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@@ -19,6 +19,8 b' Authors:' | |||
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19 | 19 | |
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20 | 20 | import os |
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21 | 21 | import sys |
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22 | from urllib import urlretrieve | |
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23 | from urlparse import urlparse | |
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22 | 24 | |
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23 | 25 | from IPython.config.configurable import Configurable |
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24 | 26 | from IPython.utils.traitlets import Instance |
@@ -123,3 +125,22 b' class ExtensionManager(Configurable):' | |||
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123 | 125 | def _call_unload_ipython_extension(self, mod): |
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124 | 126 | if hasattr(mod, 'unload_ipython_extension'): |
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125 | 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): | |
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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. | |
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135 | """ | |
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136 | # Ensure the extension directory exists | |
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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 | ||
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140 | if filename is None: | |
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141 | filename = urlparse(url).path.split('/')[-1] | |
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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) | |
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146 | return urlretrieve(url, filename) |
@@ -3457,6 +3457,31 b' Defaulting color scheme to \'NoColor\'"""' | |||
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3457 | 3457 | # print simple error message, rather than traceback if we can't |
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3458 | 3458 | # hook up the GUI |
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3459 | 3459 | error(str(e)) |
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3460 | ||
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3461 | def magic_install_ext(self, parameter_s): | |
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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 | ||
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3469 | Parameters: | |
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3470 | ||
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3471 | -n filename : Specify a name for the file, rather than taking it from | |
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3472 | the URL. | |
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3473 | """ | |
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3474 | opts, args = self.parse_options(parameter_s, 'n:') | |
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3475 | try: | |
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3476 | filename, headers = self.extension_manager.install_extension(args, opts.get('n')) | |
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3477 | except ValueError as e: | |
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3478 | print e | |
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3479 | return | |
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3480 | ||
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3481 | filename = os.path.basename(filename) | |
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3482 | print "Installed %s. To use it, type:" % filename | |
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3483 | print " %%load_ext %s" % os.path.splitext(filename)[0] | |
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3484 | ||
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3460 | 3485 | |
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3461 | 3486 | def magic_load_ext(self, module_str): |
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3462 | 3487 | """Load an IPython extension by its module name.""" |
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