3##4{\csname#2\endcsname{##1}&##2&##3&##4\\}%
    \begin{tabular}{#1}\strong{#3}&\strong{#4}&\strong{#5}&\strong{#6} \\%
      \hline%
}{%
    \end{tabular}%
  \end{center}%
}

% Cross-referencing (AMK, new impl. FLD)
% Sample usage:
%  \begin{seealso}
%    \seemodule{rand}{Uniform random number generator}; % Module xref
%    \seetext{\emph{Encyclopedia Britannica}}.          % Ref to a book
% 
%    % A funky case: module name contains '_'; have to supply an optional key
%    \seemodule[copyreg]{copy_reg}{pickle interface constructor registration}
%
%  \end{seealso}

\@ifundefined{pdfannotlink}{%
  \newcommand{\py@seemodule}[3][\py@modulebadkey]{%
    \par%
    \ifx\py@modulebadkey#1\def\py@modulekey{#2}\else\def\py@modulekey{#1}\fi%
    \ref{module-\py@modulekey}:\quad %
    Module \module{#2}%
    \quad (#3)%
  }
}{\newcommand{\py@seemodule}[3][\py@modulebadkey]{%
    \par%
    \ifx\py@modulebadkey#1\def\py@modulekey{#2}\else\def\py@modulekey{#1}\fi%
    \ref{module-\py@modulekey}:\quad %
    \py@linkToName{label-module-\py@modulekey}{ Module \module{#2} }
    \quad (#3)%
  }
}
\newenvironment{seealso}[0]{
  \par
  \strong{See Also:}\par
  \def\seetext##1{\par{##1}}
  \let\seemodule=\py@seemodule
}{\par}


% Allow the Python release number to be specified independently of the
% \date{}.  This allows the date to reflect the document's date and
% release to specify the Python release that is documented.
%
\newcommand{\py@release}{}
\newcommand{\version}{}
\newcommand{\releasename}{Release}
\newcommand{\release}[1]{%
  \renewcommand{\py@release}{\releasename\space\version}%
  \renewcommand{\version}{#1}}

% Allow specification of the author's address separately from the
% author's name.  This can be used to format them differently, which
% is a good thing.
%
\newcommand{\py@authoraddress}{}
\newcommand{\authoraddress}[1]{\renewcommand{\py@authoraddress}{#1}}
\let\developersaddress=\authoraddress
\let\developer=\author
\let\developers=\author

% This sets up the fancy chapter headings that make the documents look
% at least a little better than the usual LaTeX output.
%
\@ifundefined{ChTitleVar}{}{
  \ChNameVar{\raggedleft\normalsize\py@HeaderFamily}
  \ChNumVar{\raggedleft \bfseries\Large\py@HeaderFamily}
  \ChTitleVar{\raggedleft \rm\Huge\py@HeaderFamily}
  % This creates chapter heads without the leading \vspace*{}:
  \def\@makechapterhead#1{%
    {\parindent \z@ \raggedright \normalfont
      \ifnum \c@secnumdepth >\m@ne
        \DOCH
      \fi
      \interlinepenalty\@M
      \DOTI{#1}
    }
  }
}


% Definition lists; requested by AMK for HOWTO documents.  Probably useful
% elsewhere as well, so keep in in the general style support.
%
\newenvironment{definitions}{%
  \begin{description}%
  \def\term##1{\item[##1]\mbox{}\\*[0mm]}
}{%
  \end{description}%
}

% Tell TeX about pathological hyphenation cases:
\hyphenation{Base-HTTP-Re-quest-Hand-ler}