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@@ -19,6 +19,8 b' Authors:' | |||||
19 |
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19 | |||
20 | import os |
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20 | import os | |
21 | import sys |
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21 | import sys | |
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22 | from urllib import urlretrieve | |||
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23 | from urlparse import urlparse | |||
22 |
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24 | |||
23 | from IPython.config.configurable import Configurable |
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25 | from IPython.config.configurable import Configurable | |
24 | from IPython.utils.traitlets import Instance |
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26 | from IPython.utils.traitlets import Instance | |
@@ -123,3 +125,22 b' class ExtensionManager(Configurable):' | |||||
123 | def _call_unload_ipython_extension(self, mod): |
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125 | def _call_unload_ipython_extension(self, mod): | |
124 | if hasattr(mod, 'unload_ipython_extension'): |
|
126 | if hasattr(mod, 'unload_ipython_extension'): | |
125 | return mod.unload_ipython_extension(self.shell) |
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127 | return mod.unload_ipython_extension(self.shell) | |
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128 | ||||
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129 | def install_extension(self, url, filename=None): | |||
|
130 | """Download and install an IPython extension. | |||
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131 | ||||
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132 | If filename is given, the file will be so named (inside the extension | |||
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133 | directory). Otherwise, the name from the URL will be used. The file must | |||
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134 | have a .py or .zip extension; otherwise, a ValueError will be raised. | |||
|
135 | """ | |||
|
136 | # Ensure the extension directory exists | |||
|
137 | if not os.path.isdir(self.ipython_extension_dir): | |||
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138 | os.makedirs(self.ipython_extension_dir, mode = 0777) | |||
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139 | ||||
|
140 | if filename is None: | |||
|
141 | filename = urlparse(url).path.split('/')[-1] | |||
|
142 | if os.path.splitext(filename)[1] not in ('.py', '.zip'): | |||
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143 | raise ValueError("The file must have a .py or .zip extension", filename) | |||
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144 | ||||
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145 | filename = os.path.join(self.ipython_extension_dir, filename) | |||
|
146 | return urlretrieve(url, filename) |
@@ -3457,6 +3457,31 b' Defaulting color scheme to \'NoColor\'"""' | |||||
3457 | # print simple error message, rather than traceback if we can't |
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3457 | # print simple error message, rather than traceback if we can't | |
3458 | # hook up the GUI |
|
3458 | # hook up the GUI | |
3459 | error(str(e)) |
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3459 | error(str(e)) | |
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3460 | ||||
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3461 | def magic_install_ext(self, parameter_s): | |||
|
3462 | """Download and install an extension from a URL, e.g.:: | |||
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3463 | ||||
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3464 | %install_ext https://bitbucket.org/birkenfeld/ipython-physics/raw/d1310a2ab15d/physics.py | |||
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3465 | ||||
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3466 | The URL should point to an importable Python module - either a .py file | |||
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3467 | or a .zip file. | |||
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3468 | ||||
|
3469 | Parameters: | |||
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3470 | ||||
|
3471 | -n filename : Specify a name for the file, rather than taking it from | |||
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3472 | the URL. | |||
|
3473 | """ | |||
|
3474 | opts, args = self.parse_options(parameter_s, 'n:') | |||
|
3475 | try: | |||
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3476 | filename, headers = self.extension_manager.install_extension(args, opts.get('n')) | |||
|
3477 | except ValueError as e: | |||
|
3478 | print e | |||
|
3479 | return | |||
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3480 | ||||
|
3481 | filename = os.path.basename(filename) | |||
|
3482 | print "Installed %s. To use it, type:" % filename | |||
|
3483 | print " %%load_ext %s" % os.path.splitext(filename)[0] | |||
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3484 | ||||
3460 |
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3485 | |||
3461 | def magic_load_ext(self, module_str): |
|
3486 | def magic_load_ext(self, module_str): | |
3462 | """Load an IPython extension by its module name.""" |
|
3487 | """Load an IPython extension by its module name.""" |
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