def download(url, filename, hash=None):
"""
Downloads `url` to `filename`, a tempfile.
"""
global download_url
global download_file
download_url = url
download_file = _friendly(filename)
filename = _path(filename)
if hash is not None:
if _check_hash(filename, hash):
return
progress_time = time.time()
try:
response = requests.get(url, stream=True)
response.raise_for_status()
total_size = int(response.headers.get('content-length', 1))
downloaded = 0
with open(filename, "wb") as f:
for i in response.iter_content(65536):
f.write(i)
downloaded += len(i)
if time.time() - progress_time > 0.1:
progress_time = time.time()
if not quiet:
interface.processing(
_("Downloading [installer.download_file]..."),
complete=downloaded,
total=total_size)
except requests.HTTPError as e:
if not quiet:
raise
interface.error(
_("Could not download [installer.download_file] from [installer.download_url]:\n{b}[installer.download_error]"
))
if hash is not None:
if not quiet:
raise Exception("Hash check failed.")
if not _check_hash(filename, hash):
interface.error(
_("The downloaded file [installer.download_file] from [installer.download_url] is not correct."
))
def run(*args, **kwargs):
"""
Runs a program with the given arguments, in the target directory.
"""
environ = {
renpy.exports.fsencode(k): renpy.exports.fsencode(v)
for k, v in os.environ.items()
}
for k, v in kwargs.pop("environ", {}).items():
environ[renpy.exports.fsencode(k)] = renpy.exports.fsencode(v)
global install_args
global install_error
args = [renpy.exports.fsencode(i) for i in args]
try:
subprocess.check_call(args, cwd=target, env=environ) # type: ignore
except Exception as e:
install_args = args
install_error = str(e)
interface.error(
_("Could not run [installer.install_args!r]:\n[installer.install_error]"
))
def manifest(url, renpy=False, insecure=False):
"""
Executes the manifest at `url`.
`renpy`
If true, the manifest applies to Ren'Py. If False, the manifest applies
to the current project.
`insecure`
If true, verificaiton is disabled.
"""
import ecdsa
download(url, "temp:manifest.py")
with open(_path("temp:manifest.py"), "rb") as f:
manifest = f.read()
if not insecure:
download(url + ".sig", "temp:manifest.py.sig")
with open(_path("temp:manifest.py.sig"), "rb") as f:
sig = f.read()
key = ecdsa.VerifyingKey.from_pem(
_renpy.exports.file("renpy_ecdsa_public.pem").read())
if not key.verify(sig, manifest):
error(_("The manifest signature is not valid."))
return
if renpy:
set_target(config.renpy_base)
else:
if project.current is None:
error(_("No project has been selected."))
return
set_target(project.current.path)
exec(manifest.decode("utf-8"), {}, {})
def local_manifest(filename, renpy=False):
"""
Executes the manifest in `filename`.
`renpy`
If true, the manifest applies to Ren'Py. If False, the manifest applies
to the current project.
"""
if renpy:
set_target(config.renpy_base)
else:
if project.current is None:
error(_("No project has been selected."))
return
set_target(project.current.path)
with open(filename, "r") as f:
exec(f.read(), {}, {})
def unpack(archive, destination):
"""
Unpacks `archive` to `destination`. `archive` should be the name of
a zip or (perhaps compressed) tar file. `destination` should be a
directory that the contents are unpacked into.
"""
global unpack_archive
unpack_archive = _friendly(archive)
if not quiet:
interface.processing(_("Unpacking [installer.unpack_archive]..."))
archive = _path(archive)
destination = _path(destination)
if not os.path.exists(destination):
os.makedirs(destination)
old_cwd = os.getcwd()
try:
os.chdir(destination)
if tarfile.is_tarfile(archive):
tar = tarfile.open(archive)
tar.extractall(".")
tar.close()
elif zipfile.is_zipfile(archive):
zip = _FixedZipFile(archive)
zip.extractall(".")
zip.close()
else:
raise Exception("Unknown file type.")
finally:
os.chdir(old_cwd)