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HTTP tools based on Dyalog APL's core communication library, Conga

Home Page: http://docs.dyalog.com/latest/Conga%20User%20Guide.pdf

License: MIT License

APL 100.00%

dyalog-apl conga library-conga apl dyalog library http web ftp ftp-client

library-conga's Introduction

library-conga

This repository contains files which provide frequently used tools, based on the core communication library for Dyalog APL, known as "Conga".

Installations of Dyalog APL from version 16.0 (June 2017) will contain the files found in the root of the library-conga repository in the folder Library/Conga below the main Dyalog folder.

Documentation

The Documentation folder (not installed with Dyalog APL but available on GitHub) contains documentation for the individual files.

Tests

Tests are based on the v16.0 ]dtest user command. Each subfolder below the Tests contains a set of unit tests, which can be run using for example:

]dtest library-conga/Tests/FTPClient/unit

`HttpCommand` has moved

HttpCommand has been moved to its own repository. Versions of Dyalog APL from 19.0 will include HttpCommand from this new repository. Documentation for HttpCommand can now be found here.

If you are using a pre-19.0 version of Dyalog and want to upgrade HttpCommand, please see here.

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bombardier-c-kram

library-conga's Issues

This command does not finish: nh←HttpCommand.Get 'http://www.kela.fi/web/en/statistics-by-topic_statistics-on-child-day-care-subsidies'

Reproduced in DSS 2021-01-18 18.0.39845.0, 64-bit 18.0 Unicode_DV_64.exe 02c20cd8
conga dll 3.3.1542

HttpCommand.Version
⍝⍝⍝HttpCommand 3.1.1 2021-02-04

nh←HttpCommand.Get 'http://www.kela.fi/web/en/statistics-by-topic_statistics-on-child-day-care-subsidies'

does not return/terminate

Command execution failed

]load library-conga\httpcommand

Command Execution Failed: cannot find the file
"/Users/jenkins/workspace/Dyalog_18.0_OSX_Nightly/SALT/spice/SaltInSpice.dyalo-
g"

HttpCommand listener

Allow HttpCommand to maintain a "listening" loop for streamed data (e.g. Twitter feed)

HttpCommand.Get does not work in runtimes if not in Dyalog directory

this is because it needs ws/conga.dws in the current directory where the .exe is

Create a WS with this ⎕LX function lx:

'f'⎕WC'form'
:Trap 0
r←HttpCommand.Get'www.dyalog.com'
'f.e'⎕WC'edit'('text'r.Data)
:Else
'f'⎕WS'bcol' 200 0 0

:EndTrap
⎕DQ'.'

⎕OFF

make a new directory.

copy dyalogrt.exe to it

nothing shows in the edit field until you make a ws subdirectory with conga.dws in it.

Development versions work because they have access to development registry and environment values.

Persistent Connection

Allow for using a persistent connection
Maybe something like
c←⎕NEW HttpCommand
c.Persist←1

HttpCommand is now in Dyalog/HttpCommand: remove from here having added tag so earlier installation images continue to use this HttpCommand

See mantis 20038.

Need to add a tag ("Pre-19.0") and then point all versions before 19.0 to this tag).
- need to alter all pre-19.0 svn externals to use this tag
Need to remove all HttpComand-related files from this repo, and update README.md

HttpCommand - Cookies on redirect

Cookies should be forwarded (if applicable) on a redirection

Code cannot NOT produce warnings

Have a look at:

library-conga/HttpUtils.dyalog

Lines 293 to 297 in 3113aea

 :If 1=|≡args 

 (h b)←U.(CRLF,CRLF)U.splitFirst args 

 CongaHttpHeader h 

 CongaHttpBody b 

 _Type←''

CongaHttpHeader wants Type to be ''.

library-conga/HttpUtils.dyalog

Lines 145 to 150 in 3113aea

  ∇ {r}←CongaHttpHeader hdr;line;header;chunked;contentLength 

 ⍝ add the data from Conga's HTTPHeader event 

 :Access public 

 :If _Type≢'' 

 ⎕←'Message type expected to be "", but is actually "',(_Type),'"' 

 :EndIf

But on the next line CongaHttpBody wants Type not to be 'Conga'.

library-conga/HttpUtils.dyalog

Lines 172 to 177 in 3113aea

  ∇ {r}←CongaHttpBody bod 

 ⍝ add the data from Conga's HTTPBody event 

 :Access public 

 :If _Type≢'Conga' 

 ⎕←'Message type expected to be "Conga", but is actually "',(_Type),'"' 

 :EndIf

How can that be?

     HttpCommand.Version
┌───────────┬──────┬──────────┐
│HttpCommand│2.3.05│2020-04-10│
└───────────┴──────┴──────────┘
      hc←⎕NEW HttpCommand
      hc.Headers←('Authorization' 'token blahblah')('Accept' 'application/vnd.github.v3.raw ')
      hc.URL←'https://api.github.com/repos/Dyalog/library-conga/releases'
      res←hc.Run
LENGTH ERROR: Invalid left argument
firstCaps[0] firstCaps←{1↓{(¯1↓0,'-'=⍵)(819⌶)¨⍵}'-',⍵} ⍝ capitalize first letters e.g. Content-Encoding
                                            ∧

FormData in GET?

Isn't FormData always empty when processing a GET?

library-conga/HttpUtils.dyalog

Lines 335 to 339 in 3113aea

 args←QueryData 

 :If 'GET'≡U.uc Command ⍝ GET method - all data is passed in querystring 

 args⍪←FormData 

 :EndIf 

 params←(0∊⍴args)↓'?',U.UrlEncode args

HttpCommand.Get 'http://www.thl.fi' does not get any text in the HttpMessage

Reproduced in DSS 2021-01-18 18.0.39845.0, 64-bit 18.0 Unicode_DV_64.exe 02c20cd8
conga dll 3.3.1542

HttpCommand.Version
HttpCommand 3.1.1 2021-02-04

nh←HttpCommand.Get 'http://www.thl.fi'
nh.(HttpStatus HttpMessage)
200

	:If 1=\|≡args
	(h b)←U.(CRLF,CRLF)U.splitFirst args
	CongaHttpHeader h
	CongaHttpBody b
	_Type←''

	∇ {r}←CongaHttpHeader hdr;line;header;chunked;contentLength
	⍝ add the data from Conga's HTTPHeader event
	:Access public
	:If _Type≢''
	⎕←'Message type expected to be "", but is actually "',(_Type),'"'
	:EndIf

	∇ {r}←CongaHttpBody bod
	⍝ add the data from Conga's HTTPBody event
	:Access public
	:If _Type≢'Conga'
	⎕←'Message type expected to be "Conga", but is actually "',(_Type),'"'
	:EndIf

	args←QueryData
	:If 'GET'≡U.uc Command ⍝ GET method - all data is passed in querystring
	args⍪←FormData
	:EndIf
	params←(0∊⍴args)↓'?',U.UrlEncode args

dyalog / library-conga Goto Github PK

library-conga's Introduction

library-conga

Documentation

Tests

HttpCommand has moved

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library-conga's Issues

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`HttpCommand` has moved