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Data is read as bytes: boundaries and line ends must be converted to bytes for comparisons. rrSTrNrrc r2s  F) rrr@rrr\r startswithrstripendswithr) rp next_boundary last_boundarydelimlast_line_lfend_readrg strippedlineZodelimrrrrsN $        z(FieldStorage.read_lines_to_outerboundarycCs|jr |jrdSd|j}|d}d}|jd}|jt|7_|sPd|_q|dr|r|}||krpq||krd|_q|d}q&dS)z5Internal: skip lines until outer boundary if defined.NrTrrcr2r)rrr@rrr\rr])rprrrrgrrrrrs$   zFieldStorage.skip_linescCs&|jrtdStjd|jddSdS)aOverridable: return a readable & writable file. The file will be used as follows: - data is written to it - seek(0) - data is read from it The file is opened in binary mode for files, in text mode for other fields This version opens a temporary file for reading and writing, and immediately deletes (unlinks) it. The trick (on Unix!) is that the file can still be used, but it can't be opened by another process, and it will automatically be deleted when it is closed or when the current process terminates. If you want a more permanent file, you derive a class which overrides this method. If you want a visible temporary file that is nevertheless automatically deleted when the script terminates, try defining a __del__ method in a derived class which unlinks the temporary files you have created. zwb+zw+r!)r(newlineN)rtempfile TemporaryFiler(rrrrrr(s  zFieldStorage.make_file)N)N)!rtrurvrwosrArqrrrrsrrrrrrMrrrrrrrrrrrrrrrrrrrrr sB) &   E   2r cCstdttjt_zNt}ttt|t|t dd}|fdd}td|Wnt Yn0tdda z&t}ttt|t|Wnt Yn0d S) zRobust test CGI script, usable as main program. Write minimal HTTP headers and dump all information provided to the script in HTML form. zContent-type: text/htmlcSs tddS)Nz,testing print_exception() -- italics?)execrrrrr`[sztest..fcSs |dSrr)r`rrrg]sztest..gz9

What follows is a test, not an actual exception:

z*

Second try with a small maxlen...

2N) printr3stdoutstderrr rrrrrrr9)rAformr`rrrrr Js4    r c Csx|durt\}}}ddl}ttd||||||}tdtd|ddt|df~dS)Nrz+

Traceback (most recent call last):

z
%s%s
rrc) r3exc_info tracebackr format_tbformat_exception_onlyhtmlescapejoin)rzrmtbrrryrrrrqs   rc Cs\t|}ttdtd|D]"}tdt|dt||q&tdtdS)z#Dump the shell environment as HTML.z

Shell Environment:





N)sortedrrrr)rArrirrrrs  rcCst|}ttd|s&tdtd|D]Z}tdt|ddd||}tdttt|d td tt|q2td td S) z$Dump the contents of a form as HTML.z

Form Contents:

z

No form fields.rr: )r_zzrrN)rrrrrreprrz)rrrirmrrrrs rc Cslttdz t}Wn8tyR}z tdtt|WYd}~nd}~00tt|tdS)z#Dump the current directory as HTML.z#

Current Working Directory:

zOSError:N)rrgetcwdrrrstr)pwdmsgrrrrs *rcCs(ttdtttjtdS)Nz

Command Line Arguments:

)rr3r=rrrrrs  rcCs tddS)z9Dump a list of environment variables used by CGI as HTML.a

These environment variables could have been set:

  • AUTH_TYPE
  • CONTENT_LENGTH
  • CONTENT_TYPE
  • DATE_GMT
  • DATE_LOCAL
  • DOCUMENT_NAME
  • DOCUMENT_ROOT
  • DOCUMENT_URI
  • GATEWAY_INTERFACE
  • LAST_MODIFIED
  • PATH
  • PATH_INFO
  • PATH_TRANSLATED
  • QUERY_STRING
  • REMOTE_ADDR
  • REMOTE_HOST
  • REMOTE_IDENT
  • REMOTE_USER
  • REQUEST_METHOD
  • SCRIPT_NAME
  • SERVER_NAME
  • SERVER_PORT
  • SERVER_PROTOCOL
  • SERVER_ROOT
  • SERVER_SOFTWARE
In addition, HTTP headers sent by the server may be passed in the environment as well. Here are some common variable names:
  • HTTP_ACCEPT
  • HTTP_CONNECTION
  • HTTP_HOST
  • HTTP_PRAGMA
  • HTTP_REFERER
  • HTTP_USER_AGENT
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