will
52d94303bc
ci / test (push) Has been cancelled
Public demo snapshot of an in-house pyRevit extension for precast concrete shop-ticket QC (37 checks / 46 checklist rows) and a standalone panel handling solver (PCI Chapter 8). - No client, job, plant or product data: knowledge layers ship as structural templates only. - Ticket QC's model-read escalation targets a LAN model server endpoint (configurable), not a cloud provider. - Built from the private development repo via tools/make_dist.py.
336 lines
15 KiB
Python
336 lines
15 KiB
Python
# -*- coding: utf-8 -*-
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"""Phase C: write one timestamped detached copy, then quit. NO UI, NO USER.
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pyrevit run <this file> --revit=2025 --purge
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This is not a button. It runs in a Revit that `pyrevit run` started from a
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journal, with no engineer in front of it, AFTER the engineer's own Revit has
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exited -- that ordering is the whole point. The machine cannot hold two copies
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of a 300+ MB model (10+ GB open), so this session exists only because the
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other one is already gone.
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WHY IT IS NOT IN A `.pushbutton` FOLDER
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----------------------------------------
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pyRevit builds the ribbon from `*.tab / *.panel / *.pushbutton` folder names
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and ignores everything else in an extension, so a plain `runners/` directory
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is invisible to the UI -- which is correct: this must never appear as a button
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somebody can press while a model is open. The extension's `lib/` is on
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`sys.path` for the session either way, so `from vibe import snapshotmeta`
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resolves normally.
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HOW IT IS TOLD WHAT TO DO
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--------------------------
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`pyrevit run` passes NO arguments to the script it runs. The handoff is
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therefore a request file written by the button, named by the environment
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variable `WILLTOOLS_SNAPSHOT_REQUEST`, which `tools/snapshot_defer.py` sets on
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this process. The request carries the source model's identity, where the copy
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goes, and where to journal the outcome.
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WHAT IT IS ALLOWED TO WRITE
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----------------------------
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Exactly one thing: a NEW `.rvt` file, at a path that did not exist before, via
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`SaveAs`. It opens the source DETACHED where detaching is legal (see the next
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section), so the document in memory has no connection to the central and
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cannot sync to it. It never calls `SynchronizeWithCentral`, never `Save`,
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never opens a Transaction, and never touches the model it copied. If the
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target path already exists it does not overwrite -- it journals a skip and
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quits.
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A CLOUD MODEL CANNOT BE OPENED DETACHED, AND THIS USED TO GET IT WRONG
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----------------------------------------------------------------------
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Until 2026-09-01 this file set `DetachFromCentralOption.DetachAndPreserveWorksets`
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on EVERY open, including the cloud-GUID path -- which is the path this job
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actually takes, because the live model is an Autodesk Docs model. That throws.
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"Detach option is not valid for cloud model."
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Autodesk's own answer on the API forum is that the Revit team does not allow
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cloud models to be detached, that **SaveAs is the recommended way** to get a
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detached copy of one, and that the API is aligned to the UI -- where the
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"Detach from Central" checkbox is greyed out for anything opened from
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Autodesk Docs, because cloud worksharing is not the worksharing that option
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belongs to. Sources, read 2026-09-01:
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forums.autodesk.com/t5/revit-api-forum/
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how-to-open-and-detach-a-cloud-workshared-model/td-p/10371092
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autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/
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Detach-from-Central-grayed-out-when-opening-from-BIM-360-shared-file-
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in-Revit.html
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So the detach option is now applied ONLY to a file-path source. For a cloud
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source the model is opened plainly and the SEVERING IS THE SaveAs: a cloud
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workshared document saved to a local path with `SaveAsCentral = True` becomes
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a new local central with no route back to the cloud model. Same end state,
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reached the way the API allows.
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This is a real defect that had never fired, because phase C end-to-end was
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never run on the cloud job (QNA/review-2026-08-30.md listed it as needing the
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bridge). It would have failed on the first live press.
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WHY IT DOES NOT REBUILD THE INDEX
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----------------------------------
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Phase A already did, from the live document, at the same sync state -- the
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same numbers. Re-running it here would overwrite a good index with one built
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in a session whose job-folder resolution depends on the copy's title, which is
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exactly the thing this design had to be careful about. The detached copy's
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purpose is FUTURE re-scans: extractors that do not exist yet, run months from
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now against a state nobody can go back to. Its provenance says so in those
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words, so a later reader does not mistake it for the source of today's index.
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ROUTES
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------
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`pyrevit run` uses the attached clone, so this session loads pyRevit normally
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and `startup.py` registers the bridge API. The routes SERVER is a separate
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question: pyRevit only activates one when `routes_server` is on in the user
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config, and when it does, `serverinfo._get_next_available_port` starts at the
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configured port and walks UP past every port already registered by a running
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Revit. There is nothing to clash with here anyway -- this session only exists
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after the engineer's Revit has exited -- but if he has restarted in the
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meantime, his session keeps 48884 and this one takes 48885.
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"""
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# pylint: disable=import-error,invalid-name,broad-except
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import json
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import os
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import time
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import traceback
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from vibe import snapshotmeta as S
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ENV = 'WILLTOOLS_SNAPSHOT_REQUEST'
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def _log(request, event, **fields):
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path = (request or {}).get('log')
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if not path:
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return
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row = {'event': event, 'run': (request or {}).get('run')}
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row.update(fields)
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S.append(path, row)
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def _read_request():
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path = os.environ.get(ENV)
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if not path:
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raise RuntimeError(
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'{0} is not set. This script is launched by '
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'tools/snapshot_defer.py, which writes it.'.format(ENV))
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handle = open(path, 'rb')
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try:
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return json.loads(handle.read().decode('utf-8'))
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finally:
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handle.close()
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def _fallback_log():
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"""`<detached_dir>/snapshots.jsonl`, recovered with no request to read.
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Same trick as `tools/snapshot_defer.py`'s `fallback_log_for`, and for the
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same reason: the request file IS where `log` lives, so a request that
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cannot be read has nothing to send a journal line to by the ordinary
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route. But `WILLTOOLS_SNAPSHOT_REQUEST` always names a file at
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`<detached_dir>/_requests/<run>.json`, so the well-known log path can be
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recovered from that FILENAME alone. None when the env var is unset or
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does not have that shape -- a guessed path is worse than no line.
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"""
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path = os.environ.get(ENV)
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if not path:
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return None
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try:
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requests_dir = os.path.dirname(os.path.abspath(path))
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if os.path.basename(requests_dir) != '_requests':
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return None
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return S.log_path(os.path.dirname(requests_dir))
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except Exception:
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return None
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def _source_model_path(request):
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"""A Revit `ModelPath` for the model to copy, and how it was identified.
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Cloud GUIDs first, the file path second. Which of the two a job has was
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never something to assume -- the engineer here works in a detached local
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file, and a tool that only knew how to reopen a cloud model would have
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failed on it with a message about the cloud.
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"""
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from Autodesk.Revit.DB import ModelPathUtils
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src = (request or {}).get('source') or {}
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cloud = src.get('cloud')
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if cloud:
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from System import Guid
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return (ModelPathUtils.ConvertCloudGUIDsToCloudPath(
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cloud['region'],
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Guid(cloud['project_guid']),
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Guid(cloud['model_guid'])), 'cloud GUIDs', True)
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path = src.get('path')
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if not path:
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raise RuntimeError(
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'the request names neither cloud GUIDs nor a file path, so there '
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'is nothing to reopen. Cloud lookup said: {0}'
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.format(src.get('cloud_error') or 'nothing'))
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if not os.path.isfile(path):
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raise RuntimeError('the source model is gone: {0}'.format(path))
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return (ModelPathUtils.ConvertUserVisiblePathToModelPath(path),
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'file path', False)
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def _open_detached(app, model_path, worksets, is_cloud=False):
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"""The source, open in memory. Detached where the API allows detaching.
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`is_cloud` is not a style choice: setting ANY `DetachFromCentralOption`
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on a cloud model raises "Detach option is not valid for cloud model" and
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the copy never happens. See this module's header for the sources. The
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cloud model is opened plainly and severed by the `SaveAs` instead.
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"""
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from Autodesk.Revit.DB import (DetachFromCentralOption, OpenOptions,
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WorksetConfiguration,
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WorksetConfigurationOption)
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opts = OpenOptions()
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if is_cloud:
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# No detach option at all. Worksets still open in full, because the
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# copy is meant to be a complete model and a half-opened one measures
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# short without saying so.
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try:
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opts.SetOpenWorksetsConfiguration(WorksetConfiguration(
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WorksetConfigurationOption.OpenAllWorksets))
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except Exception:
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pass
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return app.OpenDocumentFile(model_path, opts)
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if (worksets or 'preserve') == 'discard':
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opts.DetachFromCentralOption = \
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DetachFromCentralOption.DetachAndDiscardWorksets
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else:
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opts.DetachFromCentralOption = \
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DetachFromCentralOption.DetachAndPreserveWorksets
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try:
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opts.SetOpenWorksetsConfiguration(WorksetConfiguration(
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WorksetConfigurationOption.OpenAllWorksets))
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except Exception:
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# A non-workshared source has no workset configuration to set.
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# Not fatal, and not worth losing the copy over.
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pass
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return app.OpenDocumentFile(model_path, opts)
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def _save_as(doc, path, worksets, is_cloud=False):
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"""The one write this whole feature is allowed to make. A NEW file.
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For a CLOUD source this is not merely the write, it is the detach: a
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cloud workshared document saved to a local path as a new CENTRAL has no
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route back to the cloud model. `SaveAsCentral` is therefore forced on for
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a cloud source whatever `worksets` says -- `worksets: discard` describes
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what a detach-from-central does to worksets, and a cloud model was never
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detached in the first place, so there is nothing for it to describe.
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"""
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from Autodesk.Revit.DB import (ModelPathUtils, SaveAsOptions,
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WorksharingSaveAsOptions)
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opts = SaveAsOptions()
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opts.OverwriteExistingFile = False
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if is_cloud or (worksets or 'preserve') != 'discard':
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# A detached-with-worksets document can only be saved as a new
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# CENTRAL. Without this the SaveAs raises, and the message it raises
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# says nothing useful about why.
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try:
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ws = WorksharingSaveAsOptions()
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ws.SaveAsCentral = True
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opts.SetWorksharingOptions(ws)
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except Exception:
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pass
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doc.SaveAs(ModelPathUtils.ConvertUserVisiblePathToModelPath(path), opts)
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def main():
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request = None
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started = time.time()
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try:
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request = _read_request()
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except Exception:
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# There is no `request['log']` to journal to -- the request file IS
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# where it lives, and reading it is exactly what failed. Until
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# 2026-09-02 that made this branch genuinely silent: the deferred
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# host tool's own FAILED line covers "the pyRevit run finished but
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# nothing was written", which is a true sentence here too, but it
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# cannot say WHY, and this is the one exception in the whole feature
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# that carries a `RuntimeError` message worth keeping.
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# `_fallback_log` recovers `<detached_dir>/snapshots.jsonl` from the
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# env var's own path, with no JSON parse needed, so this failure
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# gets a line of its own instead of dissolving into the defer tool's
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# generic one.
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fallback = _fallback_log()
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if fallback:
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S.append(fallback, {
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'event': S.WATCHER_CRASHED, 'run': None,
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'error': 'the runner could not read its own request: {0}'
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.format(traceback.format_exc().splitlines()[-1]),
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'traceback': traceback.format_exc()})
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raise
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plan = request.get('plan') or {}
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target = plan.get('path')
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try:
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if not target:
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raise RuntimeError('the request carries no target path')
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if os.path.isfile(target):
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_log(request, S.SKIPPED, path=target,
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reason='a copy with this timestamp is already there')
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return
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folder = os.path.dirname(target)
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if folder and not os.path.isdir(folder):
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os.makedirs(folder)
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from pyrevit import HOST_APP
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app = HOST_APP.app
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model_path, how, is_cloud = _source_model_path(request)
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doc = _open_detached(app, model_path, request.get('worksets'),
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is_cloud)
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try:
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_save_as(doc, target, request.get('worksets'), is_cloud)
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finally:
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try:
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doc.Close(False) # False: save nothing, ever
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except Exception:
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pass
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prov = S.provenance(
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'C', S.FRESH_DETACH,
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source_path=(request.get('source') or {}).get('path'),
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# None, not plan['stamp']: that is THIS copy's stamp (already in
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# the folder name and the `at` field). The source is the live
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# central being reopened and carries no snapshot stamp of its own.
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source_stamp=None,
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source_title=(request.get('source') or {}).get('title'),
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revit='{0} ({1})'.format(getattr(app, 'VersionNumber', '?'),
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getattr(app, 'VersionBuild', '?')),
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job_folder=request.get('job_folder'),
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note=('an archival copy, not the source of any current index. '
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'Phase A read the live document at the same sync state and '
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'produced identical numbers. This file exists for re-scans '
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'by extractors that did not exist when it was written, and '
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'as the sandbox tools/snapshot_cycle.py drives. Reopened '
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'from {0}; severed by {1}.'
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.format(how, 'SaveAs to a new local central (a cloud model '
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'cannot be opened detached)' if is_cloud
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else 'open-detached from central')))
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try:
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handle = open(os.path.join(os.path.dirname(target),
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'snapshot.json'), 'wb')
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try:
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handle.write(json.dumps(prov, indent=2,
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sort_keys=True).encode('utf-8'))
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finally:
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handle.close()
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except Exception:
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pass
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_log(request, S.DONE, path=target, how=how,
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seconds=round(time.time() - started, 1), provenance=prov)
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except Exception:
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_log(request, S.FAILED, path=target,
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seconds=round(time.time() - started, 1),
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error=traceback.format_exc().splitlines()[-1],
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traceback=traceback.format_exc())
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raise
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main()
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