snose

Check-in [5dee798315]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:I give in - switch to spaces instead of tabs
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk | master
Files: files | file ages | folders
SHA3-256: 5dee7983158aa73cca92b38567f699d5fff9c3894a4eaf365f8709c3b1d1c13d
User & Date: simon 2018-10-13 10:57:10
Context
2018-10-13
12:03
Fixes from 1fe8adea90

Blindly copy/pasted. Some were name not filename check-in: 2f57297d12 user: simon tags: trunk, master

10:57
I give in - switch to spaces instead of tabs check-in: 5dee798315 user: simon tags: trunk, master
10:40
More Python 3 and 2 compatibility - UTF-8 write files

I suspect I didn't get everything quite as good as I could in simplenote.py I
wish Python 2 would go away - it's so messy trying to do both. check-in: 1fe8adea90 user: simon tags: trunk, master

Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to snose.py.

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
import simplenote #Need to install this
import os.path, time
from optparse import OptionParser
import netrc
import re

def main():
	parser = OptionParser()
	parser.add_option("--snort", action="store", type="string", help="Import a new file SNORT to Simplenote")
	parser.add_option("--sniff", action="store", nargs=1, type="string", help="Link a file with an already existing note in  Simplenote", metavar="<key> <filename>")
	parser.add_option("--sneeze", action="store", nargs=1, type="string", help="Export an existing file from Simplenote", metavar="<key> <filename>")
	parser.add_option("--blow", action="store", type="string", help="Roll back note of key BLOW to previous version")
	parser.add_option("--sync", help="Sync files in index", default=False, action='store_true')
	parser.add_option("--hanky", help="Use with --sync to perform a dry run", default=False, action='store_true')
	parser.add_option("--snot", help="List notes available for export (tagged snose)", default=False, action='store_true')
	parser.add_option("--file", help="Filename for snort, sniff, sneeze", default=None, action='store')
	parser.add_option("--username", action="store", type="string", help="Your Simplenote email address")
	parser.add_option("--password", action="store", type="string", help="Your Simplenote password")
	(options, args) = parser.parse_args()

	if not options.username or not options.password:
		#Check to see if stored somewhere
		try:
			options.username = netrc.netrc().authenticators("simple-note.appspot.com")[0]
			options.password = netrc.netrc().authenticators("simple-note.appspot.com")[2]
		except IOError as e:
			print('Username and password must be supplied or exist .netrc file under domain of simple-note.appspot.com')
			exit()
	snclient = simplenote.Simplenote(options.username, options.password)
	if options.snort:
		if options.file is None:
			print('--file required')
			exit
		snort(snclient, options.file)
	elif options.sniff:
		if options.filename is None:
			print('--file required')
			exit
		sniff(snclient, options.sniff, options.file)
	elif options.sneeze:
		sneeze(snclient, options.sneeze, options.file)
	elif options.blow:
		blow(snclient, options.blow)
	elif options.snot:
		snot(snclient)
	elif options.sync and options.hanky:
		sync(snclient, True)
	elif options.sync:
		sync(snclient)
	else:
		print('No options supplied')


def snort(snclient,filename): 
	# Add a new mapping, is actually add a new file
	try: #http://stackoverflow.com/questions/82831/how-do-i-check-if-a-file-exists-using-python#85237
		with open('.snose', 'r') as f:
			snose = json.load(f)
	except IOError as e:
		#Doesn't exist so create new
		snose = {}
	#Add new file to Simplenote
	#Need to get file contents
	try:
		with open(filename, 'r') as f:
			content = f.read()
	except IOError as e:
		print("Failed to read file %s" % filename)
	else:
		try:
			returned = snclient.add_note({"content": content, "tags": ["snose"]})
			print("Imported %s into Simplenote with key %s" % (filename, returned[0]['key']))
		except IOError as e:
			print("Failed to add note to Simplenote")
			print(e)
		else:
			#Add mapping
			snose[filename] = {'key': returned[0]['key'], 'version': returned[0]['version'], 'modifydate': float(os.path.getmtime(filename)) } #Use actual file mod date
			try:
				#Write back out
				with open('.snose', 'w') as f:
					json.dump(snose, f, indent=2)
			except IOError as e:
				print("Failed to update .snose index file")
				#But note was added to Simplenote so?
				print("But note was successfully imported to Simplenote with key %s. Try sniffing the file" % returned[0]['key'])


def sniff(snclient,key, filename): #How to ensure remote gets or has snose tag?
	# Add a new mapping only
	try:
		with open('.snose', 'r') as f:
			snose = json.load(f)
	except IOError as e:
		#Assuming doesn't exist so create new
		snose = {}
	#Get details about current Simplenote file
	try:
		remote = snclient.get_note(key)
		#What if can't be found, need to abort...
	except IOError as e:
		print("Failed to find that note on Simplenote")
		print(e)
	else:
		try:
			#Add mapping
			snose[filename] = {'key': remote[0]['key'], 'version': remote[0]['version'], 'modifydate': float(os.path.getmtime(filename)) }
			#Write back out
			with open('.snose', 'w') as f:
				json.dump(snose, f, indent=2)
		except IOError as e:
			print("Failed to update .snose index file")
			#Don't need to do anything else)


def sneeze(snclient, key, filename):
	#place an existing note in current directory
	try:
		with open('.snose', 'r') as f:
			snose = json.load(f)
	except IOError as e:
		#Doesn't exist so create new
		snose = {}
	#Get remote note
	try:
		remote = snclient.get_note(key)	
	except IOerror as e:
		print("Failed to find that note on Simplenote")
		print(e)
	else:
		#Write file
		#If no filename supplied try to figure out from first three lines of file itself
		if filename is None:
			firstlines = remote[0]['content'].splitlines()[:3]
			for line in firstlines:
				try:
					filename = re.search(r'file:(\S+)\s', line).group(1)
				except IndexError:
					pass
				except AttributeError:
					pass
			if filename is None:
				print("Failed to identify filename within note, please provide on command line")
				exit
		filename = os.path.expanduser(filename)
		try:
			if sys.version_info < (3, 0):
				with open(filename, 'w') as f:
					f.write(remote[0]['content'].encode("utf-8"))
			else:
				with open(filename, 'w', encoding="utf-8") as f:
					f.write(remote[0]['content'])
		except IOError as e:
			print("Failed to create local copy of that note")
			print(e)
		else:
			#Update index
			try:
				snose[filename] = {'key': remote[0]['key'], 'version': remote[0]['version'], 'modifydate': float(os.path.getmtime(filename)) } #Need to set as local modified date as otherwise will want to sync it straight away.
				#Write back out
				with open('.snose', 'w') as f:
					json.dump(snose, f, indent=2)
			except IOError as e:
				print("Failed to update .snose index file")
				print("But note was created locally. Try sniffing the file to add it to the index.")


def blow(snclient, key):
	#With given key from .snose file, roll back to the previous version

	#1) Check exists in .snose index
	#2) Get previous version of remote
	#3) Write it out locally
	#4) Use that to update remote
	#5) Update index file with results

	#1) Check exists in .snose index
	try:
		with open('.snose', 'r') as f:
			snose = json.load(f)
		#Need to get filename of note, loop through, performance should be fine as .snose likely to be small
		if sys.version_info < (3, 0):
			sitems = snose.iteritems()
		else:
			sitems = snose.items()
		filename = [name for name, local in sitems if local['key'] == key][0]

		print("Attempting to rollback file %s" % filename)
	except IOError as e:
		print("Note doesn't exist in local .snose index")
	else:
		#2) Get previous version of remote
		try:
			#fetch once to know version
			remote = snclient.get_note(key)
			rollback = snclient.get_note(key, remote[0]['version']-1)
		except IOError as e:
			print("Failed to fetch previous version")
		else:
			try: 
				#3) Write it out locally
				if sys.version_info < (3, 0):
					with open(filename, 'w') as f:
						f.write(rollback[0]['content'].encode("utf-8"))
				else:
					with open(filename, 'w', encoding="utf-8") as f:
						f.write(rollback[0]['content'])
				print("Rolled back local copy")
			except IOError as e:
				print("Failed to rollback local copy of that note")
				print(e)
			else:
				#Since rollback doesn't include full meta data, update remote accordingly
				try:
					del remote[0]['version']
				except KeyError:
					pass
				finally:
					#Set modified date
					sysmodifydate = float(os.path.getmtime(filename))
					remote[0]['modifydate'] = sysmodifydate
					remote[0]['content'] = rollback[0]['content']
					#4) Use that to update remote
					try:
						returned = snclient.update_note(remote[0])
						print("Rolled back remote version")
					except IOError as e:
						print("Failed to roll back remote version")
					else:
						#Get returned metadata
						snose[filename]['version'] = returned[0]['version']
						snose[filename]['modifydate'] = sysmodifydate
						try:
							#5) Update index file with results
							with open('.snose', 'w') as f:
								json.dump(snose, f, indent=2)
						except IOError as e:
							 print("Failed to update .snose index file")
							 print("Try running a sync to get index corrected.")


def snot(snclient):
	#List simplenote notes tagged with "snose"
	notelist = snclient.get_note_list()
	#That gets list of keys. Then need to iterate through and get first line of text.
	#This is going to be slow.
	print("Key:                               \tNote")
	for note in notelist[0]:
		if ("snose" in note['tags']) & (int(note['deleted']) != 1):
			#get note itself
			remote = snclient.get_note(note['key'])
			print(remote[0]['key']  + " \t" + remote[0]['content'].splitlines()[0])


def sync(snclient, dry=False):
	#Need to read in mappings and sync those notes.
	dryremotes = []
	try:
		with open('.snose', 'r') as f:
			snose = json.load(f)
	except IOError as e:
		print('Error reading Index file')
	else:
		#Need to iterate through list.
		if sys.version_info < (3, 0):
			sitems = snose.iteritems()
		else:
			sitems = snose.items()
		for name, local in sitems:
			#First of all check for local modifications
			sysmodifydate = float(os.path.getmtime(name))
			if sysmodifydate > float(local['modifydate']): #ensure full timestamp
				if not dry:
				#Update remote
					try:
						with open(name, 'r') as f:
							content = f.read()
					except IOError as e:
						print("Failed to read local note %s" % name)
						print("Skipping synchronisation for this note")
					else:
						try:
							returned = snclient.update_note({'key': local['key'], 'version': local['version'], 'content': content, 'modifydate': sysmodifydate })
							print("Updated remote version of %s" % name)
						except IOError as e:
							print("Failed to update remote verison of local note %s" % name)
						else:
							#Get returned metadata
							snose[name]['version'] = returned[0]['version']
							snose[name]['modifydate'] = sysmodifydate #Use local value to avoid differences in accuracy (decimal places. etc) between local and remote timestamps
							#Update local file if merged content
							if 'content' in returned[0]:
								try:
									if sys.version_info < (3, 0):
										with open(filename, 'w') as f:
											f.write(returned[0]['content'].encode("utf-8"))
									else:
										with open(filename, 'w', encoding="utf-8") as f:
											f.write(returned[0]['content'])
									print("Merged local content for %s" % name)
									#Override the returned value? As otherwise next sync will immediately update the remote version for no reason.
									snose[name]['modifydate'] = os.path.getmtime(name) 
								except IOError as e:
									print("Failed to merge content locally for %s" % name)
									print("Therefore skipping updating the index for this note")#I think this is a good idea?
							#Update the index file
							try:
								with open('.snose', 'w') as f:
									json.dump(snose, f, indent=2)
							except IOError as e:
								print("Failed to update index for changes regarding local file %s" % name)
								print("But remote and local copy of the file itself have been updated.")
								#What now? I don't know.
				elif dry:
					print("Updated remote version of %s" % name)
					#For dry run, collect list of "updated remotes" to ignore in local updates
					dryremotes.append(name)
			#Fetch details from Simplenote
			try:
				remote = snclient.get_note(local['key'])
			except IOError as e:
				print("Failed to fetch remote copy of note %s" % name)
				print("Skipping synchronisation for this file")
			else:
				if remote[0]['version'] > local['version']:
					if not dry:
						try: 
							if sys.version_info < (3, 0):
								with open(name, 'w') as f:
									f.write(remote[0]['content'].encode("utf-8"))
							else:
								with open(filename, 'w', encoding="utf-8") as f:
									f.write(remote[0]['content'])
							print("Updated local version of %s" % name)
						except IOError as e:
							print("Failed to update local note %s with remote content" % name)
							print("Will not updatet the .snose index file for this file")
						else:
							#Also update .snose index
							snose[name]['version'] = remote[0]['version']
							snose[name]['modifydate'] = os.path.getmtime(name) #As if set remote modify date, local file will immediately appear 'modified'
							try:
								with open('.snose', 'w') as f:
									json.dump(snose, f, indent=2)
							except IOError as e:
								print("Failed to update index")
								print("But local copy of the file %s has been updated with remote changes" % name)
							#Some feedback
					elif (dry and (not (name in dryremotes))):
						print("Updated local version of %s" % name)


main()







|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
import simplenote #Need to install this
import os.path, time
from optparse import OptionParser
import netrc
import re

def main():
    parser = OptionParser()
    parser.add_option("--snort", action="store", type="string", help="Import a new file SNORT to Simplenote")
    parser.add_option("--sniff", action="store", nargs=1, type="string", help="Link a file with an already existing note in  Simplenote", metavar="<key> <filename>")
    parser.add_option("--sneeze", action="store", nargs=1, type="string", help="Export an existing file from Simplenote", metavar="<key> <filename>")
    parser.add_option("--blow", action="store", type="string", help="Roll back note of key BLOW to previous version")
    parser.add_option("--sync", help="Sync files in index", default=False, action='store_true')
    parser.add_option("--hanky", help="Use with --sync to perform a dry run", default=False, action='store_true')
    parser.add_option("--snot", help="List notes available for export (tagged snose)", default=False, action='store_true')
    parser.add_option("--file", help="Filename for snort, sniff, sneeze", default=None, action='store')
    parser.add_option("--username", action="store", type="string", help="Your Simplenote email address")
    parser.add_option("--password", action="store", type="string", help="Your Simplenote password")
    (options, args) = parser.parse_args()

    if not options.username or not options.password:
        #Check to see if stored somewhere
        try:
            options.username = netrc.netrc().authenticators("simple-note.appspot.com")[0]
            options.password = netrc.netrc().authenticators("simple-note.appspot.com")[2]
        except IOError as e:
            print('Username and password must be supplied or exist .netrc file under domain of simple-note.appspot.com')
            exit()
    snclient = simplenote.Simplenote(options.username, options.password)
    if options.snort:
        if options.file is None:
            print('--file required')
            exit
        snort(snclient, options.file)
    elif options.sniff:
        if options.filename is None:
            print('--file required')
            exit
        sniff(snclient, options.sniff, options.file)
    elif options.sneeze:
        sneeze(snclient, options.sneeze, options.file)
    elif options.blow:
        blow(snclient, options.blow)
    elif options.snot:
        snot(snclient)
    elif options.sync and options.hanky:
        sync(snclient, True)
    elif options.sync:
        sync(snclient)
    else:
        print('No options supplied')


def snort(snclient,filename): 
    # Add a new mapping, is actually add a new file
    try: #http://stackoverflow.com/questions/82831/how-do-i-check-if-a-file-exists-using-python#85237
        with open('.snose', 'r') as f:
            snose = json.load(f)
    except IOError as e:
        #Doesn't exist so create new
        snose = {}
    #Add new file to Simplenote
    #Need to get file contents
    try:
        with open(filename, 'r') as f:
            content = f.read()
    except IOError as e:
        print("Failed to read file %s" % filename)
    else:
        try:
            returned = snclient.add_note({"content": content, "tags": ["snose"]})
            print("Imported %s into Simplenote with key %s" % (filename, returned[0]['key']))
        except IOError as e:
            print("Failed to add note to Simplenote")
            print(e)
        else:
            #Add mapping
            snose[filename] = {'key': returned[0]['key'], 'version': returned[0]['version'], 'modifydate': float(os.path.getmtime(filename)) } #Use actual file mod date
            try:
                #Write back out
                with open('.snose', 'w') as f:
                    json.dump(snose, f, indent=2)
            except IOError as e:
                print("Failed to update .snose index file")
                #But note was added to Simplenote so?
                print("But note was successfully imported to Simplenote with key %s. Try sniffing the file" % returned[0]['key'])


def sniff(snclient,key, filename): #How to ensure remote gets or has snose tag?
    # Add a new mapping only
    try:
        with open('.snose', 'r') as f:
            snose = json.load(f)
    except IOError as e:
        #Assuming doesn't exist so create new
        snose = {}
    #Get details about current Simplenote file
    try:
        remote = snclient.get_note(key)
        #What if can't be found, need to abort...
    except IOError as e:
        print("Failed to find that note on Simplenote")
        print(e)
    else:
        try:
            #Add mapping
            snose[filename] = {'key': remote[0]['key'], 'version': remote[0]['version'], 'modifydate': float(os.path.getmtime(filename)) }
            #Write back out
            with open('.snose', 'w') as f:
                json.dump(snose, f, indent=2)
        except IOError as e:
            print("Failed to update .snose index file")
            #Don't need to do anything else)


def sneeze(snclient, key, filename):
    #place an existing note in current directory
    try:
        with open('.snose', 'r') as f:
            snose = json.load(f)
    except IOError as e:
        #Doesn't exist so create new
        snose = {}
    #Get remote note
    try:
        remote = snclient.get_note(key) 
    except IOerror as e:
        print("Failed to find that note on Simplenote")
        print(e)
    else:
        #Write file
        #If no filename supplied try to figure out from first three lines of file itself
        if filename is None:
            firstlines = remote[0]['content'].splitlines()[:3]
            for line in firstlines:
                try:
                    filename = re.search(r'file:(\S+)\s', line).group(1)
                except IndexError:
                    pass
                except AttributeError:
                    pass
            if filename is None:
                print("Failed to identify filename within note, please provide on command line")
                exit
        filename = os.path.expanduser(filename)
        try:
            if sys.version_info < (3, 0):
                with open(filename, 'w') as f:
                    f.write(remote[0]['content'].encode("utf-8"))
            else:
                with open(filename, 'w', encoding="utf-8") as f:
                    f.write(remote[0]['content'])
        except IOError as e:
            print("Failed to create local copy of that note")
            print(e)
        else:
            #Update index
            try:
                snose[filename] = {'key': remote[0]['key'], 'version': remote[0]['version'], 'modifydate': float(os.path.getmtime(filename)) } #Need to set as local modified date as otherwise will want to sync it straight away.
                #Write back out
                with open('.snose', 'w') as f:
                    json.dump(snose, f, indent=2)
            except IOError as e:
                print("Failed to update .snose index file")
                print("But note was created locally. Try sniffing the file to add it to the index.")


def blow(snclient, key):
    #With given key from .snose file, roll back to the previous version

    #1) Check exists in .snose index
    #2) Get previous version of remote
    #3) Write it out locally
    #4) Use that to update remote
    #5) Update index file with results

    #1) Check exists in .snose index
    try:
        with open('.snose', 'r') as f:
            snose = json.load(f)
        #Need to get filename of note, loop through, performance should be fine as .snose likely to be small
        if sys.version_info < (3, 0):
            sitems = snose.iteritems()
        else:
            sitems = snose.items()
        filename = [name for name, local in sitems if local['key'] == key][0]

        print("Attempting to rollback file %s" % filename)
    except IOError as e:
        print("Note doesn't exist in local .snose index")
    else:
        #2) Get previous version of remote
        try:
            #fetch once to know version
            remote = snclient.get_note(key)
            rollback = snclient.get_note(key, remote[0]['version']-1)
        except IOError as e:
            print("Failed to fetch previous version")
        else:
            try: 
                #3) Write it out locally
                if sys.version_info < (3, 0):
                    with open(filename, 'w') as f:
                        f.write(rollback[0]['content'].encode("utf-8"))
                else:
                    with open(filename, 'w', encoding="utf-8") as f:
                        f.write(rollback[0]['content'])
                print("Rolled back local copy")
            except IOError as e:
                print("Failed to rollback local copy of that note")
                print(e)
            else:
                #Since rollback doesn't include full meta data, update remote accordingly
                try:
                    del remote[0]['version']
                except KeyError:
                    pass
                finally:
                    #Set modified date
                    sysmodifydate = float(os.path.getmtime(filename))
                    remote[0]['modifydate'] = sysmodifydate
                    remote[0]['content'] = rollback[0]['content']
                    #4) Use that to update remote
                    try:
                        returned = snclient.update_note(remote[0])
                        print("Rolled back remote version")
                    except IOError as e:
                        print("Failed to roll back remote version")
                    else:
                        #Get returned metadata
                        snose[filename]['version'] = returned[0]['version']
                        snose[filename]['modifydate'] = sysmodifydate
                        try:
                            #5) Update index file with results
                            with open('.snose', 'w') as f:
                                json.dump(snose, f, indent=2)
                        except IOError as e:
                             print("Failed to update .snose index file")
                             print("Try running a sync to get index corrected.")


def snot(snclient):
    #List simplenote notes tagged with "snose"
    notelist = snclient.get_note_list()
    #That gets list of keys. Then need to iterate through and get first line of text.
    #This is going to be slow.
    print("Key:                               \tNote")
    for note in notelist[0]:
        if ("snose" in note['tags']) & (int(note['deleted']) != 1):
            #get note itself
            remote = snclient.get_note(note['key'])
            print(remote[0]['key']  + " \t" + remote[0]['content'].splitlines()[0])


def sync(snclient, dry=False):
    #Need to read in mappings and sync those notes.
    dryremotes = []
    try:
        with open('.snose', 'r') as f:
            snose = json.load(f)
    except IOError as e:
        print('Error reading Index file')
    else:
        #Need to iterate through list.
        if sys.version_info < (3, 0):
            sitems = snose.iteritems()
        else:
            sitems = snose.items()
        for name, local in sitems:
            #First of all check for local modifications
            sysmodifydate = float(os.path.getmtime(name))
            if sysmodifydate > float(local['modifydate']): #ensure full timestamp
                if not dry:
                #Update remote
                    try:
                        with open(name, 'r') as f:
                            content = f.read()
                    except IOError as e:
                        print("Failed to read local note %s" % name)
                        print("Skipping synchronisation for this note")
                    else:
                        try:
                            returned = snclient.update_note({'key': local['key'], 'version': local['version'], 'content': content, 'modifydate': sysmodifydate })
                            print("Updated remote version of %s" % name)
                        except IOError as e:
                            print("Failed to update remote verison of local note %s" % name)
                        else:
                            #Get returned metadata
                            snose[name]['version'] = returned[0]['version']
                            snose[name]['modifydate'] = sysmodifydate #Use local value to avoid differences in accuracy (decimal places. etc) between local and remote timestamps
                            #Update local file if merged content
                            if 'content' in returned[0]:
                                try:
                                    if sys.version_info < (3, 0):
                                        with open(filename, 'w') as f:
                                            f.write(returned[0]['content'].encode("utf-8"))
                                    else:
                                        with open(filename, 'w', encoding="utf-8") as f:
                                            f.write(returned[0]['content'])
                                    print("Merged local content for %s" % name)
                                    #Override the returned value? As otherwise next sync will immediately update the remote version for no reason.
                                    snose[name]['modifydate'] = os.path.getmtime(name) 
                                except IOError as e:
                                    print("Failed to merge content locally for %s" % name)
                                    print("Therefore skipping updating the index for this note")#I think this is a good idea?
                            #Update the index file
                            try:
                                with open('.snose', 'w') as f:
                                    json.dump(snose, f, indent=2)
                            except IOError as e:
                                print("Failed to update index for changes regarding local file %s" % name)
                                print("But remote and local copy of the file itself have been updated.")
                                #What now? I don't know.
                elif dry:
                    print("Updated remote version of %s" % name)
                    #For dry run, collect list of "updated remotes" to ignore in local updates
                    dryremotes.append(name)
            #Fetch details from Simplenote
            try:
                remote = snclient.get_note(local['key'])
            except IOError as e:
                print("Failed to fetch remote copy of note %s" % name)
                print("Skipping synchronisation for this file")
            else:
                if remote[0]['version'] > local['version']:
                    if not dry:
                        try: 
                            if sys.version_info < (3, 0):
                                with open(name, 'w') as f:
                                    f.write(remote[0]['content'].encode("utf-8"))
                            else:
                                with open(filename, 'w', encoding="utf-8") as f:
                                    f.write(remote[0]['content'])
                            print("Updated local version of %s" % name)
                        except IOError as e:
                            print("Failed to update local note %s with remote content" % name)
                            print("Will not updatet the .snose index file for this file")
                        else:
                            #Also update .snose index
                            snose[name]['version'] = remote[0]['version']
                            snose[name]['modifydate'] = os.path.getmtime(name) #As if set remote modify date, local file will immediately appear 'modified'
                            try:
                                with open('.snose', 'w') as f:
                                    json.dump(snose, f, indent=2)
                            except IOError as e:
                                print("Failed to update index")
                                print("But local copy of the file %s has been updated with remote changes" % name)
                            #Some feedback
                    elif (dry and (not (name in dryremotes))):
                        print("Updated local version of %s" % name)


main()