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idf.py: Fix Windows issue if project and IDF are on different drives

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Closes https://github.com/espressif/esp-idf/issues/2753
This commit is contained in:
Angus Gratton 2019-03-01 16:12:03 +11:00 committed by bot
parent de7daa14a9
commit 4a575d5449
1 changed files with 13 additions and 2 deletions
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15
tools/idf.py
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@ -353,6 +353,17 @@ def fullclean(action, args):
os.remove(f)
def _safe_relpath(path, start=None):
""" Return a relative path, same as os.path.relpath, but only if this is possible.
It is not possible on Windows, if the start directory and the path are on different drives.
"""
try:
return os.path.relpath(path, os.curdir if start is None else start)
except ValueError:
return os.path.abspath(path)
def print_closing_message(args):
# print a closing message of some kind
#
@ -369,7 +380,7 @@ def print_closing_message(args):
flasher_args = json.load(f)
def flasher_path(f):
return os.path.relpath(os.path.join(args.build_dir, f))
return _safe_relpath(os.path.join(args.build_dir, f))
if key != "project": # flashing a single item
cmd = ""
@ -386,7 +397,7 @@ def print_closing_message(args):
cmd += o + " " + flasher_path(f) + " "
print("%s -p %s -b %s --after %s write_flash %s" % (
os.path.relpath("%s/components/esptool_py/esptool/esptool.py" % os.environ["IDF_PATH"]),
_safe_relpath("%s/components/esptool_py/esptool/esptool.py" % os.environ["IDF_PATH"]),
args.port or "(PORT)",
args.baud,
flasher_args["extra_esptool_args"]["after"],