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‎ipython_magic/watermark.ipynb

Lines changed: 39 additions & 19 deletions
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,7 @@
11
{
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"metadata": {
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"name": "",
4-
"signature": "sha256:72529e8db6a991fa9a1ce25da1f89e9aa64dd9fdffdcdbef3ae0f18098f5ab0a"
4+
"signature": "sha256:f60eef12fdb981a16a1ac0578a3dcf7377d991866b8528653a69fd33bf2ba8f9"
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},
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"nbformat": 3,
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"nbformat_minor": 0,
@@ -81,6 +81,26 @@
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],
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"prompt_number": 1
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"%install_ext ./watermark.py"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"Installed watermark.py. To use it, type:\n",
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" %load_ext watermark\n"
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]
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}
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],
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"prompt_number": 1
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},
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{
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"cell_type": "markdown",
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"metadata": {},
@@ -153,20 +173,18 @@
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"<pre>%watermark [-a AUTHOR] [-e AUTHOR_EMAIL] [-d] [-n] [-t] [-z] [-u]\n",
157-
" [-c CUSTOM_TIME] [-v] [-p PACKAGES] [-m]\n",
176+
"<pre> %watermark [-a AUTHOR] [-d] [-n] [-t] [-z] [-u] [-c CUSTOM_TIME] [-v]\n",
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" [-p PACKAGES] [-h] [-m] [-g]\n",
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"\n",
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" \n",
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"IPython magic function to print date/time stamps \n",
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"and various system information.\n",
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"\n",
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"watermark version 1.0.2\n",
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"watermark version 1.1.0\n",
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"\n",
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"optional arguments:\n",
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" -a AUTHOR, --author AUTHOR\n",
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" prints author name\n",
168-
" -e AUTHOR_EMAIL, --author_email AUTHOR_EMAIL\n",
169-
" prints author name and link to email address\n",
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" -d, --date prints current date\n",
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" -n, --datename prints date with abbrv. day and month names\n",
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" -t, --time prints current time\n",
@@ -180,6 +198,7 @@
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" packages\n",
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" -h, --hostname prints the host name\n",
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" -m, --machine prints system and machine info\n",
201+
" -g, --githash prints current Git commit hash\n",
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"</pre>"
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]
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},
@@ -212,7 +231,7 @@
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"28/06/2014 16:35:11\n",
234+
"29/06/2014 01:19:10\n",
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"\n",
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"CPython 3.4.1\n",
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"IPython 2.1.0\n",
@@ -227,7 +246,7 @@
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]
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}
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],
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"prompt_number": 4
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"prompt_number": 3
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},
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{
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"cell_type": "markdown",
@@ -249,11 +268,11 @@
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"28/06/2014 16:35:12 \n"
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"29/06/2014 01:19:11 \n"
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]
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}
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],
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"prompt_number": 5
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"prompt_number": 4
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},
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{
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"cell_type": "markdown",
@@ -275,11 +294,11 @@
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"Last updated: Sat Jun 35 2014 16:35:12 EDT\n"
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"Last updated: Sun Jun 19 2014 01:19:12 EDT\n"
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]
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}
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],
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"prompt_number": 6
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"prompt_number": 5
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},
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{
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"cell_type": "markdown",
@@ -306,7 +325,7 @@
306325
]
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}
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],
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"prompt_number": 7
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"prompt_number": 6
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},
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{
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"cell_type": "markdown",
@@ -338,7 +357,7 @@
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]
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}
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],
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"prompt_number": 8
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"prompt_number": 7
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},
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{
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"cell_type": "markdown",
@@ -376,7 +395,7 @@
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]
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}
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],
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"prompt_number": 9
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"prompt_number": 8
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},
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{
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"cell_type": "markdown",
@@ -389,7 +408,7 @@
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"%watermark -a \"John Doe\" -d -v -m "
411+
"%watermark -a \"John Doe\" -d -v -m -g"
393412
],
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"language": "python",
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"metadata": {},
@@ -398,7 +417,7 @@
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"John Doe 28/06/2014 \n",
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"John Doe 29/06/2014 01:20:48 EDT\n",
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"\n",
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"CPython 3.4.1\n",
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"IPython 2.1.0\n",
@@ -409,11 +428,12 @@
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"machine : x86_64\n",
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"processor : i386\n",
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"CPU cores : 2\n",
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"interpreter: 64bit\n"
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"interpreter: 64bit\n",
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"Git hash : fbe7759fd7e0298bf0bd05ea4aac01b87aa8ed25\n"
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]
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}
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],
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"prompt_number": 10
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"prompt_number": 16
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},
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{
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"cell_type": "markdown",

‎ipython_magic/watermark.py

Lines changed: 33 additions & 19 deletions
Original file line numberDiff line numberDiff line change
@@ -2,39 +2,39 @@
22
Sebastian Raschka 2014
33
44
watermark.py
5-
version 1.0.3
5+
version 1.1.0
66
77
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IPython magic function to print date/time stamps and various system information.
99
1010
Installation:
1111
12-
%install_ext https://raw.githubusercontent.com/rasbt/python_reference/master/ipython_magic/watermark.py
12+
%install_ext https://raw.githubusercontent.com/rasbt/python_reference/master/ipython_magic/watermark.py
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1414
Usage:
1515
16-
%load_ext watermark
16+
%load_ext watermark
1717
18-
%watermark
18+
%watermark
1919
20-
optional arguments:
21-
-a AUTHOR, --author AUTHOR
20+
optional arguments:
21+
22+
-a AUTHOR, --author AUTHOR
2223
prints author name
23-
-e AUTHOR_EMAIL, --author_email AUTHOR_EMAIL
24-
prints author name and link to email address
25-
-d, --date prints current date
26-
-n, --datename prints date with abbrv. day and month names
27-
-t, --time prints current time
28-
-z, --timezone appends the local time zone
29-
-u, --updated appends a string "Last updated: "
30-
-c CUSTOM_TIME, --custom_time CUSTOM_TIME
24+
-d, --date prints current date
25+
-n, --datename prints date with abbrv. day and month names
26+
-t, --time prints current time
27+
-z, --timezone appends the local time zone
28+
-u, --updated appends a string "Last updated: "
29+
-c CUSTOM_TIME, --custom_time CUSTOM_TIME
3130
prints a valid strftime() string
32-
-v, --python prints Python and IPython version
33-
-p PACKAGES, --packages PACKAGES
31+
-v, --python prints Python and IPython version
32+
-p PACKAGES, --packages PACKAGES
3433
prints versions of specified Python modules and
3534
packages
36-
-h, --hostname prints the host name
37-
-m, --machine prints system and machine info
35+
-h, --hostname prints the host name
36+
-m, --machine prints system and machine info
37+
-g, --githash prints current Git commit hash
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4040
Examples:
@@ -43,6 +43,7 @@
4343
4444
"""
4545
import platform
46+
import subprocess
4647
from time import strftime
4748
from socket import gethostname
4849
from pkg_resources import get_distribution
@@ -71,13 +72,14 @@ class WaterMark(Magics):
7172
@argument('-p', '--packages', type=str, help='prints versions of specified Python modules and packages')
7273
@argument('-h', '--hostname', action='store_true', help='prints the host name')
7374
@argument('-m', '--machine', action='store_true', help='prints system and machine info')
75+
@argument('-g', '--githash', action='store_true', help='prints current Git commit hash')
7476
@line_magic
7577
def watermark(self, line):
7678
"""
7779
IPython magic function to print date/time stamps
7880
and various system information.
7981
80-
watermark version 1.0.3
82+
watermark version 1.1.0
8183
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"""
8385
self.out = ''
@@ -114,6 +116,9 @@ def watermark(self, line):
114116
if args.machine:
115117
space = ' '
116118
self.out += '\nhost name%s: %s' %(space, gethostname())
119+
if args.githash:
120+
self._get_commit_hash(bool(args.machine))
121+
117122

118123

119124

@@ -154,5 +159,14 @@ def _get_sysinfo(self):
154159
)
155160

156161

162+
def _get_commit_hash(self, machine):
163+
process = subprocess.Popen(['git', 'rev-parse', 'HEAD'], shell=False, stdout=subprocess.PIPE)
164+
git_head_hash = process.communicate()[0].strip()
165+
space = ''
166+
if machine:
167+
space = ' '
168+
self.out += '\nGit hash%s: %s' %(space, git_head_hash.decode("utf-8"))
169+
170+
157171
def load_ipython_extension(ipython):
158172
ipython.register_magics(WaterMark)

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