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Overview
Comment:Merge in Python3 stuff
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SHA3-256: 5d0589b3beec72b26fb301adee4d3dbdbcf7391ac533a382db30fde0da38bfeb
User & Date: simon 2018-10-11 07:54:42
Context
2018-10-11
10:25
Add ability to determine filename from first few lines of a file

Wanted to do this for awhile, but was too lazy until now.

Most of my snose files have the filepath as the first or second line in the
file (in a comment). This makes it easier to sneeze files out. check-in: ba8e456fb6 user: simon tags: trunk, master

07:54
Merge in Python3 stuff check-in: 5d0589b3be user: simon tags: trunk, master
2018-10-06
17:56
Python3 compatibility - iteritems vs items

I think that might be all that's needed. This was never super duper advanced
code. Leaf check-in: 7dedaed4cc user: atomicules tags: python3

16:28
Simperium compatibility

Use version instead of syncnum (since I _think_) with Simperium version does
what both of these did: I.e. version will increment whether content or metadata
changes.

Some import tweaks.

(Gah! This code is horrible, but still works) check-in: f66d33d3c7 user: atomicules tags: trunk, master

Changes
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Changes to snose.py.

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#!/usr/bin/python
#snose - Simplenote Object Synchronisation (Explicit)


import json
import simplenote #Need to install this
import os.path, time
from optparse import OptionParser
import netrc

def main():
................................................................................

	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:
		snort(snclient, options.snort)
	elif options.sniff:
		sniff(snclient, options.sniff[0], options.sniff[1])
	elif options.sneeze:
................................................................................
	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)
................................................................................
		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)
................................................................................
		#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:
................................................................................
	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
		try: 
			with open(filename, 'w') 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
................................................................................
	#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




		filename = [name for name, local in snose.iteritems() 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
				with open(filename, 'w') 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.




		for name, local in snose.iteritems():
			#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:
									with open(name, 'w') 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: 
							with open(name, 'w') 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()



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#!/usr/bin/python
#snose - Simplenote Object Synchronisation (Explicit)

import sys
import json
import simplenote #Need to install this
import os.path, time
from optparse import OptionParser
import netrc

def main():
................................................................................

	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:
		snort(snclient, options.snort)
	elif options.sniff:
		sniff(snclient, options.sniff[0], options.sniff[1])
	elif options.sneeze:
................................................................................
	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)
................................................................................
		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)
................................................................................
		#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:
................................................................................
	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
		try:
			with open(filename, 'w') 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
................................................................................
	#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
				with open(filename, 'w') 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:
									with open(name, 'w') 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: 
							with open(name, 'w') 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()