def __init__(self, currentver, manifest=None, manifesturi=None):
"""
Fetch a manifest and verify that it matches the given version.
"""
# fetch the manifest
if manifest is None:
if manifesturi is None:
raise Exception("Update not given manifest object or URI")
with URI(manifesturi) as uri:
manifest = Manifest.from_yaml(uri.read())
# verify versions match
if currentver != manifest["current-version"]:
log.error("Current version '{0}' does not match manifest '{1}'".format(
currentver, manifest["current-version"]))
raise Exception("Current version does not match manifest")
self.manifest = manifest
self.package = None
def generate_update(self, currentver, currentpath, updatever, updatepath,
platform=None):
"""
Given the current version/path and update version/path, generate a
manifest, package, and individual update files in the appropriate
locations and formats as specified by the configuration files.
"""
manifest = Manifest()
manifest.add_property("current-version", currentver)
manifest.add_property("update-version", updatever)
if platform is None:
platform = system()
unmodified, modified, added, removed = self._walk(currentpath, updatepath)
fileformat = Config.get("formats", "file")
archiveformat = Config.get("formats", "archive")
packageextension = extension(archiveformat, dot=False)
packagepath = Config.get("paths", "package",
vars={"platform": platform,
"current_version": currentver,
"update_version": updatever,
"extension": packageextension,
})
# build the package archive
with Package() as package:
for filename in unmodified:
fullname = filename + extension(fileformat)
fulluri = Config.get("uris", "file",
vars={"platform": platform,
"update_version": updatever,
"filename": fullname,
})
filepath = Config.get("paths", "file",
vars={"platform": platform,
"update_version": updatever,
"filename": fullname,
})
with File(filepath, mode="w") as fh:
fh.compress(path.join(updatepath, filename))
manifest.add_action({
"action": "verify",
"filename": filename,
"sha1-before": sha1(path.join(updatepath, filename)),
"full-uri": fulluri,
"full-format": fileformat,
})
for filename in modified:
fullname = filename + extension(fileformat)
fulluri = Config.get("uris", "file",
vars={"platform": platform,
"update_version": updatever,
"filename": fullname,
})
filepath = Config.get("paths", "file",
vars={"platform": platform,
"update_version": updatever,
"filename": fullname,
})
with File(filepath, mode="w") as fh:
fh.compress(path.join(updatepath, filename))
with package.open(filename, "w") as fh:
fh.compress(path.join(updatepath, filename))
manifest.add_action({
"action": "replace",
"filename": filename,
"sha1-before": sha1(path.join(currentpath, filename)),
"sha1-after": sha1(path.join(updatepath, filename)),
"full-uri": "package:///" + filename,
"full-format": "raw",
})
for filename in added:
with package.open(filename, "w") as fh:
fh.compress(path.join(updatepath, filename))
manifest.add_action({
"action": "create",
"filename": filename,
"sha1-after": sha1(path.join(updatepath, filename)),
"full-uri": "package:///" + filename,
"full-format": "raw",
})
for filename in removed:
manifest.add_action({
"action": "delete",
"filename": filename,
})
package.write(packagepath)
manifest.add_property("package-sha1", sha1(packagepath))
manifest.add_property("package-format", archiveformat)
manifest.add_property("package-uri", Config.get("uris", "package",
vars={"platform": platform,
"current_version": currentver,
"update_version": updatever,
"extension": packageextension,
}))
manifestpath = Config.get("paths", "manifest",
vars={"platform": platform,
"current_version": currentver,
})
with File(manifestpath, mode="w") as mh:
mh.write(manifest.to_yaml())
