1 # copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
1 # copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
2 # contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
2 # contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
3 # |
3 # |
4 # This file is part of CubicWeb. |
4 # This file is part of CubicWeb. |
5 # |
5 # |
6 # CubicWeb is free software: you can redistribute it and/or modify it under the |
6 # CubicWeb is free software: you can redistribute it and/or modify it under the |
39 |
39 |
40 import sys, os, logging |
40 import sys, os, logging |
41 from StringIO import StringIO |
41 from StringIO import StringIO |
42 |
42 |
43 from logilab.common.logging_ext import set_log_methods |
43 from logilab.common.logging_ext import set_log_methods |
|
44 from yams.constraints import BASE_CONVERTERS |
44 |
45 |
45 |
46 |
46 if os.environ.get('APYCOT_ROOT'): |
47 if os.environ.get('APYCOT_ROOT'): |
47 logging.basicConfig(level=logging.CRITICAL) |
48 logging.basicConfig(level=logging.CRITICAL) |
48 else: |
49 else: |
53 |
54 |
54 set_log_methods(sys.modules[__name__], logging.getLogger('cubicweb')) |
55 set_log_methods(sys.modules[__name__], logging.getLogger('cubicweb')) |
55 |
56 |
56 # make all exceptions accessible from the package |
57 # make all exceptions accessible from the package |
57 from cubicweb._exceptions import * |
58 from cubicweb._exceptions import * |
|
59 from logilab.common.registry import ObjectNotFound, NoSelectableObject, RegistryNotFound |
58 |
60 |
59 # convert eid to the right type, raise ValueError if it's not a valid eid |
61 # convert eid to the right type, raise ValueError if it's not a valid eid |
60 typed_eid = int |
62 typed_eid = int |
61 |
63 |
62 |
64 |
75 def write(self, data): |
77 def write(self, data): |
76 assert isinstance(data, (str, buffer)), \ |
78 assert isinstance(data, (str, buffer)), \ |
77 "Binary objects must use raw strings, not %s" % data.__class__ |
79 "Binary objects must use raw strings, not %s" % data.__class__ |
78 StringIO.write(self, data) |
80 StringIO.write(self, data) |
79 |
81 |
80 def to_file(self, filename): |
82 def to_file(self, fobj): |
81 """write a binary to disk |
83 """write a binary to disk |
82 |
84 |
83 the writing is performed in a safe way for files stored on |
85 the writing is performed in a safe way for files stored on |
84 Windows SMB shares |
86 Windows SMB shares |
85 """ |
87 """ |
86 pos = self.tell() |
88 pos = self.tell() |
87 with open(filename, 'wb') as fobj: |
89 self.seek(0) |
88 self.seek(0) |
90 if sys.platform == 'win32': |
89 if sys.platform == 'win32': |
91 while True: |
90 while True: |
92 # the 16kB chunksize comes from the shutil module |
91 # the 16kB chunksize comes from the shutil module |
93 # in stdlib |
92 # in stdlib |
94 chunk = self.read(16*1024) |
93 chunk = self.read(16*1024) |
95 if not chunk: |
94 if not chunk: |
96 break |
95 break |
97 fobj.write(chunk) |
96 fobj.write(chunk) |
98 else: |
97 else: |
99 fobj.write(self.read()) |
98 fobj.write(self.read()) |
|
99 self.seek(pos) |
100 self.seek(pos) |
100 |
101 |
101 @staticmethod |
102 @staticmethod |
102 def from_file(filename): |
103 def from_file(filename): |
103 """read a file and returns its contents in a Binary |
104 """read a file and returns its contents in a Binary |
118 else: |
119 else: |
119 binary.write(fobj.read()) |
120 binary.write(fobj.read()) |
120 binary.seek(0) |
121 binary.seek(0) |
121 return binary |
122 return binary |
122 |
123 |
|
124 def str_or_binary(value): |
|
125 if isinstance(value, Binary): |
|
126 return value |
|
127 return str(value) |
|
128 BASE_CONVERTERS['Password'] = str_or_binary |
|
129 |
|
130 |
123 |
131 |
124 # use this dictionary to rename entity types while keeping bw compat |
132 # use this dictionary to rename entity types while keeping bw compat |
125 ETYPE_NAME_MAP = {} |
133 ETYPE_NAME_MAP = {} |
126 |
134 |
127 # XXX cubic web cube migration map. See if it's worth keeping this mecanism |
135 # XXX cubic web cube migration map. See if it's worth keeping this mecanism |