Report IV

Visualising results right away is useful, but sometimes you need to go back in time. So how about instead of printing the report, we write it to a file? Better yet, why not develop a plug-in to write the file such that it happens along with every publish?

└── logs
    ├── 20150612-112011.txt
    ├── 20150612-112021.txt
    ├── 20150612-112051.txt
    ├── 20150612-112118.txt
    └── 20150612-112158.txt

Let's get cracking.

import os
import datetime
import pyblish.api

class ArchiveValidation(pyblish.api.ContextPlugin):
  # Run after all validators have finished
  order = pyblish.api.ValidatorOrder + 0.1

  def process(self, context):
    formatted_results = self.format_results(context)

    # Compute output directory
    date = datetime.datetime.today().ctime()
    date = pyblish.api.format_filename(date)
    output_dir = os.path.join(os.path.expanduser("~"), "logs")
    output_path = os.path.join(output_dir, date + ".txt")

    # Write to disk
    if not os.path.exists(output_dir):
      os.makedirs(output_dir)

    with open(output_path, "w") as f:
      # E.g. c:\users\marcus\Documents\logs\20150612-110000.txt
      f.write(formatted_report)

We copy/paste the formatting from our previous example and chuck it into format_results, this time returning as opposed to printing.

  def format_results(self, context):
    header = "{:<10}{:<40} -> {}".format("Success", "Plug-in", "Instance")
    result = "{success:<10}{plugin.__name__:<40} -> {instance}"
    error = "{:<10}+-- EXCEPTION: {:<70}"
    record = "{:<10}+-- {level}: {message:<70}"

    results = list()
    for r in context.data["results"]:
      # Format summary
      results.append(result.format(**r))

      # Format log records
      for lr in r["records"]:
        results.append(record.format("", level=lr.levelname, message=lr.msg))

      # Format exception (if any)
      if r["error"]:
        results.append(error.format("", r["error"]))

    report = """
{header}
{line}
{results}
    """

    return report.format(
      header=header,
      results="\n".join(results),
      line="-" * 70))

Putting it all together, here is the full source code.

import os
import datetime
import pyblish.api

class CollectCaptainAmerica(pyblish.api.ContextPlugin):
  order = pyblish.api.CollectorOrder

  def process(self, context):
    context.create_instance("Captain America", isHero=False)

class ValidateCaptainAmerica(pyblish.api.InstancePlugin):
  order = pyblish.api.ValidatorOrder

  def process(self, instance):
    self.log.info("Entering validator..")
    self.log.info("About to validate instance: %s" % instance)

    if not instance.data["isHero"]:
        self.log.warning("Something is not right.. aborting")
        raise Exception("%s must be a hero" % instance)

class ArchiveValidation(pyblish.api.ContextPlugin):
  # Run after all validators have finished
  order = pyblish.api.ValidatorOrder + 0.1

  def process(self, context):
    formatted_results = self.format_results(context)

    # Compute output directory
    date = datetime.datetime.today().ctime()
    date = pyblish.api.format_filename(date)
    output_dir = os.path.join(os.path.expanduser("~"), "logs")
    output_path = os.path.join(output_dir, date + ".txt")

    # Write to disk
    if not os.path.exists(output_dir):
      os.makedirs(output_dir)

    with open(output_path, "w") as f:
      # E.g. c:\users\marcus\Documents\logs\20150612-110000.txt
      f.write(formatted_results)

    # Print rather than log, as this plug-in
    # won't be included in the results.
    print("Outputted to: %s" % output_path)

  def format_results(self, context):
    header = "{:<10}{:<40} -> {}".format("Success", "Plug-in", "Instance")
    result = "{success:<10}{plugin.__name__:<40} -> {instance}"
    error = "{:<10}+-- EXCEPTION: {:<70}"
    record = "{:<10}+-- {level}: {message:<70}"

    results = list()
    for r in context.data["results"]:
      # Format summary
      results.append(result.format(**r))

      # Format log records
      for lr in r["records"]:
        results.append(record.format("", level=lr.levelname, message=lr.msg))

      # Format exception (if any)
      if r["error"]:
        results.append(error.format("", r["error"]))

    report = """
{header}
{line}
{results}
    """

    return report.format(
      header=header,
      results="\n".join(results),
      line="-" * 70)


pyblish.api.register_plugin(CollectCaptainAmerica)
pyblish.api.register_plugin(ValidateCaptainAmerica)
pyblish.api.register_plugin(ArchiveValidation)

import pyblish.util
pyblish.util.publish()

And the results can be found in your home directory.

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