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(declare (unit configfmod))
(declare (uses mtargs))
(declare (uses debugprint))
(declare (uses keysmod))
(module configfmod
*
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(declare (unit configfmod))
(declare (uses mtargs))
(declare (uses debugprint))
(declare (uses keysmod))
(module configfmod
(
common:get-fields
common:nice-path
common:read-link-f
common:with-env-vars
configf:config->ini
configf:alist->config
configf:assoc-safe-add
configf:config->alist
configf:find-and-read-config
configf:get-section
configf:get-sections
configf:lookup
configf:lookup-number
configf:map-all-hier-alist
configf:read-alist
configf:read-config
configf:read-refdb
configf:section-var-set!
configf:section-vars
configf:set-section-var
configf:var-is?
configf:write-alist
configf:write-config
find-config
getenv
mytarget
nice-path
process:cmd-run->list
runconfig:read
runconfigs-get
safe-setenv
setenv
configf:eval-string-in-environment
)
(import scheme
big-chicken ;; more of a reminder than anything ...
chicken.base
chicken.condition
chicken.file
chicken.io
chicken.pathname
chicken.port
chicken.pretty-print
chicken.process
chicken.process-context
chicken.process-context.posix
chicken.sort
chicken.string
chicken.time
chicken.eval
debugprint
(prefix mtargs args:)
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srfi-69
stack
typed-records
z3
)
(define *configdat* #f)
(let ((match (assoc var sectdat)))
(if match ;; (and match (list? match)(> (length match) 1))
(cadr match)
#f))
))
#f))
(define (configf:assoc-safe-add alist key val #!key (metadata #f))
(let ((newalist (filter (lambda (x)(not (equal? key (car x)))) alist)))
(append newalist (list (if metadata
(list key val metadata)
(list key val))))))
(define (configf:section-var-set! cfgdat section-name var value #!key (metadata #f))
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srfi-69
stack
typed-records
z3
)
(define getenv get-environment-variable)
(define setenv set-environment-variable!)
(define unsetenv unset-environment-variable!)
;;======================================================================
;; parameters
;;======================================================================
;; while targets are Megatest specific they are a useful concept
(define mytarget (make-parameter #f))
;;======================================================================
;; move debug stuff to separate module then put these back where they belong
;;======================================================================
;;======================================================================
;; lookup routines - replicated from configf
;;======================================================================
(define (configf:lookup cfgdat section var)
(if (hash-table? cfgdat)
(let ((sectdat (hash-table-ref/default cfgdat section '())))
(if (null? sectdat)
#f
(let ((res (assoc var sectdat)))
(if res ;; (and match (list? match)(> (length match) 1))
(cadr res)
#f))
))
#f))
(define (configf:get-sections cfgdat)
(filter string? (hash-table-keys cfgdat)))
(define (configf:assoc-safe-add alist key val #!key (metadata #f))
(let ((newalist (filter (lambda (x)(not (equal? key (car x)))) alist)))
(append newalist (list (if metadata
(list key val metadata)
(list key val))))))
(define (configf:section-var-set! cfgdat section-name var value #!key (metadata #f))
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(rxstr (if (string-contains section-name "%")
(string-substitute (regexp "%") ".*" section-name)
(string-substitute (regexp "^/(.*)/$") "\\1" section-name)))
(rx (regexp rxstr)))
;; (print "\nsection-name: " section-name " rxstr: " rxstr)
(for-each
(lambda (section)
(if section
(let ((same-section (string=? section-name section))
(rx-match (string-match rx section)))
;; (print "section: " section " vars: " vars " same-section: " same-section " rx-match: " rx-match)
(if (and (not same-section) rx-match)
(for-each
(lambda (bundle)
;; (print "bundle: " bundle)
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(rxstr (if (string-contains section-name "%")
(string-substitute (regexp "%") ".*" section-name)
(string-substitute (regexp "^/(.*)/$") "\\1" section-name)))
(rx (regexp rxstr)))
;; (print "\nsection-name: " section-name " rxstr: " rxstr)
(for-each
(lambda (section)
(if (string? section)
(let ((same-section (string=? section-name section))
(rx-match (string-match rx section)))
;; (print "section: " section " vars: " vars " same-section: " same-section " rx-match: " rx-match)
(if (and (not same-section) rx-match)
(for-each
(lambda (bundle)
;; (print "bundle: " bundle)
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;; 'return-string -- return a string representing a proc taking ht as an argument that may be evaulated at some future time
;; envion-patt is a regex spec that identifies sections that will be eval'd
;; in the environment on the fly
;; sections: #f => get all, else list of sections to gather
;; post-section-procs alist of section-pattern => proc, where: (proc section-name next-section-name ht curr-path)
;; apply-wildcards: #t/#f - apply vars from targets with % wildcards to all matching sections
;;
(define (configf:read-config path ht allow-system #!key (environ-patt #f) (curr-section #f)
(sections #f) (settings (make-hash-table)) (keep-filenames #f)
(post-section-procs '()) (apply-wildcards #t) (env-to-use #f))
(debug:print 9 *default-log-port* "START: " path)
;; (if *configdat*
;; (common:save-pkt `((action . read-config)
;; (f . ,(cond ((string? path) path)
;; ((port? path) "port")
;; (else (conc path))))
;; (T . configf))
;; *configdat* #t add-only: #t))
(if (and (not (port? path))
(not (file-exists? path))) ;; for case where we are handed a port
(begin
(debug:print-info 1 *default-log-port* "configf:read-config - file not found " path " current path: " (current-directory))
;; WARNING: This is a risky change but really, we should not return an empty hash table if no file read?
#f) ;; (if (not ht)(make-hash-table) ht))
(let (;; (env-to-use (if env-to-use env-to-use (module-environment 'configfmod)))
(inp (if (string? path)
(open-input-file path)
path)) ;; we can be handed a port
(res (if (not ht)(make-hash-table) ht))
(metapath (if (or (debug:debug-mode 9)
keep-filenames)
path #f))
(process-wildcards (lambda (res curr-section-name)
(if (and apply-wildcards
(or (string-contains curr-section-name "%") ;; wildcard
(string-match "/.*/" curr-section-name))) ;; regex
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;; 'return-string -- return a string representing a proc taking ht as an argument that may be evaulated at some future time
;; envion-patt is a regex spec that identifies sections that will be eval'd
;; in the environment on the fly
;; sections: #f => get all, else list of sections to gather
;; post-section-procs alist of section-pattern => proc, where: (proc section-name next-section-name ht curr-path)
;; apply-wildcards: #t/#f - apply vars from targets with % wildcards to all matching sections
;;
(define (configf:read-config path ht allow-system
#!key (environ-patt #f) (curr-section #f)
(sections #f) (settings (make-hash-table))
(keep-filenames #f) (post-section-procs '())
(apply-wildcards #t) (env-to-use #f))
(debug:print 9 *default-log-port* "START: " path)
;; (if *configdat*
;; (common:save-pkt `((action . read-config)
;; (f . ,(cond ((string? path) path)
;; ((port? path) "port")
;; (else (conc path))))
;; (T . configf))
;; *configdat* #t add-only: #t))
(if (and (not (port? path))
(not (file-exists? path))) ;; for case where we are handed a port
(begin
(debug:print-info 1 *default-log-port* "configf:read-config - file not found " path " current path: " (current-directory))
;; WARNING: This is a risky change but really, we should not return an empty hash table if no file read?
#f) ;; (if (not ht)(make-hash-table) ht))
(let (;; (env-to-use (if env-to-use env-to-use (module-environment 'configfmod)))
(inp (if (string? path)
(open-input-file path)
path)) ;; we can be handed a port
(res (let ((ht-in (if (not ht)
(make-hash-table)
ht)))
(if (not (configf:lookup ht-in "" "toppath"))
(configf:set-section-var ht-in "" "toppath" path))
ht-in))
(metapath (if (or (debug:debug-mode 9)
keep-filenames)
path #f))
(process-wildcards (lambda (res curr-section-name)
(if (and apply-wildcards
(or (string-contains curr-section-name "%") ;; wildcard
(string-match "/.*/" curr-section-name))) ;; regex
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delta-env-alist))))
(let ((rv (thunk)))
(for-each (lambda (x) (x)) restore-thunks) ;; restore env to original state
rv)))
;; return a nice clean pathname made absolute
(define (common:nice-path dir)
(let ((match (string-match "^(~[^\\/]*)(\\/.*|)$" dir)))
(if match ;; using ~ for home?
(common:nice-path (conc (common:read-link-f (cadr match)) "/" (caddr match)))
(normalize-pathname (if (absolute-pathname? dir)
dir
(conc (current-directory) "/" dir))))))
;; make "nice-path" available in config files and the repl
(define nice-path common:nice-path)
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delta-env-alist))))
(let ((rv (thunk)))
(for-each (lambda (x) (x)) restore-thunks) ;; restore env to original state
rv)))
;; return a nice clean pathname made absolute
(define (common:nice-path dir)
(let ((res (string-match "^(~[^\\/]*)(\\/.*|)$" dir)))
(if res ;; using ~ for home?
(common:nice-path (conc (common:read-link-f (cadr res)) "/" (caddr res)))
(normalize-pathname (if (absolute-pathname? dir)
dir
(conc (current-directory) "/" dir))))))
;; make "nice-path" available in config files and the repl
(define nice-path common:nice-path)
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(tal (cdr fdat))
(cur "")
(led #f)
(res '()))
;; ALL WHITESPACE LEADING LINES ARE TACKED ON!!
;; 1. remove led whitespace
;; 2. tack on to hed with "\n"
(let ((match (string-match configf:cont-ln-rx hed)))
(if match ;; blast! have to deal with a multiline
(let* ((lead (cadr match))
(lval (caddr match))
(newl (conc cur "\n" lval)))
(if (not led)(set! led lead))
(if (null? tal)
(set! fdat (append fdat (list newl)))
(loop (car tal)(cdr tal) newl led res))) ;; NB// not tacking newl onto res
(let ((newres (if led
(append res (list cur hed))
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(cur "")
(led #f)
(res '()))
;; ALL WHITESPACE LEADING LINES ARE TACKED ON!!
;; 1. remove led whitespace
;; 2. tack on to hed with "\n"
(let ((res (string-match configf:cont-ln-rx hed)))
(if res ;; blast! have to deal with a multiline
(let* ((lead (cadr res))
(lval (caddr res))
(newl (conc cur "\n" lval)))
(if (not led)(set! led lead))
(if (null? tal)
(set! fdat (append fdat (list newl)))
(loop (car tal)(cdr tal) newl led res))) ;; NB// not tacking newl onto res
(let ((newres (if led
(append res (list cur hed))
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;; convert hierarchial list to ini format
;;
(define (configf:config->ini data)
(map
(lambda (section)
(let ((section-name (car section))
(section-dat (cdr section)))
(print "\n[" section-name "]")
(map (lambda (dat-pair)
(let* ((var (car dat-pair))
(val (cadr dat-pair))
(fname (if (> (length dat-pair) 2)(caddr dat-pair) #f)))
(if fname (print "# " var "=>" fname))
(print var " " val)))
section-dat))) ;; (print "section-dat: " section-dat))
(define configf:std-imports "") ;;(import configfmod commonmod)")
(define (configf:process-line l ht allow-system env-to-use #!key (linenum #f))
(let loop ((res l))
(if (string? res)
(let ((matchdat (string-search configf:var-expand-regex res)))
(if matchdat
(let* ((prestr (list-ref matchdat 1))
(cmdtype (list-ref matchdat 2)) ;; eval, system, shell, getenv
(cmd (list-ref matchdat 3))
(poststr (list-ref matchdat 4))
(result #f)
(start-time (current-seconds))
(cmdsym (string->symbol cmdtype))
(fullcmd
(conc configf:std-imports
(case cmdsym
((scheme scm) (conc "(lambda (ht)" cmd ")"))
((system) (conc "(lambda (ht)(configf:system ht \"" cmd "\"))"))
((shell sh) (conc "(lambda (ht)(string-translate (shell \"" cmd "\") \"\n\" \" \"))"))
((realpath rp)(conc "(lambda (ht)(common:nice-path \"" cmd "\"))"))
((getenv gv) (conc "(lambda (ht)(get-environment-variable \"" cmd "\"))"))
((mtrah) (conc "(lambda (ht)"
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;; convert hierarchial list to ini format
;;
(define (configf:config->ini data)
(map
(lambda (section)
(let ((section-name (car section))
(section-dat (cdr section)))
(if (string? section-name)
(begin
(print "\n[" section-name "]")
(map (lambda (dat-pair)
(let* ((var (car dat-pair))
(val (cadr dat-pair))
(fname (if (> (length dat-pair) 2)(caddr dat-pair) #f)))
(if fname (print "# " var "=>" fname))
(print var " " val)))
section-dat))))) ;; (print "section-dat: " section-dat))
(hash-table->alist data)))
(define (runconfig:read fname target environ-patt)
(let ((ht (make-hash-table)))
(if target (hash-table-set! ht target '()))
(configf:read-config fname ht #t environ-patt: environ-patt sections: (if target (list "default" target) #f))))
;;======================================================================
;; Config file handling
;;======================================================================
;; convert to param?
(define configf:std-imports "(import big-chicken configfmod commonmod rmtmod (prefix mtargs args:))")
(define (configf:process-one matchdat l ht allow-system env-to-use linenum)
(let* ((prestr (list-ref matchdat 1))
(cmdtype (list-ref matchdat 2)) ;; eval, system, shell, getenv
(cmd (list-ref matchdat 3))
(quotedcmd (conc "\""cmd"\""))
(poststr (list-ref matchdat 4))
(result #f)
(start-time (current-seconds))
(cmdsym (string->symbol cmdtype))
(fullcmd
(if (member cmdsym '(scheme scm))
`(eval-needed
,(conc "(lambda (ht)"
configf:std-imports
cmd ")"))
(case cmdsym
((system) `(noeval-needed ,(conc (configf:system ht cmd))))
;; ((shell sh) `(noeval-needed ,(conc (string-translate (shell quotedcmd) "\n" " "))))
((shell sh) `(noeval-needed ,(conc (string-translate (shell cmd) "\n" " "))))
((realpath rp)`(noeval-needed ,(conc (common:nice-path quotedcmd))))
((getenv gv) `(noeval-needed ,(conc (get-environment-variable cmd))))
((mtrah) `(noeval-needed ,(configf:lookup ht "" "toppath")))
((get g)
(match
(string-split cmd)
((sect var) `(noeval-needed ,(configf:lookup ht sect var)))
(else
(debug:print-error 0 *default-log-port* "#{get ...} used with only one parameter, \"" cmd "\", two needed.")
'(bad-param ,(conc "#{get ...} used with only one parameter, \"" cmd "\", two needed.")))))
((runconfigs-get rget) `(noeval-needed ,(runconfigs-get ht quotedcmd))) ;; (conc "(lambda (ht)(runconfigs-get ht \"" cmd "\"))"))
(else `(#f ,(conc "cmd: " cmd " not recognised")))))))
(match
fullcmd
(('eval-needed newres)
(handle-exceptions
exn
(begin
(debug:print 0 *default-log-port* "WARNING: failed to process config input \"" l "\", fullcmd="fullcmd", exn=" exn)
(debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn))
;; (print "exn=" (condition->list exn))
(set! result (conc "#{( " cmdtype ") " cmd "}, full expansion: " fullcmd)))
(if (or allow-system
(not (member cmdtype '("system" "shell" "sh"))))
(with-input-from-string newres
(lambda ()
(set! result (if env-to-use
((eval (read) env-to-use) ht)
((eval (read)) ht)
))))
(set! result (conc "#{(" cmdtype ") " cmd "}")))))
(('noeval-needed newres)(set! result newres))
(else ;; (#f errres)
(debug:print 0 *default-log-port* "WARNING: failed to process config input \""l"\", fullcmd="fullcmd".")))
;; we process as a result
(let ((delta (- (current-seconds) start-time)))
(debug:print-info (if (> delta 2) 0 9) *default-log-port* "for line \"" l "\"\n command: " cmd " took " delta " seconds to run with output:\n " result))
(conc prestr result poststr)))
(define (configf:process-line l ht allow-system env-to-use #!key (linenum #f))
(let loop ((res l))
(if (string? res)
(let ((matchdat (string-search configf:var-expand-regex res)))
(if matchdat
(let ((result (configf:process-one matchdat l ht allow-system env-to-use linenum)))
(loop result))
res))
res)))
(define (configf:process-line-old l ht allow-system env-to-use #!key (linenum #f))
(let loop ((res l))
(if (string? res)
(let ((matchdat (string-search configf:var-expand-regex res)))
(if matchdat
(let* ((prestr (list-ref matchdat 1))
(cmdtype (list-ref matchdat 2)) ;; eval, system, shell, getenv
(cmd (list-ref matchdat 3))
(poststr (list-ref matchdat 4))
(result #f)
(start-time (current-seconds))
(cmdsym (string->symbol cmdtype))
(fullcmd
(conc configf:std-imports
"(import chicken.process-context.posix)"
"(define setenv set-environment-variable)"
(case cmdsym
((scheme scm) (conc "(lambda (ht)" cmd ")"))
((system) (conc "(lambda (ht)(configf:system ht \"" cmd "\"))"))
((shell sh) (conc "(lambda (ht)(string-translate (shell \"" cmd "\") \"\n\" \" \"))"))
((realpath rp)(conc "(lambda (ht)(common:nice-path \"" cmd "\"))"))
((getenv gv) (conc "(lambda (ht)(get-environment-variable \"" cmd "\"))"))
((mtrah) (conc "(lambda (ht)"
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(if (> delta 2)
(debug:print-info 0 *default-log-port* "for line \"" l "\"\n command: " cmd " took " delta " seconds to run with output:\n " result)
(debug:print-info 9 *default-log-port* "for line \"" l "\"\n command: " cmd " took " delta " seconds to run with output:\n " result)))))
(loop (conc prestr result poststr)))
res))
res)))
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>
>
>
>
>
>
>
>
>
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>
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1136
1137
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1139
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1141
1142
1143
1144
1145
1146
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1148
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1150
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(if (> delta 2)
(debug:print-info 0 *default-log-port* "for line \"" l "\"\n command: " cmd " took " delta " seconds to run with output:\n " result)
(debug:print-info 9 *default-log-port* "for line \"" l "\"\n command: " cmd " took " delta " seconds to run with output:\n " result)))))
(loop (conc prestr result poststr)))
res))
res)))
;;======================================================================
;; Lookup a value in runconfigs based on -reqtarg or -target
;;
(define (runconfigs-get config var #!optional (target #f))
(let ((targ (or target (mytarget)))) ;; (common:args-get-target))) ;; (or (args:get-arg "-reqtarg")(args:get-arg "-target")(getenv "MT_TARGET"))))
(if targ
(or (configf:lookup config targ var)
(configf:lookup config "default" var))
(configf:lookup config "default" var))))
;; pathenvvar will set the named var to the path of the config
(define (configf:find-and-read-config fname #!key (environ-patt #f)(given-toppath #f)(pathenvvar #f)(env-to-use #f))
(let* ((curr-dir (current-directory))
(configinfo (find-config fname toppath: given-toppath))
(toppath (car configinfo))
(configfile (cadr configinfo))
(set-fields (lambda (curr-section next-section ht path)
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(debug:print 0 *default-log-port* "INFO: NEED LOCKING ADDED HERE " fname)
(let* ((dat (configf:config->alist cdat))
(res
(begin
(with-output-to-file fname ;; first write out the file
(lambda ()
(pp dat)))
(if (file-exists? fname) ;; now verify it is readable
(if (configf:read-alist fname)
#t ;; data is good.
(begin
(handle-exceptions
exn
(begin
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1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
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(debug:print 0 *default-log-port* "INFO: NEED LOCKING ADDED HERE " fname)
(let* ((dat (configf:config->alist cdat))
(res
(begin
(with-output-to-file fname ;; first write out the file
(lambda ()
(pp dat)))
;; I don't like this. It makes write-alist opaque and complicated. -mrw-
(if (file-exists? fname) ;; now verify it is readable
(if (configf:read-alist fname)
#t ;; data is good.
(begin
(handle-exceptions
exn
(begin
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