15
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
# TODO: Maybe store inventory_id in the file? Not really needed.
18
21
# This should really be an id randomly assigned when the tree is
19
22
# created, but it's not for now.
20
23
ROOT_ID = "TREE_ROOT"
23
26
import sys, os.path, types, re
26
30
from cElementTree import Element, ElementTree, SubElement
27
31
except ImportError:
28
32
from elementtree.ElementTree import Element, ElementTree, SubElement
30
from bzrlib.xml import XMLMixin
31
from bzrlib.errors import BzrError, BzrCheckError
34
from xml import XMLMixin
35
from errors import bailout, BzrError
34
38
from bzrlib.osutils import uuid, quotefn, splitpath, joinpath, appendpath
68
72
>>> i.add(InventoryEntry('2323', 'bye.c', 'file', '123'))
69
73
Traceback (most recent call last):
71
BzrError: inventory already contains entry with id {2323}
75
BzrError: ('inventory already contains entry with id {2323}', [])
72
76
>>> i.add(InventoryEntry('2324', 'bye.c', 'file', '123'))
73
77
>>> i.add(InventoryEntry('2325', 'wibble', 'directory', '123'))
74
78
>>> i.path2id('src/wibble')
98
102
# TODO: split InventoryEntry into subclasses for files,
99
103
# directories, etc etc.
104
105
def __init__(self, file_id, name, kind, parent_id, text_id=None):
105
106
"""Create an InventoryEntry
115
116
>>> e = InventoryEntry('123', 'src/hello.c', 'file', ROOT_ID)
116
117
Traceback (most recent call last):
117
BzrCheckError: InventoryEntry name 'src/hello.c' is invalid
118
BzrError: ("InventoryEntry name is not a simple filename: 'src/hello.c'", [])
119
if '/' in name or '\\' in name:
120
raise BzrCheckError('InventoryEntry name %r is invalid' % name)
121
if len(splitpath(name)) != 1:
122
bailout('InventoryEntry name is not a simple filename: %r'
122
125
self.file_id = file_id
125
128
self.text_id = text_id
126
129
self.parent_id = parent_id
130
self.text_sha1 = None
131
self.text_size = None
127
132
if kind == 'directory':
128
133
self.children = {}
129
134
elif kind == 'file':
144
149
self.parent_id, text_id=self.text_id)
145
150
other.text_sha1 = self.text_sha1
146
151
other.text_size = self.text_size
147
# note that children are *not* copied; they're pulled across when
211
214
from_element = classmethod(from_element)
213
def __eq__(self, other):
216
def __cmp__(self, other):
214
219
if not isinstance(other, InventoryEntry):
215
220
return NotImplemented
217
return (self.file_id == other.file_id) \
218
and (self.name == other.name) \
219
and (self.text_sha1 == other.text_sha1) \
220
and (self.text_size == other.text_size) \
221
and (self.text_id == other.text_id) \
222
and (self.parent_id == other.parent_id) \
223
and (self.kind == other.kind)
226
def __ne__(self, other):
227
return not (self == other)
230
raise ValueError('not hashable')
222
return cmp(self.file_id, other.file_id) \
223
or cmp(self.name, other.name) \
224
or cmp(self.text_sha1, other.text_sha1) \
225
or cmp(self.text_size, other.text_size) \
226
or cmp(self.text_id, other.text_id) \
227
or cmp(self.parent_id, other.parent_id) \
228
or cmp(self.kind, other.kind)
239
237
self.parent_id = None
242
def __eq__(self, other):
240
def __cmp__(self, other):
243
243
if not isinstance(other, RootEntry):
244
244
return NotImplemented
246
return (self.file_id == other.file_id) \
247
and (self.children == other.children)
245
return cmp(self.file_id, other.file_id) \
246
or cmp(self.children, other.children)
294
## TODO: Make sure only canonical filenames are stored.
296
## TODO: Do something sensible about the possible collisions on
297
## case-losing filesystems. Perhaps we should just always forbid
300
## TODO: No special cases for root, rather just give it a file id
301
## like everything else.
303
## TODO: Probably change XML serialization to use nesting rather
304
## than parent_id pointers.
306
## TODO: Perhaps hold the ElementTree in memory and work directly
307
## on that rather than converting into Python objects every time?
294
309
def __init__(self):
295
310
"""Create or read an inventory.
329
344
if ie.kind == 'directory':
330
345
for cn, cie in self.iter_entries(from_dir=ie.file_id):
331
346
yield os.path.join(name, cn), cie
335
"""Return list of (path, ie) for all entries except the root.
337
This may be faster than iter_entries.
350
def directories(self):
351
"""Return (path, entry) pairs for all directories.
340
def descend(dir_ie, dir_path):
341
kids = dir_ie.children.items()
343
for name, ie in kids:
344
child_path = os.path.join(dir_path, name)
345
accum.append((child_path, ie))
353
def descend(parent_ie):
354
parent_name = parent_ie.name
355
yield parent_name, parent_ie
357
# directory children in sorted order
359
for ie in parent_ie.children.itervalues():
346
360
if ie.kind == 'directory':
347
descend(ie, child_path)
349
descend(self.root, '')
353
def directories(self):
354
"""Return (path, entry) pairs for all directories, including the root.
357
def descend(parent_ie, parent_path):
358
accum.append((parent_path, parent_ie))
361
dn.append((ie.name, ie))
360
kids = [(ie.name, ie) for ie in parent_ie.children.itervalues() if ie.kind == 'directory']
364
for name, child_ie in dn:
365
for sub_name, sub_ie in descend(child_ie):
366
yield appendpath(parent_name, sub_name), sub_ie
363
for name, child_ie in kids:
364
child_path = os.path.join(parent_path, name)
365
descend(child_ie, child_path)
366
descend(self.root, '')
368
for name, ie in descend(self.root):
389
391
>>> inv['123123'].name
395
raise BzrError("can't look up file_id None")
393
398
return self._byid[file_id]
396
raise BzrError("can't look up file_id None")
398
raise BzrError("file_id {%s} not in inventory" % file_id)
401
def get_file_kind(self, file_id):
402
return self._byid[file_id].kind
400
raise BzrError("file_id {%s} not in inventory" % file_id)
404
403
def get_child(self, parent_id, filename):
405
404
return self[parent_id].children.get(filename)
411
410
To add a file to a branch ready to be committed, use Branch.add,
412
411
which calls this."""
413
412
if entry.file_id in self._byid:
414
raise BzrError("inventory already contains entry with id {%s}" % entry.file_id)
413
bailout("inventory already contains entry with id {%s}" % entry.file_id)
417
416
parent = self._byid[entry.parent_id]
419
raise BzrError("parent_id {%s} not in inventory" % entry.parent_id)
418
bailout("parent_id {%s} not in inventory" % entry.parent_id)
421
420
if parent.children.has_key(entry.name):
422
raise BzrError("%s is already versioned" %
421
bailout("%s is already versioned" %
423
422
appendpath(self.id2path(parent.file_id), entry.name))
425
424
self._byid[entry.file_id] = entry
432
431
The immediate parent must already be versioned"""
433
432
parts = bzrlib.osutils.splitpath(relpath)
434
433
if len(parts) == 0:
435
raise BzrError("cannot re-add root of inventory")
434
bailout("cannot re-add root of inventory")
437
436
if file_id == None:
438
437
file_id = bzrlib.branch.gen_file_id(relpath)
515
521
if not isinstance(other, Inventory):
516
522
return NotImplemented
518
if len(self._byid) != len(other._byid):
519
# shortcut: obviously not the same
522
return self._byid == other._byid
525
def __ne__(self, other):
526
return not (self == other)
530
raise ValueError('not hashable')
524
if self.id_set() ^ other.id_set():
527
for file_id in self._byid:
528
c = cmp(self[file_id], other[file_id])
534
534
def get_idpath(self, file_id):
605
605
This does not move the working file."""
606
606
if not is_valid_name(new_name):
607
raise BzrError("not an acceptable filename: %r" % new_name)
607
bailout("not an acceptable filename: %r" % new_name)
609
609
new_parent = self._byid[new_parent_id]
610
610
if new_name in new_parent.children:
611
raise BzrError("%r already exists in %r" % (new_name, self.id2path(new_parent_id)))
611
bailout("%r already exists in %r" % (new_name, self.id2path(new_parent_id)))
613
613
new_parent_idpath = self.get_idpath(new_parent_id)
614
614
if file_id in new_parent_idpath:
615
raise BzrError("cannot move directory %r into a subdirectory of itself, %r"
615
bailout("cannot move directory %r into a subdirectory of itself, %r"
616
616
% (self.id2path(file_id), self.id2path(new_parent_id)))
618
618
file_ie = self._byid[file_id]