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pyexcel/pyexcel-htmlr: Read tables in html page as excel data

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Fonts, colors and charts are not supported.

You can install pyexcel-htmlr via pip:

$ pip install pyexcel-htmlr

or clone it and install it:

$ git clone https://github.com/pyexcel/pyexcel-htmlr.git
$ cd pyexcel-htmlr
$ python setup.py install

.. testcode::
   :hide:

    >>> import os
    >>> import sys
    >>> if sys.version_info[0] < 3:
    ...     from StringIO import StringIO
    ... else:
    ...     from io import BytesIO as StringIO
    >>> PY2 = sys.version_info[0] == 2
    >>> if PY2 and sys.version_info[1] < 7:
    ...      from ordereddict import OrderedDict
    ... else:
    ...     from collections import OrderedDict
    >>> import pyexcel as pe
    >>> book_data = {"Sheet 1": [[1, 2, 3], [4, 5, 6]], "Sheet 2": [["row 1", "row 2", "row 3"]]}
    >>> pe.save_book_as(bookdict=book_data, dest_file_name="your_file.html")

Here's the sample code:

>>> from pyexcel_htmlr import get_data
>>> data = get_data("your_file.html")
>>> import json
>>> print(json.dumps(data))
{"Table 1": [[1, 2, 3], [4, 5, 6]], "Table 2": [["row 1", "row 2", "row 3"]]}

Continue from previous example:

>>> # This is just an illustration
>>> # In reality, you might deal with html file upload
>>> # where you will read from requests.FILES['YOUR_HTML_FILE']
>>> with open('your_file.html', 'r') as html_file:
...    io = StringIO(html_file.read().encode())
...    data = get_data(io)
>>> print(json.dumps(data))
{"Table 1": [[1, 2, 3], [4, 5, 6]], "Table 2": [["row 1", "row 2", "row 3"]]}

Let's assume the following file is a huge html file:

>>> huge_data = [
...     [1, 21, 31],
...     [2, 22, 32],
...     [3, 23, 33],
...     [4, 24, 34],
...     [5, 25, 35],
...     [6, 26, 36]
... ]
>>> sheetx = {
...     "Table 1": huge_data
... }
>>> pe.save_book_as(dest_file_name="huge_file.html", bookdict=sheetx)

And let's pretend to read partial data:

>>> partial_data = get_data("huge_file.html", start_row=2, row_limit=3)
>>> print(json.dumps(partial_data))
{"Table 1": [[3, 23, 33], [4, 24, 34], [5, 25, 35]]}

And you could as well do the same for columns:

>>> partial_data = get_data("huge_file.html", start_column=1, column_limit=2)
>>> print(json.dumps(partial_data))
{"Table 1": [[21, 31], [22, 32], [23, 33], [24, 34], [25, 35], [26, 36]]}

Obvious, you could do both at the same time:

>>> partial_data = get_data("huge_file.html",
...     start_row=2, row_limit=3,
...     start_column=1, column_limit=2)
>>> print(json.dumps(partial_data))
{"Table 1": [[23, 33], [24, 34], [25, 35]]}

.. testcode::
   :hide:

   >>> os.unlink("huge_file.html")

No longer, explicit import is needed since pyexcel version 0.2.2. Instead, this library is auto-loaded. So if you want to read data in html format, installing it is enough.

Here is the sample code:

>>> import pyexcel as pe
>>> sheet = pe.get_book(file_name="your_file.html")
>>> sheet
Table 1:
+---+---+---+
| 1 | 2 | 3 |
+---+---+---+
| 4 | 5 | 6 |
+---+---+---+
Table 2:
+-------+-------+-------+
| row 1 | row 2 | row 3 |
+-------+-------+-------+

You got to wrap the binary content with stream to get html working:

>>> # This is just an illustration
>>> # In reality, you might deal with html file upload
>>> # where you will read from requests.FILES['YOUR_HTML_FILE']
>>> htmlfile = "your_file.html"
>>> with open(htmlfile, "rb") as f:
...     content = f.read()
...     r = pe.get_book(file_type="html", file_content=content)
...     print(r)
...
Table 1:
+---+---+---+
| 1 | 2 | 3 |
+---+---+---+
| 4 | 5 | 6 |
+---+---+---+
Table 2:
+-------+-------+-------+
| row 1 | row 2 | row 3 |
+-------+-------+-------+

New BSD License

Development steps for code changes

1. git clone https://github.com/pyexcel/pyexcel-htmlr.git
2. cd pyexcel-htmlr

Upgrade your setup tools and pip. They are needed for development and testing only:

1. pip install --upgrade setuptools pip

Then install relevant development requirements:

1. pip install -r rnd_requirements.txt # if such a file exists
2. pip install -r requirements.txt
3. pip install -r tests/requirements.txt

Once you have finished your changes, please provide test case(s), relevant documentation and update CHANGELOG.rst.

Note

As to rnd_requirements.txt, usually, it is created when a dependent library is not released. Once the dependecy is installed (will be released), the future version of the dependency in the requirements.txt will be valid.

Although nose and doctest are both used in code testing, it is adviable that unit tests are put in tests. doctest is incorporated only to make sure the code examples in documentation remain valid across different development releases.

On Linux/Unix systems, please launch your tests like this:

$ make

On Windows systems, please issue this command:

> test.bat

Please run:

$ make format

so as to beautify your code otherwise travis-ci may fail your unit test.

Additional steps are required:

1. pip install moban
2. make your changes in .moban.d directory, then issue command moban
3. moban

otherwise travis-ci may also fail your unit test.

.moban.d stores the specific meta data for the library.

.. testcode::
   :hide:

   >>> import os
   >>> os.unlink("your_file.html")

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