1 # (Be in -*- python -*- mode.)
3 # ====================================================================
4 # Copyright (c) 2000-2009 CollabNet. All rights reserved.
6 # This software is licensed as described in the file COPYING, which
7 # you should have received as part of this distribution. The terms
8 # are also available at http://subversion.tigris.org/license-1.html.
9 # If newer versions of this license are posted there, you may use a
10 # newer version instead, at your option.
12 # This software consists of voluntary contributions made by many
13 # individuals. For exact contribution history, see the revision
14 # history and logs, available at http://cvs2svn.tigris.org/.
15 # ====================================================================
17 """Walk through a CVS project, generating CVSPaths."""
23 from cvs2svn_lib
.common
import FatalError
24 from cvs2svn_lib
.common
import warning_prefix
25 from cvs2svn_lib
.common
import IllegalSVNPathError
26 from cvs2svn_lib
.common
import verify_svn_filename_legal
27 from cvs2svn_lib
.log
import Log
28 from cvs2svn_lib
.context
import Ctx
29 from cvs2svn_lib
.project
import FileInAndOutOfAtticException
30 from cvs2svn_lib
.cvs_path
import CVSDirectory
31 from cvs2svn_lib
.cvs_path
import CVSFile
34 class _RepositoryWalker(object):
35 def __init__(self
, file_key_generator
, error_handler
):
36 self
.file_key_generator
= file_key_generator
37 self
.error_handler
= error_handler
40 self
, parent_directory
, basename
,
41 file_in_attic
=False, leave_in_attic
=False,
43 """Return a CVSFile describing the file with name BASENAME.
45 PARENT_DIRECTORY is the CVSDirectory instance describing the
46 directory that physically holds this file in the filesystem.
47 BASENAME must be the base name of a *,v file within
50 FILE_IN_ATTIC is a boolean telling whether the specified file is
51 in an Attic subdirectory. If FILE_IN_ATTIC is True, then:
53 - If LEAVE_IN_ATTIC is True, then leave the 'Attic' component in
56 - Otherwise, raise FileInAndOutOfAtticException if a file with the
57 same filename appears outside of Attic.
59 The CVSFile is assigned a new unique id. All of the CVSFile
60 information is filled in except mode (which can only be determined
63 Raise FatalError if the resulting filename would not be legal in
66 filename
= os
.path
.join(parent_directory
.filename
, basename
)
68 verify_svn_filename_legal(basename
[:-2])
69 except IllegalSVNPathError
, e
:
71 'File %r would result in an illegal SVN filename: %s'
75 if file_in_attic
and not leave_in_attic
:
77 logical_parent_directory
= parent_directory
.parent_directory
79 # If this file also exists outside of the attic, it's a fatal
81 non_attic_filename
= os
.path
.join(
82 logical_parent_directory
.filename
, basename
,
84 if os
.path
.exists(non_attic_filename
):
85 raise FileInAndOutOfAtticException(non_attic_filename
, filename
)
88 logical_parent_directory
= parent_directory
90 file_stat
= os
.stat(filename
)
92 # The size of the file in bytes:
93 file_size
= file_stat
[stat
.ST_SIZE
]
95 # Whether or not the executable bit is set:
96 file_executable
= bool(file_stat
[0] & stat
.S_IXUSR
)
98 # mode is not known, so we temporarily set it to None.
100 self
.file_key_generator
.gen_id(),
101 parent_directory
.project
, logical_parent_directory
, basename
[:-2],
102 in_attic
, file_executable
, file_size
, None, None
105 def _get_attic_file(self
, parent_directory
, basename
):
106 """Return a CVSFile object for the Attic file at BASENAME.
108 PARENT_DIRECTORY is the CVSDirectory that physically contains the
109 file on the filesystem (i.e., the Attic directory). It is not
110 necessarily the parent_directory of the CVSFile that will be
113 Return CVSFile, whose parent directory is usually
114 PARENT_DIRECTORY.parent_directory, but might be PARENT_DIRECTORY
115 iff CVSFile will remain in the Attic directory."""
118 return self
._get
_cvs
_file
(
119 parent_directory
, basename
, file_in_attic
=True,
121 except FileInAndOutOfAtticException
, e
:
122 if Ctx().retain_conflicting_attic_files
:
125 " storing the latter into 'Attic' subdirectory.\n"
126 % (warning_prefix
, e
)
129 self
.error_handler(str(e
))
131 # Either way, return a CVSFile object so that the rest of the
132 # file processing can proceed:
133 return self
._get
_cvs
_file
(
134 parent_directory
, basename
, file_in_attic
=True, leave_in_attic
=True,
137 def _generate_attic_cvs_files(self
, cvs_directory
):
138 """Generate CVSFiles for the files in Attic directory CVS_DIRECTORY.
140 Also yield CVS_DIRECTORY if any files are being retained in the
143 retained_attic_files
= []
145 fnames
= os
.listdir(cvs_directory
.filename
)
148 pathname
= os
.path
.join(cvs_directory
.filename
, fname
)
149 if os
.path
.isdir(pathname
):
150 Log().warn("Directory %s found within Attic; ignoring" % (pathname
,))
151 elif fname
.endswith(',v'):
152 cvs_file
= self
._get
_attic
_file
(cvs_directory
, fname
)
153 if cvs_file
.parent_directory
== cvs_directory
:
154 # This file will be retained in the Attic directory.
155 retained_attic_files
.append(cvs_file
)
157 # This is a normal Attic file, which is treated as if it
158 # were located one directory up:
161 if retained_attic_files
:
162 # There was at least one file in the attic that will be retained
163 # in the attic. First include the Attic directory itself in the
164 # output, then the retained attic files:
166 for cvs_file
in retained_attic_files
:
169 def generate_cvs_paths(self
, cvs_directory
):
170 """Generate the CVSPaths under non-Attic directory CVS_DIRECTORY.
172 Yield CVSDirectory and CVSFile instances as they are found.
173 Process directories recursively, including Attic directories.
174 Also look for conflicts between the filenames that will result
175 from files, attic files, and subdirectories."""
179 # Map {cvs_file.basename : cvs_file.filename} for files directly
185 # Non-Attic subdirectories of cvs_directory (to be recursed into):
188 fnames
= os
.listdir(cvs_directory
.filename
)
191 pathname
= os
.path
.join(cvs_directory
.filename
, fname
)
192 if os
.path
.isdir(pathname
):
197 elif fname
.endswith(',v'):
198 cvs_file
= self
._get
_cvs
_file
(cvs_directory
, fname
)
199 rcsfiles
[cvs_file
.basename
] = cvs_file
.filename
202 # Silently ignore other files:
205 # Map {cvs_file.basename : cvs_file.filename} for files in an
206 # Attic directory within cvs_directory:
209 if attic_dir
is not None:
210 attic_directory
= CVSDirectory(
211 self
.file_key_generator
.gen_id(),
212 cvs_directory
.project
, cvs_directory
, 'Attic',
215 for cvs_path
in self
._generate
_attic
_cvs
_files
(attic_directory
):
216 if isinstance(cvs_path
, CVSFile
) \
217 and cvs_path
.parent_directory
== cvs_directory
:
218 attic_rcsfiles
[cvs_path
.basename
] = cvs_path
.filename
222 alldirs
= dirs
+ [attic_dir
]
226 # Check for conflicts between directory names and the filenames
227 # that will result from the rcs files (both in this directory and
228 # in attic). (We recurse into the subdirectories nevertheless, to
229 # try to detect more problems.)
230 for fname
in alldirs
:
231 pathname
= os
.path
.join(cvs_directory
.filename
, fname
)
232 for rcsfile_list
in [rcsfiles
, attic_rcsfiles
]:
233 if fname
in rcsfile_list
:
235 'Directory name conflicts with filename. Please remove or '
237 'of the following:\n'
240 % (pathname
, rcsfile_list
[fname
],)
243 # Now recurse into the other subdirectories:
245 dirname
= os
.path
.join(cvs_directory
.filename
, fname
)
247 # Verify that the directory name does not contain any illegal
250 verify_svn_filename_legal(fname
)
251 except IllegalSVNPathError
, e
:
253 'Directory %r would result in an illegal SVN path name: %s'
257 sub_directory
= CVSDirectory(
258 self
.file_key_generator
.gen_id(),
259 cvs_directory
.project
, cvs_directory
, fname
,
262 for cvs_path
in self
.generate_cvs_paths(sub_directory
):
266 def walk_repository(project
, file_key_generator
, error_handler
):
267 """Generate CVSDirectories and CVSFiles within PROJECT.
269 Use FILE_KEY_GENERATOR to generate the IDs used for files. If there
270 is a fatal error, register it by calling ERROR_HANDLER with a string
271 argument describing the problem. (The error will be logged but
272 processing will continue through the end of the pass.) Also:
274 * Set PROJECT.root_cvs_directory_id.
276 * Handle files in the Attic by generating CVSFile instances with the
277 _in_attic member set.
279 * Check for naming conflicts that will result from files in and out
280 of the Attic. If Ctx().retain_conflicting_attic_files is set, fix
281 the conflicts by leaving the Attic file in the attic. Otherwise,
282 register a fatal error.
284 * Check for naming conflicts between files (in or out of the Attic)
287 * Check for filenames that contain characters not allowed by
292 root_cvs_directory
= CVSDirectory(
293 file_key_generator
.gen_id(), project
, None, ''
295 project
.root_cvs_directory_id
= root_cvs_directory
.id
296 repository_walker
= _RepositoryWalker(file_key_generator
, error_handler
)
297 for cvs_path
in repository_walker
.generate_cvs_paths(root_cvs_directory
):