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Posted to commits@zeppelin.apache.org by bz...@apache.org on 2016/06/23 13:22:34 UTC
zeppelin git commit: ZEPPELIN-1048: Pandas support for python
interpreter
Repository: zeppelin
Updated Branches:
refs/heads/master ff4973d43 -> 230d89014
ZEPPELIN-1048: Pandas support for python interpreter
### What is this PR for?
Display Pandas DataFrame using Zeppelin's Table Display system.
### What type of PR is it?
Feature
### Todos
* [x] fix NPE in logs on empty paragraph execution
* [x] matplotlib: refactor `zeppelin_show(plt)` -> `z.show(plt)`
* [x] pandas: support `z.show(df)`
* [x] update docs
### What is the Jira issue?
[ZEPPELIN-1048](https://issues.apache.org/jira/browse/ZEPPELIN-1048)
### How should this be tested?
"Zeppelin Tutorial: Python - matplotlib basic" should work, and
```python
import pandas as pd
rates = pd.read_csv("bank.csv", sep=";")
z.show(rates)
```
### Screenshots (if appropriate)
### Questions:
* Does the licenses files need update? No
* Is there breaking changes for older versions? No
* Does this needs documentation? Yes
Author: Alexander Bezzubov <bz...@apache.org>
Closes #1067 from bzz/python/pandas-support and squashes the following commits:
3b1ad36 [Alexander Bezzubov] Python: update docs to reffer new API
ee6668b [Alexander Bezzubov] Python: update docs, add Pandas integration
71be418 [Alexander Bezzubov] Python: limit 1000 for table display system on DataFrame
52e787d [Alexander Bezzubov] Python: pandas DataFrame using Table display system
bc91b86 [Alexander Bezzubov] Python: skip interpreting empty paragraphs
a7248cd [Alexander Bezzubov] Python: draft of pandas support
15646a1 [Alexander Bezzubov] Python: refactoring to z.show()
Project: http://git-wip-us.apache.org/repos/asf/zeppelin/repo
Commit: http://git-wip-us.apache.org/repos/asf/zeppelin/commit/230d8901
Tree: http://git-wip-us.apache.org/repos/asf/zeppelin/tree/230d8901
Diff: http://git-wip-us.apache.org/repos/asf/zeppelin/diff/230d8901
Branch: refs/heads/master
Commit: 230d890142f2346c48a32ad6b98a4598fdfce1b7
Parents: ff4973d
Author: Alexander Bezzubov <bz...@apache.org>
Authored: Thu Jun 23 10:25:49 2016 +0900
Committer: Alexander Bezzubov <bz...@apache.org>
Committed: Thu Jun 23 22:22:19 2016 +0900
----------------------------------------------------------------------
docs/interpreter/python.md | 23 +++--
notebook/2BQA35CJZ/note.json | 68 +++++++-------
.../zeppelin/python/PythonInterpreter.java | 7 +-
python/src/main/resources/__init__.py | 0
python/src/main/resources/bootstrap.py | 99 +++++++++++++++-----
python/src/main/resources/bootstrap_input.py | 21 +++--
6 files changed, 147 insertions(+), 71 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/zeppelin/blob/230d8901/docs/interpreter/python.md
----------------------------------------------------------------------
diff --git a/docs/interpreter/python.md b/docs/interpreter/python.md
index 34134a1..822488f 100644
--- a/docs/interpreter/python.md
+++ b/docs/interpreter/python.md
@@ -44,7 +44,7 @@ To access the help, type **help()**
## Python modules
The interpreter can use all modules already installed (with pip, easy_install...)
-## Apply Zeppelin Dynamic Forms
+## Use Zeppelin Dynamic Forms
You can leverage [Zeppelin Dynamic Form]({{BASE_PATH}}/manual/dynamicform.html) inside your Python code.
**Zeppelin Dynamic Form can only be used if py4j Python library is installed in your system. If not, you can install it with `pip install py4j`.**
@@ -65,7 +65,6 @@ print("".join(z.checkbox("f3", [("o1","1"), ("o2","2")],["1"])))
-
## Zeppelin features not fully supported by the Python Interpreter
* Interrupt a paragraph execution (`cancel()` method) is currently only supported in Linux and MacOs. If interpreter runs in another operating system (for instance MS Windows) , interrupt a paragraph will close the whole interpreter. A JIRA ticket ([ZEPPELIN-893](https://issues.apache.org/jira/browse/ZEPPELIN-893)) is opened to implement this feature in a next release of the interpreter.
@@ -73,7 +72,7 @@ print("".join(z.checkbox("f3", [("o1","1"), ("o2","2")],["1"])))
* Code-completion is currently not implemented.
## Matplotlib integration
- The python interpreter can display matplotlib graph with the function `zeppelin_show()`.
+ The python interpreter can display matplotlib graph with the function `z.show()`.
You need to have matplotlib module installed and a XServer running to use this functionality !
```python
@@ -81,20 +80,32 @@ print("".join(z.checkbox("f3", [("o1","1"), ("o2","2")],["1"])))
import matplotlib.pyplot as plt
plt.figure()
(.. ..)
-zeppelin_show(plt)
+z.show(plt)
plt.close()
```
zeppelin_show function can take optional parameters to adapt graph width and height
```python
%python
-zeppelin_show(plt,width='50px')
-zeppelin_show(plt,height='150px')
+z.show(plt, width='50px')
+z.show(plt, height='150px')
```
[](/docs/interpreter/screenshots/pythonMatplotlib.png)
+## Pandas integration
+[Zeppelin Display System]({{BASE_PATH}}/displaysystem/basicdisplaysystem.html#table) provides simple API to visualize data in Pandas DataFrames, same as in Matplotlib.
+
+Example:
+
+```python
+import pandas as pd
+rates = pd.read_csv("bank.csv", sep=";")
+z.show(rates)
+```
+
+
## Technical description
For in-depth technical details on current implementation plese reffer [python/README.md](https://github.com/apache/zeppelin/blob/master/python/README.md)
http://git-wip-us.apache.org/repos/asf/zeppelin/blob/230d8901/notebook/2BQA35CJZ/note.json
----------------------------------------------------------------------
diff --git a/notebook/2BQA35CJZ/note.json b/notebook/2BQA35CJZ/note.json
index 2eeb40c..d9ffc9b 100644
--- a/notebook/2BQA35CJZ/note.json
+++ b/notebook/2BQA35CJZ/note.json
@@ -1,8 +1,8 @@
{
"paragraphs": [
{
- "text": "%md\n\n### Pre-requests\nnumpy, matplotlib are installed\n\n### os x\nmake sure locale is set, to avoid `ValueError: unknown locale: UTF-8`\n\n### virtualenv\nIn case you want to use virtualenv:\n - configure python interpreter property -\u003e `absolute/path/to/venv/bin/python`\n - see *Working with Matplotlib in Virtual environments* in the [Matplotlib FAQ](http://matplotlib.org/faq/virtualenv_faq.html)",
- "dateUpdated": "Jun 17, 2016 2:23:28 PM",
+ "text": "%md\n\n### Pre-requests\nnumpy, matplotlib are installed \n\n### os x\nmake sure locale is set, to avoid `ValueError: unknown locale: UTF-8`\n\n### virtualenv\nIn case you want to use virtualenv:\n - configure python interpreter property -\u003e `absolute/path/to/venv/bin/python`\n - see *Working with Matplotlib in Virtual environments* in the [Matplotlib FAQ](http://matplotlib.org/faq/virtualenv_faq.html)",
+ "dateUpdated": "Jun 22, 2016 5:31:34 PM",
"config": {
"colWidth": 12.0,
"graph": {
@@ -31,14 +31,14 @@
"msg": "\u003ch3\u003ePre-requests\u003c/h3\u003e\n\u003cp\u003enumpy, matplotlib are installed\u003c/p\u003e\n\u003ch3\u003eos x\u003c/h3\u003e\n\u003cp\u003emake sure locale is set, to avoid \u003ccode\u003eValueError: unknown locale: UTF-8\u003c/code\u003e\u003c/p\u003e\n\u003ch3\u003evirtualenv\u003c/h3\u003e\n\u003cp\u003eIn case you want to use virtualenv:\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003econfigure python interpreter property -\u003e \u003ccode\u003eabsolute/path/to/venv/bin/python\u003c/code\u003e\u003c/li\u003e\n\u003cli\u003esee \u003cem\u003eWorking with Matplotlib in Virtual environments\u003c/em\u003e in the \u003ca href\u003d\"http://matplotlib.org/faq/virtualenv_faq.html\"\u003eMatplotlib FAQ\u003c/a\u003e\u003c/li\u003e\n\u003c/ul\u003e\n"
},
"dateCreated": "Jun 14, 2016 5:46:57 PM",
- "dateStarted": "Jun 17, 2016 2:23:26 PM",
- "dateFinished": "Jun 17, 2016 2:23:26 PM",
+ "dateStarted": "Jun 22, 2016 5:31:34 PM",
+ "dateFinished": "Jun 22, 2016 5:31:34 PM",
"status": "FINISHED",
"progressUpdateIntervalMs": 500
},
{
"text": "%python\nimport numpy as np\nimport matplotlib.pyplot as plt",
- "dateUpdated": "Jun 17, 2016 2:11:24 PM",
+ "dateUpdated": "Jun 22, 2016 5:31:34 PM",
"config": {
"colWidth": 12.0,
"graph": {
@@ -65,14 +65,14 @@
"msg": ""
},
"dateCreated": "Jun 17, 2016 12:21:31 AM",
- "dateStarted": "Jun 17, 2016 2:11:24 PM",
- "dateFinished": "Jun 17, 2016 2:11:24 PM",
+ "dateStarted": "Jun 22, 2016 5:31:34 PM",
+ "dateFinished": "Jun 22, 2016 5:31:35 PM",
"status": "FINISHED",
"progressUpdateIntervalMs": 500
},
{
"text": "%python\ndef f(x):\n return np.cos(1/x)\n\nx \u003d np.linspace(-2, 2, 1000)",
- "dateUpdated": "Jun 17, 2016 2:29:52 PM",
+ "dateUpdated": "Jun 22, 2016 5:31:34 PM",
"config": {
"colWidth": 12.0,
"graph": {
@@ -101,14 +101,14 @@
"msg": ""
},
"dateCreated": "Jun 14, 2016 5:44:21 PM",
- "dateStarted": "Jun 17, 2016 2:29:52 PM",
- "dateFinished": "Jun 17, 2016 2:29:52 PM",
+ "dateStarted": "Jun 22, 2016 5:31:35 PM",
+ "dateFinished": "Jun 22, 2016 5:31:35 PM",
"status": "FINISHED",
"progressUpdateIntervalMs": 500
},
{
- "text": "%python\n\nplt.figure()\nplt.plot(x, f(x), lw\u003d2)\nzeppelin_show(plt, width\u003d\u0027500px\u0027)\nplt.close()",
- "dateUpdated": "Jun 17, 2016 2:30:03 PM",
+ "text": "%python\n\nplt.figure()\nplt.plot(x, f(x), lw\u003d2)\nz.show(plt, width\u003d\u0027500px\u0027)\nplt.close()",
+ "dateUpdated": "Jun 22, 2016 5:31:34 PM",
"config": {
"colWidth": 12.0,
"graph": {
@@ -124,7 +124,9 @@
"editorMode": "ace/mode/scala"
},
"settings": {
- "params": {},
+ "params": {
+ "f1": "defaultValue"
+ },
"forms": {}
},
"jobName": "paragraph_1466088587936_-914466845",
@@ -132,22 +134,22 @@
"result": {
"code": "SUCCESS",
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\u003cg transform\u003d\"translate(397.258125 401.918125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-31\"/\u003e\n\r \u003cuse x\u003d\"63.623046875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"95.41015625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"xtick_8\"\u003e\n\r \u003cg id\u003d\"line2d_16\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"462.6\" xlink:href\u003d\"#m31afe6147a\" y\u003d\"388.8\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_17\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"462.6\" xlink:href\u003d\"#m7618f5d89a\" y\u003d\"43.2\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg
id\u003d\"text_8\"\u003e\n\r \u003c!-- 1.5 --\u003e\n\r \u003cg transform\u003d\"translate(453.058125 401.918125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-31\"/\u003e\n\r \u003cuse x\u003d\"63.623046875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"95.41015625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-35\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"xtick_9\"\u003e\n\r \u003cg id\u003d\"line2d_18\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"518.4\" xlink:href\u003d\"#m31afe6147a\" y\u003d\"388.8\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_19\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"518.4\" xlink:href\u003d\"#m7618f5d89a\" y\u003d\"43.2\"/\u003e\n
\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"text_9\"\u003e\n\r \u003c!-- 2.0 --\u003e\n\r \u003cg transform\u003d\"translate(508.858125 401.918125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-32\"/\u003e\n\r \u003cuse x\u003d\"63.623046875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"95.41015625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"matplotlib.axis_2\"\u003e\n\r \u003cg id\u003d\"ytick_1\"\u003e\n\r \u003cg id\u003d\"line2d_20\"\u003e\n\r \u003cdefs\u003e\n\r \u003cpath d\u003d\"M 0 0 \n\rL 4 0 \n\r\" id\u003d\"m92b2122708\" style\u003d\"stroke:#000000;stroke-width:0.5;\"/\u003e\n\r \u003c/defs\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"72.0
\" xlink:href\u003d\"#m92b2122708\" y\u003d\"388.8\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_21\"\u003e\n\r \u003cdefs\u003e\n\r \u003cpath d\u003d\"M 0 0 \n\rL -4 0 \n\r\" id\u003d\"m7b4a0d6ec9\" style\u003d\"stroke:#000000;stroke-width:0.5;\"/\u003e\n\r \u003c/defs\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"518.4\" xlink:href\u003d\"#m7b4a0d6ec9\" y\u003d\"388.8\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"text_10\"\u003e\n\r \u003c!-- \u22121.0 --\u003e\n\r \u003cg transform\u003d\"translate(38.860625 392.11125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-2212\"/\u003e\n\r \u003cuse x\u003d\"83.7890625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-31\"/\u003e\n\r \u003cuse x\u003d\"147.412109375\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r
\u003cuse x\u003d\"179.19921875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"ytick_2\"\u003e\n\r \u003cg id\u003d\"line2d_22\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"72.0\" xlink:href\u003d\"#m92b2122708\" y\u003d\"302.4\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_23\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"518.4\" xlink:href\u003d\"#m7b4a0d6ec9\" y\u003d\"302.4\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"text_11\"\u003e\n\r \u003c!-- \u22120.5 --\u003e\n\r \u003cg transform\u003d\"translate(38.860625 305.71125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-2212\"/\u003e\n\r \u003cuse x\u003d\"83.7890625\
" xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003cuse x\u003d\"147.412109375\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"179.19921875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-35\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"ytick_3\"\u003e\n\r \u003cg id\u003d\"line2d_24\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"72.0\" xlink:href\u003d\"#m92b2122708\" y\u003d\"216.0\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_25\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"518.4\" xlink:href\u003d\"#m7b4a0d6ec9\" y\u003d\"216.0\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"text_12\"\u003e\n\r \u003c!-- 0.0 --\u003e\n\r \u003cg transform\u003d\"translate(48
.91625 219.31125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003cuse x\u003d\"63.623046875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"95.41015625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"ytick_4\"\u003e\n\r \u003cg id\u003d\"line2d_26\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"72.0\" xlink:href\u003d\"#m92b2122708\" y\u003d\"129.6\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_27\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"518.4\" xlink:href\u003d\"#m7b4a0d6ec9\" y\u003d\"129.6\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"text_13\"\u003e\n\r \u003c!--
0.5 --\u003e\n\r \u003cg transform\u003d\"translate(48.91625 132.91125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003cuse x\u003d\"63.623046875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"95.41015625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-35\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"ytick_5\"\u003e\n\r \u003cg id\u003d\"line2d_28\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"72.0\" xlink:href\u003d\"#m92b2122708\" y\u003d\"43.2\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_29\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"518.4\" xlink:href\u003d\"#m7b4a0d6ec9\" y\u003d\"43.2\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r
\u003cg id\u003d\"text_14\"\u003e\n\r \u003c!-- 1.0 --\u003e\n\r \u003cg transform\u003d\"translate(48.91625 46.51125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-31\"/\u003e\n\r \u003cuse x\u003d\"63.623046875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"95.41015625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cdefs\u003e\n\r \u003cclipPath id\u003d\"p29ea61f8b5\"\u003e\n\r \u003crect height\u003d\"345.6\" width\u003d\"446.4\" x\u003d\"72.0\" y\u003d\"43.2\"/\u003e\n\r \u003c/clipPath\u003e\n\r \u003c/defs\u003e\n\r\u003c/svg\u003e\n\r\u003cdiv\u003e"
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5)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003cuse x\u003d\"63.623046875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"95.41015625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-35\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"xtick_7\"\u003e\n\r \u003cg id\u003d\"line2d_14\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"406.8\" xlink:href\u003d\"#m1b33711152\" y\u003d\"388.8\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_15\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"406.8\" xlink:href\u003d\"#m5ced6e031b\" y\u003d\"43.2\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"text_7\"\u003e\n\r \u003c!-- 1.0 --\u003e\n\r
\u003cg transform\u003d\"translate(397.258125 401.918125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-31\"/\u003e\n\r \u003cuse x\u003d\"63.623046875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"95.41015625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"xtick_8\"\u003e\n\r \u003cg id\u003d\"line2d_16\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"462.6\" xlink:href\u003d\"#m1b33711152\" y\u003d\"388.8\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_17\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"462.6\" xlink:href\u003d\"#m5ced6e031b\" y\u003d\"43.2\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg
id\u003d\"text_8\"\u003e\n\r \u003c!-- 1.5 --\u003e\n\r \u003cg transform\u003d\"translate(453.058125 401.918125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-31\"/\u003e\n\r \u003cuse x\u003d\"63.623046875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"95.41015625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-35\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"xtick_9\"\u003e\n\r \u003cg id\u003d\"line2d_18\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"518.4\" xlink:href\u003d\"#m1b33711152\" y\u003d\"388.8\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_19\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"518.4\" xlink:href\u003d\"#m5ced6e031b\" y\u003d\"43.2\"/\u003e\n
\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"text_9\"\u003e\n\r \u003c!-- 2.0 --\u003e\n\r \u003cg transform\u003d\"translate(508.858125 401.918125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-32\"/\u003e\n\r \u003cuse x\u003d\"63.623046875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"95.41015625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"matplotlib.axis_2\"\u003e\n\r \u003cg id\u003d\"ytick_1\"\u003e\n\r \u003cg id\u003d\"line2d_20\"\u003e\n\r \u003cdefs\u003e\n\r \u003cpath d\u003d\"M 0 0 \n\rL 4 0 \n\r\" id\u003d\"m3c39fe74d7\" style\u003d\"stroke:#000000;stroke-width:0.5;\"/\u003e\n\r \u003c/defs\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"72.0
\" xlink:href\u003d\"#m3c39fe74d7\" y\u003d\"388.8\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_21\"\u003e\n\r \u003cdefs\u003e\n\r \u003cpath d\u003d\"M 0 0 \n\rL -4 0 \n\r\" id\u003d\"m4564b9459b\" style\u003d\"stroke:#000000;stroke-width:0.5;\"/\u003e\n\r \u003c/defs\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"518.4\" xlink:href\u003d\"#m4564b9459b\" y\u003d\"388.8\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"text_10\"\u003e\n\r \u003c!-- \u22121.0 --\u003e\n\r \u003cg transform\u003d\"translate(38.860625 392.11125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-2212\"/\u003e\n\r \u003cuse x\u003d\"83.7890625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-31\"/\u003e\n\r \u003cuse x\u003d\"147.412109375\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r
\u003cuse x\u003d\"179.19921875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"ytick_2\"\u003e\n\r \u003cg id\u003d\"line2d_22\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"72.0\" xlink:href\u003d\"#m3c39fe74d7\" y\u003d\"302.4\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_23\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"518.4\" xlink:href\u003d\"#m4564b9459b\" y\u003d\"302.4\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"text_11\"\u003e\n\r \u003c!-- \u22120.5 --\u003e\n\r \u003cg transform\u003d\"translate(38.860625 305.71125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-2212\"/\u003e\n\r \u003cuse x\u003d\"83.7890625\
" xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003cuse x\u003d\"147.412109375\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"179.19921875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-35\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"ytick_3\"\u003e\n\r \u003cg id\u003d\"line2d_24\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"72.0\" xlink:href\u003d\"#m3c39fe74d7\" y\u003d\"216.0\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_25\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"518.4\" xlink:href\u003d\"#m4564b9459b\" y\u003d\"216.0\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"text_12\"\u003e\n\r \u003c!-- 0.0 --\u003e\n\r \u003cg transform\u003d\"translate(48
.91625 219.31125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003cuse x\u003d\"63.623046875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"95.41015625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"ytick_4\"\u003e\n\r \u003cg id\u003d\"line2d_26\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"72.0\" xlink:href\u003d\"#m3c39fe74d7\" y\u003d\"129.6\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_27\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"518.4\" xlink:href\u003d\"#m4564b9459b\" y\u003d\"129.6\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"text_13\"\u003e\n\r \u003c!--
0.5 --\u003e\n\r \u003cg transform\u003d\"translate(48.91625 132.91125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003cuse x\u003d\"63.623046875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"95.41015625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-35\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"ytick_5\"\u003e\n\r \u003cg id\u003d\"line2d_28\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"72.0\" xlink:href\u003d\"#m3c39fe74d7\" y\u003d\"43.2\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cg id\u003d\"line2d_29\"\u003e\n\r \u003cg\u003e\n\r \u003cuse style\u003d\"stroke:#000000;stroke-width:0.5;\" x\u003d\"518.4\" xlink:href\u003d\"#m4564b9459b\" y\u003d\"43.2\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r
\u003cg id\u003d\"text_14\"\u003e\n\r \u003c!-- 1.0 --\u003e\n\r \u003cg transform\u003d\"translate(48.91625 46.51125)scale(0.12 -0.12)\"\u003e\n\r \u003cuse xlink:href\u003d\"#BitstreamVeraSans-Roman-31\"/\u003e\n\r \u003cuse x\u003d\"63.623046875\" xlink:href\u003d\"#BitstreamVeraSans-Roman-2e\"/\u003e\n\r \u003cuse x\u003d\"95.41015625\" xlink:href\u003d\"#BitstreamVeraSans-Roman-30\"/\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003c/g\u003e\n\r \u003cdefs\u003e\n\r \u003cclipPath id\u003d\"p8d9001317b\"\u003e\n\r \u003crect height\u003d\"345.6\" width\u003d\"446.4\" x\u003d\"72.0\" y\u003d\"43.2\"/\u003e\n\r \u003c/clipPath\u003e\n\r \u003c/defs\u003e\n\r\u003c/svg\u003e\n\r\u003cdiv\u003e"
},
"dateCreated": "Jun 16, 2016 11:49:47 PM",
- "dateStarted": "Jun 17, 2016 2:30:03 PM",
- "dateFinished": "Jun 17, 2016 2:30:03 PM",
+ "dateStarted": "Jun 22, 2016 5:31:36 PM",
+ "dateFinished": "Jun 22, 2016 5:31:36 PM",
"status": "FINISHED",
"progressUpdateIntervalMs": 500
},
{
- "text": "%python\n\n#something",
- "dateUpdated": "Jun 17, 2016 2:26:41 PM",
+ "text": "%python\n\n# something else",
+ "dateUpdated": "Jun 22, 2016 5:50:47 PM",
"config": {
"colWidth": 12.0,
"graph": {
"mode": "table",
- "height": 300.0,
+ "height": 394.0,
"optionOpen": false,
"keys": [],
"values": [],
@@ -169,15 +171,15 @@
"msg": ""
},
"dateCreated": "Jun 17, 2016 2:04:39 PM",
- "dateStarted": "Jun 17, 2016 2:26:28 PM",
- "dateFinished": "Jun 17, 2016 2:26:28 PM",
+ "dateStarted": "Jun 22, 2016 5:50:47 PM",
+ "dateFinished": "Jun 22, 2016 5:50:47 PM",
"status": "FINISHED",
"progressUpdateIntervalMs": 500
},
{
"title": "Further help using build-in command",
"text": "help()",
- "dateUpdated": "Jun 17, 2016 1:58:05 PM",
+ "dateUpdated": "Jun 22, 2016 5:31:35 PM",
"config": {
"colWidth": 12.0,
"graph": {
@@ -203,17 +205,17 @@
"result": {
"code": "SUCCESS",
"type": "HTML",
- "msg": "\r\u003ch2\u003ePython Interpreter help\u003c/h2\u003e\n\r\u003ch3\u003ePython 2 \u0026 3 comptability\u003c/h3\u003e\n\r\u003cp\u003eThe interpreter is compatible with Python 2 \u0026 3.\u003cbr/\u003e\n\rTo change Python version, \n\rchange in the interpreter configuration the python to the \n\rdesired version (example : python\u003d/usr/bin/python3)\u003c/p\u003e\n\r\u003ch3\u003ePython modules\u003c/h3\u003e\n\r\u003cp\u003eThe interpreter can use all modules already installed \n\r(with pip, easy_install, etc)\u003c/p\u003e\n\r\u003ch3\u003eForms\u003c/h3\u003e\n\rYou must install py4j in order to use the form feature (pip install py4j)\n\r\u003ch4\u003eInput form\u003c/h4\u003e\n\r\u003cpre\u003eprint (z.input(\"f1\",\"defaultValue\"))\u003c/pre\u003e\n\r\u003ch4\u003eSelection form\u003c/h4\u003e\n\r\u003cpre\u003eprint(z.select(\"f2\", [(\"o1\",\"1\"), (\"o2\",\"2\")],2))\u003c/pre\u003e\n\r\u003ch4\u003eCheckbox form\u003c/h4\u003e\n\r\u003cpre\u003e print(\"
\".join(z.checkbox(\"f3\", [(\"o1\",\"1\"), (\"o2\",\"2\")],[\"1\"])))\u003c/pre\u003e\n\r\u003ch3\u003eMatplotlib graph\u003c/h3\u003e\n\r\u003cdiv\u003eThe interpreter can display matplotlib graph with \n\rthe function zeppelin_show()\u003c/div\u003e\n\r\u003cdiv\u003e You need to already have matplotlib module installed \n\rto use this functionality !\u003c/div\u003e\u003cbr/\u003e\n\r\u003cpre\u003eimport matplotlib.pyplot as plt\n\rplt.figure()\n\r(.. ..)\n\rzeppelin_show(plt)\n\rplt.close()\n\r\u003c/pre\u003e\n\r\u003cdiv\u003e\u003cbr/\u003e zeppelin_show function can take optional parameters \n\rto adapt graph width and height\u003c/div\u003e\n\r\u003cdiv\u003e\u003cb\u003eexample \u003c/b\u003e:\n\r\u003cpre\u003ezeppelin_show(plt,width\u003d\u002750px\u0027)\n\rzeppelin_show(plt,height\u003d\u0027150px\u0027) \u003c/pre\u003e\u003c/div\u003e"
+ "msg": "\r\u003ch2\u003ePython Interpreter help\u003c/h2\u003e\n\r\u003ch3\u003ePython 2 \u0026 3 comptability\u003c/h3\u003e\n\r\u003cp\u003eThe interpreter is compatible with Python 2 \u0026 3.\u003cbr/\u003e\n\rTo change Python version, \n\rchange in the interpreter configuration the python to the \n\rdesired version (example : python\u003d/usr/bin/python3)\u003c/p\u003e\n\r\u003ch3\u003ePython modules\u003c/h3\u003e\n\r\u003cp\u003eThe interpreter can use all modules already installed \n\r(with pip, easy_install, etc)\u003c/p\u003e\n\r\u003ch3\u003eForms\u003c/h3\u003e\n\rYou must install py4j in order to use the form feature (pip install py4j)\n\r\u003ch4\u003eInput form\u003c/h4\u003e\n\r\u003cpre\u003eprint (z.input(\"f1\",\"defaultValue\"))\u003c/pre\u003e\n\r\u003ch4\u003eSelection form\u003c/h4\u003e\n\r\u003cpre\u003eprint(z.select(\"f2\", [(\"o1\",\"1\"), (\"o2\",\"2\")],2))\u003c/pre\u003e\n\r\u003ch4\u003eCheckbox form\u003c/h4\u003e\n\r\u003cpre\u003e print(\"
\".join(z.checkbox(\"f3\", [(\"o1\",\"1\"), (\"o2\",\"2\")],[\"1\"])))\u003c/pre\u003e\n\r\u003ch3\u003eMatplotlib graph\u003c/h3\u003e\n\r\u003cdiv\u003eThe interpreter can display matplotlib graph with \n\rthe function z.show()\u003c/div\u003e\n\r\u003cdiv\u003e You need to already have matplotlib module installed \n\rto use this functionality !\u003c/div\u003e\u003cbr/\u003e\n\r\u003cpre\u003eimport matplotlib.pyplot as plt\n\rplt.figure()\n\r(.. ..)\n\rz.show(plt)\n\rplt.close()\n\r\u003c/pre\u003e\n\r\u003cdiv\u003e\u003cbr/\u003e z.show function can take optional parameters \n\rto adapt graph width and height\u003c/div\u003e\n\r\u003cdiv\u003e\u003cb\u003eexample \u003c/b\u003e:\n\r\u003cpre\u003ez.show(plt,width\u003d\u002750px\u0027)\n\rz.show(plt,height\u003d\u0027150px\u0027) \u003c/pre\u003e\u003c/div\u003e"
},
"dateCreated": "Jun 14, 2016 5:45:31 PM",
- "dateStarted": "Jun 17, 2016 1:58:07 PM",
- "dateFinished": "Jun 17, 2016 1:58:07 PM",
+ "dateStarted": "Jun 22, 2016 5:31:36 PM",
+ "dateFinished": "Jun 22, 2016 5:31:36 PM",
"status": "FINISHED",
"progressUpdateIntervalMs": 500
},
{
"text": "",
- "dateUpdated": "Jun 17, 2016 1:58:05 PM",
+ "dateUpdated": "Jun 22, 2016 5:31:35 PM",
"config": {
"colWidth": 12.0,
"graph": {
@@ -240,20 +242,20 @@
"msg": ""
},
"dateCreated": "Jun 16, 2016 11:03:38 AM",
- "dateStarted": "Jun 17, 2016 1:58:07 PM",
- "dateFinished": "Jun 17, 2016 1:58:07 PM",
+ "dateStarted": "Jun 22, 2016 5:31:36 PM",
+ "dateFinished": "Jun 22, 2016 5:31:36 PM",
"status": "FINISHED",
"progressUpdateIntervalMs": 500
}
],
"name": "Zeppelin Tutorial: Python - matplotlib basic",
"id": "2BQA35CJZ",
+ "lastReplName": {
+ "value": "python"
+ },
"angularObjects": {
- "2BF85N7NW:shared_process": [],
- "2BGHU9722:shared_process": [],
- "2BKHK8EY7:shared_process": [],
- "2BF5T5XA9:shared_process": [],
- "2BF44TSFC:shared_process": []
+ "2BMX349MY:shared_process": [],
+ "2BN9WB6KT:shared_process": []
},
"config": {
"looknfeel": "default"
http://git-wip-us.apache.org/repos/asf/zeppelin/blob/230d8901/python/src/main/java/org/apache/zeppelin/python/PythonInterpreter.java
----------------------------------------------------------------------
diff --git a/python/src/main/java/org/apache/zeppelin/python/PythonInterpreter.java b/python/src/main/java/org/apache/zeppelin/python/PythonInterpreter.java
index 9dd4ed7..08bb944 100644
--- a/python/src/main/java/org/apache/zeppelin/python/PythonInterpreter.java
+++ b/python/src/main/java/org/apache/zeppelin/python/PythonInterpreter.java
@@ -123,7 +123,9 @@ public class PythonInterpreter extends Interpreter {
@Override
public InterpreterResult interpret(String cmd, InterpreterContext contextInterpreter) {
this.context = contextInterpreter;
-
+ if (cmd == null || cmd.isEmpty()) {
+ return new InterpreterResult(Code.SUCCESS, "");
+ }
String output = sendCommandToPython(cmd);
return new InterpreterResult(Code.SUCCESS, output.replaceAll(">>>", "")
.replaceAll("\\.\\.\\.", "").trim());
@@ -182,12 +184,13 @@ public class PythonInterpreter extends Interpreter {
private String sendCommandToPython(String cmd) {
String output = "";
- logger.info("Sending : \n" + (cmd.length() > 200 ? cmd.substring(0, 120) + "..." : cmd));
+ logger.info("Sending : \n" + (cmd.length() > 200 ? cmd.substring(0, 200) + "..." : cmd));
try {
output = process.sendAndGetResult(cmd);
} catch (IOException e) {
logger.error("Error when sending commands to python process", e);
}
+ //logger.info("Got : \n" + output);
return output;
}
http://git-wip-us.apache.org/repos/asf/zeppelin/blob/230d8901/python/src/main/resources/__init__.py
----------------------------------------------------------------------
diff --git a/python/src/main/resources/__init__.py b/python/src/main/resources/__init__.py
new file mode 100644
index 0000000..e69de29
http://git-wip-us.apache.org/repos/asf/zeppelin/blob/230d8901/python/src/main/resources/bootstrap.py
----------------------------------------------------------------------
diff --git a/python/src/main/resources/bootstrap.py b/python/src/main/resources/bootstrap.py
index 04a5f53..73658b3 100644
--- a/python/src/main/resources/bootstrap.py
+++ b/python/src/main/resources/bootstrap.py
@@ -33,6 +33,7 @@ def intHandler(signum, frame): # Set the signal handler
signal.signal(signal.SIGINT, intHandler)
+
def help():
print ('%html')
print ('<h2>Python Interpreter help</h2>')
@@ -56,47 +57,101 @@ def help():
'("o2","2")],["1"])))</pre>')
print ('<h3>Matplotlib graph</h3>')
print ('<div>The interpreter can display matplotlib graph with ')
- print ('the function zeppelin_show()</div>')
+ print ('the function z.show()</div>')
print ('<div> You need to already have matplotlib module installed ')
print ('to use this functionality !</div><br/>')
print ('''<pre>import matplotlib.pyplot as plt
plt.figure()
(.. ..)
-zeppelin_show(plt)
+z.show(plt)
plt.close()
</pre>''')
- print ('<div><br/> zeppelin_show function can take optional parameters ')
+ print ('<div><br/> z.show function can take optional parameters ')
print ('to adapt graph width and height</div>')
print ("<div><b>example </b>:")
- print('''<pre>zeppelin_show(plt,width='50px')
-zeppelin_show(plt,height='150px') </pre></div>''')
-
-# Matplotlib show function
-def zeppelin_show(p, width="0", height="0"):
- img = io.StringIO()
- p.savefig(img, format='svg')
- img.seek(0)
- style = ""
- if(width != "0"):
- style += 'width:'+width
- if(height != "0"):
- if(len(style) != 0):
- style += ","
- style += 'height:'+height
- print("%html <div style='" + style + "'>" + img.read() + "<div>")
+ print ('''<pre>z.show(plt,width='50px')
+z.show(plt,height='150px') </pre></div>''')
+ print ('<h3>Pandas DataFrame</h3>')
+ print """
+<div>The interpreter can visualize Pandas DataFrame
+with the function z.show()
+<pre>
+import pandas as pd
+df = pd.read_csv("bank.csv", sep=";")
+z.show(df)
+</pre></div>
+"""
-# If py4j is detected, these class will be override
-# with the implementation in bootstrap_input.py
-class PyZeppelinContext():
+class PyZeppelinContext(object):
+ """ If py4j is detected, these class will be override
+ with the implementation in bootstrap_input.py
+ """
errorMsg = "You must install py4j Python module " \
"(pip install py4j) to use Zeppelin dynamic forms features"
+
def __init__(self, zc):
self.z = zc
+ self.max_result = 1000
+
def input(self, name, defaultValue=""):
print (self.errorMsg)
+
def select(self, name, options, defaultValue=""):
print (self.errorMsg)
+
def checkbox(self, name, options, defaultChecked=[]):
print (self.errorMsg)
+
+ def show(self, p, **kwargs):
+ if hasattr(p, '__name__') and p.__name__ == "matplotlib.pyplot":
+ self.show_matplotlib(p, **kwargs)
+ elif type(p).__name__ == "DataFrame": # does not play well with sub-classes
+ # `isinstance(p, DataFrame)` would req `import pandas.core.frame.DataFrame`
+ # and so a dependency on pandas
+ self.show_dataframe(p, **kwargs)
+
+ def show_dataframe(self, df, **kwargs):
+ """Pretty prints DF using Table Display System
+ """
+ limit = len(df) > self.max_result
+ header_buf = io.StringIO("")
+ header_buf.write(df.columns[0])
+ for col in df.columns[1:]:
+ header_buf.write("\t")
+ header_buf.write(col)
+ header_buf.write("\n")
+
+ body_buf = io.StringIO("")
+ rows = df.head(self.max_result).values if limit else df.values
+ for row in rows:
+ body_buf.write(row[0])
+ for cell in row[1:]:
+ body_buf.write("\t")
+ body_buf.write(cell)
+ body_buf.write("\n")
+ body_buf.seek(0); header_buf.seek(0)
+ #TODO(bzz): fix it, so it shows red notice, as in Spark
+ print("%table " + header_buf.read() + body_buf.read()) # +
+ # ("\n<font color=red>Results are limited by {}.</font>" \
+ # .format(self.max_result) if limit else "")
+ #)
+ body_buf.close(); header_buf.close()
+
+ def show_matplotlib(self, p, width="0", height="0", **kwargs):
+ """Matplotlib show function
+ """
+ img = io.StringIO()
+ p.savefig(img, format='svg')
+ img.seek(0)
+ style = ""
+ if (width != "0"):
+ style += 'width:' + width
+ if (height != "0"):
+ if (len(style) != 0):
+ style += ","
+ style += 'height:' + height
+ print("%html <div style='" + style + "'>" + img.read() + "<div>")
+ img.close()
+
z = PyZeppelinContext("")
http://git-wip-us.apache.org/repos/asf/zeppelin/blob/230d8901/python/src/main/resources/bootstrap_input.py
----------------------------------------------------------------------
diff --git a/python/src/main/resources/bootstrap_input.py b/python/src/main/resources/bootstrap_input.py
index 402df7e..d15b93a 100644
--- a/python/src/main/resources/bootstrap_input.py
+++ b/python/src/main/resources/bootstrap_input.py
@@ -16,20 +16,24 @@
from py4j.java_gateway import JavaGateway
from py4j.java_gateway import java_import, JavaGateway, GatewayClient
+
client = GatewayClient(port=%PORT%)
gateway = JavaGateway(client)
java_import(gateway.jvm, "org.apache.zeppelin.display.Input")
-class PyZeppelinContext():
- paramOption = gateway.jvm.org.apache.zeppelin.display.Input.ParamOption
- javaList = gateway.jvm.java.util.ArrayList
+class Py4jZeppelinContext(PyZeppelinContext):
+ """A context impl that uses Py4j to communicate to JVM
+ """
def __init__(self, zc):
- self.z = zc
-
+ super(Py4jZeppelinContext, self).__init__(zc)
+ self.paramOption = gateway.jvm.org.apache.zeppelin.display.Input.ParamOption
+ self.javaList = gateway.jvm.java.util.ArrayList
+ self.max_result = 1000 #TODO(bzz): read `zeppelin.python.maxResult` from JVM
+
def input(self, name, defaultValue=""):
return self.z.getGui().input(name, defaultValue)
-
+
def select(self, name, options, defaultValue=""):
javaOptions = gateway.new_array(self.paramOption, len(options))
i = 0
@@ -37,7 +41,7 @@ class PyZeppelinContext():
javaOptions[i] = self.paramOption(tuple[0], tuple[1])
i += 1
return self.z.getGui().select(name, defaultValue, javaOptions)
-
+
def checkbox(self, name, options, defaultChecked=[]):
javaOptions = gateway.new_array(self.paramOption, len(options))
i = 0
@@ -49,4 +53,5 @@ class PyZeppelinContext():
javaDefaultCheck.append(check)
return self.z.getGui().checkbox(name, javaDefaultCheck, javaOptions)
-z = PyZeppelinContext(gateway.entry_point)
+
+z = Py4jZeppelinContext(gateway.entry_point)