Merge branch 'master' of https://github.com/KIAaze/bin_and_dotfiles_p…

…ublic

bins/public_bin/bucky_ball.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+
+def check(v, e, f, p, h, verbose=True):
+  if verbose:
+    print('v={}, e={}, f={}, p={}, h={}'.format(v,e,f,p,h))
+  c_0 = (5*p+6*h == 2*e)
+  c_1 = (p+h == f)
+  c_2 = (v-e+f == 2)
+  c_all = c_0 and c_1 and c_2
+  if verbose:
+    print(c_0, c_1, c_2, c_all)
+  return c_all
+
+def calc_p_h(v, e, f):
+  print(v,e,f)
+  for p in range(0, f+1):
+    h = f - p
+    if check(v, e, f, p, h, verbose=False):
+      check(v, e, f, p, h, verbose=True)
+
+print('== c60 ==')
+v=60
+e=90
+f=32
+calc_p_h(v, e, f)
+p=12
+h=20
+check(v, e, f, p, h, verbose=True)
+
+print('== c70 ==')
+v=70
+e=105
+f=37
+calc_p_h(v, e, f)
+p=12
+h=25
+check(v, e, f, p, h, verbose=True)
+
+print('== c78 ==')
+v=78
+e=117
+f=41
+calc_p_h(v, e, f)
+p=12
+h=29
+check(v, e, f, p, h, verbose=True)
+
+print('== c75 ==')
+v=75
+e=50+65
+f=2+e-v
+calc_p_h(v, e, f)

bins/public_bin/bucky_ball.txt

@@ -0,0 +1,37 @@
+50 white sticks
+12*5+1=61 red sticks
+12*6+2=74 connectors
+
++1 connector
++4 red sticks
+
+==============
+connectors: 75
+white sticks: 50
+red sticks: 65
+
+all sticks: 50+65 = 115
+
+===============
+== c60 ==
+60 90 32
+v=60, e=90, f=32, p=12, h=20
+True True True True
+v=60, e=90, f=32, p=12, h=20
+True True True True
+== c70 ==
+70 105 37
+v=70, e=105, f=37, p=12, h=25
+True True True True
+v=70, e=105, f=37, p=12, h=25
+True True True True
+== c78 ==
+78 117 41
+v=78, e=117, f=41, p=12, h=29
+True True True True
+v=78, e=117, f=41, p=12, h=29
+True True True True
+== c75 ==
+75 115 42
+v=75, e=115, f=42, p=22, h=20
+True True True True

bins/public_bin/forkbomb-mod.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+myfunc()
+{
+  N=$(cat /dev/stdin)
+  if [ $N -gt 0 ]
+  then
+    echo "$N"
+    myfunc $(expr $N - 1) #| xargs myfunc
+  fi
+}
+
+echo 10 | myfunc
+# myfunc -10
+# myfunc 0
+# echo < /dev/stdin
+# myfunc $(cat /dev/stdin)

bins/public_bin/git-config-submitter.py

@@ -1,72 +1,89 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
 
-# TODO: global config? But then I wouldn't need this script. ;)
-# TODO: GUI for name selection? list of previously used name+mail pairs?
+# <pep8-80 compliant>
+
+# .. todo:: global config? But then I wouldn't need this script. ;)
+# .. todo:: GUI for name selection? list of previously used name+mail pairs?
 
 import re
 import sys
 import argparse
 import textwrap
 import subprocess
 
+
 def main():
-
-  # argparse
-  parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter,
-                                    description=textwrap.dedent('''\
-                                    Configure name+mail in git more easily.
-                                    
-                                    Example 1: Select a name+mail pair from one of the previous commits:
-                                      git-config-submitter.py
-                                    
-                                    Example 2: Pass a name+mail pair using the format used in git log output, i.e. "name <mail>":
-                                      git-config-submitter.py "first last <user@host>"
-                                    '''))
-
-  parser.add_argument('submitter', nargs='?')
-  args = parser.parse_args()
-
-  # default name+mail values
-  an = None
-  ae = None
-
-  if args.submitter: # if submitter specified, parse it
-    s = sys.argv[1]
-    p = re.compile('(.*) <(.*)>')
-    m = p.match(s)
-    if m:
-      an, ae = m.groups()
-      print(an)
-      print(ae)
+
+    # argparse
+
+    description_string = '''
+    Configure name+mail in git more easily.
+
+    Example 1:
+    Select a name+mail pair from one of the previous commits:
+      git-config-submitter.py
+
+    Example 2:
+    Pass a name+mail pair using the format used in git log output,
+    i.e. "name <mail>":
+      git-config-submitter.py "first last <user@host>"
+    '''
+
+    parser = argparse.ArgumentParser(
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+        description=textwrap.dedent(description_string))
+
+    parser.add_argument('submitter', nargs='?')
+    args = parser.parse_args()
+
+    # default name+mail values
+    an = None
+    ae = None
+
+    if args.submitter:  # if submitter specified, parse it
+        s = sys.argv[1]
+        p = re.compile('(.*) <(.*)>')
+        m = p.match(s)
+        if m:
+            an, ae = m.groups()
+            print(an)
+            print(ae)
+        else:
+            raise Exception(textwrap.dedent('''
+                Invalid name/mail string.
+                It should be of the form: "name <mail>"'''))
+    else:  # if no submitter specified, get it from log
+        author_name_list = subprocess.check_output(
+            ['git', 'log', '--pretty=format:%an'], universal_newlines=True)
+        author_name_list = author_name_list.split('\n')
+        author_mail_list = subprocess.check_output(
+            ['git', 'log', '--pretty=format:%ae'], universal_newlines=True)
+        author_mail_list = author_mail_list.split('\n')
+        print(author_name_list[0:3])
+        print(author_mail_list[0:3])
+
+        for an_tmp, ae_tmp in zip(author_name_list, author_mail_list):
+            ans = input('Use {} <{}>? (y/n): '.format(an_tmp, ae_tmp))
+            if ans == 'y':
+                an = an_tmp
+                ae = ae_tmp
+                break
+
+    # apply name+mail
+    if an is not None and ae is not None:
+        print('Setting default commiter to:\n  {} <{}>'.format(an, ae))
+        cmd = ['git', 'config', 'user.name', '{}'.format(an)]
+        subprocess.check_call(cmd)
+        cmd = ['git', 'config', 'user.email', '{}'.format(ae)]
+        subprocess.check_call(cmd)
+
+        print('You may fix the identity used for the last commit with:')
+        print('  git commit --amend --reset-author')
     else:
-      raise Exception('Invalid name/mail string. It should be of the form: "name <mail>"')
-  else: # if no submitter specified, get it from log
-    author_name_list = subprocess.check_output(['git', 'log', '--pretty=format:%an'], universal_newlines=True).split('\n')
-    author_mail_list = subprocess.check_output(['git', 'log', '--pretty=format:%ae'], universal_newlines=True).split('\n')
-    print(author_name_list)
-    print(author_mail_list)
-
-    for an_tmp, ae_tmp in zip(author_name_list, author_mail_list):
-      ans = input('Use {} <{}>? (y/n): '.format(an_tmp, ae_tmp))
-      if ans == 'y':
-        an = an_tmp
-        ae = ae_tmp
-        break
-
-  # apply name+mail
-  if an is not None and ae is not None:
-    print('Setting default commiter to:\n  {} <{}>'.format(an, ae))
-    cmd = ['git', 'config', 'user.name', '{}'.format(an)]
-    subprocess.check_call(cmd)
-    cmd = ['git', 'config', 'user.email', '{}'.format(ae)]
-    subprocess.check_call(cmd)
-
-    print('You may fix the identity used for the last commit with:')
-    print('  git commit --amend --reset-author')
-  else:
-    print('Nothing changed.')
-
-  return
+        print('Nothing changed.')
+
+    return
 
 if __name__ == '__main__':
-  main()
+    main()

bins/public_bin/link_tool.py

@@ -9,9 +9,10 @@
 TODO: Make converting symlinks to hard links easier.
 
 CRITICAL BUG: If the link is a cross-device link, it will be removed, but fail to create a new hard link afterwards!
+CRITICAL BUG: If the link is to a directory, it will be removed, but fail to create a new hard link afterwards!
 example:
 OSError: [Errno 18] Invalid cross-device link: '/usr/share/doc/texlive-doc/latex/tools/longtable.pdf' -> 'longtable.pdf'
-TODO: check for cross-device links before any replacments.
+TODO: check for cross-device links before any replacments. -> Or simply rename to tempfile, use try statement and rename back in case of failure.
 '''
 
 import argparse
@@ -131,6 +132,12 @@ def retargetLinks(arguments):
       print('old_target = ' + old_target)
       print('new_target = ' + new_target)
     if os.path.exists(new_target):
+
+      # skip if target is a directory and not using symlinks
+      if os.path.isdir(new_target) and not arguments.symbolic:
+        print(new_target + ' is a directory. Hard linking not supported. Skipping ' + link_name, file=sys.stderr)
+        continue
+
       if arguments.not_interactive:
         ans = 'y'
       else:

bins/public_bin/magicOrganizer.py

@@ -46,7 +46,7 @@
 import tempfile
 import shutil
 
-from PyQt4 import QtGui
+from PyQt5 import QtGui
 import argparseui
 
 def fromdos(filename):

bins/public_bin/mr_robot.py

@@ -0,0 +1,24 @@
+#!/usr/bin/env python3
+# A very basic Mr.Robot-like terminal with a prompt before every line. :)
+# (This is still one of my biggest disappointments from this otherwise very good series. :/ )
+# TODO: Could possibly be improved with readline for history handling.
+
+import subprocess
+
+def main():
+  PS1 = 'root@elliot$ '
+  while(True):
+    cmd = input(PS1)
+    if cmd:
+      cmd_list = cmd.split()
+      try:
+        out = subprocess.check_output(cmd_list, universal_newlines=True, stderr=subprocess.STDOUT)
+        for i in out.split('\n'):
+          print(PS1 + i)
+      except subprocess.CalledProcessError as err:
+        print(PS1 + err.output)
+      except:
+        print('{}: command not found'.format(cmd_list[0]))
+
+if __name__ == "__main__":
+  main()