def load_feed(source, local=False, selections_ok=False):
"""Load a feed from a local file.
@param source: the name of the file to read
@type source: str
@param local: this is a local feed
@type local: bool
@param selections_ok: if it turns out to be a local selections document, return that instead
@type selections_ok: bool
@raise InvalidInterface: if the source's syntax is incorrect
@return: the new feed
@since: 0.48
@see: L{iface_cache.iface_cache}, which uses this to load the feeds"""
try:
root = qdom.parse(open(source))
except IOError as ex:
if ex.errno == errno.ENOENT and local:
raise MissingLocalFeed(
_("Feed not found. Perhaps this is a local feed that no longer exists? You can remove it from the list of feeds in that case."
))
raise InvalidInterface(_("Can't read file"), ex)
except Exception as ex:
raise InvalidInterface(_("Invalid XML"), ex)
if local:
if selections_ok and root.uri == XMLNS_IFACE and root.name == 'selections':
from zeroinstall.injector import selections
return selections.Selections(root)
local_path = source
else:
local_path = None
feed = ZeroInstallFeed(root, local_path)
feed.last_modified = int(os.stat(source).st_mtime)
return feed
def load_feed(source, local=False):
"""Load a feed from a local file.
@param source: the name of the file to read
@type source: str
@param local: this is a local feed
@type local: bool
@return: the new feed
@rtype: L{ZeroInstallFeed}
@raise InvalidInterface: if the source's syntax is incorrect
@since: 0.48
@see: L{iface_cache.iface_cache}, which uses this to load the feeds"""
try:
with open(source, "rb") as stream:
root = qdom.parse(stream, filter_for_version=True)
except IOError as ex:
if ex.errno == errno.ENOENT and local:
raise MissingLocalFeed(
_(
"Feed not found. Perhaps this is a local feed that no longer exists? You can remove it from the list of feeds in that case."
)
)
raise InvalidInterface(_("Can't read file"), ex)
except Exception as ex:
raise InvalidInterface(_("Invalid XML"), ex)
if local:
assert os.path.isabs(source), source
local_path = source
else:
local_path = None
feed = ZeroInstallFeed(root, local_path)
feed.last_modified = int(os.stat(source).st_mtime)
return feed
def load_feed(source, local = False, selections_ok = False):
"""Load a feed from a local file.
@param source: the name of the file to read
@type source: str
@param local: this is a local feed
@type local: bool
@param selections_ok: if it turns out to be a local selections document, return that instead
@type selections_ok: bool
@raise InvalidInterface: if the source's syntax is incorrect
@return: the new feed
@since: 0.48
@see: L{iface_cache.iface_cache}, which uses this to load the feeds"""
try:
with open(source, 'rb') as stream:
root = qdom.parse(stream)
except IOError as ex:
if ex.errno == errno.ENOENT and local:
raise MissingLocalFeed(_("Feed not found. Perhaps this is a local feed that no longer exists? You can remove it from the list of feeds in that case."))
raise InvalidInterface(_("Can't read file"), ex)
except Exception as ex:
raise InvalidInterface(_("Invalid XML"), ex)
if local:
if selections_ok and root.uri == XMLNS_IFACE and root.name == 'selections':
from zeroinstall.injector import selections
return selections.Selections(root)
local_path = source
else:
local_path = None
feed = ZeroInstallFeed(root, local_path)
feed.last_modified = int(os.stat(source).st_mtime)
return feed
def load_feed(source, local = False, selections_ok = False, generate_sizes = False, implementation_id_alg=None, config=None):
"""Load a feed from a local file.
@param source: the name of the file to read
@type source: str
@param local: this is a local feed
@type local: bool
@param selections_ok: if it turns out to be a local selections document, return that instead
@type selections_ok: bool
@param generate_sizes: if True, sizes of archives with missing size attributes will be generated
@type generate_sizes: bool
@param implementation_id_alg: if specified, missing impl ids will be generated with this alg
@type implementation_id_alg: L{Algorithm}
@raise InvalidInterface: if the source's syntax is incorrect
@return: the new feed
@since: 0.48
@see: L{iface_cache.iface_cache}, which uses this to load the feeds"""
try:
root = qdom.parse(file(source))
except IOError as ex:
if ex.errno == 2 and local:
raise MissingLocalFeed(_("Feed not found. Perhaps this is a local feed that no longer exists? You can remove it from the list of feeds in that case."))
raise InvalidInterface(_("Can't read file"), ex)
except Exception as ex:
raise InvalidInterface(_("Invalid XML"), ex)
if local:
if selections_ok and root.uri == XMLNS_IFACE and root.name == 'selections':
from zeroinstall.injector import selections
return selections.Selections(root)
local_path = source
else:
local_path = None
if implementation_id_alg or generate_sizes:
from zeroinstall.injector.config import load_config
if config is None:
config = load_config()
feed = ZeroInstallFeed(root, local_path, None, generate_sizes, implementation_id_alg, config.fetcher, config.stores)
else:
feed = ZeroInstallFeed(root, local_path)
feed.last_modified = int(os.stat(source).st_mtime)
return feed
try:
root = qdom.parse(file(source))
except IOError, ex:
if ex.errno == 2:
raise InvalidInterface(
_("Feed not found. Perhaps this is a local feed that no longer exists? You can remove it from the list of feeds in that case."
), ex)
raise InvalidInterface(_("Can't read file"), ex)
except Exception, ex:
raise InvalidInterface(_("Invalid XML"), ex)
if local:
local_path = source
else:
local_path = None
feed = ZeroInstallFeed(root, local_path, distro.get_host_distribution())
feed.last_modified = int(os.stat(source).st_mtime)
if not local:
if feed.url != interface.uri:
raise InvalidInterface(
_("Incorrect URL used for feed.\n\n"
"%(feed_url)s is given in the feed, but\n"
"%(interface_uri)s was requested") % {
'feed_url': feed.url,
'interface_uri': interface.uri
})
interface._main_feed = feed
return feed
"""Load a feed from a local file.
@param source: the name of the file to read
@type source: str
@param local: this is a local feed
@type local: bool
@param selections_ok: if it turns out to be a local selections document, return that instead
@type selections_ok: bool
@raise InvalidInterface: if the source's syntax is incorrect
@return: the new feed
@since: 0.48
@see: L{iface_cache.iface_cache}, which uses this to load the feeds"""
try:
root = qdom.parse(file(source))
except IOError, ex:
if ex.errno == 2:
raise InvalidInterface(_("Feed not found. Perhaps this is a local feed that no longer exists? You can remove it from the list of feeds in that case."), ex)
raise InvalidInterface(_("Can't read file"), ex)
except Exception, ex:
raise InvalidInterface(_("Invalid XML"), ex)
if local:
if selections_ok and root.uri == XMLNS_IFACE and root.name == 'selections':
from zeroinstall.injector import selections
return selections.Selections(root)
local_path = source
else:
local_path = None
feed = ZeroInstallFeed(root, local_path)
feed.last_modified = int(os.stat(source).st_mtime)
return feed
