Source code for cam.autoupdate
"""BlenderCAM 'autoupdate.py'
Classes to check for, download and install BlenderCAM updates.
"""
import calendar
from datetime import date
import io
import json
import os
import pathlib
import re
import sys
from urllib.request import urlopen
import zipfile
import bpy
from bpy.props import StringProperty
from .version import __version__ as current_version
[docs]
class UpdateChecker(bpy.types.Operator):
"""Check for Updates"""
[docs]
bl_idname = "render.cam_check_updates"
[docs]
bl_label = "Check for Updates in BlenderCAM Plugin"
[docs]
bl_options = {'REGISTER', 'UNDO'}
[docs]
def execute(self, context):
addon_prefs = context.preferences.addons[__package__].preferences
if bpy.app.background:
return {"FINISHED"}
last_update_check = addon_prefs.last_update_check
today = date.today().toordinal()
update_source = addon_prefs.update_source
match = re.match(r"https://github.com/([^/]+/[^/]+)", update_source)
if match:
update_source = f"https://api.github.com/repos/{match.group(1)}/releases"
print(f"Update Check: {update_source}")
if update_source == "None" or len(update_source) == 0:
return {'FINISHED'}
addon_prefs.new_version_available = ""
bpy.ops.wm.save_userpref()
# get list of releases from github release
if update_source.endswith("/releases"):
with urlopen(update_source, timeout=2.0) as response:
body = response.read().decode("UTF-8")
# find the tag name
release_list = json.loads(body)
if len(release_list) > 0:
release = release_list[0]
tag = release["tag_name"]
print(f"Found Release: {tag}")
match = re.match(r".*(\d+)\.(\s*\d+)\.(\s*\d+)", tag)
if match:
version_num = tuple(map(int, match.groups()))
print(f"Found version: {version_num}")
addon_prefs.last_update_check = today
if version_num > current_version:
addon_prefs.new_version_available = ".".join(
[str(x) for x in version_num])
bpy.ops.wm.save_userpref()
elif update_source.endswith("/commits"):
with urlopen(update_source+"?per_page=1", timeout=2) as response:
body = response.read().decode("UTF-8")
# find the tag name
commit_list = json.loads(body)
commit_sha = commit_list[0]['sha']
commit_date = commit_list[0]['commit']['author']['date']
if addon_prefs.last_commit_hash != commit_sha:
addon_prefs.new_version_available = commit_date
bpy.ops.wm.save_userpref()
return {'FINISHED'}
[docs]
class Updater(bpy.types.Operator):
"""Update to Newer Version if Possible"""
[docs]
bl_idname = "render.cam_update_now"
[docs]
bl_options = {'REGISTER', 'UNDO'}
[docs]
def execute(self, context):
addon_prefs = context.preferences.addons[__package__].preferences
print("Update Check")
last_update_check = addon_prefs.last_update_check
today = date.today().toordinal()
update_source = addon_prefs.update_source
if update_source == "None" or len(update_source) == 0:
return {'FINISHED'}
match = re.match(r"https://github.com/([^/]+/[^/]+)", update_source)
if match:
update_source = f"https://api.github.com/repos/{match.group(1)}/releases"
# get list of releases from github release
if update_source.endswith("/releases"):
with urlopen(update_source, timeout=2) as response:
body = response.read().decode("UTF-8")
# find the tag name
release_list = json.loads(body)
if len(release_list) > 0:
release = release_list[0]
tag = release["tag_name"]
print(f"Found Release: {tag}")
match = re.match(r".*(\d+)\.(\s*\d+)\.(\s*\d+)", tag)
if match:
version_num = tuple(map(int, match.groups()))
print(f"Found version: {version_num}")
addon_prefs.last_update_check = today
bpy.ops.wm.save_userpref()
if version_num > current_version:
print("Version Is Newer, Downloading Source")
zip_url = release["zipball_url"]
self.install_zip_from_url(zip_url)
return {'FINISHED'}
elif update_source.endswith("/commits"):
with urlopen(update_source+"?per_page=1", timeout=2) as response:
body = response.read().decode("UTF-8")
# find the tag name
commit_list = json.loads(body)
commit_sha = commit_list[0]['sha']
if addon_prefs.last_commit_hash != commit_sha:
# get zipball from this commit
zip_url = update_source.replace(
"/commits", f"/zipball/{commit_sha}")
self.install_zip_from_url(zip_url)
addon_prefs.last_commit_hash = commit_sha
bpy.ops.wm.save_userpref()
return {'FINISHED'}
[docs]
def install_zip_from_url(self, zip_url):
addon_prefs = context.preferences.addons[__package__].preferences
with urlopen(zip_url) as zip_response:
zip_body = zip_response.read()
buffer = io.BytesIO(zip_body)
zf = zipfile.ZipFile(buffer, mode='r')
files = zf.infolist()
cam_addon_path = pathlib.Path(__file__).parent
for fileinfo in files:
filename = fileinfo.filename
if fileinfo.is_dir() == False:
path_pos = filename.replace("\\", "/").find("/scripts/addons/cam/")
if path_pos != -1:
relative_path = filename[path_pos + len("/scripts/addons/cam/"):]
out_path = cam_addon_path / relative_path
print(out_path)
# check folder exists
out_path.parent.mkdir(parents=True, exist_ok=True)
with zf.open(filename, "r") as in_file, open(out_path, "wb") as out_file:
time_struct = (*fileinfo.date_time, 0, 0, 0)
mtime = calendar.timegm(time_struct)
out_file.write(in_file.read())
os.utime(out_path, times=(mtime, mtime))
# TODO: check for newer times
# TODO: what about if a file is deleted...
# updated everything, now mark as updated and reload scripts
addon_prefs.just_updated = True
addon_prefs.new_version_available = ""
bpy.ops.wm.save_userpref()
# unload ourself from python module system
delete_list = []
for m in sys.modules.keys():
if m.startswith("cam.") or m == 'cam':
delete_list.append(m)
for d in delete_list:
del sys.modules[d]
bpy.ops.script.reload()
[docs]
class UpdateSourceOperator(bpy.types.Operator):
[docs]
bl_idname = "render.cam_set_update_source"
[docs]
bl_label = "Set BlenderCAM Update Source"
[docs]
new_source: StringProperty(
default='',
)
[docs]
def execute(self, context):
context.preferences.addons[__package__].preferences.update_source = self.new_source
bpy.ops.wm.save_userpref()
return {'FINISHED'}
