[
https://issues.apache.org/jira/browse/BEAM-13712?focusedWorklogId=722069&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-722069
]
ASF GitHub Bot logged work on BEAM-13712:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 07/Feb/22 17:06
Start Date: 07/Feb/22 17:06
Worklog Time Spent: 10m
Work Description: daria-malkova commented on a change in pull request
#16611:
URL: https://github.com/apache/beam/pull/16611#discussion_r800871562
##########
File path: playground/backend/internal/preparers/python_preparers.go
##########
@@ -112,3 +133,76 @@ func writeToFile(to *os.File, str string) error {
}
return nil
}
+
+// saveGraph adds code to pipeline to save the pipeline's graph to the file
GraphFileName
+func saveGraph(from *os.File, to *os.File) error {
+ newLine := false
+ reg := regexp.MustCompile(findPipelinePattern)
+ scanner := bufio.NewScanner(from)
+ pipelineName := ""
+ spaces := ""
+ err := errors.New("")
+
+ for scanner.Scan() {
+ line := scanner.Text()
+ if pipelineName == "" {
+ // Try to find where the beam pipeline declaration is
located
+ err = writeLineToFile(findPipelineLine)(newLine, to,
&line, &spaces, &pipelineName, ®)
+ } else if reg != nil {
+ // Try to find where beam pipeline definition is
finished and add code to store the graph
+ reg =
regexp.MustCompile(fmt.Sprintf(indentationPattern, spaces))
+ err = writeLineToFile(addCodeForGraph)(newLine, to,
&line, &spaces, &pipelineName, ®)
+ } else {
+ err = writeLineToFile(func(line, spaces, pipelineName
*string, reg **regexp.Regexp) {
+ // No need to find or change anything, just
write current line to file
+ })(newLine, to, &line, &spaces, &pipelineName, nil)
+ }
+ if err != nil {
+ logger.Errorf("Preparation: Error during write \"%s\"
to tmp file, err: %s\n", line, err.Error())
+ return err
+ }
+ newLine = true
+ }
+ return scanner.Err()
+}
+
+//findPipelineLine looking for a declaration of a beam pipeline and it's name
+func findPipelineLine(line, spaces, pipelineName *string, reg **regexp.Regexp)
{
Review comment:
Done
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Issue Time Tracking
-------------------
Worklog Id: (was: 722069)
Time Spent: 2h (was: 1h 50m)
> [Playground]Support graph on Python
> -----------------------------------
>
> Key: BEAM-13712
> URL: https://issues.apache.org/jira/browse/BEAM-13712
> Project: Beam
> Issue Type: Sub-task
> Components: beam-playground
> Reporter: Daria Malkova
> Assignee: Daria Malkova
> Priority: P3
> Labels: beam-playground-backend, beam-playground-sprint-7
> Time Spent: 2h
> Remaining Estimate: 0h
>
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