Add ReportWithOpeningFile reporter for issue #205

[nitsanavni]

Summary

• Implements ReportWithOpeningFile reporter that opens received files using system default viewer
• Provides cross-platform support for macOS (open), Windows (start), and Linux/Unix (xdg-open)

Fixes #205

Test plan

• Unit tests cover all platform scenarios with mocking
• Tests verify correct command generation for each OS
• Tests confirm subprocess.call is invoked with proper arguments
• Code formatted with black and follows existing patterns
• All tests pass via tox

🤖 Generated with Claude Code

[sourcery-ai]

Reviewer's Guide

Introduces a new ReportWithOpeningFile reporter subclass that determines and invokes platform-specific commands to open a received file in the system default viewer, and adds unit tests mocking platform detection and subprocess calls to verify correct behavior on macOS, Windows, and Linux/Unix.

Sequence diagram for file reporting process

sequenceDiagram
    participant ClientCode
    participant RWOFile as ReportWithOpeningFile
    participant platform
    participant subprocess

    ClientCode->>RWOFile: report(received_path, approved_path)
    activate RWOFile
    RWOFile->>RWOFile: self.get_command(received_path)
    activate RWOFile
    RWOFile->>platform: system()
    platform-->>RWOFile: os_name
    RWOFile-->>RWOFile: command_array
    deactivate RWOFile
    RWOFile->>subprocess: call(command_array)
    subprocess-->>RWOFile: (OS dependent interaction)
    RWOFile-->>ClientCode: True
    deactivate RWOFile

Loading

Class diagram for ReportWithOpeningFile

classDiagram
    class Reporter {
        <<Interface>>
        report(received_path str, approved_path str) bool
    }
    class ReportWithOpeningFile {
        +get_command(received_path str) List~str~ $
        +report(received_path str, approved_path str) bool
    }
    Reporter <|-- ReportWithOpeningFile

Loading

File-Level Changes

Change	Details	Files
Add new ReportWithOpeningFile reporter	Define ReportWithOpeningFile subclass of Reporter Implement get_command to select ‘open’, ‘start’, or ‘xdg-open’ based on platform.system() Override report to build command array and invoke subprocess.call Return True unconditionally from report	approvaltests/reporters/report_with_opening_file.py
Add unit tests for ReportWithOpeningFile	Mock platform.system for Darwin, Windows, Linux, and unknown values Assert get_command returns the correct command list Patch subprocess.call and verify report() invokes it with expected arguments Ensure report() returns True	tests/reporters/test_report_with_opening_file.py

---

Tips and commands

Interacting with Sourcery

• Trigger a new review: Comment @sourcery-ai review on the pull request.
• Continue discussions: Reply directly to Sourcery's review comments.
• Generate a GitHub issue from a review comment: Ask Sourcery to create an
  issue from a review comment by replying to it. You can also reply to a
  review comment with @sourcery-ai issue to create an issue from it.
• Generate a pull request title: Write @sourcery-ai anywhere in the pull
  request title to generate a title at any time. You can also comment
  @sourcery-ai title on the pull request to (re-)generate the title at any time.
• Generate a pull request summary: Write @sourcery-ai summary anywhere in
  the pull request body to generate a PR summary at any time exactly where you
  want it. You can also comment @sourcery-ai summary on the pull request to
  (re-)generate the summary at any time.
• Generate reviewer's guide: Comment @sourcery-ai guide on the pull
  request to (re-)generate the reviewer's guide at any time.
• Resolve all Sourcery comments: Comment @sourcery-ai resolve on the
  pull request to resolve all Sourcery comments. Useful if you've already
  addressed all the comments and don't want to see them anymore.
• Dismiss all Sourcery reviews: Comment @sourcery-ai dismiss on the pull
  request to dismiss all existing Sourcery reviews. Especially useful if you
  want to start fresh with a new review - don't forget to comment
  @sourcery-ai review to trigger a new review!

Customizing Your Experience

Access your dashboard to:

• Enable or disable review features such as the Sourcery-generated pull request
  summary, the reviewer's guide, and others.
• Change the review language.
• Add, remove or edit custom review instructions.
• Adjust other review settings.

Getting Help

• Contact our support team for questions or feedback.
• Visit our documentation for detailed guides and information.
• Keep in touch with the Sourcery team by following us on X/Twitter, LinkedIn or GitHub.