mirror of
https://gitlab.com/libvirt/libvirt-python.git
synced 2025-07-12 08:59:36 +03:00
c5bbd5bd9d
Add binding for the new virDomainFSFreeze and virDomainFSThaw functions added in libvirt 1.2.5. These require override since these take a list of mountpoints path string. The methods are named 'fsFreeze' and 'fsThaw'. Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com> Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
289 lines
9.3 KiB
Python
289 lines
9.3 KiB
Python
#!/usr/bin/python
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import sys
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import lxml
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import lxml.etree
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import string
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# Munge import path to insert build location for libvirt mod
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sys.path.insert(0, sys.argv[1])
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import libvirt
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# Path to the libvirt API XML file
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xml = sys.argv[2]
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f = open(xml, "r")
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tree = lxml.etree.parse(f)
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verbose = False
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wantenums = []
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wantfunctions = []
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# Phase 1: Identify all functions and enums in public API
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set = tree.xpath('/api/files/file/exports[@type="function"]/@symbol')
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for n in set:
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wantfunctions.append(n)
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set = tree.xpath('/api/files/file/exports[@type="enum"]/@symbol')
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for n in set:
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wantenums.append(n)
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# Phase 2: Identify all classes and methods in the 'libvirt' python module
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gotenums = []
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gottypes = []
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gotfunctions = { "libvirt": [] }
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for name in dir(libvirt):
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if name[0] == '_':
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continue
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thing = getattr(libvirt, name)
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# Special-case libvirtError to deal with python 2.4 difference
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# in Exception class type reporting.
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if type(thing) == int:
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gotenums.append(name)
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elif type(thing) == type or name == "libvirtError":
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gottypes.append(name)
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gotfunctions[name] = []
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elif callable(thing):
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gotfunctions["libvirt"].append(name)
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else:
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pass
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for klassname in gottypes:
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klassobj = getattr(libvirt, klassname)
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for name in dir(klassobj):
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if name[0] == '_':
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continue
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thing = getattr(klassobj, name)
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if callable(thing):
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gotfunctions[klassname].append(name)
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else:
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pass
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# Phase 3: First cut at mapping of C APIs to python classes + methods
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basicklassmap = {}
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for cname in wantfunctions:
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name = cname
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# Some virConnect APIs have stupid names
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if name[0:7] == "virNode" and name[0:13] != "virNodeDevice":
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name = "virConnect" + name[7:]
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if name[0:7] == "virConn" and name[0:10] != "virConnect":
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name = "virConnect" + name[7:]
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# The typed param APIs are only for internal use
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if name[0:14] == "virTypedParams":
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continue
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# These aren't functions, they're callback signatures
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if name in ["virConnectAuthCallbackPtr", "virConnectCloseFunc",
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"virStreamSinkFunc", "virStreamSourceFunc", "virStreamEventCallback",
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"virEventHandleCallback", "virEventTimeoutCallback", "virFreeCallback"]:
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continue
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if name[0:21] == "virConnectDomainEvent" and name[-8:] == "Callback":
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continue
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if name[0:22] == "virConnectNetworkEvent" and name[-8:] == "Callback":
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continue
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# virEvent APIs go into main 'libvirt' namespace not any class
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if name[0:8] == "virEvent":
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if name[-4:] == "Func":
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continue
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basicklassmap[name] = ["libvirt", name, cname]
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else:
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found = False
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# To start with map APIs to classes based on the
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# naming prefix. Mistakes will be fixed in next
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# loop
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for klassname in gottypes:
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klen = len(klassname)
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if name[0:klen] == klassname:
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found = True
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if name not in basicklassmap:
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basicklassmap[name] = [klassname, name[klen:], cname]
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elif len(basicklassmap[name]) < klen:
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basicklassmap[name] = [klassname, name[klen:], cname]
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# Anything which can't map to a class goes into the
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# global namespaces
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if not found:
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basicklassmap[name] = ["libvirt", name[3:], cname]
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# Phase 4: Deal with oh so many special cases in C -> python mapping
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finalklassmap = {}
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for name in sorted(basicklassmap):
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klass = basicklassmap[name][0]
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func = basicklassmap[name][1]
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cname = basicklassmap[name][2]
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# The object lifecycle APIs are irrelevant since they're
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# used inside the object constructors/destructors.
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if func in ["Ref", "Free", "New", "GetConnect", "GetDomain"]:
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if klass == "virStream" and func == "New":
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klass = "virConnect"
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func = "NewStream"
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else:
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continue
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# All the error handling methods need special handling
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if klass == "libvirt":
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if func in ["CopyLastError", "DefaultErrorFunc",
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"ErrorFunc", "FreeError",
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"SaveLastError", "ResetError"]:
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continue
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elif func in ["GetLastError", "GetLastErrorMessage", "ResetLastError", "Initialize"]:
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func = "vir" + func
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elif func == "SetErrorFunc":
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func = "RegisterErrorHandler"
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elif klass == "virConnect":
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if func in ["CopyLastError", "SetErrorFunc"]:
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continue
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elif func in ["GetLastError", "ResetLastError"]:
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func = "virConn" + func
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# Remove 'Get' prefix from most APIs, except those in virConnect
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# and virDomainSnapshot namespaces which stupidly used a different
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# convention which we now can't fix without breaking API
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if func[0:3] == "Get" and klass not in ["virConnect", "virDomainSnapshot", "libvirt"]:
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if func not in ["GetCPUStats"]:
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func = func[3:]
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# The object creation and lookup APIs all have to get re-mapped
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# into the parent class
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if func in ["CreateXML", "CreateLinux", "CreateXMLWithFiles",
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"DefineXML", "CreateXMLFrom", "LookupByUUID",
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"LookupByUUIDString", "LookupByVolume" "LookupByName",
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"LookupByID", "LookupByName", "LookupByKey", "LookupByPath",
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"LookupByMACString", "LookupByUsage", "LookupByVolume",
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"LookupSCSIHostByWWN", "Restore", "RestoreFlags",
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"SaveImageDefineXML", "SaveImageGetXMLDesc"]:
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if klass != "virDomain":
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func = klass[3:] + func
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if klass == "virDomainSnapshot":
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klass = "virDomain"
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func = func[6:]
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elif klass == "virStorageVol" and func in ["StorageVolCreateXMLFrom", "StorageVolCreateXML"]:
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klass = "virStoragePool"
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func = func[10:]
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elif func == "StoragePoolLookupByVolume":
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klass = "virStorageVol"
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elif func == "StorageVolLookupByName":
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klass = "virStoragePool"
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else:
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klass = "virConnect"
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# The open methods get remapped to primary namespace
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if klass == "virConnect" and func in ["Open", "OpenAuth", "OpenReadOnly"]:
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klass = "libvirt"
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# These are inexplicably renamed in the python API
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if func == "ListDomains":
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func = "ListDomainsID"
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elif func == "ListAllNodeDevices":
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func = "ListAllDevices"
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elif func == "ListNodeDevices":
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func = "ListDevices"
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# The virInterfaceChangeXXXX APIs go into virConnect. Stupidly
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# they have lost their 'interface' prefix in names, but we can't
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# fix this name
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if func[0:6] == "Change":
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klass = "virConnect"
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# Need to special case the snapshot APIs
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if klass == "virDomainSnapshot" and func in ["Current", "ListNames", "Num"]:
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klass = "virDomain"
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func = "snapshot" + func
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# Names should start with lowercase letter...
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func = func[0:1].lower() + func[1:]
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if func[0:8] == "nWFilter":
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func = "nwfilter" + func[8:]
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if func[0:8] == "fSFreeze" or func[0:6] == "fSThaw":
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func = "fs" + func[2:]
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# ...except when they don't. More stupid naming
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# decisions we can't fix
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if func == "iD":
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func = "ID"
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if func == "uUID":
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func = "UUID"
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if func == "uUIDString":
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func = "UUIDString"
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if func == "oSType":
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func = "OSType"
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if func == "xMLDesc":
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func = "XMLDesc"
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if func == "mACString":
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func = "MACString"
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finalklassmap[name] = [klass, func, cname]
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# Phase 5: Validate sure that every C API is mapped to a python API
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fail = False
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usedfunctions = {}
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for name in sorted(finalklassmap):
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klass = finalklassmap[name][0]
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func = finalklassmap[name][1]
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if func in gotfunctions[klass]:
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usedfunctions["%s.%s" % (klass, func)] = 1
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if verbose:
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print("PASS %s -> %s.%s" % (name, klass, func))
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else:
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print("FAIL %s -> %s.%s (C API not mapped to python)" % (name, klass, func))
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fail = True
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# Phase 6: Validate that every python API has a corresponding C API
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for klass in gotfunctions:
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if klass == "libvirtError":
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continue
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for func in sorted(gotfunctions[klass]):
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# These are pure python methods with no C APi
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if func in ["connect", "getConnect", "domain", "getDomain"]:
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continue
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key = "%s.%s" % (klass, func)
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if not key in usedfunctions:
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print("FAIL %s.%s (Python API not mapped to C)" % (klass, func))
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fail = True
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else:
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if verbose:
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print("PASS %s.%s" % (klass, func))
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# Phase 7: Validate that all the low level C APIs have binding
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for name in sorted(finalklassmap):
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cname = finalklassmap[name][2]
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pyname = cname
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if pyname == "virSetErrorFunc":
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pyname = "virRegisterErrorHandler"
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elif pyname == "virConnectListDomains":
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pyname = "virConnectListDomainsID"
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# These exist in C and exist in python, but we've got
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# a pure-python impl so don't check them
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if name in ["virStreamRecvAll", "virStreamSendAll"]:
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continue
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try:
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thing = getattr(libvirt.libvirtmod, pyname)
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except AttributeError:
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print("FAIL libvirt.libvirtmod.%s (C binding does not exist)" % pyname)
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fail = True
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if fail:
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sys.exit(1)
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else:
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sys.exit(0)
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