Revision of TastyHint3.md

1 file changed, 4 insertions, 5 deletions

TastyHint3.md

			@@ -89,11 +89,10 @@ The data structure might be created by
89	89		dict_to_save = { "tasks": self.tasks, "trash": self.trash, "impt": self.important }
90	90		```
91	91
	92	+	You can now _json.dump_ the `dict_to_save` to a file.
92	93
	94	+	Loading it will be the opposite, you end up with one `loaded_dicts` which
	95	+	have to be split like: `self.tasks = loaded_dicts['tasks']`
93	96
94	97
95		-
96		-
97		-
98		-
99		-
	98	+	Easy Peasy

1 file changed, 26 insertions

TastyHint3.md

			@@ -67,6 +67,32 @@ with open("saved_data.json", "w") as fp:
67	67		json.dump(self.tasks,fp)
68	68		```
69	69
	70	+	## loading? a Hint
	71	+
	72	+	```python
	73	+	with open(filename) as json_file:
	74	+	self.tasks = json.load(json_file)
	75	+	```
	76	+
	77	+	And you should embed this stuff into a method.
	78	+
	79	+	When you get to the point where you are puzzling over how to save/load multiple dicts
	80	+	(say, _tasks_, _trash_, and _important_),
	81	+	you might consider putting all this in another dictionary and just saving that.
	82	+
	83	+	You still have to _load_ the one dict and then split it into three for use by the methods.
	84	+	This should be done in _load tasks_ method.
	85	+
	86	+	The data structure might be created by
	87	+
	88	+	```python
	89	+	dict_to_save = { "tasks": self.tasks, "trash": self.trash, "impt": self.important }
	90	+	```
	91	+
	92	+
	93	+
	94	+
	95	+
70	96
71	97
72	98

1 file changed, 17 insertions

TastyHint3.md

			@@ -29,6 +29,23 @@ rest = " ".join(rest)
29	29		print(command, ' - ', rest)
30	30		```
31	31
	32	+	and after hacking a bit in the python interpreter, you may end up with
	33	+
	34	+	```python
	35	+	line = input(prompt)
	36	+	#print(line)
	37	+	while not line:
	38	+	line = input(prompt)
	39	+	words = line.split()
	40	+	#print(words)
	41	+	command = words[0]
	42	+	#print(command)
	43	+	rest = words[1:]
	44	+	rest = " ".join(rest)
	45	+	#print(rest)
	46	+	```
	47	+
	48	+
32	49		and maybe the right thing to do is to change the `command = input("Tasty> ")` to something like
33	50		`command, rest = tasty.prompt_user("Tasty> ")`
34	51

1 file changed, 32 insertions, 2 deletions

TastyHint3.md

			@@ -7,8 +7,30 @@ and the `new <task>` will actually look like `new Buy Milk`
7	7
8	8		so take the string and split it into a list of strings, breaking each string on the <space> character.
9	9
10		-	and maybe the right thing to do is to change the `command = input("Tasty> ")` to something like `words = prompt_user("Tasty> ")`
11		-	and then immediately `command = words[0]`
	10	+	```python
	11	+	txt = "welcome to the jungle"
	12	+
	13	+	x = txt.split()
	14	+
	15	+	print(x)
	16	+
	17	+	# ['welcome', 'to', 'the', 'jungle']
	18	+	```
	19	+
	20	+	BUT Ulas says
	21	+
	22	+	```python
	23	+	txt = "new Buy Milk"
	24	+	t = txt.split()
	25	+	print(t)
	26	+	command = t[0]
	27	+	rest = t[1:]
	28	+	rest = " ".join(rest)
	29	+	print(command, ' - ', rest)
	30	+	```
	31	+
	32	+	and maybe the right thing to do is to change the `command = input("Tasty> ")` to something like
	33	+	`command, rest = tasty.prompt_user("Tasty> ")`
12	34
13	35		then all the "words" after the "new" will be what you pull together to name the task?
14	36
			@@ -21,6 +43,14 @@ def prompt_user(self, prompt):
21	43		# lookup how to split words into words[]
22	44		```
23	45
	46	+	## saving? a Hint
	47	+
	48	+	```python
	49	+	with open("saved_data.json", "w") as fp:
	50	+	json.dump(self.tasks,fp)
	51	+	```
	52	+
	53	+
24	54
25	55
26	56

1 file changed, 11 insertions, 1 deletion

TastyHint3.md

			@@ -13,4 +13,14 @@ and then immediately `command = words[0]`
13	13		then all the "words" after the "new" will be what you pull together to name the task?
14	14
15	15		so `prompt-user(self, prompt)` becomes a method which asks for the user's input
16		-	(using input(prompt))
	16	+	(using input(prompt))
	17	+
	18	+	```python
	19	+	def prompt_user(self, prompt):
	20	+	inp = input(prompt)
	21	+	# lookup how to split words into words[]
	22	+	```
	23	+
	24	+
	25	+
	26	+

1 file changed, 16 insertions

TastyHint3.md(檔案已創建)

		@@ -0,0 +1,16 @@
1	+
2	+	_I'm struggling to see where we take the user input for the task name._
3	+
4	+	the `command` variable will have `exit` or whatever, right?
5	+
6	+	and the `new <task>` will actually look like `new Buy Milk`
7	+
8	+	so take the string and split it into a list of strings, breaking each string on the <space> character.
9	+
10	+	and maybe the right thing to do is to change the `command = input("Tasty> ")` to something like `words = prompt_user("Tasty> ")`
11	+	and then immediately `command = words[0]`
12	+
13	+	then all the "words" after the "new" will be what you pull together to name the task?
14	+
15	+	so `prompt-user(self, prompt)` becomes a method which asks for the user's input
16	+	(using input(prompt))