次のコードを実行しようとしていますが、無駄です。私の知る限り、構文エラーはありません。Python pandasに関する問題:read_htmlとpython3-lxmlのインストール
import quandl
import pandas as pd
fifty_states =pd.read_html('https://simple.wikipedia.org/wiki/List_of_U.S._states')
print(fifty_states)
私はこのコードを実行したときに、私は次のエラーを取得しています:
Traceback (most recent call last):
File "C:/Users/Dave/Documents/Python Files/helloworld.py", line 15, in fiddy_states = pd.read_html(' http://simple.wikipedia.org/wiki/List_of_U.S._states ')
File "C:\Python35\lib\site-packages\pandas\io\html.py", line 874, in read_html parse_dates, tupleize_cols, thousands, attrs, encoding)
File "C:\Python35\lib\site-packages\pandas\io\html.py", line 726, in _parse parser = _parser_dispatch(flav)
File "C:\Python35\lib\site-packages\pandas\io\html.py", line 685, in _parser_dispatch raise ImportError("lxml not found, please install it")
ImportError: lxml not found, please install it
ない私はこのコードを実行するために必要なすべてのパッケージを持っている(はずです)として、なぜこれが、発生している、あまりにも確認を。パッケージがインストールされないので、lxmlとpython3-lxmlのインストールに問題があります。バックアップとして、私は次のようにインストールした:私が読んだ「html5lib」に加えて
python-dev libxml2-dev libxslt1-dev zlib1g-dev
はlxmlのための適切な代替品です。
同様の修正(つまりlxmlのインストール)の検索は私には当てはまりません(コマンドラインでpipを使用してlxmlを任意の形式でインストールすることはできません)。
ご迷惑をおかけして申し訳ありません。
編集:lxml
は私のコンピュータにインストールされていないようです。 pip install lxml
でインストールできないので変です。私が理解から
Collecting lxml
Using cached lxml-3.6.4.tar.gz
Building wheels for collected packages: lxml
Running setup.py bdist_wheel for lxml ... error
Complete output from command c:\python35\python.exe -u -c "import setuptools,
tokenize;__file__='C:\\Users\\Dwang\\AppData\\Local\\Temp\\pip-build-738bf61u\\l
xml\\setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().rep
lace('\r\n', '\n'), __file__, 'exec'))" bdist_wheel -d C:\Users\Dwang\AppData\Lo
cal\Temp\tmpm9z4yol6pip-wheel- --python-tag cp35:
Building lxml version 3.6.4.
Building without Cython.
ERROR: b"'xslt-config' is not recognized as an internal or external command,\r
\noperable program or batch file.\r\n"
** make sure the development packages of libxml2 and libxslt are installed **
Using build configuration of libxslt
running bdist_wheel
running build
running build_py
creating build
creating build\lib.win-amd64-3.5
creating build\lib.win-amd64-3.5\lxml
copying src\lxml\builder.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\cssselect.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\doctestcompare.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\ElementInclude.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\pyclasslookup.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\sax.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\usedoctest.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\_elementpath.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\__init__.py -> build\lib.win-amd64-3.5\lxml
creating build\lib.win-amd64-3.5\lxml\includes
copying src\lxml\includes\__init__.py -> build\lib.win-amd64-3.5\lxml\includes
creating build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\builder.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\clean.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\defs.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\diff.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\ElementSoup.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\formfill.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\html5parser.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\soupparser.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\usedoctest.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\_diffcommand.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\_html5builder.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\_setmixin.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\__init__.py -> build\lib.win-amd64-3.5\lxml\html
creating build\lib.win-amd64-3.5\lxml\isoschematron
copying src\lxml\isoschematron\__init__.py -> build\lib.win-amd64-3.5\lxml\iso
schematron
copying src\lxml\lxml.etree.h -> build\lib.win-amd64-3.5\lxml
copying src\lxml\lxml.etree_api.h -> build\lib.win-amd64-3.5\lxml
copying src\lxml\includes\c14n.pxd -> build\lib.win-amd64-3.5\lxml\includes
copying src\lxml\includes\config.pxd -> build\lib.win-amd64-3.5\lxml\includes
copying src\lxml\includes\dtdvalid.pxd -> build\lib.win-amd64-3.5\lxml\include
s
copying src\lxml\includes\etreepublic.pxd -> build\lib.win-amd64-3.5\lxml\incl
udes
copying src\lxml\includes\htmlparser.pxd -> build\lib.win-amd64-3.5\lxml\inclu
des
copying src\lxml\includes\relaxng.pxd -> build\lib.win-amd64-3.5\lxml\includes
copying src\lxml\includes\schematron.pxd -> build\lib.win-amd64-3.5\lxml\inclu
des
copying src\lxml\includes\tree.pxd -> build\lib.win-amd64-3.5\lxml\includes
copying src\lxml\includes\uri.pxd -> build\lib.win-amd64-3.5\lxml\includes
copying src\lxml\includes\xinclude.pxd -> build\lib.win-amd64-3.5\lxml\include
s
copying src\lxml\includes\xmlerror.pxd -> build\lib.win-amd64-3.5\lxml\include
s
copying src\lxml\includes\xmlparser.pxd -> build\lib.win-amd64-3.5\lxml\includ
es
copying src\lxml\includes\xmlschema.pxd -> build\lib.win-amd64-3.5\lxml\includ
es
copying src\lxml\includes\xpath.pxd -> build\lib.win-amd64-3.5\lxml\includes
copying src\lxml\includes\xslt.pxd -> build\lib.win-amd64-3.5\lxml\includes
copying src\lxml\includes\etree_defs.h -> build\lib.win-amd64-3.5\lxml\include
s
copying src\lxml\includes\lxml-version.h -> build\lib.win-amd64-3.5\lxml\inclu
des
creating build\lib.win-amd64-3.5\lxml\isoschematron\resources
creating build\lib.win-amd64-3.5\lxml\isoschematron\resources\rng
copying src\lxml\isoschematron\resources\rng\iso-schematron.rng -> build\lib.w
in-amd64-3.5\lxml\isoschematron\resources\rng
creating build\lib.win-amd64-3.5\lxml\isoschematron\resources\xsl
copying src\lxml\isoschematron\resources\xsl\RNG2Schtrn.xsl -> build\lib.win-a
md64-3.5\lxml\isoschematron\resources\xsl
copying src\lxml\isoschematron\resources\xsl\XSD2Schtrn.xsl -> build\lib.win-a
md64-3.5\lxml\isoschematron\resources\xsl
creating build\lib.win-amd64-3.5\lxml\isoschematron\resources\xsl\iso-schematr
on-xslt1
copying src\lxml\isoschematron\resources\xsl\iso-schematron-xslt1\iso_abstract
_expand.xsl -> build\lib.win-amd64-3.5\lxml\isoschematron\resources\xsl\iso-sche
matron-xslt1
copying src\lxml\isoschematron\resources\xsl\iso-schematron-xslt1\iso_dsdl_inc
lude.xsl -> build\lib.win-amd64-3.5\lxml\isoschematron\resources\xsl\iso-schemat
ron-xslt1
copying src\lxml\isoschematron\resources\xsl\iso-schematron-xslt1\iso_schematr
on_message.xsl -> build\lib.win-amd64-3.5\lxml\isoschematron\resources\xsl\iso-s
chematron-xslt1
copying src\lxml\isoschematron\resources\xsl\iso-schematron-xslt1\iso_schematr
on_skeleton_for_xslt1.xsl -> build\lib.win-amd64-3.5\lxml\isoschematron\resource
s\xsl\iso-schematron-xslt1
copying src\lxml\isoschematron\resources\xsl\iso-schematron-xslt1\iso_svrl_for
_xslt1.xsl -> build\lib.win-amd64-3.5\lxml\isoschematron\resources\xsl\iso-schem
atron-xslt1
copying src\lxml\isoschematron\resources\xsl\iso-schematron-xslt1\readme.txt -
> build\lib.win-amd64-3.5\lxml\isoschematron\resources\xsl\iso-schematron-xslt1
running build_ext
building 'lxml.etree' extension
error: Unable to find vcvarsall.bat
----------------------------------------
Failed building wheel for lxml
Running setup.py clean for lxml
Failed to build lxml
Installing collected packages: lxml
Running setup.py install for lxml ... error
Complete output from command c:\python35\python.exe -u -c "import setuptools
, tokenize;__file__='C:\\Users\\Dwang\\AppData\\Local\\Temp\\pip-build-738bf61u\
\lxml\\setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().r
eplace('\r\n', '\n'), __file__, 'exec'))" install --record C:\Users\Dwang\AppDat
a\Local\Temp\pip-4_tf2u3a-record\install-record.txt --single-version-externally-
managed --compile:
Building lxml version 3.6.4.
Building without Cython.
ERROR: b"'xslt-config' is not recognized as an internal or external command,
\r\noperable program or batch file.\r\n"
** make sure the development packages of libxml2 and libxslt are installed *
*
Using build configuration of libxslt
running install
running build
running build_py
creating build
creating build\lib.win-amd64-3.5
creating build\lib.win-amd64-3.5\lxml
copying src\lxml\builder.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\cssselect.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\doctestcompare.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\ElementInclude.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\pyclasslookup.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\sax.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\usedoctest.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\_elementpath.py -> build\lib.win-amd64-3.5\lxml
copying src\lxml\__init__.py -> build\lib.win-amd64-3.5\lxml
creating build\lib.win-amd64-3.5\lxml\includes
copying src\lxml\includes\__init__.py -> build\lib.win-amd64-3.5\lxml\includ
es
creating build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\builder.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\clean.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\defs.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\diff.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\ElementSoup.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\formfill.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\html5parser.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\soupparser.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\usedoctest.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\_diffcommand.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\_html5builder.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\_setmixin.py -> build\lib.win-amd64-3.5\lxml\html
copying src\lxml\html\__init__.py -> build\lib.win-amd64-3.5\lxml\html
creating build\lib.win-amd64-3.5\lxml\isoschematron
copying src\lxml\isoschematron\__init__.py -> build\lib.win-amd64-3.5\lxml\i
soschematron
copying src\lxml\lxml.etree.h -> build\lib.win-amd64-3.5\lxml
copying src\lxml\lxml.etree_api.h -> build\lib.win-amd64-3.5\lxml
copying src\lxml\includes\c14n.pxd -> build\lib.win-amd64-3.5\lxml\includes
copying src\lxml\includes\config.pxd -> build\lib.win-amd64-3.5\lxml\include
s
copying src\lxml\includes\dtdvalid.pxd -> build\lib.win-amd64-3.5\lxml\inclu
des
copying src\lxml\includes\etreepublic.pxd -> build\lib.win-amd64-3.5\lxml\in
cludes
copying src\lxml\includes\htmlparser.pxd -> build\lib.win-amd64-3.5\lxml\inc
ludes
copying src\lxml\includes\relaxng.pxd -> build\lib.win-amd64-3.5\lxml\includ
es
copying src\lxml\includes\schematron.pxd -> build\lib.win-amd64-3.5\lxml\inc
ludes
copying src\lxml\includes\tree.pxd -> build\lib.win-amd64-3.5\lxml\includes
copying src\lxml\includes\uri.pxd -> build\lib.win-amd64-3.5\lxml\includes
copying src\lxml\includes\xinclude.pxd -> build\lib.win-amd64-3.5\lxml\inclu
des
copying src\lxml\includes\xmlerror.pxd -> build\lib.win-amd64-3.5\lxml\inclu
des
copying src\lxml\includes\xmlparser.pxd -> build\lib.win-amd64-3.5\lxml\incl
udes
copying src\lxml\includes\xmlschema.pxd -> build\lib.win-amd64-3.5\lxml\incl
udes
copying src\lxml\includes\xpath.pxd -> build\lib.win-amd64-3.5\lxml\includes
copying src\lxml\includes\xslt.pxd -> build\lib.win-amd64-3.5\lxml\includes
copying src\lxml\includes\etree_defs.h -> build\lib.win-amd64-3.5\lxml\inclu
des
copying src\lxml\includes\lxml-version.h -> build\lib.win-amd64-3.5\lxml\inc
ludes
creating build\lib.win-amd64-3.5\lxml\isoschematron\resources
creating build\lib.win-amd64-3.5\lxml\isoschematron\resources\rng
copying src\lxml\isoschematron\resources\rng\iso-schematron.rng -> build\lib
.win-amd64-3.5\lxml\isoschematron\resources\rng
creating build\lib.win-amd64-3.5\lxml\isoschematron\resources\xsl
copying src\lxml\isoschematron\resources\xsl\RNG2Schtrn.xsl -> build\lib.win
-amd64-3.5\lxml\isoschematron\resources\xsl
copying src\lxml\isoschematron\resources\xsl\XSD2Schtrn.xsl -> build\lib.win
-amd64-3.5\lxml\isoschematron\resources\xsl
creating build\lib.win-amd64-3.5\lxml\isoschematron\resources\xsl\iso-schema
tron-xslt1
copying src\lxml\isoschematron\resources\xsl\iso-schematron-xslt1\iso_abstra
ct_expand.xsl -> build\lib.win-amd64-3.5\lxml\isoschematron\resources\xsl\iso-sc
hematron-xslt1
copying src\lxml\isoschematron\resources\xsl\iso-schematron-xslt1\iso_dsdl_i
nclude.xsl -> build\lib.win-amd64-3.5\lxml\isoschematron\resources\xsl\iso-schem
atron-xslt1
copying src\lxml\isoschematron\resources\xsl\iso-schematron-xslt1\iso_schema
tron_message.xsl -> build\lib.win-amd64-3.5\lxml\isoschematron\resources\xsl\iso
-schematron-xslt1
copying src\lxml\isoschematron\resources\xsl\iso-schematron-xslt1\iso_schema
tron_skeleton_for_xslt1.xsl -> build\lib.win-amd64-3.5\lxml\isoschematron\resour
ces\xsl\iso-schematron-xslt1
copying src\lxml\isoschematron\resources\xsl\iso-schematron-xslt1\iso_svrl_f
or_xslt1.xsl -> build\lib.win-amd64-3.5\lxml\isoschematron\resources\xsl\iso-sch
ematron-xslt1
copying src\lxml\isoschematron\resources\xsl\iso-schematron-xslt1\readme.txt
-> build\lib.win-amd64-3.5\lxml\isoschematron\resources\xsl\iso-schematron-xslt
1
running build_ext
building 'lxml.etree' extension
error: Unable to find vcvarsall.bat
----------------------------------------
Command "c:\python35\python.exe -u -c "import setuptools, tokenize;__file__='C:\
\Users\\Dwang\\AppData\\Local\\Temp\\pip-build-738bf61u\\lxml\\setup.py';exec(co
mpile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __
file__, 'exec'))" install --record C:\Users\Dwang\AppData\Local\Temp\pip-4_tf2u3
a-record\install-record.txt --single-version-externally-managed --compile" faile
d with error code 1 in C:\Users\Dwang\AppData\Local\Temp\pip-build-738bf61u\lxml
\
:
は明示的状態
flavor
にお試しください!それは働いた:)私は 'read_html()'を持っているすべてのインスタンスをここから行う必要がありますか?また、私の 'lxml'がなぜ失敗しているのか考えていますか? – wowdavers@ D.Wang仮想環境で問題を再現しました。lxmlをアンインストールしてコードをそのまま実行しました。 'lxmlが見つかりません、インストールしてください。次に、起動した仮想環境にある間に 'pip install lxml'を介して' lxml 'を再度インストールし、コードを再実行しました。スクリプトを実行しているのと同じ環境に実際に 'lxml'がインストールされていることを確認してください。 – alecxe
' lxml'が別のパッケージのインストールにあらかじめインストールされているという印象を受けました。明らかにそうではありません...私のコンピュータには 'lxml'が全くインストールされていないようです。しかし、私はそれをインストールしようとすると、私はそれが構築することはできないと言って、エラーコードを取得します。元の投稿をエラーログとともに編集しました。 – wowdavers