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# Copyright (c) 2017 Ultimaker B.V.
# Cura is released under the terms of the AGPLv3 or higher.
import configparser #To parse preference files.
import io #To serialise the preference files afterwards.
from UM.VersionUpgrade import VersionUpgrade #We're inheriting from this.
_renamed_themes = {
"cura": "cura-light"
}
class VersionUpgrade27to30(VersionUpgrade):
## Gets the version number from a CFG file in Uranium's 2.7 format.
#
# Since the format may change, this is implemented for the 2.7 format only
# and needs to be included in the version upgrade system rather than
# globally in Uranium.
#
# \param serialised The serialised form of a CFG file.
# \return The version number stored in the CFG file.
# \raises ValueError The format of the version number in the file is
# incorrect.
# \raises KeyError The format of the file is incorrect.
def getCfgVersion(self, serialised):
parser = configparser.ConfigParser(interpolation = None)
parser.read_string(serialised)
format_version = int(parser.get("general", "version")) #Explicitly give an exception when this fails. That means that the file format is not recognised.
setting_version = int(parser.get("metadata", "setting_version", fallback = 0))
return format_version * 1000000 + setting_version
## Upgrades a preferences file from version 2.7 to 3.0.
#
# \param serialised The serialised form of a preferences file.
# \param filename The name of the file to upgrade.
def upgradePreferences(self, serialised, filename):
parser = configparser.ConfigParser(interpolation=None)
parser.read_string(serialised)
# Update version numbers
if "general" not in parser:
parser["general"] = {}
parser["general"]["version"] = "5"
if "metadata" not in parser:
parser["metadata"] = {}
parser["metadata"]["setting_version"] = "3"
#Renamed themes.
if "theme" in parser["general"]:
if parser["general"]["theme"] in _renamed_themes:
parser["general"]["theme"] = _renamed_themes[parser["general"]["theme"]]
# Renamed settings for skin pre-shrink settings
if parser.has_section("general") and "visible_settings" in parser["general"]:
visible_settings = parser["general"]["visible_settings"].split(";")
new_visible_settings = []
renamed_skin_preshrink_names = {"expand_upper_skins": "top_skin_expand_distance",
"expand_lower_skins": "bottom_skin_expand_distance"}
for setting in visible_settings:
if setting == "expand_skins_into_infill":
continue # this one is removed
if setting in renamed_skin_preshrink_names:
new_visible_settings.append(renamed_skin_preshrink_names[setting])
continue #Don't add the original.
new_visible_settings.append(setting) #No special handling, so just add the original visible setting back.
parser["general"]["visible_settings"] = ";".join(new_visible_settings)
# Re-serialise the file.
output = io.StringIO()
parser.write(output)
return [filename], [output.getvalue()]
## Upgrades the given instance container file from version 2.7 to 3.0.
#
# \param serialised The serialised form of the container file.
# \param filename The name of the file to upgrade.
def upgradeOtherContainer(self, serialised, filename):
parser = configparser.ConfigParser(interpolation=None)
parser.read_string(serialised)
# Update the skin pre-shrink settings:
# - Remove the old ones
# - Do not add the new ones. The default values will be used for them.
if parser.has_section("values"):
for remove_key in ["expand_skins_into_infill", "expand_upper_skins", "expand_lower_skins"]:
if remove_key in parser["values"]:
del parser["values"][remove_key]
for each_section in ("general", "metadata"):
if not parser.has_section(each_section):
parser.add_section(each_section)
# Update version numbers
parser["general"]["version"] = "2"
parser["metadata"]["setting_version"] = "3"
# Re-serialise the file.
output = io.StringIO()
parser.write(output)
return [filename], [output.getvalue()]
## Upgrades a container stack from version 2.7 to 3.0.
#
# \param serialised The serialised form of a container stack.
# \param filename The name of the file to upgrade.
def upgradeStack(self, serialised, filename):
parser = configparser.ConfigParser(interpolation=None)
parser.read_string(serialised)
for each_section in ("general", "metadata"):
if not parser.has_section(each_section):
parser.add_section(each_section)
# Update version numbers
if "general" not in parser:
parser["general"] = {}
parser["general"]["version"] = "3"
if "metadata" not in parser:
parser["metadata"] = {}
parser["metadata"]["setting_version"] = "3"
# Re-serialise the file.
output = io.StringIO()
parser.write(output)
return [filename], [output.getvalue()]
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