progrmoiz / python-snippets

:100: The most useful python snippets

These Snippets can make your life a lot easier than expected, use it wisely.

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Snippets TO LEARN

• string_import.py example to show import module from string
• classtools.py assorted class utilities and tools
• formats.py various specialized string display formatting utilities.
• mydir.py a module that lists the namespaces of other module
• mymap.py different ways of implementing map
• myzip.py different ways of implementing zip
• permute.py implemented permute
• reloadall.py transitively reload nested module
• scramble.py a iterable scrambler
• streams.py give me reader, writer and a converter
• timer.py Homegrown timing tools for function calls.
• timer2.py Homegrown timing tools for function calls.
• timer3.py Homegrown timing tools for function calls.
• classtree.py Climb inheritance tree using namespace links, displaying higher superclasses with indentation for height
• listinstance.py Mix-in class that provides a formatted print() or str()
• listinherited.py Mix-in class that provides a formatted print() or str() (Use dir() to collect both instance attr and names inherited from its classes)
• listinherited2.py Same as listinherited.py, but more formatted
• listtree.py Trace the entire class and all its object's attrs at and above self
• mapattrs.py Map all attributes on or inherited by an instance to the instance or class from which they are inherited.

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Contributing

Open an issue or a pull request to suggest changes or additions.

Authors

Abdul Moiz

License

To the extent possible under law, Abdul Moiz has waived all copyright and related or neighboring rights to Snippets.

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python-snippets's Issues

Remove `scramble.py`?

python-snippets/scramble.py

Line 7 in 8d24dd5

def scramble(seq):

In[18]: scramble([1, 2, 3, 4, 5])
Out[18]: 
[[2, 3, 4, 5, 1],
 [2, 3, 4, 5, 1],
 [2, 3, 4, 5, 1],
 [2, 3, 4, 5, 1],
 [2, 3, 4, 5, 1]]

This doesn't seem very "scrambled"...

Remove `permute.py`?

python-snippets/permute.py

Line 1 in 8d24dd5

def permute(seq):

In[22]: from itertools import permutations
In[23]: for p in permutations('maths'):
   ...:     print(''.join(p))
   ...: 
maths
matsh
mahts
mahst
masth
masht
mtahs
mtash
mthas
mthsa
mtsah
mtsha
mhats
mhast
mhtas
mhtsa
mhsat
mhsta
msath
msaht
mstah
mstha
mshat
mshta
amths
amtsh
amhts
amhst
amsth
amsht
atmhs
atmsh
athms
athsm
atsmh
atshm
ahmts
ahmst
ahtms
ahtsm
ahsmt
ahstm
asmth
asmht
astmh
asthm
ashmt
ashtm
tmahs
tmash
tmhas
tmhsa
tmsah
tmsha
tamhs
tamsh
tahms
tahsm
tasmh
tashm
thmas
thmsa
thams
thasm
thsma
thsam
tsmah
tsmha
tsamh
tsahm
tshma
tsham
hmats
hmast
hmtas
hmtsa
hmsat
hmsta
hamts
hamst
hatms
hatsm
hasmt
hastm
htmas
htmsa
htams
htasm
htsma
htsam
hsmat
hsmta
hsamt
hsatm
hstma
hstam
smath
smaht
smtah
smtha
smhat
smhta
samth
samht
satmh
sathm
sahmt
sahtm
stmah
stmha
stamh
stahm
sthma
stham
shmat
shmta
shamt
shatm
shtma
shtam

Remove `money`?

python-snippets/formats.py

Line 25 in 8d24dd5

def money(N, numwidth=0, currency="$"):

In[16]: for test in (0, 1, -1, 1.23, 1., 1.2, 3.1341):
   ...:     print(f'${test:.2f}')
   ...: 
$0.00
$1.00
$-1.00
$1.23
$1.00
$1.20
$3.13

Remove `timer.py`, `timer2.py` and `timer3.py`?

https://docs.python.org/3/library/timeit.html

Remove `commas`?

python-snippets/formats.py

Line 11 in 8d24dd5

def commas(N):

In[12]: for test in (-1, 1.23, 12, 123, 1234, 1234567):
   ...:     print(f'{test:,}')
   ...: 
-1
1.23
12
123
1,234
1,234,567